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City of Glendale — Regular Meeting (2025-10-23)

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CITIZEN PARTICIPATION FINAL REPORT  
 
MIDDLE HOUSING UNIFIED DEVELOPMENT CODE TEXT AMENDMENT   
CITYWIDE  
ZTA25-03 
03 OCTOBER 2025  
 
 
 
 
 
 
 
 
 
 ZTA25-03
3 Oct 2025
APPROVED
City of Glendale
Planning Division

ZTA25-03 – Middle Housing Unified Development Code Text Amendment  
  
Brief Description 
 
The purpose of the proposed Zoning Text Amendment, ZTA25-03, is to amend the Unified 
Development Code (UDC) by adding Section 35.2.1011 “Central Business District,” to address 
Middle Housing on lots zoned for single-family residential use within one (1) mile of the Central 
Business District, and at least twenty percent of any new development of more than ten (10) 
contiguous acres. The draft Text Amendment will align with Arizona Revised Statues (ARS), 
Section 9-462.13 enacted through house Bill 2721. In addition to establishing Middle Housing, 
additional amendments will be included to Sections 35.8.003 “Use Standard Definitions” and 
35.8.004 “Specific Definitions”, and the Use Standard tables for all zoning districts, including 
Table 2.100-1, Table 2.200-1, Table 2.300-1, Table 2.400-1, Table 2.500-1, Table 2.600-1, and 
Table 2.700-1.  
 
Arizona Revised Statues (ARS), Section 9-462.13 states, in its entirety:  
 
A. On or before January 1, 2026, a municipality with a population of seventy-five thousand 
persons or more must authorize by ordinance and incorporate into its development 
regulations, zoning regulations and other official controls the development of duplexes, 
triplexes, fourplexes and townhomes as a permitted use on both of the following: 
 
1. All lots zoned for single-family residential use within one mile of the 
municipality's central business district. 
 
2. At least twenty percent of any new development of more than ten contiguous 
acres. 
 
B. The municipality may not do any of the following: 
 
1. Discourage the development of middle housing through requirements or actions 
that individually or cumulatively make impracticable the permitting, siting, or 
construction of middle housing. 
 
2. Restrict middle housing types to less than two floors. 
 
3. Restrict middle housing types to a floor area ratio of less than fifty percent. 
 
4. Set restrictions, permitting or review processes for middle housing that are more 
restrictive than those for single-family dwellings within the same zone. 
 
5. Require owner occupancy of any structures on the lot.

6.  Require any structures to comply with a commercial building code or to contain 
a fire sprinkler. 
 
7. Require more than one off-street parking space per unit. 
 
C. This section does not prohibit the governing body of a municipality from allowing either 
of the following: 
 
1. Single-family dwellings in areas zoned for single-family dwellings. 
 
2. Additional types of middle housing not required under this section. 
 
D. This section does not apply to any of the following: 
 
1. Areas that are not incorporated. 
 
2. Areas that lack sufficient urban services. 
 
3.  Areas that are not served by water and sewer services. 
 
4. Areas that are not zoned for residential use. 
 
5. Areas that are not incorporated and are zoned under an interim zoning 
designation that maintains the area's potential for planned urban development. 
 
6. Areas covered under title 48, chapter 6, article 4. 
 
7. Any land within the territory in the vicinity of a public airport as defined in 
section 28-8486 or to the extent this section would interfere with the public 
airport's ability to comply with the laws, regulations and requirements of the 
United States related to applying for, receiving or spending federal monies. 
 
8. Any land within the territory in the vicinity of a military airport as defined in 
section 28-8461. 
 
E. If a municipality does not adopt the regulations required by this section on or before 
January 1, 2026, middle housing shall be allowed on all lots in the municipality zoned for 
single-family residential use without any limitations. 
 
F. This section does not change or otherwise impair the terms of any development 
agreement that exists on September 14, 2024.

G. Notwithstanding subsection A of this section, a utility provider impacted by a 
development being developedpursuant to this section shall have the opportunity to 
review and approve the site plan for the development. 
 
H. For the purpose of this section: 
 
1. "Building code": 
 
a) Means a construction code adopted by a municipality. 
 
b) Includes a model building code, commercial code, plumbing and 
mechanical code, electric code, energy conservation code, fire code, 
property maintenance code, neighborhood preservation code, antiblight  
 
2. "Central business district" means an area or series of areas designated by a 
municipality that are primarily nonindustrial and that attract community activity, 
including the entire geographic area that the municipality has officially 
designated as its downtown or equivalent on September 14, 2024. 
 
3.  "Duplex" means two dwelling units on the same parcel or lot in attached, 
detached or semidetached arrangements that are designed for residential 
occupancy by not more than two households living independently from each 
other. 
 
4.  "Floor area ratio" means the ratio of allowed square footage in a middle housing 
project to the square footage of the parcel on which it is built. 
 
5.  "Fourplex" means four dwelling units on the same parcel or lot in attached, 
detached or semidetached arrangements that are designed for residential 
occupancy by not more than four households living independently from each 
other. 
 
6. "Household" means either: 
 
a) A single person living or residing in a dwelling or place of residence. 
 
b)  Two or more persons living together or residing in the same dwelling or 
place of residence. 
 
7. "Middle housing": 
 
a) Means buildings that are compatible in scale, form and character with 
single-family houses and that contain two or more attached, detached, 
stacked or clustered homes.

b) Includes duplexes, triplexes, fourplexes and townhouses. 
 
8. "Permitted use" means the ability for a development to be approved without 
requiring a public hearing, variance, conditional use permit, special permit or 
special exception, other than a discretionary zoning action to determination that 
a site plan conforms with applicable zoning regulations. 
 
9. "Townhouses" means dwelling units that are constructed in a row of two or 
more attached units in which each dwelling unit shares at least one common wall 
with an adjacent unit and that are accessed by separate outdoor entrances.  
 
10. “Triplex” means three dwelling units on the same parcel or lot in attached, 
detached or semidetached arrangements that are designed for residential 
occupancy by not more than three households living independently from each 
other. 
 
The UDC was adopted on January 12, 2024, after HB 2721 was signed by the Arizona State 
Governor on May 21, 2024. The proposed amendment to the UDC brings the UDC into 
conformance with A.R.S., Section 9-462.13 enacted through HB 2721.  
The UDC is proposed to be updated to align with A.R.S., Section 9-462.13, while including additional 
language specific to application process, and development standards. The draft text amendment 
language is as follows: 
 
DRAFT TEXT AMENDMENT (ZTA25-03) 
SECTION 35.2.1011  “CENTRAL BUSINESS DISTRICT” 
 
A. [RESERVED]  
 
B. MIDDLE HOUSING 
 
1. PURPOSE.  
 
THE PURPOSE OF THIS ARTICLE IS TO CONFORM WITH A.R.S. § 9-462.13, WHICH REQUIRES 
MUNICIPALITIES WITH POPULATIONS OF 75,000 OR MORE PERSONS TO ALLOW DUPLEXES, 
TRIPLEXES, FOURPLEXES AND TOWNHOMES AS A PERMITTED USE NO LATER THAN 
JANUARY 1, 2026, ON BOTH OF THE FOLLOWING: (1) LOTS ZONED FOR SINGLE-FAMILY 
RESIDENTIAL USE WITHIN ONE MILE OF THE MUNICIPALITY'S CENTRAL BUSINESS 
DISTRICT; AND (2) AT LEAST TWENTY PERCENT OF ANY NEW DEVELOPMENT OF MORE 
THAN TEN CONTIGUOUS ACRES. THE REGULATIONS IN THIS ARTICLE ARE IN ADDITION 
TO OTHER CODES AND REQUIREMENTS OF THE CITY. 
 
2. DEFINITIONS.  
 
TERMS USED IN THIS ARTICLE HAVE THE FOLLOWING DEFINITIONS:

A. “CENTRAL BUSINESS DISTRICT” MEANS AN AREA OR SERIES OF AREAS 
DESIGNATED BY A MUNICIPALITY THAT ARE PRIMARILY NONINDUSTRIAL AND 
THAT ATTRACT COMMUNITY ACTIVITY, INCLUDING THE ENTIRE GEOGRAPHIC 
AREA THAT THE MUNICIPALITY HAS OFFICIALLY DESIGNATED AS ITS 
DOWNTOWN OR EQUIVALENT ON THE EFFECTIVE DATE OF THE SECTION.  
 
B. “DUPLEX” MEANS TWO DWELLING UNITS ON THE SAME PARCEL OR LOT IN 
ATTACHED, DETACHED OR SEMI-DETACHED ARRANGEMENTS THAT ARE 
DESIGNED FOR RESIDENTIAL OCCUPANCY BY NOT MORE THAN TWO 
HOUSEHOLDS LIVING INDEPENDENTLY FROM EACH OTHER. 
 
C. “FOURPLEX” MEANS FOUR DWELLING UNITS ON THE SAME PARCEL OR LOT IN 
ATTACHED, DETACHED OR SEMI-DETACHED ARRANGEMENTS THAT ARE 
DESIGNED FOR RESIDENTIAL OCCUPANCY BY NOT MORE THAN FOUR 
HOUSEHOLDS LIVING INDEPENDENTLY FROM EACH OTHER. 
 
D. “HOUSEHOLD” MEANS EITHER: 
(A) A SINGLE PERSON LIVING OR RESIDING IN A DWELLING OR PLACE OF 
RESIDENCE. 
(B) TWO OR MORE PERSONS LIVING TOGETHER OR RESIDING IN THE SAME 
DWELLING OR PLACE OF RESIDENCE. 
 
E. “MIDDLE HOUSING”: 
(A) MEANS BUILDINGS THAT ARE COMPATIBLE IN SCALE, FORM AND 
CHARACTER WITH SINGLE-FAMILY HOUSES AND THAT CONTAIN TWO OR 
MORE ATTACHED, DETACHED, STACKED OR CLUSTERED HOMES. 
(B) INCLUDES DUPLEXES, TRIPLEXES, FOURPLEXES AND TOWNHOUSES. 
 
F. “TOWNHOUSES” MEANS DWELLING UNITS THAT ARE CONSTRUCTED IN A ROW 
OF TWO OR MORE ATTACHED UNITS IN WHICH EACH DWELLING UNIT SHARES AT 
LEAST ONE COMMON WALL WITH AN ADJACENT UNIT AND THAT ARE ACCESSED 
BY SEPARATE OUTDOOR ENTRANCES. 
 
G. “TRIPLEX” MEANS THREE DWELLING UNITS ON THE SAME PARCEL OR LOT IN 
ATTACHED, DETACHED OR SEMI-DETACHED ARRANGEMENTS THAT ARE 
DESIGNED FOR RESIDENTIAL OCCUPANCY BY NOT MORE THAN THREE 
HOUSEHOLDS LIVING INDEPENDENTLY FROM EACH OTHER. 
 
3. ELIGIBILITY FOR MIDDLE HOUSING AS A PERMITTED USE. 
 
A.  ELIGIBILITY. SUBJECT TO THE REQUIREMENTS OF THIS SECTION, A DUPLEX, 
TRIPLEX, FOURPLEX, OR TOWNHOME IS ALLOWED AS A PERMITTED USE ON:

1. A LOT ZONED FOR SINGLE-FAMILY RESIDENTIAL USE WITHIN ONE MILE OF THE 
MUNICIPALITY'S CENTRAL BUSINESS DISTRICT. THE WORKING GROUP 
INTERPRETED “ZONED FOR SINGLE-FAMILY RESIDENTIAL USE” AS REFERRING 
TO ZONING DISTRICTS THAT ALLOW FOR SINGLE-FAMILY HOMES ONLY.; OR  
 
2. AT LEAST TWENTY PERCENT OF A NEW DEVELOPMENT OF MORE THAN TEN 
CONTIGUOUS 
ACRES. 
THE 
WORKING 
GROUP 
INTERPRETED 
“NEW 
DEVELOPMENT” AS REFERRING TO AN APPLICATION FOR UNIFIED (NON-
PHASED) DEVELOPMENT PROJECT.   
 
B. NON-ELIGIBILITY. THE FOLLOWING AREAS ARE NOT ELIGIBLE TO CONSTRUCT A 
DUPLEX, TRIPLEX, FOURPLEX, OR TOWNHOME AS A PERMITTED USE AS PROVIDED 
IN THIS ARTICLE:  
 
1. AREAS THAT ARE NOT INCORPORATED; 
 
2. AREAS THAT LACK SUFFICIENT URBAN SERVICES THE DEVELOPMENT SERVICES 
DIRECTOR WILL MAKE THE DETERMINATION OF WHETHER THERE ARE 
SUFFICIENT URBAN SERVICES; 
 
3. AREAS THAT ARE NOT SERVED BY WATER AND SEWER SERVICES; 
 
4. AREAS THAT ARE NOT ZONED FOR RESIDENTIAL USE;  
 
5. AREAS THAT ARE NOT INCORPORATED AND ARE ZONED UNDER AN INTERIM 
ZONING DESIGNATION THAT MAINTAINS THE AREA'S POTENTIAL FOR PLANNED 
URBAN DEVELOPMENT; 
 
6. AREAS COVERED UNDER A.R.S., TITLE 48, CHAPTER 6, ARTICLE 4; 
 
7. ANY LAND WITHIN THE TERRITORY IN THE VICINITY OF A PUBLIC AIRPORT AS 
DEFINED IN SECTION 28-8486 OR TO THE EXTENT THIS SECTION WOULD 
INTERFERE WITH THE PUBLIC AIRPORT'S ABILITY TO COMPLY WITH THE LAWS, 
REGULATIONS AND REQUIREMENTS OF THE UNITED STATES RELATED TO 
APPLYING FOR, RECEIVING OR SPENDING FEDERAL MONIES; AND 
 
8. ANY LAND WITHIN THE TERRITORY IN THE VICINITY OF A MILITARY AIRPORT 
AS DEFINED IN A.R.S. § 28-8461. 
 
C. APPLICATION PROCESS. A PROPERTY OWNER SEEKING TO DEVELOP AN ELIGIBLE 
PROJECT SHALL SUBMIT AN APPLICATION THAT INCLUDES THE FOLLOWING:  
 
1.  EVIDENCE SATISFACTORY TO THE DEVELOPMENT SERVICES DIRECTOR THAT 
THE PROPOSED DUPLEX, TRIPLEX, FOURPLEX, OR TOWNHOME IS ELIGIBLE AS 
A PERMITTED USE IN ACCORDANCE WITH THIS SECTION; 
 
2.  A SITE PLAN IN CONFORMANCE WITH THE CITY SITE PLAN REVIEW AND 
APPROVAL PROCESS;

3.  EVIDENCE OF SITE PLAN REVIEW AND APPROVAL BY ANY UTILITY PROVIDER 
IMPACTED BY THE PROPOSED DEVELOPMENT; 
 
4.  EVIDENCE OF SUFFICIENT URBAN SERVICES FOR THE ENTIRE PROPOSED 
DEVELOPMENT; 
 
5.  EVIDENCE OF ADEQUATE EXISTING PUBLIC SEWER AND WATER SERVICE FOR 
THE ENTIRE PROPOSED DEVELOPMENT; AND 
 
6.  COMPLIANCE WITH ALL APPLICABLE BUILDING CODE, COMMERCIAL CODE, 
PLUMBING 
AND 
MECHANICAL 
CODE, 
ELECTRIC 
CODE, 
ENERGY 
CONSERVATION 
CODE, 
FIRE 
CODE, 
PROPERTY 
MAINTENANCE 
CODE, 
NEIGHBORHOOD PRESERVATION CODE, ANTI-BLIGHT CODE OR OTHER 
SIMILAR CODE. 
 
D. UTILITIES. NOTWITHSTANDING THE PROVISIONS OF THIS ARTICLE, A UTILITY 
PROVIDER IMPACTED BY AN APPLICATION UNDER THIS SECTION SHALL HAVE THE 
OPPORTUNITY TO REVIEW AND APPROVE THE SITE PLAN FOR THE DEVELOPMENT.  
 
E. DEVELOPMENT STANDARDS AND REQUIREMENTS. AN ELIGIBLE PROJECT SHALL 
COMPLY WITH THE FOLLOWING DEVELOPMENT STANDARDS AND REQUIREMENTS: 
 
1. PARKING. ONE (1) OFF-STREET PARKING SPACE REQUIRED PER UNIT.  
 
2. HEIGHT. MAXIMUM HEIGHT TO COMPLY WITH THE PROPERTY ZONING DISTRICT.  
 
3. DENSITY. NO GREATER THAN 50% FLOOR AREA RATIO. 
 
 
Section 35.8.003 – Use Standard Definitions.  
 
Dwelling, Duplex: A single building containing two (2) dwelling units located on individual or 
separate lots designed for or used by a single housekeeping unit living independently of each 
other. Dwelling units are typically attached by a common vertical wall and may be side by side or 
up and down. TWO (2) DWELLING UNITS ON THE SAME PARCEL OR LOT IN 
ATTACHED, DETACHED, OR SEMI-DETACHED ARRANGEMENTS THAT ARE 
DESIGNED FOR RESIDENTIAL OCCUPANCY BY NOT MORE THAN TWO (2) 
HOUSEHOLDS LIVING INDEPENDENTLY FROM EACH OTHER. 
 
 
Section 35.8.004 – Specific Definitions.  
 
CENTRAL BUSINESS DISTRICT: AN AREA OR SERIES OF AREAS DESIGNATED BY A 
MUNICIPALITY THAT ARE PRIMARILY NONINDUSTRIAL AND THAT ATTRACT 
COMMUNITY ACTIVITY, INCLUDING AREA AS DESIGNATED BY RESOLUTION 
NUMBER R19-07 AND ASSOCIATED MAP (SEE EXHIBIT A BELOW) ADOPTED 
JANUARY 22, 2019:

FOURPLEX: FOUR (4) DWELLING UNITS ON THE SAME PARCEL OR LOT IN 
ATTACHED, DETACHED, OR SEMI-DETACHED ARRANGEMENTS THAT ARE 
DESIGNED FOR RESIDENTIAL OCCUPANCY BY NOT MORE THAN FOUR 
HOUSEHOLDS LIVING INDEPENDENTLY FROM EACH OTHER. 
 
TRIPLEX: THREE (3) DWELLING UNITS ON THE SAME PARCEL OR LOT IN 
ATTACHED, DETACHED, OR SEMI-DETACHED ARRANGEMENTS THAT ARE 
DESIGNED FOR RESIDENTIAL OCCUPANCY BY NOT MORE THAN THREE (3) 
HOUSEHOLDS LIVING INDEPENDENTLY FROM EACH OTHER. 
 
 
Table 2.100-1: Table of Allowed Uses for Agricultural District 
Residential Use Category [1] 
Dwelling, Single-Family Detached 
P 
Sec. 35.3.102.A 
Dwelling, Modular Home 
P 
Sec. 35.3.102.D

Residential Care Home 
P 
Sec. 35.3.102.F 
Short-term or Vacation Rental 
P 
 
 
NOTES:  
[1] FOR MIDDLE HOUSING PROPOSALS, REFER TO SECTION 35.2.1011.B 
“MIDDLE HOUSING” FOR APPLICABLE REQUIREMENTS.  
 
Table 2.200-1: Table of Allowed Uses for Rural/Suburban Residence Districts 
Residential Use Category [1] 
Bed & Breakfast 
C 
C 
C 
C 
Dwelling, Single-Family Detached 
P 
P 
P 
P 
Sec. 35.3.102.A 
Dwelling, Modular Home 
P 
P 
P 
P 
Sec. 35.3.102.D 
Model Home Complex 
X 
P 
P 
P 
Sec. 35.3.102.G 
Residential Care Home 
P 
P 
P 
P 
Sec. 35.3.102.F 
Short-term or Vacation Rental 
P 
P 
P 
P 
 
 
 
NOTES:  
[1] FOR MIDDLE HOUSING PROPOSALS, REFER TO SECTION 35.2.1011.B 
“MIDDLE HOUSING” FOR APPLICABLE REQUIREMENTS.  
 
Table 2.300-1: Table of Allowed Uses for Single Residence Districts 
Residential Use Category [1]

Dwelling, Duplex 
X 
X 
X 
X 
P 
 
Dwelling, Single-Family Attached 
X 
X 
X 
X 
P 
Dwelling, Single-Family Detached 
P 
P 
P 
P 
P 
Sec. 35.3.102.A 
Dwelling, Modular Home 
P 
P 
P 
P 
P 
Sec. 35.3.102.D 
Residential Care Home 
P 
P 
P 
P 
P 
Sec. 35.3.102.F 
Model Home Complex 
P 
P 
P 
P 
P 
Sec. 35.3.102.G 
Short-Term or Vacation Rental 
P 
P 
P 
P 
P 
 
NOTES:  
[1] FOR MIDDLE HOUSING PROPOSALS, REFER TO SECTION 35.2.1011.B 
“MIDDLE HOUSING” FOR APPLICABLE REQUIREMENTS.  
 
Table 2.400-1: Table of Allowed Uses for Multiple Residence Districts 
Residential Use Category [1] 
Dwelling, Duplex 
P 
X 
X 
X 
 
Dwelling, Single-Family Attached 
P 
P 
P 
X 
Dwelling, Single-Family Detached 
P [1] [2] 
P [1] [2] 
P [1] [2] 
X 
Sec. 35.3.102.A 
Dwelling, For Rent Community 
P 
P 
P 
P 
Sec. 35.3.102.C 
Dwelling, Multi-Family 
P 
P 
P 
P

Dwelling, Live/Work 
X 
X 
X 
C 
Sec. 35.3.102.B 
Mixed-Use Residential 
X 
C 
C 
C 
Sec. 35.3.102.E 
Dwelling, Modular Home 
P 
X 
X 
X 
Sec. 35.3.102.D 
Group Care Home 
C 
C 
C 
Sec. 35.3.102.F 
Model Home Complex 
P 
X 
X 
X 
Sec. 35.3.102.G 
Residential Care Home 
P 
X 
X 
X 
Sec. 35.3.102.F 
Residential Care Center 
X 
P 
P 
P 
Sec. 35.3.102.F 
Senior Care, Assisted Living, and Memory Care 
Facilities 
X 
X 
X 
C 
Short-term or Vacation Rental 
P 
P 
P 
P 
 
 
NOTES:  
[1] FOR MIDDLE HOUSING PROPOSALS, REFER TO SECTION 35.2.1011.B 
“MIDDLE HOUSING” FOR APPLICABLE REQUIREMENTS.  
[1] [2] Dwelling, Single Family Detached uses shall only be permitted for lots that were 
lawfully established and recorded prior to the date of the passage of this ordinance (insert 
date) and that do not meet the minimum dimension standards as defined in Table 2.400-2 
for the zoning district in which they are located. 
 
Table 2.500-1: Table of Allowed Uses for Commercial Districts 
Residential Use Category [1] 
Dwelling, Live/Work 
X 
X 
X 
C 
Sec. 35.3.102.B

Dwelling, Mixed-Use Residential 
X 
X 
X 
P 
Sec. 35.3.102.E 
Group Care Home 
X 
X 
C 
X 
Sec. 35.3.102.F 
Residential Care Center 
P 
P 
X 
X 
Sec. 35.3.102.F 
Senior Care, Assisted Living, and Memory Care Facilities 
C 
P 
P 
C 
Short-term or Vacation Rental 
X 
X 
X 
P 
 
NOTES:  
[1] FOR MIDDLE HOUSING PROPOSALS, REFER TO SECTION 35.2.1011.B 
“MIDDLE HOUSING” FOR APPLICABLE REQUIREMENTS.  
 
Table 2.600-1: Table of Allowed Uses for Professional Office Districts 
Residential Use Category [1] 
Dwelling, Single-Family Detached [1] [2] 
P 
C 
X 
Sec. 35.3.102.A 
Dwelling, Live/Work [1] [2] 
P 
C 
X 
Sec. 35.3.102.B 
Residential Care Home 
P 
X 
X 
Sec. 35.3.102.F 
Short-term or Vacation Rental 
P 
X 
X 
 
NOTES:  
[1] FOR MIDDLE HOUSING PROPOSALS, REFER TO SECTION 35.2.1011.B 
“MIDDLE HOUSING” FOR APPLICABLE REQUIREMENTS.  
[1] [2] SHALL BE LIMITED TO A SINGLE RESIDENCE OCCUPIED BY OWNER OR 
EMPLOYEE OF BUSINESS ON THE PROPERTY.

Table 2.700-1: Table of Allowed Uses for Business/Industrial Districts 
Specific Use Type 
P = Permitted Use   C = Conditional Use   SU = Special Use District   X = Prohibited 
Business/Industrial Zoning Districts [1] 
 
NOTES:  
[1] FOR MIDDLE HOUSING PROPOSALS, REFER TO SECTION 35.2.1011.B 
“MIDDLE HOUSING” FOR APPLICABLE REQUIREMENTS.  
 
Notification  
 
The Zoning Text Amendment will affect property owners citywide.  
 
The Zoning Text Amendment will address Middle Housing and will be permitted on lots zoned 
for single-family residential use within one (1) mile of the Central Business District, and at least 
twenty percent of any new development of more than ten (10) contiguous acres.  
 
Sixty-two (62) notification letters were sent September 17, 2025, to interested parties which 
included the intent of the text amendment, a staff contact, and the draft text amendment 
language itself. From those letters distributed, six (6) were returned back to staff. 
Recipients were provided until October 2, 2025, to provide comments which is clearly noted in 
this letter. Staff did not receive any comments, questions, nor concerns in response to the 
notification letter.   
 
Project Timeline 
 
Submittal of CPP: September 16, 2025 
Date of Neighborhood Letter: September 17, 2025 
Comment Period: September 18, 2025 - October 2, 2025 
Submittal of Final Report: October 3, 2025

September 17, 2025 
 
 
 
RE: 
Proposed Zoning Text Amendment (ZTA25-03) to Amend the Unified Development 
Code 
 
 
Dear Neighbor or Interested Party:  
 
 
This letter is to inform you the City of Glendale is processing a Zoning Text Amendment (ZTA25-
03) to amend the Unified Development Code (UDC) to add Section 35.2.1011 “Central Business 
District”, addressing Middle Housing on properties which permit single-family residences within 
one mile of the Central Business District; and at least twenty percent of any new development of 
more than ten contiguous acres, amend Sections 35.8.003 “Use Standard Definitions” and 
35.8.004 “Specific Definitions”, and amend the Use Standard tables for all zoning districts, 
including Table 2.100-1, Table 2.200-1, Table 2.300-1, Table 2.400-1, Table 2.500-1, Table 
2.600-1, and Table 2.700-1. This request is necessary to align the Unified Development Code 
with Arizona Revised Statues 9-462.13 enacted through House Bill 2721.  
 
I have included the draft Zoning Text Amendment language for your review. You may write, 
email, or call the Staff Contact for the City of Glendale, Alex Lerma, Senior Planner, at 623-930-
2510 or ALerma@glendaleaz.com. Comments must be received by October 2, 2025.  
 
 
Sincerely,  
 
Alex Lerma 
Senior Planner 
Planning Division 
City of Glendale  
 
ec:  
Draft Text Amendment  
cc: 
Mayor’s Office 
 
City Council Office

City Manager’s Office 
 
Randy Huggins, Jr., Development Services Director 
 
Duane Hoskins, Interim Deputy Director of Development Services 
 
Tawanda Walker-Hall, Administrative Support Supervisor  
 
 
The UDC is proposed to adopt the language above with modifications as noted below in red; 
text to be amended is struck through. The draft text amendment language is as follows: 
 
 
DRAFT TEXT AMENDMENT (ZTA25-03) 
 
SECTION 35.2.1011  “CENTRAL BUSINESS DISTRICT” 
 
A. [RESERVED]  
 
 
B. MIDDLE HOUSING 
 
1. PURPOSE.  
 
THE PURPOSE OF THIS ARTICLE IS TO CONFORM WITH A.R.S. § 9-462.13, WHICH REQUIRES 
MUNICIPALITIES WITH POPULATIONS OF 75,000 OR MORE PERSONS TO ALLOW DUPLEXES, 
TRIPLEXES, FOURPLEXES AND TOWNHOMES AS A PERMITTED USE NO LATER THAN 
JANUARY 1, 2026, ON BOTH OF THE FOLLOWING: (1) LOTS ZONED FOR SINGLE-FAMILY 
RESIDENTIAL USE WITHIN ONE MILE OF THE MUNICIPALITY'S CENTRAL BUSINESS 
DISTRICT; AND (2) AT LEAST TWENTY PERCENT OF ANY NEW DEVELOPMENT OF MORE 
THAN TEN CONTIGUOUS ACRES. THE REGULATIONS IN THIS ARTICLE ARE IN ADDITION 
TO OTHER CODES AND REQUIREMENTS OF THE CITY. 
 
2. DEFINITIONS.  
 
TERMS USED IN THIS ARTICLE HAVE THE FOLLOWING DEFINITIONS: 
 
A. “CENTRAL BUSINESS DISTRICT” MEANS AN AREA OR SERIES OF AREAS 
DESIGNATED BY A MUNICIPALITY THAT ARE PRIMARILY NONINDUSTRIAL AND 
THAT ATTRACT COMMUNITY ACTIVITY, INCLUDING THE ENTIRE GEOGRAPHIC 
AREA THAT THE MUNICIPALITY HAS OFFICIALLY DESIGNATED AS ITS 
DOWNTOWN OR EQUIVALENT ON THE EFFECTIVE DATE OF THE SECTION.  
 
B. “DUPLEX” MEANS TWO DWELLING UNITS ON THE SAME PARCEL OR LOT IN 
ATTACHED, DETACHED OR SEMI-DETACHED ARRANGEMENTS THAT ARE 
DESIGNED FOR RESIDENTIAL OCCUPANCY BY NOT MORE THAN TWO 
HOUSEHOLDS LIVING INDEPENDENTLY FROM EACH OTHER. 
 
C. “FOURPLEX” MEANS FOUR DWELLING UNITS ON THE SAME PARCEL OR LOT IN 
ATTACHED, DETACHED OR SEMI-DETACHED ARRANGEMENTS THAT ARE

DESIGNED FOR RESIDENTIAL OCCUPANCY BY NOT MORE THAN FOUR 
HOUSEHOLDS LIVING INDEPENDENTLY FROM EACH OTHER. 
 
D. “HOUSEHOLD” MEANS EITHER: 
(A) A SINGLE PERSON LIVING OR RESIDING IN A DWELLING OR PLACE OF 
RESIDENCE. 
(B) TWO OR MORE PERSONS LIVING TOGETHER OR RESIDING IN THE SAME 
DWELLING OR PLACE OF RESIDENCE. 
 
E. “MIDDLE HOUSING”: 
(A) MEANS BUILDINGS THAT ARE COMPATIBLE IN SCALE, FORM AND 
CHARACTER WITH SINGLE-FAMILY HOUSES AND THAT CONTAIN TWO OR 
MORE ATTACHED, DETACHED, STACKED OR CLUSTERED HOMES. 
(B) INCLUDES DUPLEXES, TRIPLEXES, FOURPLEXES AND TOWNHOUSES. 
 
F. “TOWNHOUSES” MEANS DWELLING UNITS THAT ARE CONSTRUCTED IN A ROW 
OF TWO OR MORE ATTACHED UNITS IN WHICH EACH DWELLING UNIT SHARES AT 
LEAST ONE COMMON WALL WITH AN ADJACENT UNIT AND THAT ARE ACCESSED 
BY SEPARATE OUTDOOR ENTRANCES. 
 
G. “TRIPLEX” MEANS THREE DWELLING UNITS ON THE SAME PARCEL OR LOT IN 
ATTACHED, DETACHED OR SEMI-DETACHED ARRANGEMENTS THAT ARE 
DESIGNED FOR RESIDENTIAL OCCUPANCY BY NOT MORE THAN THREE 
HOUSEHOLDS LIVING INDEPENDENTLY FROM EACH OTHER. 
 
3. ELIGIBILITY FOR MIDDLE HOUSING AS A PERMITTED USE. 
 
A.  ELIGIBILITY. SUBJECT TO THE REQUIREMENTS OF THIS SECTION, A DUPLEX, 
TRIPLEX, FOURPLEX, OR TOWNHOME IS ALLOWED AS A PERMITTED USE ON: 
 
1. A LOT ZONED FOR SINGLE-FAMILY RESIDENTIAL USE WITHIN ONE MILE OF THE 
MUNICIPALITY'S CENTRAL BUSINESS DISTRICT. THE WORKING GROUP 
INTERPRETED “ZONED FOR SINGLE-FAMILY RESIDENTIAL USE” AS REFERRING 
TO ZONING DISTRICTS THAT ALLOW FOR SINGLE-FAMILY HOMES ONLY.; OR  
 
2. AT LEAST TWENTY PERCENT OF A NEW DEVELOPMENT OF MORE THAN TEN 
CONTIGUOUS 
ACRES. 
THE 
WORKING 
GROUP 
INTERPRETED 
“NEW 
DEVELOPMENT” AS REFERRING TO AN APPLICATION FOR UNIFIED (NON-
PHASED) DEVELOPMENT PROJECT.   
 
B. NON-ELIGIBILITY. THE FOLLOWING AREAS ARE NOT ELIGIBLE TO CONSTRUCT A 
DUPLEX, TRIPLEX, FOURPLEX, OR TOWNHOME AS A PERMITTED USE AS PROVIDED 
IN THIS ARTICLE:  
 
1. AREAS THAT ARE NOT INCORPORATED;

2. AREAS THAT LACK SUFFICIENT URBAN SERVICES THE DEVELOPMENT SERVICES 
DIRECTOR WILL MAKE THE DETERMINATION OF WHETHER THERE ARE 
SUFFICIENT URBAN SERVICES; 
 
3. AREAS THAT ARE NOT SERVED BY WATER AND SEWER SERVICES; 
 
4. AREAS THAT ARE NOT ZONED FOR RESIDENTIAL USE;  
 
5. AREAS THAT ARE NOT INCORPORATED AND ARE ZONED UNDER AN INTERIM 
ZONING DESIGNATION THAT MAINTAINS THE AREA'S POTENTIAL FOR PLANNED 
URBAN DEVELOPMENT; 
 
6. AREAS COVERED UNDER A.R.S., TITLE 48, CHAPTER 6, ARTICLE 4; 
 
7. ANY LAND WITHIN THE TERRITORY IN THE VICINITY OF A PUBLIC AIRPORT AS 
DEFINED IN SECTION 28-8486 OR TO THE EXTENT THIS SECTION WOULD 
INTERFERE WITH THE PUBLIC AIRPORT'S ABILITY TO COMPLY WITH THE LAWS, 
REGULATIONS AND REQUIREMENTS OF THE UNITED STATES RELATED TO 
APPLYING FOR, RECEIVING OR SPENDING FEDERAL MONIES; AND 
 
8. ANY LAND WITHIN THE TERRITORY IN THE VICINITY OF A MILITARY AIRPORT 
AS DEFINED IN A.R.S. § 28-8461. 
 
C. APPLICATION PROCESS. A PROPERTY OWNER SEEKING TO DEVELOP AN ELIGIBLE 
PROJECT SHALL SUBMIT AN APPLICATION THAT INCLUDES THE FOLLOWING:  
 
1.  EVIDENCE SATISFACTORY TO THE DEVELOPMENT SERVICES DIRECTOR THAT 
THE PROPOSED DUPLEX, TRIPLEX, FOURPLEX, OR TOWNHOME IS ELIGIBLE AS 
A PERMITTED USE IN ACCORDANCE WITH THIS SECTION; 
 
2.  A SITE PLAN IN CONFORMANCE WITH THE CITY SITE PLAN REVIEW AND 
APPROVAL PROCESS; 
 
3.  EVIDENCE OF SITE PLAN REVIEW AND APPROVAL BY ANY UTILITY PROVIDER 
IMPACTED BY THE PROPOSED DEVELOPMENT; 
 
4.  EVIDENCE OF SUFFICIENT URBAN SERVICES FOR THE ENTIRE PROPOSED 
DEVELOPMENT; 
 
5.  EVIDENCE OF ADEQUATE EXISTING PUBLIC SEWER AND WATER SERVICE FOR 
THE ENTIRE PROPOSED DEVELOPMENT; AND 
 
6.  COMPLIANCE WITH ALL APPLICABLE BUILDING CODE, COMMERCIAL CODE, 
PLUMBING 
AND 
MECHANICAL 
CODE, 
ELECTRIC 
CODE, 
ENERGY 
CONSERVATION 
CODE, 
FIRE 
CODE, 
PROPERTY 
MAINTENANCE 
CODE, 
NEIGHBORHOOD PRESERVATION CODE, ANTI-BLIGHT CODE OR OTHER 
SIMILAR CODE.

D. UTILITIES. NOTWITHSTANDING THE PROVISIONS OF THIS ARTICLE, A UTILITY 
PROVIDER IMPACTED BY AN APPLICATION UNDER THIS SECTION SHALL HAVE THE 
OPPORTUNITY TO REVIEW AND APPROVE THE SITE PLAN FOR THE DEVELOPMENT.  
 
E. DEVELOPMENT STANDARDS AND REQUIREMENTS. AN ELIGIBLE PROJECT SHALL 
COMPLY WITH THE FOLLOWING DEVELOPMENT STANDARDS AND REQUIREMENTS: 
 
1. PARKING. ONE (1) OFF-STREET PARKING SPACE REQUIRED PER UNIT.  
 
2. HEIGHT. MAXIMUM HEIGHT TO COMPLY WITH THE PROPERTY ZONING DISTRICT.  
 
3. DENSITY. NO GREATER THAN 50% FLOOR AREA RATIO. 
 
 
Section 35.8.003 – Use Standard Definitions.  
 
Dwelling, Duplex: A single building containing two (2) dwelling units located on individual or 
separate lots designed for or used by a single housekeeping unit living independently of each 
other. Dwelling units are typically attached by a common vertical wall and may be side by side or 
up and down. TWO (2) DWELLING UNITS ON THE SAME PARCEL OR LOT IN 
ATTACHED, DETACHED, OR SEMI-DETACHED ARRANGEMENTS THAT ARE 
DESIGNED FOR RESIDENTIAL OCCUPANCY BY NOT MORE THAN TWO (2) 
HOUSEHOLDS LIVING INDEPENDENTLY FROM EACH OTHER. 
 
 
Section 35.8.004 – Specific Definitions.  
 
CENTRAL BUSINESS DISTRICT: AN AREA OR SERIES OF AREAS DESIGNATED BY A 
MUNICIPALITY THAT ARE PRIMARILY NONINDUSTRIAL AND THAT ATTRACT 
COMMUNITY ACTIVITY, INCLUDING AREA AS DESIGNATED BY RESOLUTION 
NUMBER R19-07 AND ASSOCIATED MAP (SEE EXHIBIT A BELOW) ADOPTED 
JANUARY 22, 2019:

FOURPLEX: FOUR (4) DWELLING UNITS ON THE SAME PARCEL OR LOT IN 
ATTACHED, DETACHED, OR SEMI-DETACHED ARRANGEMENTS THAT ARE 
DESIGNED FOR RESIDENTIAL OCCUPANCY BY NOT MORE THAN FOUR 
HOUSEHOLDS LIVING INDEPENDENTLY FROM EACH OTHER. 
 
TRIPLEX: THREE (3) DWELLING UNITS ON THE SAME PARCEL OR LOT IN 
ATTACHED, DETACHED, OR SEMI-DETACHED ARRANGEMENTS THAT ARE 
DESIGNED FOR RESIDENTIAL OCCUPANCY BY NOT MORE THAN THREE (3) 
HOUSEHOLDS LIVING INDEPENDENTLY FROM EACH OTHER. 
 
Table 2.100-1: Table of Allowed Uses for Agricultural District 
Residential Use Category [1] 
Dwelling, Single-Family Detached 
P 
Sec. 35.3.102.A 
Dwelling, Modular Home 
P 
Sec. 35.3.102.D 
Residential Care Home 
P 
Sec. 35.3.102.F

Short-term or Vacation Rental 
P 
 
 
 
NOTES:  
[1] FOR MIDDLE HOUSING PROPOSALS, REFER TO SECTION 35.2.1011.B 
“MIDDLE HOUSING” FOR APPLICABLE REQUIREMENTS.  
 
Table 2.200-1: Table of Allowed Uses for Rural/Suburban Residence Districts 
Residential Use Category [1] 
Bed & Breakfast 
C 
C 
C 
C 
Dwelling, Single-Family Detached 
P 
P 
P 
P 
Sec. 35.3.102.A 
Dwelling, Modular Home 
P 
P 
P 
P 
Sec. 35.3.102.D 
Model Home Complex 
X 
P 
P 
P 
Sec. 35.3.102.G 
Residential Care Home 
P 
P 
P 
P 
Sec. 35.3.102.F 
Short-term or Vacation Rental 
P 
P 
P 
P 
 
 
NOTES:  
[1] FOR MIDDLE HOUSING PROPOSALS, REFER TO SECTION 35.2.1011.B 
“MIDDLE HOUSING” FOR APPLICABLE REQUIREMENTS.  
 
Table 2.300-1: Table of Allowed Uses for Single Residence Districts 
Residential Use Category [1] 
Dwelling, Duplex 
X 
X 
X 
X 
P

Dwelling, Single-Family Attached 
X 
X 
X 
X 
P 
 
Dwelling, Single-Family Detached 
P 
P 
P 
P 
P 
Sec. 35.3.102.A 
Dwelling, Modular Home 
P 
P 
P 
P 
P 
Sec. 35.3.102.D 
Residential Care Home 
P 
P 
P 
P 
P 
Sec. 35.3.102.F 
Model Home Complex 
P 
P 
P 
P 
P 
Sec. 35.3.102.G 
Short-Term or Vacation Rental 
P 
P 
P 
P 
P 
 
NOTES:  
[1] FOR MIDDLE HOUSING PROPOSALS, REFER TO SECTION 35.2.1011.B 
“MIDDLE HOUSING” FOR APPLICABLE REQUIREMENTS.  
 
Table 2.400-1: Table of Allowed Uses for Multiple Residence Districts 
Residential Use Category [1] 
Dwelling, Duplex 
P 
X 
X 
X 
Dwelling, Single-Family Attached 
P 
P 
P 
X 
 
Dwelling, Single-Family Detached 
P [1] [2] 
P [1] [2] 
P [1] [2] 
X 
Sec. 35.3.102.A 
Dwelling, For Rent Community 
P 
P 
P 
P 
Sec. 35.3.102.C 
Dwelling, Multi-Family 
P 
P 
P 
P 
Dwelling, Live/Work 
X 
X 
X 
C 
Sec. 35.3.102.B

Mixed-Use Residential 
X 
C 
C 
C 
Sec. 35.3.102.E 
Dwelling, Modular Home 
P 
X 
X 
X 
Sec. 35.3.102.D 
Group Care Home 
C 
C 
C 
Sec. 35.3.102.F 
Model Home Complex 
P 
X 
X 
X 
Sec. 35.3.102.G 
Residential Care Home 
P 
X 
X 
X 
Sec. 35.3.102.F 
Residential Care Center 
X 
P 
P 
P 
Sec. 35.3.102.F 
Senior Care, Assisted Living, and Memory Care 
Facilities 
X 
X 
X 
C 
Short-term or Vacation Rental 
P 
P 
P 
P 
 
NOTES:  
[1] FOR MIDDLE HOUSING PROPOSALS, REFER TO SECTION 35.2.1011.B 
“MIDDLE HOUSING” FOR APPLICABLE REQUIREMENTS.  
[1] [2] Dwelling, Single Family Detached uses shall only be permitted for lots that were 
lawfully established and recorded prior to the date of the passage of this ordinance (insert 
date) and that do not meet the minimum dimension standards as defined in Table 2.400-2 
for the zoning district in which they are located. 
 
Table 2.500-1: Table of Allowed Uses for Commercial Districts 
Residential Use Category [1] 
Dwelling, Live/Work 
X 
X 
X 
C 
Sec. 35.3.102.B 
Dwelling, Mixed-Use Residential 
X 
X 
X 
P 
Sec. 35.3.102.E

Group Care Home 
X 
X 
C 
X 
Sec. 35.3.102.F 
Residential Care Center 
P 
P 
X 
X 
Sec. 35.3.102.F 
Senior Care, Assisted Living, and Memory Care Facilities 
C 
P 
P 
C 
Short-term or Vacation Rental 
X 
X 
X 
P 
 
NOTES:  
[1] FOR MIDDLE HOUSING PROPOSALS, REFER TO SECTION 35.2.1011.B 
“MIDDLE HOUSING” FOR APPLICABLE REQUIREMENTS.  
 
Table 2.600-1: Table of Allowed Uses for Professional Office Districts 
Residential Use Category [1] 
Dwelling, Single-Family Detached [1] [2] 
P 
C 
X 
Sec. 35.3.102.A 
Dwelling, Live/Work [1] [2] 
P 
C 
X 
Sec. 35.3.102.B 
Residential Care Home 
P 
X 
X 
Sec. 35.3.102.F 
Short-term or Vacation Rental 
P 
X 
X 
 
 
NOTES:  
[1] FOR MIDDLE HOUSING PROPOSALS, REFER TO SECTION 35.2.1011.B 
“MIDDLE HOUSING” FOR APPLICABLE REQUIREMENTS.  
[1] [2] SHALL BE LIMITED TO A SINGLE RESIDENCE OCCUPIED BY OWNER OR 
EMPLOYEE OF BUSINESS ON THE PROPERTY. 
 
 
Table 2.700-1: Table of Allowed Uses for Business/Industrial Districts

Specific Use Type 
P = Permitted Use   C = Conditional Use   SU = Special Use District   X = Prohibited 
Business/Industrial Zoning Districts [1] 
 
NOTES:  
[1] FOR MIDDLE HOUSING PROPOSALS, REFER TO SECTION 35.2.1011.B 
“MIDDLE HOUSING” FOR APPLICABLE REQUIREMENTS.

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