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Maricopa County

ADUs Decisions in Maricopa County

How adus requests are decided across Maricopa County, AZ council meetings, the vote and the conditions on the record

Meetings
3
Mentions
14
Last Detected
Mar 5, 2026
Year
2026

ADUs is one of the most actively tracked zoning topics in Maricopa County, AZ. ZoneWire has analyzed 3 council meetings and detected 14 instances of adus activity. Below are the most recent discussions.

What is Accessory Dwelling Unit (ADU)?

A secondary, smaller residential unit on the same lot as a primary dwelling, such as a backyard cottage or garage apartment.

An Accessory Dwelling Unit (ADU) is a secondary housing unit located on the same parcel as a primary single-family residence. ADUs go by many names - granny flats, in-law suites, backyard cottages, garage apartments, or casitas - but they all share the common characteristic of being smaller, subordinate residential units that share a lot with the main house.

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ADUs in Maricopa County, AZ

A secondary, smaller residential unit on the same lot as a primary dwelling, such as a backyard cottage or garage apartment. In Maricopa County, AZ, local government bodies regularly discuss adus as part of zoning and land use decisions.

ZoneWire has analyzed 3 meetings in Maricopa County and detected 14 mentions of adus, an average of 4.7 mentions per meeting.

No material zoning changes in Maricopa County in the last 30 days. We monitor every Maricopa County, AZ meeting and surface new opportunities here as they happen.

Recent ADUs meetings in Maricopa County

March 5, 20263h 17m30,384 words
158zoningspecial use permitindustrialrezoningland use
Agenda available
February 12, 20261h 9m10,325 words
135public hearingapprovedvarianceresidentialsetback
Agenda available
January 7, 202659m8,560 words
115public hearingapprovedmotion to approvesetbackzoning
Agenda available

Why Track ADUs?

ADU policy has become one of the most active areas of zoning reform nationwide. States like California, Oregon, and Washington have passed legislation overriding local restrictions on ADUs, making them a by-right use in most residential zones. Common regulatory changes include eliminating owner-occupancy requirements, reducing parking mandates, and allowing ADUs on any residential lot.

ADUs Regulations in Arizona

Arizona sets the regulatory framework that governs how adus decisions are made at the county and municipal level. State statutes define zoning authority, hearing requirements, and appeal processes that directly affect adus outcomes in Maricopa County.

View all Arizona zoning activity

Every ADUs decision in Maricopa County

See how every adus request in Maricopa County was decided: the vote, the conditions attached, and how it moved through its hearings.

See ADUs decisions in Maricopa County, AZ

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ADUs in Other Counties

Clark CountyMiami-Dade CountyMecklenburg CountyBexar CountyNashville-Davidson CountyFulton CountyRiverside CountyOrange CountyTarrant CountyAustinKing CountyHillsborough CountyColumbusDenverBostonMilwaukeeSan FranciscoDallasSan Diego CountyBroward CountyPortland MetroSan JosePrince George's CountyChicagoMaui CountyHawaii CountyCharlotteSalt Lake CityHoustonSacramentoJacksonvilleBaltimoreLos AngelesLos Angeles CountyLas VegasLouisvilleHennepin CountyPolk CountyDouglas CountyRamsey CountyDakota CountyMartin CountyJuneauHuntsvilleMobileMesaPhoenixSanta Cruz CountyButte CountyFontanaFresnoLong BeachOaklandRancho CordovaSan DiegoSanta ClaraNapa CountySan Mateo CountyLovelandPueblo CountyNorwalkCitrus CountyMiamiLake CountyPasco CountyPinellas CountySt. Lucie CountyCobb CountyCook CountyOverland ParkWyandotte CountyLivoniaOakland CountyWillmarSpringfieldGulfportMissoula CountyJacksonvilleBismarckJersey CityHillsborough TownshipAlbuquerqueWestchester CountyTulsaTulsa CountyPortlandDeschutes CountyAllentownProvidenceGreenvilleLancaster CountyMinnehaha CountyFranklinBrazoria CountyCollege StationColleyvilleFort WorthLeanderMansfieldSan AntonioSugar LandSalt Lake CountyChesterfield CountyHanover CountySpotsylvania CountyStafford CountySeattleSnohomish CountyGreen BayCharlestonLoudoun CountyPrince William CountyFairfax CountyMemphisLaramie CountyNew AlbanyCoweta CountyEagle MountainStorey CountyNewton CountyMount PleasantPort WashingtonSt. Joseph CountyAtlantaConwayWest Des MoinesKunaCaddo ParishLewistonSarpy CountyNottinghamSouth BurlingtonNew Castle CountyArchuleta CountyBox Elder CountyWashtenaw CountyMorgantownSaint Paul

Frequently Asked Questions

An Accessory Dwelling Unit (ADU) is a secondary housing unit located on the same parcel as a primary single-family residence. ADUs go by many names - granny flats, in-law suites, backyard cottages, garage apartments, or casitas - but they all share the common characteristic of being smaller, subordinate residential units that share a lot with the main house. ZoneWire tracks adus activity across Maricopa County, AZ public meetings.

ZoneWire monitors Maricopa County, AZ planning and council meetings, transcribes them, and flags adus activity. As of the latest update we have analyzed 3 meetings and detected 14 adus mentions.

Tracking adus in Maricopa County surfaces zoning and development signals early, so developers, investors, and brokers can evaluate parcels and approvals before they reach the broader market.

The Maricopa County Board of Supervisors, Phoenix City Council, Scottsdale City Council, and Planning Commission are all monitored by ZoneWire for rezoning, variances, conditional use permits, PAD district applications, and general plan amendments.

Maricopa County has approximately 10 zoning-related meetings per month across the Board of Supervisors, Phoenix City Council, Scottsdale City Council, and the county Planning Commission.

A PAD (Planned Area Development) is a custom zoning district in Maricopa County that allows flexible development standards. PAD applications are common for large-scale projects near semiconductor facilities and the West Valley growth corridor.

The most active development corridors in Maricopa County are the West Valley around Buckeye and Goodyear along Loop 303, the semiconductor corridor near TSMC in north Phoenix, and the Scottsdale Airpark area. These zones see frequent PAD and general plan amendment filings.

Important zoning terms for Maricopa County include PAD (Planned Area Development), general plan amendment, rezoning, conditional use permit, design review, PUD overlay, and stipulation modification. ZoneWire tracks all of these automatically across every Maricopa County governing body.

Yes. ZoneWire Free sends New Meeting Alerts for Maricopa County at no cost, with the agenda for each meeting. ZoneWire Pro adds full transcripts, zoning and development analysis, and keyword alerts for $129 per market per month.

Know how adus requests get decided in Maricopa County, AZ

Get the vote, the conditions, and how each adus request was decided, the day it lands.

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What gets approved in Maricopa County

In Maricopa County, 84% of land-use board decisions were approved over the last 24 months. Variance clear 94%, Land use / comp-plan amendment 100%. ZoneWire analyzed 59 land-use board decisions in Maricopa County over the last 24 months. Here are the most active project types and how often each one clears.

Project typeDecisionsApproval rate
Variance1694%
Land use / comp-plan amendment10100%
Special exception / conditional use1030%
Commercial / office / retail888%

2 decisions that went against the odds

These are the denials and deferrals in categories that usually sail through, the deals worth understanding before you commit capital.

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