Commercial Building Permit (New Construction / Tenant Improvement) in Wellton, Arizona

Wellton requires a commercial building permit (new construction / tenant improvement) for: Permit required to construct, enlarge, alter, repair, move, demolish, or change the occupancy of a building or structure within Wellton town limits — the Town's general permit requirement applies equally to commercial work; Two complete sets of plans required. Commercial plans must include: complete civil plans, storm water plans, landscaping plans, architectural plans, structural plans, mechanical plans, plumbing plans, electrical plans, and fire sprinkler plans, along with supporting specifications, calculations, reports, and other requirements based on the nature of the project (per the Town's Construction Plan Review Requirements handout, fetched and read 2026-08-01); Filed on the standard Town of Wellton Building Permit Application — 'Building' checkbox plus 'Plumbing'/'Mechanical'/'Electrical'/'Fire Sprinkler' as applicable; there is no separate commercial application form or commercial checkbox; The application's Official Use Only section has staff-completed square-footage and valuation breakouts that include commercial building categories (Warehouse, Office, Storage, Metal Building) plus Type of Construction, Occupancy Class, Occupant Load, Zoning District, and Flood Zone determinations — confirming commercial projects run through this same form and are classified at intake; Sub-contractors (plumbing, electrical, mechanical) must be listed with their Arizona ROC license numbers under the application's Sub-Contractors Information section; licensed contractors certify under A.R.S. § 32-1169A; Owner-developers building for sale or rent must contract with an Arizona-licensed general or specialty contractor and list all contractors on the application (A.R.S. § 32-1121 owner exemption does not cover for-sale/for-rent construction); Applications expire by limitation if no permit is issued within 180 days of the application date; plans may thereafter be returned or destroyed by the building official; Per SB 1598 (A.R.S. § 9-835(G)/(I)) as printed on the Town's own application: only one comprehensive request for additional information is allowed during the Substantive Review Time Frame; after the initial submittal and one resubmittal the permit must be granted or denied (denial requires a new application, new plans, and a new plan review fee). Applicants may optionally sign the application's A.R.S. § 9-835(H) option allowing multiple information requests, each adding a 25% extension to the Overall Time Frame; Permit issues once plans are approved, contractor documentation is received, and permit fees are paid (per the Construction Plan Review Requirements handout). If your project isn't listed, confirm with Town of Wellton Building Safety Division (Department of Community Development) at 928-785-3348 before starting work.

The Town publishes no fee schedule or valuation table — permit fees are calculated by Building Safety Division staff at intake based on project valuation under the adopted 2009 I-Codes, and the application form leaves the fee fields blank for staff. The one published figure is the plan review fee: 65% of the building permit fee, due when plans are submitted, covering the first review and one resubmittal (hourly charges after that).

The Town's own Construction Plan Review Requirements handout puts normal plan review at up to 30 working days for new commercial projects (the top of its published 5-to-30-working-day range). Under SB 1598 (A.R.S. § 9-835), the Town may make only one comprehensive request for additional information during substantive review unless the applicant signs the application's option allowing multiple resubmittals, each adding a 25% extension to the overall time frame.

You'll need: Building Permit Application; Two Complete Sets of Commercial Construction Plans; Supporting Specifications, Calculations, and Reports. Depending on your project, Wellton may also ask for: Yuma County Septic Permit (if applicable). See the required-documents checklist on this page for details on each.

Wellton requires 4 inspection(s) for a commercial building permit (new construction / tenant improvement), in order: Footing/Foundation, Underground/Under-Slab Utilities, Framing and Rough-In (Structural/Mechanical/Plumbing/Electrical), Final. Schedule each through Town of Wellton Building Safety Division (Department of Community Development) (928-785-3348).

Apply through Town of Wellton Building Safety Division (Department of Community Development) at 28634 Oakland Avenue, Wellton, AZ 85356 (mailing: PO Box 67, Wellton, AZ 85356). Phone: 928-785-3348, email: arivera@town.wellton.az.us. Office hours: Monday - Thursday, 6:30 a.m. - 5 p.m. (Town Hall operates a 4-day work week; closed Fridays). Building permit applications are processed by the Building Safety Division; contact person for permit application/review questions is Ashley Rivera, Permit Clerk (928-785-3348, arivera@town.wellton.az.us).. Official information: https://www.welltonaz.gov/1226/Building-Permits.

No. Commercial projects use the same standard Town of Wellton Building Permit Application as residential work (checkboxes: Building, Plumbing, Mechanical, Electrical, Fire Sprinkler, Demolition). The difference is the required plan set — commercial submittals must include complete civil, storm water, landscaping, architectural, structural, mechanical, plumbing, electrical, and fire sprinkler plans plus supporting specifications, calculations, and reports — and the review ceiling of 30 working days for new commercial projects.

No. The Town publishes no tenant-improvement application, fee, or timeline. A commercial interior alteration is permitted through the same standard Building Permit Application under the Town's general requirement covering alteration, repair, and occupancy changes, with plan sheets scaled to the project scope. Call the Building Safety Division (928-785-3348) to confirm which of the commercial plan sheets apply to a TI-only scope.