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September 25, 2024 S2021010 Page 1 of 1 Report to the Board of Supervisors Prepared by the Maricopa County Planning and Development Department Board Hearing Date: September 25, 2024 Case #/Title: S2021010 – White Tank Vistas Supervisor District: 4 Applicant/Owner: Joshua Robinson, Colliers Engineering & Design / Mattamy Arizona, LLC Request: Final Plat for 243 residential lots and 20 tracts in the R1-6 RUPD zoning district Site Location: Generally located at the NEC of 195th Ave. and Northern Ave. in the Buckeye area Site Size: Approximately 108 acres County Island Status: Yes (Surprise and Buckeye) Additional Comments: Staff considers this final plat to be in substantial conformance with the approved preliminary plat of White Tank Vistas (S2020017), which was extended via S2023016. There is an ADWR Certificate associated with this final plat and is certified under 27- 701175.0000. The final plat meets all applicable subdivision regulations of the R1- 6 RUPD zoning district, as established via Z2018051. Recording fees will be furnished at the time of plat recordation. All requirements of the Maricopa County Department of Transportation, the Maricopa County Environmental Services Department, the Flood Control District of Maricopa County, and the Drainage Review Division of the Maricopa County Planning and Development Department have been met. Recommendation: Approval Presented by: Joseph Mueller, Planner Reviewed by: Darren Gérard, AICP, Planning Manager Attachments: Case Map (1 page) Letter to the Board of Supervisors (1 page) Reduction of Final Plat (14 pages) Narrative Report & attachments (28 pages) / Maricopa County Planning & Development - Phoenix, AZ 4 Gross Acres: 108 approx. Generated September 3, 2024 12:27 PM S2021010 Application Name: Legal Description Applicant Case Address Project Coordinator Applicant Phone/Email Parcel Primary: 6024900535 hwprojects@hilgartwilson.com Map scale 1:6,373 Supervisor District No. White Tank Vistas EDR White Tank Vistas HILGARTWILSON, LLC 2141 E. Highland Ave, Suite 250 Phoenix, Arizona 85016 Phone: 602-490-0535 March 04, 2021 Maricopa County Board of Supervisors 301 W. Jefferson, 10th Floor Phoenix, AZ 85003 RE: Final Plat for White Tank Vistas HILGARTWILSON Project No.: 1821.03 Dear Board, This letter is to request the approval of the Final Plat for White Tank Vistas. The above referenced Final Plat is being developed by: JEN ARIZONA 36, LLC 2222 West Pinnacle Peak Road, Suite 140 Phoenix, AZ 85027 The plat was prepared by: HilgartWilson, LLC RLS# 19344: Kirk J. Pangus The project is not within 3 miles of any Town or City. Thank you, Joshua Robinson, P.E. Respectfully submitted, HILGARTWILSON, LLC LOCATED WITHIN A PORTION OF THE SOUTHWEST QUARTER OF SECTION 33, TOWNSHIP 3 NORTH, RANGE 2 WEST OF THE GILA AND SALT RIVER MERIDIAN, MARICOPA COUNTY, ARIZONA (R1-6 RUPD ZONING DISTRICT) CASE # S2021010 "WHITE TANK VISTAS" FINAL PLAT FOR P: 602.490.0535 / F: 602.368.2436 www.hilgartwilson.com 2141 E. HIGHLAND AVE., STE. 250 PHOENIX, AZ 85016 08/07/2024 “ ” ” ” P: 602.490.0535 / F: 602.368.2436 www.hilgartwilson.com 2141 E. HIGHLAND AVE., STE. 250 PHOENIX, AZ 85016 “ ” “ ” 08/07/2024 P: 602.490.0535 / F: 602.368.2436 www.hilgartwilson.com 2141 E. HIGHLAND AVE., STE. 250 PHOENIX, AZ 85016 08/07/2024 P: 602.490.0535 / F: 602.368.2436 www.hilgartwilson.com 2141 E. HIGHLAND AVE., STE. 250 PHOENIX, AZ 85016 08/07/2024 P: 602.490.0535 / F: 602.368.2436 www.hilgartwilson.com 2141 E. HIGHLAND AVE., STE. 250 PHOENIX, AZ 85016 08/07/2024 P: 602.490.0535 / F: 602.368.2436 www.hilgartwilson.com 2141 E. HIGHLAND AVE., STE. 250 PHOENIX, AZ 85016 08/07/2024 P: 602.490.0535 / F: 602.368.2436 www.hilgartwilson.com 2141 E. HIGHLAND AVE., STE. 250 PHOENIX, AZ 85016 08/07/2024 P: 602.490.0535 / F: 602.368.2436 www.hilgartwilson.com 2141 E. HIGHLAND AVE., STE. 250 PHOENIX, AZ 85016 08/07/2024 P: 602.490.0535 / F: 602.368.2436 www.hilgartwilson.com 2141 E. HIGHLAND AVE., STE. 250 PHOENIX, AZ 85016 08/07/2024 P: 602.490.0535 / F: 602.368.2436 www.hilgartwilson.com 2141 E. HIGHLAND AVE., STE. 250 PHOENIX, AZ 85016 08/07/2024 P: 602.490.0535 / F: 602.368.2436 www.hilgartwilson.com 2141 E. HIGHLAND AVE., STE. 250 PHOENIX, AZ 85016 08/07/2024 P: 602.490.0535 / F: 602.368.2436 www.hilgartwilson.com 2141 E. HIGHLAND AVE., STE. 250 PHOENIX, AZ 85016 08/07/2024 = P: 602.490.0535 / F: 602.368.2436 www.hilgartwilson.com 2141 E. HIGHLAND AVE., STE. 250 PHOENIX, AZ 85016 08/07/2024 P: 602.490.0535 / F: 602.368.2436 www.hilgartwilson.com 2141 E. HIGHLAND AVE., STE. 250 PHOENIX, AZ 85016 08/07/2024 1 WHITE TANK VISTAS FINAL PLAT NARRATIVE White Tank Vistas S2021010 NWC Northern Ave and 191st Avenue Maricopa County, Arizona Prepared for: JEN Arizona 36 LLC 2222 W. Pinnacle Peak Road, Suite #140 Phoenix, Arizona 85027 Telephone: 602-679-8013 Contact: Mike Cronin Prepared by: HILGARTWILSON, LLC 2141 East Highland Avenue, Suite 250 Phoenix, AZ 85016 Telephone: 602.490.0535 Fax: 602.368.2436 Contact: Josh Robinson, P.E. Submittal Date: March 5, 2021 Second Submittal: March 30, 2023 2 WHITE TANK VISTAS FINAL PLAT NARRATIVE 1.0 PURPOSE OF REQUEST .................................................................................................................... 3 2.0 INTRODUCTION ................................................................................................................................. 3 3.0 DESCRIPTION OF PROPOSAL ........................................................................................................... 4 4.0 RELATIONSHIP TO SURROUNDING PROPERTIES ........................................................................... 4 5.0 LOCATION AND ACCESSIBILITY ....................................................................................................... 4 6.0 CIRCULATION SYSTEMS ................................................................................................................... 5 7.0 DEVELOPMENT SCHEDULE ............................................................................................................. 5 8.0 COMMUNITY FACILITIES AND SERVICES ........................................................................................ 6 8.1 Schools ......................................................................................................................................... 6 8.2 Police and Fire Protection ............................................................................................................ 6 9.0 PUBLIC UTILITIES AND SERVICES ................................................................................................... 6 9.1 Water Facilities ............................................................................................................................. 6 9.2 Wastewater Facilities ................................................................................................................... 6 9.3 Drainage Management ................................................................................................................ 7 Figures Figure 1 – Vicinity Map Figure 2 – Plat Boundary Summary Figure 3 – Fire District Will Serve Letter Figure 4 – ADWR Certificate of Assured Water Supply Figure 5 – EPCOR Sewer Capacity Letter Figure 6 – Zoning Approval Letter Figure 7 – Preliminary Plat Approvel Letter 3 WHITE TANK VISTAS FINAL PLAT NARRATIVE 1.0 PURPOSE OF REQUEST This application is being filed on behalf of the property owner, JEN Arizona 36 LLC, in order to start the process of developing 243 lots within a 108-acre single-family subdivision named White Tank Vistas (referred to Project going forward). The request includes a range of lot widths and sizes, and has been organized to maximize the natural open space and drainage patterns. This Final Plat Narrative complied with approved Preliminary Plat (S20210017) and Rezoning (Case#Z2018051). 2.0 INTRODUCTION The Project is located at the northwest corner of 191st Avenue and Northern Avenue in the unincorporated portion of Maricopa County, Arizona. The Project is inclusive of two Parcel Numbers: 502-09-001Q and 502-09-011T within the west half of Section 33, Township 3 North, Range 2 West of the Gila and Salt River Meridian. Refer to Figure 1 – Vicinity Map for location of Project. The Rezoning was approved and adopted by the Board of Supervisors on November 28, 2018. The Project has had a number of preliminary reviews through Maricopa County Planning and Development under a different ownership, so a pre-app meeting was not warrented. A preliminary plat for the Project (S2020017) was approved by Planning and Zoning Commisson on January 14, 2021. The residential lots proposed in the Final Plat shall be in substantial conformance with the approved preliminary plat as well as in conformance with the approved R1-6 RUPD zoning district regulations outlined within approved rezoning document: Single Family Residential – R1-6 RUPD Max No. Lots 260 Max Density 2.36 d.u./ac. Minimum Lot Width 50’ (max of 33% of lots less than 60’ width, with min of 40 lots at 90’ width. No lots less than 90’ width within 360’ of the Sonoran Ridge Estates Boundary Minimum Open Space 37.5 acres * Max Height 30’ / 2 stories (max 50% of lots can be 2 stories) Minimum Dwelling Size 1,750 sf livable floor area for 33% of the units, but larger for other units. Front yard 20’ to front facing garage Side yard 5’ 4 WHITE TANK VISTAS FINAL PLAT NARRATIVE Street-side yard 10’ Rear yard 25’ Lot area per dwelling unit 6,000 sq. ft. Lot coverage 50% *Minimum open space: 37.5 acres (this common space to be landscaped only with indigenous plant species). This shall include a minimum 150’ wide tract for natural open space along the boundary between White Tank Vista and Sonoran Ridge Estates. Major wash corridors (along the eastern boundary and bisecting from northwest to south-central) shall be set aside as natural open space with tract width determined by the 100-year flood water surface elevation plus one foot of free-board. 3.0 DESCRIPTION OF PROPOSAL The proposed Final Plat for White Tank Vistas will create a total of 243 single-family residential lots. The Project will offer three lot widths: 50, 60, and 90 feet at an overall density of 2.25 du/gross acre. The development will offer a variety of open space areas that will add to the housing options available in the area and enhance employment attractiveness with a quality living environment. The uniquely shaped site has topographic constraints, but the overall design approach creates a more naturally scenic environment. This will include adequate open space for onsite retention, landscape buffers from the adjacent right-of-way, and landscape tracts adjacent to all corner lots, as well as open space corresponding to natural washes. The proposed signage and walls will be consistent with the character of the surrounding area, while complying with the Sign Regulations of the County. The Project will include proposed theme walls, which will include privacy walls, view fences, combination privacy/view walls, and retaining walls. Due to the overall size of the lots, retaining walls will be minimized and will only be utilized for varying conditions to enable grade transitions. Wall types will be dependent on the location within the Project and site conditions. 4.0 RELATIONSHIP TO SURROUNDING PROPERTIES The Project currently consists of undeveloped desert land within unincorporated Maricopa County that is bound by Sonoran Ridge Estates, a low density 153 lot residential development, to the north; the Beardsley Canal Wash to the east, the Northern Avenue alignment to the south, and undeveloped desert land to the west. The undeveloped desert land located south of the Northern Avenue alignment, as well as west of the Project, are owned by Arizona State Land. Located adjacent to that is the White Tank Mountain Regional Park, which offers great hiking trails and connectivity to the White Tank Mountains. With its location adjacent to the White Tank Mountain Regional Park, the landscaping along the exterior of the site will consist of a plant palette that will complement the natural Sonoran Desert setting. 5 WHITE TANK VISTAS FINAL PLAT NARRATIVE 5.0 LOCATION AND ACCESSIBILITY The White Tank Vistas development is planned on the suburban fringe west of Loop 303, near White Tank Mountain Regional Park. The area is currently vacant land, with a Northern Avenue gravel road. In order to get access to the Project, Northern Avenue will need to be extended from Perryville Road. From there, the community will take access in two locations. Northern Avenue will provide convenient access to the Loop 303 and Interstate 10. The ultimate roadway section will be consistent with Maricopa County Department of Transportation’s (MCDOT’s) Urban Minor Arteria. Due to the current nature of the roadway, its level of service will remain low upon completion of the Project so only half street improvements are warrented at this time. Upon build out of the site, it is only anticipated approximately 241 peak trips will be generated. All emergency access points and street dimensions have been provided for review and approval of this Project. All-weather access will be provided to all residential areas of the Project. Local roadways will use a 50-foot right of way consisting of 28-feet of asphalt pavement with a two-foot concrete roll curb on each side. Eight-foot public utility easements (PUE's) shall be provided on each side of the concrete curbs along the front yards of the homes. Refer to the traffic impact study under separate cover to this narrative. Due to the topographic conditions and constraints, the property will have a significant amount of open space (approximately 41%). The open space is intended to be utilized to maintain the existing desert rugged appeal of the area. There are several washes that will continue to flow through the property that will maintain the existing vegetation and landscaping. In addition to that, the developer will include pedestrian walkways and passages that interconnect through out the site, linking the individual subdivions together as well as the adjacent State Land. 6.0 CIRCULATION SYSTEM The roadway within the Project will be public and maintained by the municipality. The roadway will provide a minimum of 50’ right of way with a paved width of 32.16’. The primary points of access will be located along the south side of the development off Northern Avenue. The offsite improvements will consist of Northern Avenue and Jackrabbit Trail. Northern Avenue will be improved to an Urban Minor Arterial, consisting of a total right of way width of 130’. The development of this project is only responsible for constructing the northern half street portion, which consists of 36.5-feet paved section and 65-feet of right of way. In addition, on going conversations are taking place with Maricopa County Flood Control District and Maricopa County Water District on obtaining the necessary right of way in order to extend Northern Avenue improvements to Perryville Road. Jackrabbit Trail will adhere to the Maricopa County Corridor Improvement Study between Queen Creek Road to Peoria Avenue. This utlitmate section consists of a 130-foot right of way, a 14-foot wide median, and 43.5-feet of pavement. The extent of any improvements for Jackrabbit Trail will be coordinated with MCDOT at the time of final plat and improvement plan approval for White Tank Vistas. 6 WHITE TANK VISTAS FINAL PLAT NARRATIVE 7.0 DEVELOPMENT SCHEDULE White Tank Vistas is planned to be developed as one phase, starting in the first quarter of 2024. Due to the projects location, offsite improvements along Northern Avenue are anticipated to start first, followed by on-site mass grading. The commencement of mass grading will be dependent upon the acquisition of right of way from the Flood Control District and Maricopa Water District. 8.0 COMMUNITY FACILITIES AND SERVICES There are no parks, libraries or schools proposed for the Project. The increase in dwelling units will not increase the need for additional school facilities in the area. 8.1 SCHOOLS The existing school district surrounding the Project is Dysart Unified School District #89. 8.2 POLICE AND FIRE PROTECTION The Project is located within the Maricopa County Sherriff’s Office (MCSO) service area. The closest MCSO station is located at 13063 West Bell Road Surprise, Arizona 85378. The Project is located within the Rural Metro Fire District service area for fire and ambulance service. The closest Rural Metro fire and emergency station is located at 16805 W. Olive Ave, Waddell, AZ 85355. 9.0 PUBLIC UTILITIES AND SERVICES Utility services will be available for the Project. A Utility Commitment Table is provided below listing each of the utility providers: Utility Commitment Table Utility Provider Water EPCOR Wastewater EPCOR Telephone Cox Refuse Private Contractor Electric APS 9.1 WATER FACILITIES White Tank Vistas is currently in the service area of the City of Buckeye. HILGARTWILSON and JEN Arizona LLC are currently working towards an agreement with Buckeye and EPCOR to designate EPCOR as the provider. An approved CCN will be in place prior to Final Plat approval. An 8 inch looped system is proposed throughout the Project, and stubbed out to Northern Avenue for a future connection. In order for EPCOR to take ownership of the water 7 WHITE TANK VISTAS FINAL PLAT NARRATIVE system, additional improvements will be required within Olive Avenue. We are currently working with EPCOR on extending their existing 16-inch line at Perryville Road and Olive Avenue. In addition to the extension within Olive Avenue, two 12-inch laterals will connect to the existing utilities within the Sonoran Ridge Estates Community. This will allow the White Tank Vistas community to have a looped system that meets EPCOR’s peak flow demands. Plans are currently under review and we exspect approval mid-2021. 9.2 WASTEWATER FACILITIES White Tank Vistas is currently not being served by a utility provider. HILGARTWILSON and JEN Arizona LLC are currently working through a MAG 208 Amendment with EPCOR that will ultimately provide the site service through EPCOR. The wastewater facility will consist of a network of 8-inch gravity mains that will collect wastewater throughout the Project and generally route flows to the south east of the development. From there, a 15-inch gravity sewer main will be constructed within Northern Avenue and ultimately connect to an existing 15-inch line located at Northern Ave and Cotton Lane. 9.3 DRAINAGE MANAGEMENT The Project is located within Flood Hazard Zone X, and AE as shown on the FEMA Flood Insurance Rate Map (FIRM) 04013C1665L dated October 16, 2013. A small area along the eastern portion of the development remains encumbered by flood hazard zone AE, so a Conditional Letter of Map Revision (CLOMR) will be processed shorlty and ultimately approved by FEMA priot to Final Construction Document approval. A LOMR will be processed once construction is completed and as-built. At that time the remaining lots will no longer be encumbered by the AE flood hazard zone. The proposed development within the Project will be accomplished in a manner that minimizes impacts to the existing drainage patterns through the site. The Project will be developed in way that flow paths are either directed to a single concentration point within the street or to a swale located within a tract. From there, the flows are captured in a catch basin and conveyed via storm drain pipe and swale to a first flush retention basin. A Final Drainage Report has been submitted under separate cover as part of this application. 8 WHITE TANK VISTAS FINAL PLAT NARRATIVE FIGURES 303 AZ W. OLIVE AVE W. NORTHERN AVE W. GLENDALE AVE W. CAMELBACK RD W. INDIAN SCHOOL RD W. CACTUS RD W. WADDELL RD W. BELL RD N LITCHFIELD RD WHITE TANK REGIONAL PARK WHITE TANK VISTAS N JACKRABBIT TRAIL N PERRYVILLE RD N CITRUS RD BUCKEYE SURPRISE GOODYEAR W. GREENWAY RD N REEMS RD N COTTON LN N EL MIRAGE RD N BULLARD AVE © Copyrighthilgartwilson2013ThisplandocumentsetisthesolepropertyofhilgartwilsonNoalterationstotheseplansotherthanadding"asbuilt"informationarealowedbyanyone U:\1800\1821\1821.03 JEN Arizona 36 LLC\REPORTS\PLAT NARRATIVE\Narrative Figures\1821 - FIG 1 Vicinity-Map.dwg 7/28/2020 1:39:24 PM JULY, 2020 Project Number: 1821 Project Manager: J. ROBINSON Designed By: N/A Graphics By: HW Drawn By: HW North 6,000' Scale: 1" = 6000' 0 3,000' 12,000' 1,500' WHITE TANK VISTAS MARICOPA COUNTY, ARIZONA FIGURE 1 - VICINITY MAP P: 602.490.0535 / F: 602.368.2436 www.hilgartwilson.com 2141 E. HIGHLAND AVE., STE. 250 PHOENIX, AZ 85016 Contact Arizona 811 at least two full working days before you begin excavation CALL 811 or click Arizona811.COM 9 WHITE TANK VISTAS FINAL PLAT NARRATIVE FIRE DISTRICT WILL SERVE LETTER 10 WHITE TANK VISTAS FINAL PLAT NARRATIVE ADWR ASSURED WATER SUPPLY CERTIFICATE 11 WHITE TANK VISTAS FINAL PLAT NARRATIVE EPCOR SEWER CAPACITY LETTER :HVW3LQQDFOH3HDN5RDG6XLWH 3KRHQL[$=86$ HSFRUFRP $XJXVW -RVKXD5RELQVRQ +LOJDUW:LOVRQ (+LJKODQG$YH6WH 3KRHQL[$= 6XEMHFW :KLWH7DQN9LVWDV6HZHU&DSDFLW\/HWWHU 7KHUHVLGHQWLDOGHYHORSPHQW³:KLWH7DQN9LVWDV´ZLOOEHORFDWHGDWWKHQRUWKHDVWFRUQHURI1RUWKHUQ$YHQXH DQGWKH-DFNUDEELW7UDLO WK$YHQXH DOLJQPHQWLQXQLQFRUSRUDWHG0DULFRSD&RXQW\$UL]RQD7KLV GHYHORSPHQWZLOOFRQVLVWRIRQHSKDVHZLWKVLQJOHIDPLO\UHVLGHQFHV:DVWHZDWHUIURP:KLWH7DQN 9LVWDVZLOOEHFRQYH\HGWR(3&25¶V/XNH:DWHU5HFODPDWLRQ)DFLOLW\ ³)DFLOLW\´ IRUWUHDWPHQW,Q DFFRUGDQFHZLWK$UL]RQD$GPLQLVWUDWLYH&RGH5 (&DQGWKHDGGLWLRQDOYROXPHRIZDVWHZDWHU IURP:KLWH7DQN9LVWDVWKDWZLOOEHFRQYH\HGWRWKH)DFLOLW\ZLOOQRWFDXVHDQ\IORZOLPLWVWREHH[FHHGHGRU HIIOXHQWTXDOLW\OLPLWVWREHH[FHHGHGSHUWKHLQGLYLGXDOSHUPLWIRUWKH)DFLOLW\)XUWKHUPRUHWKHDGGLWLRQDO YROXPHRIZDVWHZDWHUZLOOQRWFDXVHWKHGHVLJQIORZRIWKH)DFLOLW\WREHH[FHHGHG 7KHSURSRVHGVHZDJHFROOHFWLRQV\VWHPIRU:KLWH7DQN9LVWDVZLOOFRQYH\ZDVWHZDWHUWRDGRZQVWUHDP VHZDJHFROOHFWLRQV\VWHPRZQHGE\(3&25:DWHU$UL]RQD,QF7KHGRZQVWUHDPV\VWHPFDQPDLQWDLQWKH SHUIRUPDQFHUHTXLUHGE\$UL]RQD$GPLQLVWUDWLYH&RGH5 (%ZKHQUHFHLYLQJWKHLQFUHDVHGIORZV 7KLVOHWWHULVQRWDUHVHUYDWLRQRUFRPPLWPHQWRIWUHDWPHQWRUFRQYH\DQFHFDSDFLW\IRUZDVWHZDWHUVHUYLFH IRU:KLWH7DQN9LVWDV7KLVOHWWHUVLPSO\FRQILUPVWKDWWKHDERYHVWDWHGFDSDFLW\H[LVWVDVRIWKHGDWHRIWKLV OHWWHU7KHSURMHFWHGZDVWHZDWHUIORZIURP:KLWH7DQN9LVWDVLVDFFRXQWHGIRULQ(3&25¶VZDVWHZDWHUIORZ SURMHFWLRQVDQGLQ(3&25¶VVFKHGXOHIRUH[SDQGLQJWKHWUHDWPHQWFDSDFLW\RIWKH)DFLOLW\ (3&25¶VSURYLVLRQRIZDVWHZDWHUVHUYLFHIRU:KLWH7DQN9LVWDVLVFRQWLQJHQWXSRQWKH$UL]RQD&RUSRUDWLRQ &RPPLVVLRQJUDQWLQJDQH[WHQVLRQRIWKH/XNH:DVWHZDWHU'LVWULFWWRLQFOXGH:KLWH7DQN9LVWDVDQG XSRQWKH0DULFRSD$VVRFLDWLRQRI*RYHUQPHQWV ³0$*´ DSSURYDOIRUH[SDQVLRQRI(3&25¶VGHVLJQDWHG 0$*DUHDWRLQFOXGH:KLWH7DQN9LVWDV ,I\RXKDYHDQ\TXHVWLRQVRUQHHGDQ\IXUWKHULQIRUPDWLRQSOHDVHFRQWDFWPHDWRUDW %)LQNH#HSFRUFRP (3&25:DWHU$UL]RQD,QF %UDG)LQNH3( (QJLQHHULQJ0DQDJHU 12 WHITE TANK VISTAS FINAL PLAT NARRATIVE Z2018051 APPROVAL LETTER 13 WHITE TANK VISTAS FINAL PLAT NARRATIVE S2020017 APPROVAL LETTER