Yavapai County, AZ Accessory Structures: Shed & Carport Rules (2026)
Shed permit rules in Yavapai County, AZ, also referred to as storage shed, backyard shed, or accessory building regulations, set size limits, setbacks, and when a building permit is required.
Key Facts
- Permit-exempt size
- Up to 400 sq ft under roof
- Height limit
- 12 feet from natural grade
- Floor height
- Finished floor 18 in. above grade max
- Parapet limit
- 10 feet from grade
- Source
- Ordinance 2025-4 §R105.2(1)
- Penalty
- $750 individual / $10,000 entity per day
Summary
Unincorporated Yavapai County waives a building permit for a detached, non-habitable storage shed as long as it stays under 400 square feet, tops out at 12 feet from natural grade, and sits with its finished floor no more than 18 inches above grade. Bigger sheds, or ones with plumbing or wiring, still need a permit.
R105.2: Work exempt from a permit. A permit shall not be required for the types of work in each of the separate classes of permits as listed below. These exemptions do not apply to commercial projects. Building permits. A building permit shall not be required for the following: 1. One-story, NON-HABITABLE detached accessory buildings on residential properties used as tool and storage sheds, garages, carports, playhouses, animal shades, barns, and similar uses, provided the area does not exceed 400 square feet under roof and not to exceed a height of 12 feet from natural grade to the mean roof height, and built at grade level with the finished floor not to exceed 18 inches above natural grade. Parapet structures' maximum wall height from grade shall not exceed 10 feet. Detached accessory buildings shall not be considered or used as habitable space. A separate building permit is required for any plumbing, electrical or mechanical systems in all detached buildings.
Full Breakdown
Ordinance No. 2 to exempt certain accessory buildings from a building permit. " Parapet walls on such a structure cannot exceed 10 feet from grade, and the building can never be used as habitable space. The exemption covers only the Building Safety permit; the ordinance itself warns that "Other Yavapai County regulatory agencies may have permit requirements for these exemptions," so a shed can still need a Zoning Clearance and must still meet the district's yard setbacks. Any plumbing, electrical or mechanical work inside the shed needs its own separate permit regardless of the shed's size. "
Violations & Fines
Building a shed over 400 square feet, or an otherwise-exempt shed with plumbing or electrical work, without first pulling a permit is a building code violation under Section R113.5. The Hearing Officer, acting under A.R.S. Sections 11-815 and 11-866, can impose a civil penalty up to $750 for an individual or $10,000 for an entity for each day the violation continues, in addition to any order to remove or bring the structure into compliance.
Frequently Asked Questions
Do I need a permit to build a storage shed in unincorporated Yavapai County?
Does the permit exemption cover a shed with electricity or plumbing?
Is a 400-square-foot exemption the same for a shed at my business?
Does skipping the building permit mean I can put the shed anywhere on my lot?
Sources & Official References
Other rules in Yavapai County
How Yavapai County compares: Shed Permit Requirements by City·Compare Yavapai County to another location·View the Arizona accessory structures overview
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