Residential Building Permit (New Construction) in Avondale, Arizona

Avondale requires a residential building permit (new construction) for: Building permit required for new single-family and two-family (and, where not preempted by Arizona Revised Statutes, triplex/fourplex) dwelling construction within Avondale city limits; Plans must comply with the 2024 IRC and City of Avondale amendments, including Climatic and Geographic Design Criteria (105 mph wind, Exposure B; Seismic Design Category B; 0 ground snow load; moderate-to-heavy termite potential); Required heating/cooling capable of maintaining a minimum 68°F and maximum 82°F (AC) or 88°F (evaporative cooling) at 3 ft above floor (IBC 1203.1); Complete electronic submittal required per the Residential Submittal Checklist (rev. 12.31.2025): foundation/roof/framing plans, site plan, floor plan, elevations, energy compliance report (2024 IECC), electrical one-line diagram, load calculations, panel schedule, mechanical Manual J/D/S calculations, plumbing fixture/isometric calculations, structural calculations for engineered plans, soils/geotechnical report (new build and ADU); Fire sprinkler plan required for residential submittals with 5,000 livable sq ft or greater (may be a deferred submittal); sprinklers are otherwise optional, not mandatory, under Avondale's amended IRC R309; Submittal via the Avondale Citizen Portal (Accela Citizen Access); All work must be performed by an Arizona ROC-licensed contractor unless the owner qualifies as an owner-builder under A.R.S. § 32-1121. If your project isn't listed, confirm with City of Avondale Development Services Department — Building Services Division at 623-333-4000 before starting work.

In Avondale, the published Building Permit Fee — Based on Valuation (Tiers A–H) is: Tier A ($1–$500): $50; Tier B ($501–$2,000): $50 for the first $500 plus $5.00 per additional $100 (or fraction) to $2,000; Tier C ($2,001–$25,000): $125 for the first $2,000 plus $14.00 per additional $1,000 (or fraction) to $25,000; Tier D ($25,001–$50,000): $447 for the first $25,000 plus $14.00 per additional $1,000 to $50,000; Tier E ($50,001–$100,000): $797 for the first $50,000 plus $9.00 per additional $1,000 to $100,000; Tier F ($100,001–$500,000): $1,247 for the first $100,000 plus $8.00 per additional $1,000 to $500,000; Tier G ($500,001–$1,000,000): $4,477 for the first $500,000 plus $7.00 per additional $1,000 to $1,000,000; Tier H ($1,000,000+): $7,947 for the first $1,000,000 plus $5.00 per additional $1,000. Additional published fees: Building Plan Review Fee (Building Review Fee) — 65% of the Building Permit Fee; Application Processing Fee — $102.00; Certificate of Occupancy — $158.00; 4th Plan Review — 50% of First Review Fee. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Per the City of Avondale Development Services Review Timelines document (A.R.S. § 9-835 compliance doc, effective 06/10/2024, revised 10/31/2024), Building Division applications are allotted 16 business days for first review and 8 business days for each subsequent review. The City's business week for this calculation is Monday–Thursday.

You'll need: Building Permit Application; Residential Submittal Checklist; Residential Plan Review Checklist; Site Plan / Foundation / Roof / Framing Plans; Soils/Geotechnical Report. See the required-documents checklist on this page for details on each.

Avondale requires 5 inspection(s) for a residential building permit (new construction), in order: Foundation (Layout/Setbacks, Footing/Ufer, Stem, Pre-Slab), Underground/Soils (Under-Slab Plumbing/Electrical, UG Building Sewer/Water/Electric/Gas Service), Rough (Shear Wall, Roof Truss/Nail, Mechanical, Plumbing, Electric, Framing), Wall Cover / Insulation, Final Combination (Mechanical, Plumbing, Electrical, Insulation, Building, Gas). Schedule each through City of Avondale Development Services Department — Building Services Division (623-333-4000).

Apply through City of Avondale Development Services Department — Building Services Division at 11465 W. Civic Center Drive, Avondale, AZ 85323. Phone: 623-333-4000, email: buildingservices@avondaleaz.gov. Office hours: 7:00 AM – 6:00 PM (Building Services Division, per the City's Building Services Division page); City Hall / Development Services counter hours are Monday–Thursday 7:00 AM – 6:00 PM per the City's Contact Us footer (City Hall operates a compressed 4-day, 10-hour workweek). Applications are submitted electronically via the Avondale Citizen Portal (Accela Citizen Access). Building Official: Benjamin Carr (bcarr@avondaleaz.gov), per the 2025 Arizona Building Officials (AZBO) Directory.. Official information: https://avondaleaz.gov/government/departments/development-services/building-division/.

Avondale, Arizona has adopted: Arizona has NO statewide mandatory building code floor for general construction — code adoption is a per-city/county authority under state enabling statutes (e.g., A.R.S. Title 9 for municipalities). The City of Avondale independently adopts and administers its own construction codes through its Development Services Department / Building Services Division; it does not defer permitting to Maricopa County. Source: City of Avondale Building Services Division page (avondaleaz.gov/government/departments/development-services/building-division/).; 2024 International Building Code (IBC), as published by the International Code Council, adopted by reference with City of Avondale amendments. Effective January 1, 2026 (per the City's 'Current Adopted Building Codes (effective January 1, 2026)' list). Source: City of Avondale Building Services Division page; City of Avondale Building Code Adoption ordinance document ('Building-Code-Adoption-Final.pdf').; 2024 International Residential Code (IRC), adopted by reference with City of Avondale amendments, effective January 1, 2026. Source: City of Avondale Building Services Division page; City of Avondale Building Code Adoption ordinance document.; 2024 International Existing Building Code (IEBC), adopted by reference with City of Avondale amendments, effective January 1, 2026. Source: City of Avondale Building Services Division page.; 2023 National Electrical Code (NEC), as published by the National Fire Protection Association, adopted with City of Avondale amendments (note: electrical code cycle is one edition behind the 2024 ICC set), effective January 1, 2026. Source: City of Avondale Building Services Division page; City of Avondale Building Code Adoption ordinance document (Avondale Amendments to the 2023 National Electrical Code).; 2024 International Mechanical Code (IMC), adopted by reference with City of Avondale amendments, effective January 1, 2026. Source: City of Avondale Building Services Division page.; 2024 International Plumbing Code (IPC), adopted by reference with City of Avondale amendments, effective January 1, 2026, including a burial-depth amendment to G2415.12/IFGC 404.12 and added stub-out/push-to-connect-valve provisions (P2605.1.1, P2605.1.2). Source: City of Avondale Building Code Adoption ordinance document.; 2024 International Fuel Gas Code (IFGC), adopted by reference with City of Avondale amendments, effective January 1, 2026. Source: City of Avondale Building Services Division page.; 2024 International Energy Conservation Code (IECC), adopted by reference with City of Avondale amendments, effective January 1, 2026 (Manual J design criteria: elevation 1,101 ft, latitude 34°, outdoor summer design dry-bulb 108°F, outdoor winter design dry-bulb 33°F). Source: City of Avondale Building Services Division page; City of Avondale Building Code Adoption ordinance document.; 2024 International Property Maintenance Code (IPMC), adopted by reference, effective January 1, 2026. Source: City of Avondale Building Services Division page.; 2024 International Swimming Pool and Spa Code (ISPSC), adopted by reference with City of Avondale amendments (including an amended barrier-height provision requiring a minimum 60-inch/5-foot barrier height, up from the model code's 48 inches), effective January 1, 2026. Source: City of Avondale Building Services Division page; City of Avondale Building Code Adoption ordinance document (Avondale Amendments to the 2024 ISPSC, Section 305.2.1); City of Avondale Swimming Pool Requirements handout (rev. 10.26.2023).; All work must be performed by a contractor licensed with the Arizona Registrar of Contractors (ROC), unless the property owner qualifies as an owner-builder under A.R.S. § 32-1121 (Building Permit Application, Standard Conditions and Applicant Certification, rev. 05.06.2026). Source: City of Avondale Building Permit Application.. Local amendments apply — see the Avondale overview page for the full list.

The 2024 IRC and 2024 IBC (for non-residential portions), plus the 2023 NEC, as adopted and amended by the City of Avondale, effective January 1, 2026.