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Permitting Authorities / Arizona / Coconino County Community Development Department - Building and Safety

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

Adopted code

Coconino County Community Development Department - Building and Safety

The Coconino County Community Development Department, through its Building and Safety Division, issues building permits for the unincorporated areas of Coconino County, Arizona, from its office at 2500 N. Fort Valley Rd., Building 1, in Flagstaff. Incorporated cities and towns in the county, such as Flagstaff, Page and Sedona, run their own building departments, so a roof inside city limits is that city's permit and not the County's. The County's Building Codes page says its codes were adopted "per this Ordinance, effective June 2, 2026," at the 2024 edition of the International Residential and Building Codes, and the County will accept fully submitted permit applications designed to the 2018 editions through December 31, 2026. Arizona has no statewide building code, so the County's own adoption controls. This listing covers the office's contact details, the adopted code edition, how the County treats re-roofing in its permit documents, its published wind design speed, and the state licensing and tax rules that apply to a roofer working in unincorporated Coconino County.

Roof code checklist: Unincorporated Coconino County, AZ

ItemAnswerCode citeSourceVerified
Permit to replace a roofNot published
Repair permit thresholdPublishedcoconino.az.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 criteriaPublishedcoconino.az.gov2026-10-25
Adopted codePublishedcoconino.az.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
Coconino County, Arizona (unincorporated areas)
Jurisdiction type
county
Address
2500 N. Fort Valley Rd., Building 1, Flagstaff, AZ 86001
Contact
  • url: https://www.coconino.az.gov/2391/Building-Codes-Ordinances-Design-Criteri
  • phone: 928-679-8850
Contractor registration required
Required
Registration details
  • license: STATE LAYER, applies in unincorporated Coconino 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 County's residential Miscellaneous permit document adds that "A licensed Arizona Register Contractor shall be required to perform the work if the project is for sale or is a rental." The specific roofing classification codes and the Registrar's own licensing page were not read for this record.
Permit process note
The County's residential Miscellaneous building permit document lists "Re-Roof with Structural" and "Repair" among the residential permit types an applicant selects in the online portal, and says a "licensed Arizona Register Contractor shall be required to perform the work if the project is for sale or is a rental." The County's published list of work that needs no building permit (its FAQ, "When do I need a building permit?") names sheds up to 200 square feet, fences up to 7 feet, retaining walls up to 4 feet, small tanks, flat work, finish work, small pools, playground equipment, awnings and small decks, and names no roofing item. Whether a roof-covering replacement with no structural work needs a permit was not found stated in the County sources read, so this record does not state it; confirm with the Division at 928-679-8850.
Adopted code
The County's Building Codes, Ordinances, Design Criteria page says "Current and newly-adopted codes (per this Ordinance), effective June 2, 2026, include: 2024 International Residential Code, 2024 International Building Code, 2024 International Mechanical Code, 2024 International Fuel Gas Code, 2024 International Plumbing Code, 2018 International Energy Conservation Code, 2024 International Existing Building Code, 2024 International Swimming Pool and Spa Code, 2023 National Electrical Code." Under "Previous Codes - Accepted through 12/31/26" the page says the Building Division "will accept fully-submitted permit applications with plan sets designed to the following previously-adopted codes (per this Ordinance) through December 31, 2026," listing the 2018 International Residential, Building, Mechanical, Fuel Gas, Plumbing, Energy Conservation and Existing Building Codes and the 2017 National Electrical Code. The County's local amendments to the 2024 codes were not read, so this record gives no answer that depends on one.
Repair permit threshold
The County publishes no dollar or square-footage threshold for roofing in the sources read. Its permit type list includes "Re-Roof with Structural" (structural work is what makes a re-roof a permitted project), and its list of work not requiring a building permit contains no roofing item. Items on that list that carry a size limit are sheds and accessory structures "provided the floor area does not exceed 200 square feet," fences "not over 7 feet tall," retaining walls "not over 4 feet in height," and decks "not exceeding 200 square feet in area."
Wind design criteria
The County's Design Criteria sheet, which the Building Codes page links under "Snow Load, Design Criteria & Building Details," designates for Table R301.2(1): "Wind Speed: 115 Ultimate Design Speed (mph)"; Seismic Design Category C; Weathering Moderate; Termite "Site Specific: Moderate to Heavy." Ground snow loads come from a County table by elevation: 20 psf below 4,000 feet, 30 psf from 4,000 to 5,500 feet, 45 psf from 5,500 to 6,500 feet, 60 psf from 6,500 to 7,500 feet and 75 psf from 7,500 to 8,000 feet, with engineering design required above 8,000 feet. The sheet is marked "Revised 11/29/2016" and lists the 2018 codes under Ordinance 2019-10, which the County's 2026 adoption replaces, so confirm the current figures with the Division before relying on them. The Building Codes page says the County allows "ASCE Hazard standards and/or Coconino County Design Criteria" for design.
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 6.90% for Coconino 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 6.90% 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."

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Sources

Roofing questions: Unincorporated Coconino County, AZ

When does a roof repair need a permit in Unincorporated Coconino County, AZ?

The County publishes no dollar or square-footage threshold for roofing in the sources read. Its permit type list includes "Re-Roof with Structural" (structural work is what makes a re-roof a permitted project), and its list of work not requiring a building permit contains no roofing item. Items on that list that carry a size limit are sheds and accessory structures "provided the floor area does not exceed 200 square feet," fences "not over 7 feet tall," retaining walls "not over 4 feet in height," and decks "not exceeding 200 square feet in area."

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

Yes. STATE LAYER, applies in unincorporated Coconino 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 County's residential Miscellaneous permit document adds that "A licensed Arizona Register Contractor shall be required to perform the work if the project is for sale or is a rental." The specific roofing classification codes and the Registrar's own licensing page were not read for this record.

What building code does Unincorporated Coconino County, AZ use?

The County's Building Codes, Ordinances, Design Criteria page says "Current and newly-adopted codes (per this Ordinance), effective June 2, 2026, include: 2024 International Residential Code, 2024 International Building Code, 2024 International Mechanical Code, 2024 International Fuel Gas Code, 2024 International Plumbing Code, 2018 International Energy Conservation Code, 2024 International Existing Building Code, 2024 International Swimming Pool and Spa Code, 2023 National Electrical Code." Under "Previous Codes - Accepted through 12/31/26" the page says the Building Division "will accept fully-submitted permit applications with plan sets designed to the following previously-adopted codes (per this Ordinance) through December 31, 2026," listing the 2018 International Residential, Building, Mechanical, Fuel Gas, Plumbing, Energy Conservation and Existing Building Codes and the 2017 National Electrical Code. The County's local amendments to the 2024 codes were not read, so this record gives no answer that depends on one.