Navajo County, AZ — 2026 Building Permit Guide

On this page 5

§ 01

Permit authority

Navajo County Planning and Development Services, Show Low Building Division

Street address

1100 E. Thornton Rd., Show Low, AZ 85901

Phone

928-532-6040

Coverage

All unincorporated areas of Navajo County, excluding lands within the Navajo Nation and Hopi Reservation, and excluding incorporated City of Show Low, City of Holbrook, City of Winslow, Town of Snowflake, Town of Taylor, and Town of Pinetop-Lakeside.

Website

Department website

Additional resources

§ 02

When a permit is required

Permit triggers and exempt work for Navajo County

A building permit is required for all construction and development in unincorporated Navajo County.

Required documents

Site plan
Construction plans conforming to adopted codes
Proof of approved septic system or sanitary-district release
Permit application

Building code: 2018 International Building Code (IBC), 2018 International Residential Code (IRC), 2017 National Electrical Code (NEC)
Permit validity: Permits expire if work does not commence within 180 days of issuance or if more than 180 days pass between inspections.

§ 03

Application process

Typical processing: Timeframe not specified; contact county for details.

01

Obtain a site plan identifying the property.
02

Prepare construction plans conforming to Navajo County's adopted 2018 IRC and IBC based codes and 2017 NEC.
03

Obtain proof of approved septic system or sanitary-district release.
04

Submit permit application with site plan, construction plans, and septic proof to Navajo County Planning and Development Services.
05

Applications are reviewed by Flood Control and the Building Department.
06

Permits expire if work does not commence within 180 days or if more than 180 days pass between inspections.
07

Obtain required inspections before project completion.

Typical processing time: Timeframe not specified; contact county for details.

Source: Navajo County Planning and Development Services, Show Low Building Division ↗

§ 04

Required inspections

Scheduling and sequence

How to schedule

928-532-6040 (phone)

Source: Navajo County Planning and Development Services, Show Low Building Division ↗

§ 05

Frequently asked

Common questions about unincorporated Navajo County permits

01 Do I need a building permit in unincorporated Navajo County, AZ? ▸

A building permit is required for all construction and development in unincorporated Navajo County.

02 How do I apply for a building permit in unincorporated Navajo County, AZ? ▸

To apply for a building permit in unincorporated Navajo County, AZ, follow these steps: 1. Obtain a site plan identifying the property. 2. Prepare construction plans conforming to Navajo County's adopted 2018 IRC and IBC based codes and 2017 NEC. 3. Obtain proof of approved septic system or sanitary-district release. 4. Submit permit application with site plan, construction plans, and septic proof to Navajo County Planning and Development Services. 5. Applications are reviewed by Flood Control and the Building Department. 6. Permits expire if work does not commence within 180 days or if more than 180 days pass between inspections. 7. Obtain required inspections before project completion.

03 How long does it take to get a building permit in unincorporated Navajo County, AZ? ▸

Building permit processing times in unincorporated Navajo County, AZ typically run Timeframe not specified; contact county for details.. Timelines can vary based on project complexity and current department workload.

04 How do I schedule a building inspection in unincorporated Navajo County, AZ? ▸

Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Navajo County, AZ via: 928-532-6040.

last verified April 2026 source Navajo County Planning and Development Services, Show Low Building Division ↗ entry id permits/arizona/navajo/unincorporated

Report a correction

Educational reference. Permit rules and fees change — confirm current requirements directly with Navajo County Planning and Development Services, Show Low Building Division before applying. Jaspector is not legal advice.

Unincorporated Navajo County