Narrative

City of Glendale — Regular Meeting (2024-11-14)

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ZTA24-03 – Accessory Use Conditions: Accessory Dwelling Unit 
Brief Description 
The purpose of the proposed Zoning Text Amendment, ZTA24-03, is to align section 35.3.204 of 
the Unified Development Code (UDC) with the Arizona Revised State (ARS) Statute House Bill 
(HB) 2720.  
 
The ARS HB 2720 states, in its entirety:  
 
A. A municipality with a population of more than seventy-five thousand persons shall adopt 
regulations that allow on any lot or parcel where a single-family dwelling is allowed all of 
the following: 
1. At least one attached, detached or internal accessory dwelling 9 unit as a 
permitted use.  
2. A minimum of one additional accessory dwelling unit as a permitted use for each 
accessory dwelling unit on the lot or parcel that is a restricted-affordable 
dwelling unit.  
3. An accessory dwelling unit that is seventy-five percent of the gross floor area of 
the single-family dwelling on the same lot or parcel or one thousand square feet, 
whichever is less.  
B. A municipality may not do any of the following:  
1. Prohibit the use or advertisement of either the single-family dwelling or any 
accessory dwelling unit located on the same lot or parcel as separately leased 
long-term rental housing.   
2. Require a familial, marital, employment or other preexisting relationship 
between the owner or occupant of a single-family dwelling and the occupant of 
an accessory dwelling unit located on the same lot or parcel.  
3. Prohibit or require kitchen facilities in an accessory dwelling unit.  
4. Require that a lot or parcel have additional parking to accommodate an 
accessory dwelling unit or require payment of fees instead of additional parking.  
5. Require that an accessory dwelling unit match the exterior design, roof pitch or 
finishing materials of the single-family dwelling that is located on the same lot as 
the accessory dwelling unit.  
6. Set restrictions for accessory dwelling units that are more restrictive than those 
for single-family dwellings within the same zoning area with regard to height, 
setbacks, lot size or coverage or building frontage.  
7. Set rear or side setbacks for accessory dwelling units that are more than five feet 
from the property line.

8. Require improvements to public streets as a condition of allowing an accessory 
dwelling unit, except as necessary to reconstruct or repair a public street that is 
disturbed as a result of the construction of the accessory dwelling unit.  
9. Require a restrictive covenant concerning an accessory dwelling unit on a lot or 
parcel zoned for residential use by a single-family dwelling. 
C. This section does not prohibit restrictive covenants concerning accessory dwelling units 
entered into between private parties. The municipality may not condition a permit, 
license or use of an accessory dwelling unit on adopting or implementing a restrictive 
covenant between private parties.  
D. This section does not supersede applicable building codes, fire codes or public health 
and safety regulations, except that a municipality may not require an accessory dwelling 
unit to comply with a commercial building code or contain a fire sprinkler.  
E. If a municipality fails to adopt development regulations as required by this section on or 
before January 1, 2025, accessory dwelling units shall be allowed on all lots or parcels 
zoned for residential use in the municipality without limits.  
F. For the purposes of this section:  
1. "Accessory dwelling unit" means a self-contained living unit that is on the same 
lot or parcel as a single-family dwelling of greater square footage than the 
accessory dwelling unit, that includes its own sleeping and sanitation facilities 
and that may include its own kitchen facilities.  
2. "Gross floor area" means the interior habitable area of a single-family dwelling or 
an accessory dwelling unit.  
3. "long-term rental" means rental use in which the tenant holds a lease of ninety 
days or longer or on a month-by-month basis.  
4. "municipality" means a city or town that exercises zoning powers under this title.  
5. "Kitchen facilities" means a sink, refrigerator and a significant cooking appliance, 
including a range, stove, oven or microwave oven.  
6. "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.  
7. "Restricted-affordable dwelling unit" means a dwelling unit that, either through a 
deed restriction or a development agreement with the municipality, shall be 
rented or sold to households earning up to eighty percent of area median 
income. 
 
The UDC was adopted on January 12, 2024, prior to HB 2720 being signed by the Arizona State 
Governor on May 21, 2024. The proposed amendment to the UDC brings the UDC into 
conformance with HB 2720.

The UDC is proposed to adopt the language above with modifications as noted below in red; 
text to be stricken is struck through. The draft text amendment language is as follows: 
DRAFT TEXT AMENDMENT (ZTA24-03) 
 
35.3.204  
Accessory Use Conditions 
A.  
Accessory Dwelling Unit 
1. An accessory dwelling unit (ADU) shall be subject to Zoning Clearance 
as described in Section 35.6.210. 
2. An accessory dwelling unit may only be located on a lot that is 8,000 
square feet or larger in area and contains one single-family detached 
dwelling unit. 
3. Only one accessory dwelling unit shall be permitted per single-family 
dwelling unit. 
4. If the accessory dwelling unit is attached (i.e. located within the same 
building as the principal dwelling), the principal dwelling shall not be 
altered so as to appear to contain more than one dwelling unit. 
5. An accessory dwelling unit shall not contain more than two bedrooms. 
6. A manufactured home, mobile home or recreational vehicle shall not 
be used as an accessory dwelling unit. Any ADU that is constructed off-
site is considered semi-permanent and must be placed on an approved 
foundation system. 
7. An accessory dwelling unit shall be constructed of similar materials, 
colors, and architectural style to the principal dwelling. 
8. An accessory dwelling unit shall meet all size, lot coverage and height 
requirements for accessory buildings, including the total area of the ADU 
shall not exceed 50 percent of the total under-roof footprint of the 
principal dwelling. 
9. A detached accessory dwelling unit shall meet setback requirements 
for accessory buildings. An attached accessory dwelling unit shall meet 
setback requirements for the principal dwelling. 
10. An accessory dwelling unit shall have no separate water or utility 
meters;.

11. An accessory dwelling unit shall have no separate address from the 
principal dwelling. 
12. An accessory dwelling unit shall have no separate driveway or parking 
area from that of the principal dwelling as provided in Section 35.4.006. 
13. Any ADU that is licensed as a travel vehicle by the State or any other 
State shall be considered nonpermanent housing and shall be allowed for 
uses similar to recreational vehicles as specified in this code. 
14. If presented for rent, , the property owner, which shall include title 
holders and contract purchasers, must occupy either the main dwelling or 
the ADU as their principal residence. The main dwelling or ADU that is not 
occupied by the property owner may then be rented for individual 
periods of more than or less than thirty consecutive days (i.e. long-term 
or short-term rental). If the main dwelling or ADU is not owner-occupied, 
the ADU may not be leased, subleased, or rented separate and apart from 
the main dwelling for either long-term or short-term periods. 
 
A. ACCESSORY DWELLING UNIT (ADU) 
1. ACCESSORY DWELLING UNIT AS DEFINED IN SECTION 35.8.004 AS AN ANCILLARY OR 
SECONDARY LIVING UNIT TO A SINGLE-FAMILY DETACHED DWELLING UNIT THAT HAS 
KITCHENETTE OR KITCHEN, BATHROOM, AND SLEEPING AREA, AND IS INDEPENDENTLY 
ACCESSED FROM AND LOCATED ON THE SAME LOT AS A SINGLE-FAMILY DETACHED DWELLING 
UNIT, EITHER WITHIN THE SAME BUILDING AS THE SINGLE-FAMILY DWELLING UNIT OR IN A 
DETACHED BUILDING. FOR PURPOSES OF DETERMINING MAXIMUM DENSITY, AN ACCESSORY 
DWELLING UNIT SHALL NOT COUNT AS A DWELLING UNIT. A KITCHENETTE IS DEFINED IN 
SECTION 35.8.004 AS AN AREA USED OR DESIGNED FOR THE PREPARATION OF FOOD AND 
CONTAINING A SINK, REFRIGERATOR AND AN ELECTRICAL OUTLET, WHICH MAY BE USED FOR A 
MICROWAVE OVEN BUT NO 220V OUTLET FOR A RANGE OR OVEN MAY BE PROVIDED.  
2. AN ACCESSORY DWELLING UNIT SHALL BE SUBJECT TO ZONING CLEARANCE AS REQUIRED IN 
SECTION 35.6.210 
3. ACCESSORY DWELLING UNIT IS PERMITTED USE WHERE THE ZONING ALLOWS FOR A SINGLE-
FAMILY DWELLING AND THE LOT OR PARCEL CONTAINS A PRIMARY DWELLING. AN ACCESSORY 
DWELLING UNIT IS NOT PERMITTED ON THE SAME LOT OR PARCEL AS A DUPLEX OR OTHER 
MULTIPLE FAMILY DEVELOPMENT REGARDLESS OF ZONING DISTRICT.  
4. NO ACCESSORY DWELLING UNIT SHALL BE CONSTRUCTED PRIOR TO THE CONSTRUCTION OF 
THE SINGLE-FAMILY DWELLING UNIT TO WHICH IT IS ACCESSORY. THE ACCESSORY DWELLING

UNIT SHALL BE SECONDARY IN SIZE AND FUNCTION TO THE PRIMARY DWELLING ON THE SAME 
LOT OR PARCEL. 
5. A MOBILE HOME, RECREATIONAL VEHICLE, OR OTHER MOVABLE HABITABLE SPACE SHALL 
NOT BE USED AS AN ACCESSORY DWELLING UNIT. 
6.ANY ACCESSORY DWELLING UNIT THAT IS LICENSED AS A TRAVEL VEHICLE BY THE STATE OR 
ANY OTHER STATE SHALL BE CONSIDERED NONPERMANENT HOUSING AND SHALL BE ALLOWED 
FOR USES SIMILAR TO RECREATIONAL VEHICLES AS SPECIFIED IN THIS CODE. 
7. ACCESSORY DWELLING UNITS SHALL NOT BE SOLD OR OTHERWISE CONVEYED SEPARATELY 
FROM THE PRIMARY DWELLING ON THE SAME LOT OR PARCEL. 
8. NO MORE THAN ONE ATTACHED ACCESSORY DWELLING UNIT AND ONE DETACHED 
ACCESSORY DWELLING UNIT PER SINGLE-FAMILY DWELLING LOT OR PARCEL. 
9. NO MORE THAN ONE ATTACHED ACCESSORY DWELLING UNIT AND TWO DETACHED 
ACCESSORY DWELLING UNITS IF THE SINGLE-FAMILY DWELLING LOT IS ONE ACRE OR MORE, 
BUT ONLY IF AT LEAST ONE OF THE ACCESSORY DWELLING UNITS IS A RESTRICTED-AFFORDABLE 
DWELLING UNIT.   
10. THE ACCESSORY DWELLING UNIT IS SUBJECT TO THE SAME SETBACK REQUIREMENTS THAT 
APPLY TO A SINGLE-FAMILY DWELLING ON THE SAME LOT OR PARCEL EXCEPT THAT: 
(I) 
THE REAR SETBACK FOR THE ACCESSORY DWELLING UNIT SHALL BE 
NO LESS THAN FIVE (5) FEET FROM THE PROPERTY LINE. 
 
(II) 
THE SIDE SETBACKS FOR THE ACCESSORY DWELLING UNIT SHALL BE 
NO LESS THAN FIVE (5) FEET FROM THE PROPERTY LINE.  
 
(III) 
THE FRONT SETBACK FOR THE ACCESSORY DWELLING UNIT SHALL BE 
NO LESS THAN THE FRONT YARD SETBACK ESTABLISHED BY THE 
ZONING DISTRICT FOR THE LOT OR PARCEL. 
11. ACCESSORY DWELLING UNITS SHALL ADHERE TO ALLOWABLE BUILDING FRONTAGE, 
MAXIMUM LOT COVERAGE, AND MAXIMUM HEIGHT AS ESTABLISHED BY THE ZONING DISTRICT 
FOR THE LOT OR PARCEL. 
12. ANY ACCESSORY DWELLING UNIT THAT IS CONSTRUCTED OFF-SITE IS CONSIDERED SEMI-
PERMANENT AND MUST BE PLACED ON AN APPROVED FOUNDATION SYSTEM. 
13. ACCESSORY DWELLING UNITS SHALL HAVE, AT A MINIMUN, A KITCHENETTE AS DESCRIBED 
IN SECTION 35.8.004, SPECIFIC DEFINTIONS. 
14.ACCESSORY DWELLING UNITS SHALL NOT CONFLICT WITH THE EXISTING ARCHITECTURAL 
CHARACTERISTICS OF THE DEVELOPED LOT OF PARCEL. THESE ARCHITECTURAL

CHARACTERISTICS DO NOT INCLUDE MATCHING THE EXTERIOR DESIGN, ROOF PITCH, AND 
FINISHING MATERIALS OF THE SINGLE-FAMILY DWELLING ON THE SAME LOT OR PARCEL.   
15.THE TOTAL SQUARE FOOTAGE FOR AN ACCESSORY DWELLING UNIT SHALL NOT EXCEED THE 
LESSER OF SEVENTY-FIVE PERCENT OF THE GROSS FLOOR AREA OF THE EXISTING SINGLE-FAMILY 
DWELLING ON THE SAME LOT OR PARCEL; OR ONE THOUSAND SQUARE FEET OF THE INTERIOR 
HABITABLE AREA. 
16. A SINGLE-FAMILY RESIDENCE THAT DOES NOT MEET CURRENT SETBACK REQUIREMENTS 
AND IS LEGALLY NON-CONFORMNG MAY CONSTRUCT AN ACCESSORY DWELLING UNIT THAT 
COMPLIES WITH ALL ACCESSORY DWELLING UNIT REQUIREMENTS.    
17. A NON-CONFORMING OR PERMITTED ACCESSORY STRUCTURE CONVERTED TO AN 
ACCESSORY DWELLING UNIT SHALL MEET ALL REQUIREMENTS FOR AN ACCESSORY DWELLING 
UNIT.  
18. AN ACCESSORY DWELLING UNIT SHALL HAVE NO SEPARATE ADDRESS FROM THE PRINCIPAL 
DWELLING. 
19. THE ACCESSORY DWELLING UNIT SHALL NOT ENCROACH UPON AN EXISTING OR PLANNED 
PUBLIC UTILITY EASEMENT UNLESS THE PROPERTY OWNER OBTAINS A WRITTEN CONSENT 
FROM EACH EASEMENT HOLDER AND EACH AFFECTED UTILITY. 
20. NO ADDITIONAL PARKING SPACE OR IN LIEU PARKING FEE SHALL BE REQUIRED TO 
ACCOMMODATE THE ACCESSORY DWELLING UNIT. AN ACCESSORY DWELLING UNIT SHALL HAVE 
NO SEPARATE DRIVEWAY OR PARKING AREA FROM THAT OF THE PRINCIPAL DWELLING AS 
DESCRIBED IN SECTION 35.4.006, RESIENTIAL OFF-STREET PARKING.  
21. ACCESSORY DWELLING UNITS SHALL COMPLY WITH ALL APPLICABLE RESIDENTIAL BUILDING 
CODES, FIRE CODES AND PUBLIC HEALTH AND SAFETY REGULATIONS. 
22. IF PRESENTED FOR RENT, THE PROPERTY OWNER, WHICH SHALL INCLUDE TITLE HOLDERS 
AND CONTRACT PURCHASERS, MUST OCCUPY EITHER THE MAIN DWELLING OR THE ACCESSORY 
DWELLING UNIT AS THEIR PRINCIPAL RESIDENCE. THE MAIN DWELLING OR ACCESSORY 
DWELLING UNIT THAT IS NOT OCCUPIED BY THE PROPERTY OWNER MAY THEN BE RENTED FOR 
INDIVIDUAL PERIODS OF MORE THAN OR LESS THAN THIRTY CONSECUTIVE DAYS (I.E. LONG-
TERM OR SHORT-TERM RENTAL).  
23.IF THE MAIN DWELLING OR ACCESSORY DWELLING UNIT IS NOT OWNER-OCCUPIED, THE 
ACCESSORY DWELLING UNIT MAY NOT BE LEASED, SUBLEASED, OR RENTED SEPARATE AND 
APART FROM THE MAIN DWELLING FOR EITHER LONG-TERM OR SHORT-TERM PERIODS. THE 
RESIDENCY REQUIREMENT DOES NOT APPLY TO PROPERTY OWNERS WHO DEMONSTRATE THEY 
HAD A LEGAL RIGHT TO BUILD AN ACCESSORY DWELLING UNIT ON THEIR LOT OR PARCEL ON OR 
BEFORE SEPTEMBER 14, 2024, UNLESS THE THREE-YEAR STATUTE OF LIMITATIONS IN A.R.S. § 
12-1134(G) HAS EXPIRED. LONG-TERM RENTAL FOR ACCESSORY DWELLING UNITS SHALL MEAN

RENTAL USE IN WHICH THE TENANT HOLDS A LEASE OF NINETY CONSECUTIVE DAYS OR LONGER 
OR ON A MONTH-BY-MONTH BASIS. 
24. A LOT OR PARCEL CONTAINING AN ACCESSORY DWELLING UNIT SHALL NOT BE SUBDIVIDED 
OR SPLIT INTO TWO OR MORE LOTS OR PARCELS UNLESS EACH LOT OR PARCEL COMPLIES WITH 
ALL CITY CODES AND ORDINANCES AS SUCH THE ENTIRE ACCESSORY DWELLING UNIT SHALL 
REMAIN ON ONE LOT ONLY. FOR AN EXISTING ACCESSORY DWELLING UNIT TO REMAIN ON THE 
NEW LOT OR PARCEL CREATED BY SUBDIVISION, THE PROPERTY OWNER MUST MODIFY THE 
PRIMARY DWELLING AND THE ACCESSORY DWELLING UNIT OF THE SUBDIVIDED LOTS TO 
COMPLY WITH CITY CODES AND ORDINANCES, INCLUDING PROVIDING SEPARATE UTILITY 
CONNECTIONS TO EACH DWELLING UNIT AND OBTAINING A NEW CERTIFICATION OF 
OCCUPANCY FOR EACH DWELLING UNIT AS REQUIRED BY THE BUILDING OFFICIAL PRIOR TO THE 
RECORDING THE SUBDIVISION OR LOT SPLIT OF THE PROPERTY. THE ACCESSORY DWELLING 
UNIT THAT REMAINS ON THE NEW LOT OR PARCEL SHALL BE CONSIDERED AND RECORDED AS 
THE PRIMARY DWELLING, UNLESS A NEW PRIMARY DWELLING UNIT IS CONSTRUCTED ON THE 
NEW LOT OR PARCEL. 
REGULATIONS FOR RESTRICTED AFFORDABLE ACCESSORY DWELLING UNIT 
(A) DEED RESTRICTION  
(1) THE OWNER OF A PROPOSED RESTRICTED-AFFORDABLE DWELLING UNIT THAT IS SUBJECT TO 
THIS SECTION SHALL EXECUTE AND DELIVER AN ORIGINAL RECORDED COPY OF A DEVELOPMENT 
AGREEMENT WITH THE CITY OR A COPY OF THE STANDARD FORM OF DEED RESTRICTION WITH 
MARICOPA COUNTY ASSESSOR OFFICE TO THE CITY PRIOR TO ISSUANCE OF A BUILDING PERMIT 
FOR THE CONSTRUCTION OF THE PROPOSED RESTRICTED-AFFORDABLE DWELLING UNIT ON THE 
LOT OR PARCEL.  
(2) THE DEED RESTRICTION SHALL BE RECORDED BY THE OWNER OF THE LOT BURDENED THEREBY 
IN THE PROPERTY RECORDS OF MARICOPA COUNTY RECORDER’S OFFICE AND REMAIN A 
COVENANT AND RESTRICTION RUNNING WITH THE PROPERTY FOR A MINIMUM PERIOD OF 
THIRTY (30) YEARS.  
(B) AFFORDABILITY 
THE RENT OF THE RESTRICTED-AFFORDABLE DWELLING UNIT SHALL NOT EXCEED THE MAXIMUM 
RENTS ESTABLISHED ACCORDING TO HOUSEHOLDS EARNING UP TO EIGHTY PERCENT OF AMI 
(AREA MEDIAN INCOME). THE RESTRICTED-AFFORDABLE DWELLING UNIT SHALL NOT BE RENTED 
TO ANY ENTITY.  
(C) OCCUPANCY REQUIREMENT    
(1)  WHEN THE RESTRICTED-AFFORDABLE DWELLING UNIT BECOMES VACANT, THE OWNER SHALL 
PROMPTLY MAKE IT AVAILABLE AND ACTIVELY MARKET SAID UNIT FOR LEASE TO ANOTHER

QUALIFIED OCCUPANT IN ACCORDANCE WITH THE DEED RESTRICTION OR DEVELOPMENT 
AGREEMENT AND ANY RENTAL GUIDELINES ADOPTED BY THE CITY.  
(2) IN THE EVENT THE INCOME STATUS OF THE OCCUPANT OF THE RESTRICTED-AFFORDABLE 
DWELLING UNIT IS ALTERED SO AS TO NO LONGER MEET THE QUALIFICATIONS OF THIS SECTION, 
SAID OCCUPANT SHALL BE PERMITTED TO RESIDE IN THE UNIT UNDER THE SAME TERMS AND 
CONDITIONS OF THE UNIT LEASE, EXCEPT THAT NO EXTENSION OF THE LEASE TERM SHALL BE 
GRANTED.  
(3) RENTAL SHALL BE IN COMPLIANCE WITH ALL FAIR HOUSING REGULATIONS  
(E) REPORTING REQUIREMENT   
THE OWNER OF THE RESTRICTED-AFFORDABLE DWELLING UNIT SHALL PROVIDE AN ANNUAL 
REPORT AND PROOF TO THE CITY TO DEMONSTRATE COMPLIANCE WITH THE RENTAL 
REQUIREMENTS SET FORTH IN THIS SECTION. THE ANNUAL REPORT SHALL BE SUBMITTED TO THE 
DIRECTOR OF COMMUNITY SERVICES OR DESIGNEE BETWEEN JANUARY 15 AND JANUARY 30 OF 
EACH YEAR AND SHALL COVER THE ENTIRE TWELVE (12) MONTH PERIOD OF THE PRECEDING 
CALENDAR YEAR. SAID REPORT SHALL CONTAIN, AT A MINIMUM:  
(1) THE PERIOD(S) THE RESTRICTED-AFFORDABLE DWELLING UNIT WAS RENTED AND THE STATUS 
BY WHICH ITS OCCUPANT(S) QUALIFIED UNDER THE DEED RESTRICTION; 
(2) THE MONTHLY RENTAL PRICE; AND  
(3) THE TAXES, SPECIAL ASSESSMENTS, AND HOMEOWNERS’ ASSOCIATION AND MANAGEMENT 
FEES, AND ANY OTHER FEES OR CHARGES, INCLUDING COMMON UTILITIES, ASSESSED TO EACH 
UNIT. 
 
35.8.004 Specific Definitions 
Accessory Dwelling Unit: An ancillary or secondary living unit to a single-family detached dwelling 
unit that has a KITCHENETTE OR kitchen, bathroom, and sleeping area, and is independently 
accessed from and located on the same lot as a single-family detached dwelling unit, either within 
the same building as the single-family dwelling unit or in a detached building. For purposes of 
determining maximum density, an accessory dwelling unit shall not count as a dwelling unit.