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When a permit is required
Permit triggers and exempt work for Smithfield
Regulated construction requires local zoning compliance and a building permit issued by Cache County.
- Exempt Small detached accessory structures up to 200 square feet
- Exempt Fences up to 7 feet
- Exempt Certain low retaining walls
- Exempt Minor nonstructural repairs
Note: Utah/Cache County baseline exemptions generally apply unless local conditions require review.
- City planning/zoning approvals as needed
- Site plan
- County application
- Construction drawings
- Valuation
- Engineering where applicable
- Building code
- Utah State Construction Code, enforced for Smithfield permits through Cache County.
- Owner-builder
- No Smithfield-specific handout clearly located; Utah owner-builder rules apply.
- Contractor requirements
- Utah contractor licensure applies where required by state law.
Application process
Typical processing: No Smithfield-specific estimate clearly published.
- 01 Confirm Smithfield Community Development requirements, including zoning, subdivision, and land-use approvals.
- 02 Secure local zoning clearance or planning sign-off as required by Smithfield before county permit issuance.
- 03 Submit the building permit application and plan package to Cache County Building Division.
- 04 Revise plans if comments are returned by county staff or outside reviewers.
- 05 Pay county fees after approval.
- 06 Receive the permit from Cache County and call for required inspections.
Typical processing time: No Smithfield-specific estimate clearly published.
Fee schedule
Effective 2024
Paid to Cache County after permit approval.
Fees change periodically. Confirm at the official fee schedule ↗ (effective 2024) before budgeting.
Required inspections
Scheduling and sequence
- 435-755-1650 (phone)
Typical sequence: Typical county residential sequence is footing/foundation, roughs, framing, insulation where required, and final.
Frequently asked
Common questions about Smithfield permits
01 Do I need a building permit in Smithfield, UT? ▸
02 How much does a building permit cost in Smithfield, UT? ▸
03 How do I apply for a building permit in Smithfield, UT? ▸
04 How long does it take to get a building permit in Smithfield, UT? ▸
05 What work is exempt from building permits in Smithfield, UT? ▸
06 How do I schedule a building inspection in Smithfield, UT? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Smithfield City Community Development (local review) / Cache County Development Services Building Division (building permits) before applying. Jaspector is not legal advice.