Commercial/Multi-Family Building Permit (New Construction, Tenant Improvement) in Unincorporated Santa Cruz County, Arizona

Unincorporated Santa Cruz County requires a commercial/multi-family building permit (new construction, tenant improvement) for: Required for all new commercial, industrial, and multi-family construction and any non-single-family structure in unincorporated Santa Cruz County; Separate plan approval required from Santa Cruz County Planning and Zoning Department (contact: 520-375-7683) in addition to Building Department plan review; Two complete hard-copy sets of plans (including 2 site plans), plus an electronic PDF copy emailed to permitting@santacruzcountyaz.gov; Contractor's Transaction Privilege Tax License Number required for projects over $50,000; Bond exemption certificate from the Arizona Department of Revenue required for contractors when construction value exceeds $50,000; TAC (Technical Advisory Committee) approval and Fire Department approval required for commercial projects per the County's Plan Submittal Check List. TAC is an interdepartmental Development Plan review (Fire District, Community Development, Public Works, Flood Control, Environmental Health, and the Building Dept. including ADWR/ADEQ/ADOT) administered by the Community Development Department; it requires a completed Development Plan application, a $300.00 fee (covers 3 reviews; $100.00 for each review thereafter), 2 full-size plan sets delivered to the Fire District of jurisdiction, and a cover sheet/plans stamped by a Registered Design Professional for grading/paving/drainage, improvements, and landscape/lighting. Confirmed live and current (Rev. 10/10/2025) — Santa Cruz County Community Development Dept., 'Technical Advisory Committee Development Plan — Submittal Requirements Check List,' https://www.santacruzcountyaz.gov/DocumentCenter/View/9364/TAC-Application-Development-Plan (chased 2026-07-23; this fee/process was previously undocumented in this entry).. If your project isn't listed, confirm with Santa Cruz County Building Department (a division of the Community Development Department, Planning & Building) at 520-375-7880 before starting work.

In Unincorporated Santa Cruz County, the published Building Permit Fee — valuation-based per Table 1-A is: Same Table 1-A valuation brackets as the residential permit (see Residential Building/Grading Permit fee entry for full table). Additional published fees: TAC (Technical Advisory Committee) Development Plan Review Fee — $300.00 flat (covers up to 3 reviews); $100.00 for each additional review thereafter; Plan Review Fee — 50% of the Building Permit Fee (commercial/multi-family/other, vs. 35% for one- and two-family residential); Zoning Clearance Fee — $50.00 flat. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Unincorporated Santa Cruz County's published plan-review target for a commercial/multi-family building permit (new construction, tenant improvement) is 15–150 business days.

You'll need: Building/Grading Permit Application; Plan Submittal Check List; Technical Advisory Committee (TAC) Development Plan — Submittal Requirements Check List. See the required-documents checklist on this page for details on each.

Unincorporated Santa Cruz County requires 3 inspection(s) for a commercial/multi-family building permit (new construction, tenant improvement), in order: Foundation/Footing, Rough Frame / Rough Electrical / Rough Plumbing / Rough Mechanical, Final. Schedule each through Santa Cruz County Building Department (a division of the Community Development Department, Planning & Building) (520-375-7880).

Apply through Santa Cruz County Building Department (a division of the Community Development Department, Planning & Building) at 2150 N. Congress Drive, Suite #206, Nogales, AZ 85621. Phone: 520-375-7880, email: permitting@santacruzcountyaz.gov. Office hours: Monday–Thursday, 7:00 AM – 6:00 PM. Due to the time required to accept or issue a building permit, no applications are accepted and no permits are issued after 5:00 PM. Source: Santa Cruz County Building Department page (live, browser-header fetch confirmed 2026-07-07) and Guidelines for Builders (Rev. 03/2014).. Official information: https://www.santacruzcountyaz.gov/440/Building-Department.

Unincorporated Santa Cruz County, Arizona has adopted: Arizona has NO statewide mandatory building code floor for general construction — code adoption is a per-city/county authority. Santa Cruz County independently adopts and administers its own construction codes for unincorporated areas through its Building Department (a division of Community Development). Source: Santa Cruz County Building Department page.; 2012 International Building Code (IBC), effective for all construction in the unincorporated areas of the County on September 1, 2013, per Ordinance No. 2013-03 (including all amendments). Source: Santa Cruz County Building Department page (live) and 'Guidelines for Builders' (Rev. 03/2014), https://www.santacruzcountyaz.gov/DocumentCenter/View/973/Guidelines-for-Builders.; 2012 International Building Code Standards, adopted alongside the 2012 IBC per Ordinance No. 2013-03. Source: Guidelines for Builders (Rev. 03/2014).; 2012 International Residential Code (IRC), adopted per Ordinance No. 2013-03. Source: Guidelines for Builders (Rev. 03/2014).; 2012 International Mechanical Code (IMC), adopted per Ordinance No. 2013-03. Source: Guidelines for Builders (Rev. 03/2014).; 2012 International Plumbing Code (IPC), adopted per Ordinance No. 2013-03. Source: Guidelines for Builders (Rev. 03/2014).; 2012 International Fire Code (IFC), adopted per Ordinance No. 2013-03. Source: Guidelines for Builders (Rev. 03/2014).; 2011 National Electrical Code (NEC) — one edition behind the 2012 I-Codes, consistent with typical NEC adoption lag; adopted per Ordinance No. 2013-03. Source: Guidelines for Builders (Rev. 03/2014). Independently corroborated by the 2018 Arizona Building Officials (AZBO) Directory, which lists Santa Cruz County as having adopted the 2012 IBC/IRC/IMC/IPC/IFC and 2011 NEC (https://www.azbo.us/documents/documents/2018_AZBO_Directory.pdf).; Santa Cruz County has also adopted a Zoning and Development Code (separate from the building-safety codes above) regulating zoning matters, setbacks, landscaping requirements, and swimming pools, administered by the Community Development Department's Planning & Zoning division. Source: Guidelines for Builders (Rev. 03/2014); Santa Cruz County Zoning and Development Code, https://www.santacruzcountyaz.gov/DocumentCenter/View/9059/Santa-Cruz-County-Zoning-and-Development-Code.; A subsequent Building Safety Code Ordinance and an Excavation and Grading Ordinance are both currently published and linked directly from the Building Department page (Building Safety Code Ordinance: https://www.santacruzcountyaz.gov/DocumentCenter/View/970/Building-Safety-Code-Ordinance; Excavation and Grading Ordinance: https://www.santacruzcountyaz.gov/DocumentCenter/View/972/Excavation-and-Grading-Ordinance), confirming the Building Department's code set is still active and in force as of this review. The Building Safety Code Ordinance PDF (970) is a large scanned image file that could not be machine-OCR'd during this review — a genuine access limitation, not an unpublished-code gap, since its existence, title, and the underlying 2012 I-Code adoption are independently confirmed by the live department page and the Guidelines for Builders document.; Grading permits are required in unincorporated Santa Cruz County for any grading exceeding 50 cubic yards, per Santa Cruz County Ordinance Nos. 2001-06 & 2007-05. A grading permit is issued only in conjunction with a building permit (with narrow exceptions for grading under Planning & Zoning jurisdiction or special cases approved by the Building Official). Source: Guidelines for Builders (Rev. 03/2014).. Local amendments apply — see the Unincorporated Santa Cruz County overview page for the full list.

Yes. All structures other than single-family residences — including commercial, industrial, and multi-family buildings — require separate plan approval from the Santa Cruz County Planning and Zoning Department, in addition to Building Department plan review and permit issuance. Source: Central Permits Plan Submittal Check-Off List (attached to Guidelines for Builders, Rev. 03/2014).