Fence / Wall / Retaining Wall Permit in Unincorporated Pinal County, Arizona

Unincorporated Pinal County requires a fence / wall / retaining wall permit for: Walls/fences up to 7 feet high (from the side with the lowest adjacent grade) are exempt; a single row of masonry cap may exceed the 7-foot limit without triggering a permit; Retaining walls up to 4 feet high (bottom of footing to top of wall) are exempt, UNLESS supporting a surcharge over 2 feet in height; Walls, fences, and retaining walls exceeding these limits require a building permit AND plans prepared by an Arizona-registered engineer; Drainage openings at grade level recommended in solid fences to preserve natural sheet flow; contact Flood Control District (520-866-6411) for regulated washes; Contact Planning Division (520-866-6442) separately for zoning requirements on wall/fence location and height (setback rules are a Planning function, not Building Safety); Wall/Fence Permit Application requires parcel/section/township/range, lineal footage (subdivision walls only), and height x length calculation (retaining walls only). If your project isn't listed, confirm with Pinal County Building Safety Division (Community Development Department) at 520-509-3555 before starting work.

In Unincorporated Pinal County, the published Residential fence walls is: $126.00 for the first 500 lineal feet, plus $126.00 for every additional 500 lineal feet or fraction thereof. Additional published fees: Commercial & subdivision fence walls — $200.00 for the first 500 lineal feet, plus $200.00 for every additional 500 lineal feet or fraction thereof; Retaining walls — $0.25 x height x length. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Unincorporated Pinal County's published plan-review target for a fence / wall / retaining wall permit is 10–45 business days.

You'll need: Wall/Fence Permit Application; Information Bulletin 014 — Walls, Fences & Retaining Walls. See the required-documents checklist on this page for details on each.

Unincorporated Pinal County requires 2 inspection(s) for a fence / wall / retaining wall permit, in order: Footing Inspection, Final. Schedule each through Pinal County Building Safety Division (Community Development Department) (520-509-3555).

Apply through Pinal County Building Safety Division (Community Development Department) at 85 N. Florence Street, 1st Floor, Florence, AZ 85132 (mailing: P.O. Box 749, Florence, AZ 85132). Phone: 520-509-3555. Office hours: Monday–Friday 8:00 AM – 4:30 PM (Florence office). District offices in Apache Junction, Oracle, and Casa Grande are listed on department bulletins but noted as closed for Community Development as of the most recent published bulletin (Information Bulletin 004, Oct 2022) — confirm current district-office status by phone before visiting. Toll-free: 1-800-208-6897. Automated inspection line: 520-866-6299 (call before midnight the day before to get the next working day; areas of Mammoth, San Manuel, Dudleyville, Kearny, Superior & Top of the World are inspected only on Wednesdays).. Official information: https://www.pinal.gov/189/Building-Safety.

Unincorporated Pinal County, 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 for cities, A.R.S. §11-861 et seq. for counties). Pinal County's Building Safety Division administers construction codes directly for all unincorporated areas of the county under Pinal County Development Services Code Title 6, Chapter 6.05, and — per confirmed intergovernmental agreements (IGAs) — for the incorporated towns of Kearny, Superior, and Mammoth, which do not run their own building departments. Source: Pinal County Ordinance No. 121819-BCO (adopted 18 December 2019, effective 30 days later) and Information Bulletin 011 (Dec 2022), which lists Mammoth, San Manuel, Dudleyville, Kearny, Superior & Top of the World as areas the department directly inspects.; 2018 International Building Code (IBC), adopted with Pinal County amendments (Ordinance No. 121819-BCO, Exhibit A), including adopted Appendix I (Patio Covers), Appendix J (Grading), and Appendix K (ICC Electrical Code).; 2018 International Residential Code (IRC), adopted with Pinal County amendments (Ordinance No. 121819-BCO, Exhibit B), including adopted Appendices A, B, C, H, J, N, P, and S.; 2018 International Property Maintenance Code (IPMC), adopted with amendments (Ordinance No. 121819-BCO, Exhibit C).; 2018 International Mechanical Code (IMC), adopted with amendments (Ordinance No. 121819-BCO, Exhibit D).; 2018 International Plumbing Code (IPC), adopted with amendments (Ordinance No. 121819-BCO, Exhibit E).; 2017 National Electrical Code (NEC), adopted with amendments (Ordinance No. 121819-BCO, Exhibit F), including adopted Annex H (Administration and Enforcement).; 2018 International Swimming Pool and Spa Code (ISPSC), adopted with amendments (Ordinance No. 121819-BCO, Exhibit J).; 2018 International Energy Conservation Code (IECC), adopted with amendments (Ordinance No. 121819-BCO, Exhibit I).; 2018 International Fuel Gas Code (IFGC), adopted with amendments (Ordinance No. 121819-BCO, Exhibit G).; 2018 International Fire Code (IFC), adopted with amendments (Ordinance No. 121819-BCO, Exhibit H), including adopted Appendix B (Fire Flow Requirements) and Appendix D (Fire Apparatus Access).. Local amendments apply — see the Unincorporated Pinal County overview page for the full list.

Up to 7 feet, measured from the side of the wall/fence with the lowest adjacent grade (a single row of masonry cap may exceed this without a permit). Retaining walls are exempt up to 4 feet, measured from the bottom of the footing to the top of the wall. Anything taller requires a permit and Arizona-registered-engineer plans. Source: Information Bulletin 014 (https://www.pinal.gov/DocumentCenter/View/435)