Deck Permit in Lehi, Utah
Required for new deck construction, replacement, or structural modifications to existing decks in Lehi.
Verified 2026-06-27 · Source
When you need this permit
- New deck construction over 200 square feet
- Decks more than 30 inches above grade
- Attached decks (ledger board connection to house)
- Structural modifications to existing decks
Required documents
- Req
Deck Plans
Framing plan with beam/joist sizes, post locations, and footing details
- Req
Site Plan
Showing deck location with setbacks from property lines
- Req
Ledger Detail
Connection detail for attached decks per IRC R507.2
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Deck Permit | $75-$150 based on square footage | — |
| Plan Review | 50-65% of permit fee | — |
Review timeline
~5–14 business days
Typical estimate — confirm current times with the Lehi building department
Inspection process
- 1
Footings
Verify footing depth (below frost line), diameter, and rebar before concrete pour
- 2
Framing
Posts, beams, joists, ledger connection, and hardware
- 3
Final
Decking, stairs, guards, and railings complete — 36-inch guard height required
Tips
- Footings in Lehi must extend below the frost line (typically 30 inches in Utah).
- Deck guards are required when the deck surface is 30 inches or more above grade.
- Ledger boards must be positively attached with lag screws or through-bolts — nails are not allowed.
- Free-standing decks under 200 sq ft and under 30 inches high may not require a permit — check with Lehi first.
Frequently asked questions
- Do I need a permit to build a deck in Lehi?
- Yes, in most cases. Lehi requires a permit for decks over 200 square feet, decks more than 30 inches above grade, and any deck attached to the house. Small ground-level platforms may be exempt.
- How deep do deck footings need to be in Lehi?
- Deck footings in Lehi must extend below the frost line, which is typically 30 inches in the Utah Wasatch Front area. Your specific area may vary — check with Lehi building department.
Sources & verification
Key facts verified against official sources. Last reviewed 2026-06-27.
- Lehi City Building and Inspections — official building department
- Lehi City Code 10-2-2 — Building Permit & Plan Review Fees
Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Lehi building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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