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Zoning Guide

Avondale Zoning & Land Use Guide

Data-only stub — facts unverified locally. Confirm with the planning department before relying on details.
Last updated: Verified:

What we have on file vs. what to verify locally

We don't have editor-verified zoning prose for Avondaleyet. Here's the structured data we do have, and the highest-leverage steps to confirm specifics for your parcel.

What we have on file

Population:
89,863
County:
Maricopa County
State building code:
No mandatory statewide building code (local adoption)(statewide default)
State ADU law:
Yes — Arizona HB 2720 (2024), codified at ARS §9-461.18, requires municipalities with populations greater than 75,000 to allow at least one attached, detached, or internal accessory dwelling unit as a permitted use on any lot where a single-family dwelling is allowed. Effective January 1, 2025.
FEMA flood map:
Search flood zones
Planning department:
City of Avondale Planning Department
Municipal code:
View code online
Zoning map:
View city zoning map

Verify these locally

  • Call the City of Avondale Planning Department: (623) 333-2600
  • Search the municipal code for the chapter that covers your zoning district and proposed use.
  • Use the city zoning map to look up your parcel's zoning designation before applying for a permit.
  • Check FEMA flood zone for your parcel — flood-zone status changes setbacks, foundation requirements, and insurance.
  • Check your HOA CC&Rs and recorded deed restrictions — they are common in Avondale and frequently restrict ADUs, fences, and exterior changes beyond what zoning allows.

Key Zoning Facts

Planning Department
City of Avondale Planning Department(623) 333-2600
Building Code Edition
2018 International Building Code (locally adopted)
ADUs Allowed
No

Regulatory Layers That Apply in Avondale

Your property is subject to ALL of these regulatory layers. Each one can impose additional requirements beyond the others.

Federal

State — Arizona

  • Building Code: No mandatory statewide code (local adoption)
View Arizona zoning overview

County — Maricopa County

    City / Municipal

    The city's zoning ordinance, building codes, and local permits form the primary layer of land-use regulation for your property.

    Overlay Districts

    No overlay districts identified.

    Private Restrictions

    • HOA / CC&Rs common: Yes
    • Check HOA CC&Rs for additional restrictions.

    Statewide Context (Arizona)

    Local data for Avondale is limited. The following state-level facts apply across Arizona and are inherited by this page until city-specific details are verified.

    State Building Code
    No mandatory statewide building code (local adoption)
    State ADU Preemption
    Yes — state law overrides local rules
    Coastal Zone
    No
    Wildfire Zones
    Yes

    ADU Rules in Avondale

    ADUs:Allowed(statewide context — not city-specific)

    State law (statewide context, not city-specific):

    Arizona HB 2720 (2024), codified at ARS §9-461.18, requires municipalities with populations greater than 75,000 to allow at least one attached, detached, or internal accessory dwelling unit as a permitted use on any lot where a single-family dwelling is allowed. Effective January 1, 2025.

    Source (Arizona)

    For local size, setback, and parking specifics, contact the City of Avondale Planning Department.

    Permit Costs & Timelines

    Permit Costs & Timelines

    Specific permit fee schedules for Avondale are available from the local planning department. Fees vary based on project type, scope, and valuation.

    Check Avondale permit fees →

    Official Sources

    City-specific

    City of Avondale Planning Departmentavondaleaz.govOfficial sourceAvondale Municipal Codelibrary.municode.comOfficial source