Beta — site is under development, information may contain errors. Read disclaimer
Zoning Guide

ADU Rules in Peoria, Arizona

Last updated: Verified:

ADU Rules in Peoria, Arizona

Arizona's casita statute is HB 2720 (2024), codified at A.R.S. §9-461.18, applying to cities with 75,000+ population. HB 2673 is unrelated.

Permitted ADU Types

  • Detached ADU: Standalone structure on the lot
  • Attached ADU: Addition to primary home with own entrance
  • Garage Conversion: Converting existing garage to dwelling unit

Size Limits

ADU Type Maximum Size
Detached ADU 1,000 sq ft or 50% of primary dwelling
Attached ADU 50% of primary dwelling floor area
Garage Conversion Existing footprint

Setbacks

  • Front: Base zone standard
  • Side: 5 feet minimum
  • Rear: 5–10 feet minimum

Height

  • Detached ADU: Maximum 18 feet
  • Cannot exceed primary dwelling height

HOA Restrictions

Peoria has extensive HOA communities. Even where city zoning permits an ADU, your HOA may:

  • Require design approval
  • Prohibit certain ADU types
  • Limit or restrict rentals

Always obtain HOA approval before applying for a city permit.

Parking

One off-street parking space required per ADU.

Permit Process

  1. HOA check: Obtain HOA approval if applicable
  2. Verify zoning: Contact Peoria Planning Division
  3. Submit plans: Architectural and site plans
  4. Review: Zoning and building compliance
  5. Building permit: After approval
  6. Inspections: All required phases
  7. Certificate of Occupancy: Before occupancy

Contact

Peoria Planning Division 8401 W. Monroe Street, Peoria, AZ 85345 Phone: (623) 773-7225 Website: peoriaaz.gov/planning

Disclaimer: Check HOA restrictions and verify current requirements with the Peoria Planning Division before starting any project.

More about Peoria Zoning

Sources

  1. Peoria Zoning Ordinance·library.municode.com·Accessed 2026-04-07·Direct link
  2. City of Peoria Planning Division·peoriaaz.gov·Accessed 2026-04-07·Direct link

FAQ

Are ADUs allowed in Peoria, Arizona?
Arizona's casita statute is HB 2720 (2024), codified at A.R.S. §9-461.18, applying to cities with 75,000+ population. HB 2673 is unrelated.
What is the maximum ADU size in Peoria?
Detached ADUs in Peoria are generally limited to 1,000 square feet or 50% of the primary dwelling, whichever is less.
Do HOAs in Peoria restrict ADUs?
Many Peoria neighborhoods have HOA restrictions. While Arizona law limits some municipal restrictions, HOA deed covenants may still apply. Check your CC&Rs.