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§ 02
When a permit is required
Permit triggers and exempt work for Millard County
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.
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
- 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)
- Exempt 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
- Exempt Fences not over 7 feet high
- Exempt Retaining walls not over 4 feet in height measured from the bottom of the footing, not supporting surcharge
- Exempt Ordinary repairs, including replacement of existing fixtures
- Exempt Painting, papering, tiling, carpeting, cabinets, countertops, and similar finish work
- Exempt 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.
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
- 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.
- Permit validity
- Default Utah-adopted IRC/IBC standard (180 days without commencement or ongoing activity) applies unless locally amended; confirm with the 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.
§ 03
Application process
Typical processing: Not publicly stated; contact the office for a current estimate.
- 01 Confirm project location is in unincorporated Millard County (not within an incorporated municipality boundary). Check with Planning and Zoning if uncertain.
- 02 Obtain the property legal description from the Millard County Recorder's Office.
- 03 Confirm the zoning designation from the county zoning administrator.
- 04 If public sewer is not available, obtain a wastewater (septic) permit from the Central Utah Public Health Department before submitting the building permit application.
- 05 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.
- 06 Download and complete the Building Permit Application or the Mechanical/Electrical/Plumbing Permit Application from the county forms pages.
- 07 Submit two plan sets plus all completed application forms to the Building Inspection Office at 71 South 200 West, Delta, UT.
- 08 Pay applicable permit fees upon approval.
- 09 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.
§ 04
Required inspections
Scheduling and sequence
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 sequence: Typical inspection sequence (residential new construction): Footing; foundation; framing/rough-in mechanical/electrical/plumbing; insulation; final inspection before occupancy.
§ 05
Frequently asked
Common questions about unincorporated Millard County permits
01 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.
02 How do I apply for a building permit in unincorporated Millard County, UT? ▸
To apply for a building permit in unincorporated Millard County, UT, follow these steps: 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.
03 How long does it take to get a building permit in unincorporated Millard County, UT? ▸
Building permit processing times in unincorporated Millard County, UT typically run Not publicly stated; contact the office for a current estimate.. Timelines can vary based on project complexity and current department workload.
04 What work is exempt from building permits in unincorporated Millard County, UT? ▸
Not all construction work requires a permit 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. When in doubt, confirm with the local building department before starting work.
05 How do I schedule a building inspection in unincorporated Millard County, UT? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Millard County, UT via: 435-864-1400.
last verified April 2026
source Millard County Building Inspection Department ↗
entry id permits/utah/millard/unincorporated
Educational reference. Permit rules and fees change — confirm current requirements directly with Millard County Building Inspection Department before applying. Jaspector is not legal advice.