Residential Building Permit (New Single-Family / Duplex / Multi-Family Construction) in Benson, Arizona

Benson requires a residential building permit (new single-family / duplex / multi-family construction) for: Building permit required for new single-family, duplex, and multi-family dwelling construction within Benson city limits; Plans must comply with the 2024 IRC (or 2015 IRC for applications filed before May 13, 2026) as adopted and amended by the City of Benson via Ordinance 645 / Resolution 11-2026; One detached site plan (separate from the construction plan set) at 1"=20' scale (8.5x14 or 11x17 paper), showing lot dimensions, Tax Parcel ID, setbacks, street/driveway details, structure square footages, easements, and utility routing; Two complete sets of construction plans (11x17 at 1/8" scale computer-drawn, or 18x24 at 1/4" scale) plus a soils report at time of submittal; engineered design required for structural components retaining 4+ feet of earth; post-tension slabs (or equal) required due to unstable soil conditions City-wide; Signed A.R.S. Title 32 form required as part of the online application submittal; Hydrant system must be operational and subdivision roads paved (ingress/egress) before permit issuance; ADEQ Certificate of Completion required for water/sewer (model homes may receive Public Works sign-off without it if not yet connected); HOA review verification required prior to submittal if the project is within an HOA-governed area; Permit valid 180 days from issue date; expires if no inspection progress for 6 consecutive months; one no-charge 6-month extension available within the initial 12-month period if significant progress (generally past framing) has been made. If your project isn't listed, confirm with City of Benson Building Department (Community Development) at 520-720-6328 before starting work.

In Benson, the published Building Permit Fee — Based on Valuation is: $47.00 (valuation $1-$1,000); $47.00 + $4.00 per additional $100 to $2,000; $83.00 + $16.00 per additional $1,000 to $25,000; $466.00 + $12.00 per additional $1,000 to $50,000; $766.00 + $8.30 per additional $1,000 to $100,000; $1,181.00 + $6.70 per additional $1,000 to $500,000; $3,862.00 + $5.70 per additional $1,000 to $1,000,000; $6,712.00 + $4.40 per additional $1,000 above $1,000,000. Additional published fees: Plan Review Fee (Single-Family Dwelling/Misc. Buildings, and All Other Buildings) — 65 percent of the calculated building permit fee; Certificate of Occupancy / Housing Code Compliance Inspection — $60.00 per dwelling unit. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

As of July 2026, the City of Benson does not appear to publish permit-specific plan review turnaround times for new residential construction on its public website. The City states plan reviews are performed on a first-come, first-served basis, with emergency repairs taking precedence, but no category-specific business-day timeline is published. Call the Building Department at 520-720-6328 directly for a current estimate.

You'll need: Online Building/Demolition Permit Application (iWorQ Citizen Portal); A.R.S. Title 32 Form; Detached Site Plan; Construction Drawings, Structural Calculations, and Soils Report. See the required-documents checklist on this page for details on each.

Benson requires 8 inspection(s) for a residential building permit (new single-family / duplex / multi-family construction), in order: Setbacks, Underground Utilities, Foundation (Footing/Rebar pre-pour, Interior Footings, Pre-slab pre-pour, Soil Compaction, Stem), Framing, Lath, Gas / Electrical (if applicable), Intermediates / Insulation / Sheetrock, Final. Schedule each through City of Benson Building Department (Community Development) (520-720-6328).

Apply through City of Benson Building Department (Community Development) at 120 W. 6th Street, Benson, AZ 85602 (City Hall / general administration: 101 E. 6th Street, Benson, AZ 85602). Phone: 520-720-6328, email: permits@bensonaz.gov. Office hours: City Hall general office hours: Monday, Tuesday, Thursday, Friday 8:00 AM - 5:00 PM MST; Wednesday 1:00 PM - 5:00 PM MST (Source: City of Benson Contact Us page). Building permit applications are submitted online via the City's iWorQ citizen portal (bensonbuilding.portal.iworq.net); all plan documents, calculations, drawings, and spec sheets must be uploaded in PDF format (image files such as JPEG/TIFF/GIF are not accepted). Plan reviews are performed on a first-come, first-served basis; emergency repairs such as utility or structural failures may take precedence. To request an inspection, email permits@bensonaz.gov at least 24 hours in advance with name, contact number, requested date, permit number, project address, and inspection type.. Official information: https://web.archive.org/web/20251124160757/https://www.bensonaz.gov/departments/building_department/index.php.

Benson, 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 (Arizona Revised Statutes Title 9). The City of Benson independently adopts and administers its own construction codes through its Building Department. Source: Ordinance 645 (City of Benson, adopted April 13, 2026), whereas clause citing A.R.S. Title 9.; 2024 International Building Code (IBC), as amended by Exhibit A to Resolution 11-2026, adopted by reference in Benson City Code Chapter 7, Section 7-1-2 ('Building Codes Adopted'). Per Ordinance 645, all new permit applications received after May 13, 2026 (30 days after the April 13, 2026 adoption date) must comply with this code; plans already in review or approved before that date may remain on the previously adopted 2015 IBC cycle. Source: Ordinance 645, City of Benson (passed and adopted April 13, 2026).; 2024 International Residential Code (IRC), as amended by Exhibit B to Resolution 11-2026, adopted by reference in Benson City Code Chapter 7, effective for new applications received on/after May 13, 2026. Source: Ordinance 645, City of Benson.; 2024 International Mechanical Code (IMC), as amended by Exhibit D to Resolution 11-2026, adopted by reference. Source: Ordinance 645, City of Benson.; 2024 International Plumbing Code (IPC), as amended by Exhibit E to Resolution 11-2026, adopted by reference. Source: Ordinance 645, City of Benson.; 2024 International Fuel Gas Code (IFGC), as amended by Exhibit F to Resolution 11-2026, adopted by reference. Source: Ordinance 645, City of Benson.; 2024 International Existing Building Code (IEBC), as amended by Exhibit G to Resolution 11-2026, adopted by reference. Source: Ordinance 645, City of Benson.; 2024 International Swimming Pool and Spa Code (ISPSC), as amended by Exhibit H to Resolution 11-2026, adopted by reference. Source: Ordinance 645, City of Benson.; 2024 International Fire Code (IFC), as amended by Exhibit I to Resolution 11-2026, adopted by reference as the City's uniform fire code. Source: Ordinance 645, City of Benson.; 2024 International Property Maintenance Code (IPMC), as amended by Exhibit J to Resolution 11-2026, adopted by reference. Source: Ordinance 645, City of Benson.; 2023 National Electrical Code (NEC), as published by the National Fire Protection Association, adopted by reference as amended by Exhibit C to Resolution 11-2026 (one edition behind the 2024 ICC set, consistent with the standard NFPA/ICC release-cycle offset). Source: Ordinance 645, City of Benson.; Immediately prior to Ordinance 645 (i.e., for plans submitted and approved before May 13, 2026), the City had adopted the 2015 editions of the International Building, Residential, Mechanical, Plumbing, Fuel Gas, Existing Building, Swimming Pool and Spa, and Property Maintenance Codes, plus the 2015 International Fire Code and 2014 NFPA 70 National Electrical Code, per the former Benson City Code Chapter 7, Section 7-1-1 (Resolution 36-2017). Source: City of Benson Building Department page (Wayback Machine capture, November 24, 2025) and City Code of the City of Benson, Arizona (posting updated April 2023).; Manufactured homes, mobile homes, and factory-built buildings: the City of Benson has an Inspection Services Agreement with the Arizona Department of Housing (ADOH), effective May 3, 2021 for a five-year term, under which the City (as ADOH's local enforcement agency) monitors and enforces ADOH's installation standards (A.R.S. § 41-4004(A)(4); A.A.C. R4-34-102, R4-34-204, R4-34-606, R4-34-801) for manufactured home, mobile home, and factory-built building installations within city limits, including setback and tie-down inspections. Source: Resolution 11-2021 and attached Inspection Services Agreement Between Arizona Department of Housing and City of Benson.; ICC A117.1-2017 Standard and Commentary (Accessible and Usable Buildings and Facilities) is referenced by the City as its accessibility standard, in addition to the federal ADA framework. Source: City of Benson Building Department page.. Local amendments apply — see the Benson overview page for the full list.

The 2024 IRC and 2024 IBC, as adopted and amended by the City of Benson via Ordinance 645 (April 13, 2026), apply to all new applications received on or after May 13, 2026. Plans already in review or approved before that date remain on the previous 2015 IRC/IBC cycle.