Millard County, UT - 2026 Building Permit Guide

Permit Authority

Applies to all unincorporated areas of Millard County; incorporated municipalities (Delta, Fillmore, Hinckley, Kanosh, Holden, Leamington, Lynndyl, Meadow, Oak City, Scipio) manage their own permit processes, though many contract with the county or use shared inspection services.

Department

Millard County Building Inspection Department

Address

71 South 200 West, PO Box 854, Delta, UT 84624

Phone

435-864-1400

Email

arichins@millardcounty.org

Website

https://millardcounty.gov/your-government/county-departments/building-inspection/

Application Process

1. Confirm project location is in unincorporated Millard County (not within an incorporated municipality boundary). Check with Planning and Zoning if uncertain.
2. Obtain the property legal description from the Millard County Recorder's Office.
3. Confirm the zoning designation from the county zoning administrator.
4. If public sewer is not available, obtain a wastewater (septic) permit from the Central Utah Public Health Department before submitting the building permit application.
5. Prepare two complete sets of plans per the county Residential Plan Policy, including: plot plan with property lines, structure location, setbacks, drainage slope, and utility locations; footing and foundation plan with rebar, specs, venting, and damp proofing; main floor plan addressing current code requirements; elevation drawings; and structural wall section drawings.
6. Download and complete the Building Permit Application or the Mechanical/Electrical/Plumbing Permit Application from the county forms pages.
7. Submit two plan sets plus all completed application forms to the Building Inspection Office at 71 South 200 West, Delta, UT.
8. Pay applicable permit fees upon approval.
9. Schedule required inspections through the county building office. Permit number is required when scheduling.

Typical processing time: Not publicly stated; contact the office for a current estimate.

Source: Millard County Building Inspection Department

General Requirements

It is unlawful to erect, construct, demolish, alter, or change the use of any building or structure in Millard County without an approved building permit. Any owner or authorized agent who intends to construct, enlarge, alter, repair, move, demolish, or change the occupancy of a building or structure, or to erect, install, or alter gas, mechanical, or plumbing systems, must first obtain the required permit.

Required Documents

• Completed building permit application
• Two full sets of plans per the Residential Plan Policy (plot plan, foundation plan, floor plans, elevations, wall sections)
• Property legal description
• Proof of wastewater/septic permit from Central Utah Public Health Department if not on public sewer
• Zoning designation from county zoning administrator

Permit validity

Default Utah-adopted IRC/IBC standard (180 days without commencement or ongoing activity) applies unless locally amended; confirm with the Building Official.

Building code

Utah statewide 2021 IBC, 2021 IRC, 2021 IMC, 2021 IPC, 2021 IECC, and current NEC, as adopted by Utah Code Title 15A; local amendments if any would be on file with the county Building Official.

Owner-builder

Homeowner-builder certification form available from the county; state law at Utah Code Section 58-55-305 governs owner-builder exemptions from contractor licensing.

Contractor requirements

Utah DOPL state contractor license required; county enforces state contractor licensing laws as part of its building services.

Fees

Payment note

No separately published county-wide fee schedule was located in indexed sources; contact the Building Official at 435-864-1400 for the current schedule. Partial data references fees of $45.00, $75.00, and $100.00 for certain permit types; full schedule not confirmed. Utah law imposes a 1% state surcharge on building permit fees.

Work That Does NOT Require a Permit

• A structure used solely in conjunction with agricultural use and not for human occupancy is exempt from the permit requirements of a state construction code (however, a plumbing, electrical, or mechanical permit may still be required when that work is included in the agricultural structure)
• One-story detached accessory structures used as tool and storage sheds, playhouses, and similar structures, provided the floor area does not exceed 200 square feet
• Fences not over 7 feet high
• Retaining walls not over 4 feet in height measured from the bottom of the footing, not supporting surcharge
• Ordinary repairs, including replacement of existing fixtures
• Painting, papering, tiling, carpeting, cabinets, countertops, and similar finish work
• Prefabricated swimming pools less than 24 inches deep

Important: At the discretion of the Building Official, any residential structure may require plans stamped by a licensed professional engineer or architect if the design has unique features. Verify with the county Building Official before treating any work as exempt.

Inspections

How to Schedule

• 435-864-1400 (phone)

Inspection hours

Monday-Thursday 8:00 a.m. - 5:30 p.m.; Friday 8:00 a.m. - 12:00 p.m.

Typical inspection sequence: Typical inspection sequence (residential new construction): Footing; foundation; framing/rough-in mechanical/electrical/plumbing; insulation; final inspection before occupancy.

Additional Resources

• Building code: Utah statewide 2021 IBC, 2021 IRC, 2021 IMC, 2021 IPC, 2021 IECC, and current NEC, as adopted by Utah Code Title 15A; local amendments if any would be on file with the county Building Official.
• Verify contractor license: Utah DOPL Contractor License Lookup
• Zoning information: View zoning info
• Owner-builder rules: View rules
• Millard County General Plan and Code Update
• Demolition Permit Form
• Mechanical/Electrical/Plumbing Permit Application
• Permitted Use Application (Planning and Zoning)
• County Code Library
• Central Utah Public Health Department (Wastewater/Septic Permits)
• License lookup guide: Utah Contractor License Requirements
• Contract template: Utah Homeowner-Contractor Agreement
• Utah hub: Utah Contractor License & Permit Hub

Frequently Asked Questions

Millard County Building Permit FAQ

Do I need a building permit in unincorporated Millard County, UT?

It is unlawful to erect, construct, demolish, alter, or change the use of any building or structure in Millard County without an approved building permit. Any owner or authorized agent who intends to construct, enlarge, alter, repair, move, demolish, or change the occupancy of a building or structure, or to erect, install, or alter gas, mechanical, or plumbing systems, must first obtain the required permit.

How do I apply for a building permit in unincorporated Millard County, UT?

1. Confirm project location is in unincorporated Millard County (not within an incorporated municipality boundary). Check with Planning and Zoning if uncertain. 2. Obtain the property legal description from the Millard County Recorder's Office. 3. Confirm the zoning designation from the county zoning administrator. 4. If public sewer is not available, obtain a wastewater (septic) permit from the Central Utah Public Health Department before submitting the building permit application. 5. Prepare two complete sets of plans per the county Residential Plan Policy, including: plot plan with property lines, structure location, setbacks, drainage slope, and utility locations; footing and foundation plan with rebar, specs, venting, and damp proofing; main floor plan addressing current code requirements; elevation drawings; and structural wall section drawings. 6. Download and complete the Building Permit Application or the Mechanical/Electrical/Plumbing Permit Application from the county forms pages. 7. Submit two plan sets plus all completed application forms to the Building Inspection Office at 71 South 200 West, Delta, UT. 8. Pay applicable permit fees upon approval. 9. Schedule required inspections through the county building office. Permit number is required when scheduling.

How long does it take to get a building permit in unincorporated Millard County, UT?

Typical processing time is Not publicly stated; contact the office for a current estimate..

What work is exempt from building permits in unincorporated Millard County, UT?

The following work is generally exempt: A structure used solely in conjunction with agricultural use and not for human occupancy is exempt from the permit requirements of a state construction code (however, a plumbing, electrical, or mechanical permit may still be required when that work is included in the agricultural structure); One-story detached accessory structures used as tool and storage sheds, playhouses, and similar structures, provided the floor area does not exceed 200 square feet; Fences not over 7 feet high; Retaining walls not over 4 feet in height measured from the bottom of the footing, not supporting surcharge; Ordinary repairs, including replacement of existing fixtures; Painting, papering, tiling, carpeting, cabinets, countertops, and similar finish work; Prefabricated swimming pools less than 24 inches deep. Note: At the discretion of the Building Official, any residential structure may require plans stamped by a licensed professional engineer or architect if the design has unique features. Verify with the county Building Official before treating any work as exempt.

How do I schedule a building inspection in unincorporated Millard County, UT?

Inspections can be scheduled via: 435-864-1400.