Residential Addition / Remodel Permit in Winslow, Arizona

Yes, a building permit is required for room additions and remodels affecting structural, electrical, plumbing, or mechanical elements, per Winslow Municipal Code § 15.04.040(B) (2018 IRC as adopted and amended).

In Winslow, the published Building Permit Fee is: Calculated per Table 1-A of the 1997 Uniform Building Code, plus 10%. Additional published fees: Issuance Fee — $40.00; Residential Plan Review Fee — $100 due at submission (applied to final fee); total fee for up to three review sessions is 65% of the total building permit fee, or actual city/consultant cost, whichever is greater. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Winslow's published plan-review target for a residential addition / remodel permit is 15–15 business days.

You'll need: Building Permit Application; Site/Plot Plan. See the required-documents checklist on this page for details on each.

Winslow requires 3 inspection(s) for a residential addition / remodel permit, in order: Foundation/Footing, Framing, Final. Schedule each through City of Winslow Community Development Department (928-289-1476).

Apply through City of Winslow Community Development Department at 102 E. Third Street, Winslow, AZ 86047 (2025 AZBO Directory lists the department's own address as 21 Williamson Avenue, Winslow, AZ 86047; the City's live website header lists City Hall at 102 E. Third Street — both are cited here as the City has not published a single reconciled address). Phone: 928-289-1476, email: comdevelopment@winslowaz.gov. Office hours: Not separately published by the Community Development Department; general City Hall contact is Monday-Friday per the City's main Contact page (102 E. Third Street, phone 928-289-2422, fax 928-289-3742). Building-permit-specific questions are directed to 928-289-1476 or comdevelopment@winslowaz.gov, per the City's Community Development page.. Official information: https://www.winslowaz.gov/page/community-development.

Winslow, 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 (A.R.S. Title 9). The City of Winslow independently adopts and administers its own construction codes through its Community Development Department; it does not defer permitting to Navajo County. Source: Winslow Municipal Code Title 15 (Buildings and Construction), Chapter 15.04 (ecode360.com/49538196, code current through legislation effective 10-28-2025).; 2018 International Building Code, including Appendix K, adopted by reference with City of Winslow amendments (Winslow Municipal Code § 15.04.040(A)). Source: Winslow Municipal Code § 15.04.040 (ecode360.com/49538207).; 2018 International Residential Code for One- and Two-Family Dwellings, including Appendix Q (Tiny Houses) and Appendix K, adopted by reference with City of Winslow amendments (§ 15.04.040(B)). Source: Winslow Municipal Code § 15.04.040.; 2018 International Plumbing Code, adopted by reference with City of Winslow amendments (§ 15.04.040(C)). Source: Winslow Municipal Code § 15.04.040.; 2018 International Fuel Gas Code, adopted with City of Winslow amendments (§ 15.04.040(D)). Source: Winslow Municipal Code § 15.04.040.; 2018 International Mechanical Code, adopted by reference with City of Winslow amendments (§ 15.04.040(E)). Source: Winslow Municipal Code § 15.04.040.; 2017 National Electrical Code (NFPA 70), adopted by reference with City of Winslow amendments (§ 15.04.040(F)) — one edition behind the 2018 ICC family set. Source: Winslow Municipal Code § 15.04.040.; 2018 International Property Maintenance Code, adopted with City of Winslow amendments (§ 15.04.040(G)); enforcement/violations/notices/appeals cross-reference Winslow Municipal Code § 8.20 (Nuisances). Source: Winslow Municipal Code § 15.04.040.; 2018 International Existing Building Code, adopted by reference, applying to repair, alteration, change of occupancy, addition, and relocation of existing buildings (§ 15.04.040(A), IBC 101.4.10). Source: Winslow Municipal Code § 15.04.040.; 2018 International Fire Code is referenced within the adopted IBC (§ 15.04.040(A), IBC 101.4.5) for matters of fire prevention, suppression, and alarm systems. Source: Winslow Municipal Code § 15.04.040.; Confirmation of currency: the City of Winslow's live Community Development page (as captured by the Wayback Machine, snapshot dated 1/24/2025) independently lists the identical current code set — '2018 International Building Code Including Appendix K, 2018 International Existing Building Code, 2018 International Residential Code Including Appendix Q and K, 2018 Plumbing Code, 2018 International Mechanical Code, 2018 International Fuel Gas Code, 2018 Property Maintenance Code, 2017 National Electric Code' — matching Winslow Municipal Code § 15.04.040 verbatim. Source: City of Winslow Community Development page, Wayback Machine capture (web.archive.org/web/20250124090125/https://www.winslowaz.gov/page/community-development).; Fee-calculation basis is separately codified and uses OLDER code editions' valuation tables than the substantive codes above: the City of Winslow's Schedule of Rates, Fees and Charges (Ordinance No. 637, as amended, current edition July 2026) calculates Building, Mechanical, and Plumbing permit fees using Table 1-A of the 1997 Uniform Building Code / 1997 Uniform Mechanical Code / 1997 Uniform Plumbing Code (each plus 10%), and Electrical permit fees using Table 3-A of the 1999 National Electrical Code (plus 10%) — this valuation-table-only reference is distinct from, and does not supersede, the substantive 2018 IBC/IRC/IMC/IPC/IFGC and 2017 NEC construction requirements adopted in Title 15. Source: City of Winslow Ordinance No. 637, Schedule of Rates, Fees and Charges (July 2026), Schedule 3, Sections 3-1 through 3-4; Winslow Municipal Code §§ 15.04.040(C) 106.6, 15.04.040(D) 106.6.2, 15.04.040(E) 106.5.2 (each cross-referencing 'the fee schedule, as adopted in City of Winslow Ordinance Number 637').; Manufactured/mobile homes and factory-built buildings: the City of Winslow Schedule of Rates, Fees and Charges publishes dedicated permit fees for Mobile/Manufactured Home ($650/home, includes 3 inspections), Factory Built Building - Residential ($650/story), Factory Built Building - Commercial ($6.00/LF per story) and Classroom ($3.00/LF per story), each including 3 inspections; a 6-month permit extension is $100; Factory Built Building Special Use is $250 (1 inspection); Rehabilitation - Mobile Home is $49 (income below Area Median Income) or $306 (income at/above AMI), including 2 inspections; and Installation/Re-inspection/Additional not covered by permit is $175 each. Source: City of Winslow Ordinance No. 637, Schedule 3, Section 3-7.. Local amendments apply — see the Winslow overview page for the full list.