The Roofing Book

Permitting Authorities / Arizona / Navajo County Planning & Development Services - Building and Safety Division

Do you need a permit to replace a roof in Unincorporated Navajo County, AZ?

Adopted code

Navajo County Planning & Development Services - Building and Safety Division

No, Unincorporated Navajo County, AZ does not require a permit for like-for-like roof replacement (Navajo County Planning & Development Services - Building and Safety Division). The County's Questions and Answers packet (amended 4-17-24) lists "Work Exempt From Permit IRC-105.2" and its item 5 reads: "Replacement of roof coverings or exterior siding." A permit is therefore not required under the County's list for replacing a roof covering. The same packet states the permit trigger in IRC 105.1, which covers an owner or agent who "intends to construct, alter, repair, move, convert, enlarge or change the occupancy of a building or structure," so repair work that goes beyond replacing the covering, such as structural repair, was not found addressed in the sources read and is not stated here. The packet's inspection notes say roof sheathing nail spacing "shall be inspected and approved before placement of roofing material" on permitted roof work.

Roof code checklist: Unincorporated Navajo County, AZ

ItemAnswerCode citeSourceVerified
Permit to replace a roofNonavajocountyaz.gov2026-10-25
Repair permit thresholdPublishednavajocountyaz.gov2026-10-25
Layer limit / roof-overNot published
Deck & sheathingNot published
Drip edgeNot published
Ice & water shieldNot published
Mid-roof inspectionNot published
Impact-resistant (Class 4) roofingNot published
Wind design criteriaPublishednavajocountyaz.gov2026-10-25
Adopted codePublishednavajocountyaz.gov2026-10-25
Contractor license / registrationYesazleg.gov2026-10-25
Sales & use taxPublishedSec. 32-1121TPT_RATETABLE_10012026.pdf2026-10-25

Each row comes from the sourced record on this page; full wording is in the table below. "Not published" means no official source for that item was found when the record was last verified.

Jurisdiction
Navajo County, Arizona (unincorporated areas)
Jurisdiction type
county
Address
1100 E. Thornton Rd, Show Low, AZ 85901
Contact
  • url: https://www.navajocountyaz.gov/289/Building-Information
  • phone: 928-532-6040
Roofing permit required
Not required
Contractor registration required
Required
Registration details
  • license: STATE LAYER, applies in unincorporated Navajo County as everywhere in Arizona. Contractors are licensed by the Arizona Registrar of Contractors under A.R.S. Title 32, Chapter 10 (32-1101 et seq.). A.R.S. 32-1121(A)(14) exempts an unlicensed person only for one project whose aggregate contract price, including labor and materials, is "less than $1,000" and whose work is "of a casual or minor nature," and says the exemption "does not apply: (a) In any case in which the performance of the work requires a local building permit." An unlicensed person who advertises must include the words "not a licensed contractor." Owner-occupants doing their own work on a structure intended solely for their own occupancy are separately exempt under 32-1121(A)(5). The specific roofing classification codes and the Registrar's own licensing page were not read for this record.
Permit process note
The County's Questions and Answers packet (amended 4-17-24) lists "Work Exempt From Permit IRC-105.2" and its item 5 reads: "Replacement of roof coverings or exterior siding." A permit is therefore not required under the County's list for replacing a roof covering. The same packet states the permit trigger in IRC 105.1, which covers an owner or agent who "intends to construct, alter, repair, move, convert, enlarge or change the occupancy of a building or structure," so repair work that goes beyond replacing the covering, such as structural repair, was not found addressed in the sources read and is not stated here. The packet's inspection notes say roof sheathing nail spacing "shall be inspected and approved before placement of roofing material" on permitted roof work.
Adopted code
Navajo County Board of Supervisors Resolution 9-2022, passed March 22, 2022, approves "the amendments to Navajo County Addenda and Additions to the 2018 International Building Code and the 2018 International Residential Code" and states the attached document "shall be used in conjunction with construction in the unincorporated portions of Navajo County with an effective date of June 22, 2022." The County's Building Information page lists the 2018 International Residential Code, the 2018 International Building Code and the "Navajo County Addenda and Additions" under Building Code Information. The Addenda text was not read in full (most of the filed copy is a scanned image), so this record gives no answer that depends on a local amendment beyond those quoted from the County's Questions and Answers packet.
Repair permit threshold
No dollar or square-footage threshold applies to the roof-covering exemption: the County's list reads "Replacement of roof coverings or exterior siding." Dollar figures appear elsewhere in the same packet: item 7 exempts "Interior remodeling not exceeding $1000.00 in materials & labor," and the County's FAQ says "If the remodeling or construction value of the project is estimated more than $1000 for the labor and materials, then a building permit is required."
Wind design criteria
The County's Questions and Answers packet (amended 4-17-24) publishes a Design Loads table by area. For Heber / Overgaard it lists wind 115 mph with Exposure B, seismic B, ground snow load 64 psf, and roof snow load 45 psf for roof pitch 0:12 up to 4:12 and 40 psf for pitch 4:12 or greater. The same table lists 115 mph for every area in the County and ground snow loads that differ by area (for example 57 psf for Pinetop / Lakeside), so use the row for the property's own community. The packet prints the wind figure as "mph" with the exposure category and does not state whether it is a nominal or an ultimate design wind speed, so confirm the basis before using the number. The packet is a scanned document and this entry was read from its text layer.
Sales & use tax
Roofing is taxed in Arizona as Prime Contracting (business code 015) under the Transaction Privilege Tax, not as a retail sale. The Arizona Department of Revenue Transaction Privilege and Other Tax Rate Tables effective October 1, 2026 list Contracting - Prime at 6.43% for Navajo County (the 5.6% state rate plus the county rate). That table carries city rates only for incorporated cities and towns, so this record, which covers unincorporated territory, adds no city rate. A.R.S. 42-5075(B) sets the tax base at "sixty-five percent of the gross proceeds of sales or gross income derived from the business," so the 6.43% applies to 65% of contract income. The same statute excludes from the classification "any work or operation performed by a person that is not required to be licensed by the registrar of contractors pursuant to section 32-1121."

More roof permit pages in Arizona

Unincorporated Yavapai County, AZRoof permit Wickenburg, AZRoof permit Williams, AZRoof permit Winslow, AZRoof permit Apache Junction, AZRoof permit

Related guides

Denver-Metro Roofing Permits Filing a Hail Insurance Claim Colorado Hail Season Prep Hiring a Contractor

Navajo County Planning & Development Services, through its Building and Safety Division, issues building permits for the unincorporated portions of Navajo County, Arizona, including communities such as Heber-Overgaard. Its Show Low office is at 1100 E Thornton Rd, open Monday through Thursday, and the County's permit instructions say an application "may be submitted to any Navajo County Building Department Location." Incorporated towns and cities in the county (for example Show Low, Pinetop-Lakeside, Winslow and Holbrook) run their own permitting, so a roof inside town limits is that town's permit and not the County's. The County adopted the 2018 International Building and Residential Codes with its own Addenda and Additions, effective June 22, 2022. Arizona has no statewide building code, so the County's own adoption controls. This listing covers the office's contact details, the adopted code, the reroof permit exemption, the County's published wind and snow design loads for Heber-Overgaard, and the state licensing and tax rules that apply to a roofer working in unincorporated Navajo County.

Working an insurance claim in Unincorporated Navajo County, AZ? Everything on this page (drip edge, ice & water shield, inspections, Class 4 rules) formatted as a claim-ready evidence pack: verbatim ordinance quotes, code section cites, verification dates, and official source links, ready to attach to a supplement. See a real sample pack (PDF, 4 pages, free).

Buy this jurisdiction's pack: $12 Delivered by email within minutes. Digital download: all sales are final once delivered, except for a failed delivery, a defective file, a duplicate purchase, or a pack materially different from its description. See Section 6 of our Terms of Use.

Questions about the Unincorporated Navajo County, AZ pack?

Not ready to buy, or need a different jurisdiction? Tell us and we’ll reply directly.

By submitting, you agree to our Terms of Use and Privacy Policy.

Sources

Roofing questions: Unincorporated Navajo County, AZ

Do you need a permit to replace a roof in Unincorporated Navajo County, AZ?

No, Unincorporated Navajo County, AZ does not require a permit to replace a roof. No dollar or square-footage threshold applies to the roof-covering exemption: the County's list reads "Replacement of roof coverings or exterior siding." Dollar figures appear elsewhere in the same packet: item 7 exempts "Interior remodeling not exceeding $1000.00 in materials & labor," and the County's FAQ says "If the remodeling or construction value of the project is estimated more than $1000 for the labor and materials, then a building permit is required."

Do roofing contractors need a license or registration in Unincorporated Navajo County, AZ?

Yes. STATE LAYER, applies in unincorporated Navajo County as everywhere in Arizona. Contractors are licensed by the Arizona Registrar of Contractors under A.R.S. Title 32, Chapter 10 (32-1101 et seq.). A.R.S. 32-1121(A)(14) exempts an unlicensed person only for one project whose aggregate contract price, including labor and materials, is "less than $1,000" and whose work is "of a casual or minor nature," and says the exemption "does not apply: (a) In any case in which the performance of the work requires a local building permit." An unlicensed person who advertises must include the words "not a licensed contractor." Owner-occupants doing their own work on a structure intended solely for their own occupancy are separately exempt under 32-1121(A)(5). The specific roofing classification codes and the Registrar's own licensing page were not read for this record.

What building code does Unincorporated Navajo County, AZ use?

Navajo County Board of Supervisors Resolution 9-2022, passed March 22, 2022, approves "the amendments to Navajo County Addenda and Additions to the 2018 International Building Code and the 2018 International Residential Code" and states the attached document "shall be used in conjunction with construction in the unincorporated portions of Navajo County with an effective date of June 22, 2022." The County's Building Information page lists the 2018 International Residential Code, the 2018 International Building Code and the "Navajo County Addenda and Additions" under Building Code Information. The Addenda text was not read in full (most of the filed copy is a scanned image), so this record gives no answer that depends on a local amendment beyond those quoted from the County's Questions and Answers packet.