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Basement Finish Permit in Riverton, Utah

Required for finishing or remodeling an unfinished basement in Riverton, including framing, electrical, plumbing, and HVAC work. Fees are valuation-based using a square-footage multiplier.

Verified 2026-06-30 · Source

When you need this permit

  • Framing walls in an unfinished basement
  • Adding a bedroom (requires egress window per IRC R310)
  • Adding a bathroom (plumbing permit required)
  • Electrical wiring for new rooms
  • Any structural modifications

Required documents

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Fee schedule

Basement Finish — Existing HomeRiverton City FY2025-26 Adopted Fee Schedule, line 168. Example: 600 sq ft = $20 × 600 = $12,000 valuation → $226 permit fee per UBC table.
$20.00 per square foot × finished area = valuation; then apply 1994 Modified UBC 1-A Fee Table
Basement — Finished (new construction)Riverton City FY2025-26 Adopted Fee Schedule, line 167
$35.00 per square foot × area = valuation; then apply 1994 Modified UBC 1-A Fee Table
Basement — Unfinished (new construction)Riverton City FY2025-26 Adopted Fee Schedule, line 166
$15.00 per square foot × area = valuation; then apply 1994 Modified UBC 1-A Fee Table
Plan Check — Basement FinishesRiverton City FY2025-26 Adopted Fee Schedule, line 177
$25.00
Re-Inspection FeeRiverton City FY2025-26 Adopted Fee Schedule, line 180
$50.00 per occurrence

Review timeline

Plan reviewTypical estimate — confirm current times with the Riverton building department
~5–14 business days

How long did your Basement Finish Permit permit actually take in Riverton?

Anonymous — one question, no email. Answers are combined and only shown once at least 5 people have reported.

Inspection process

  1. 1

    Framing

    Wall framing, fire blocking, egress window wells and openings verified.

  2. 2

    MEP Rough-In

    Electrical, plumbing, and HVAC rough-ins before walls closed.

  3. 3

    Insulation

    Insulation on exterior walls (except attic blown-in), including foam at windows, doors, and plate penetrations.

  4. 4

    Final

    Drywall, fixtures, smoke and CO detectors, and all finishes complete.

See the full Riverton inspection guide — scheduling & re-inspection fees →

Tips

  • Every basement bedroom in Riverton requires an egress window — 5.7 sq ft minimum net clear opening, sill no higher than 44 inches above the floor, per the adopted 2021 IRC.
  • Window wells deeper than 44 inches require a permanently attached ladder or steps.
  • The furnace/water heater room needs combustion air — do not fully enclose it without an approved air supply.
  • Smoke detectors are required in every bedroom, outside sleeping areas, and on every level.
  • Basement finish valuation in Riverton: existing home remodel = $20/sq ft; new finished basement = $35/sq ft; new unfinished = $15/sq ft.

Frequently asked questions

Yes, for any room used as a bedroom. Riverton follows the 2021 IRC requirement: minimum 5.7 sq ft net clear opening, sill height no more than 44 inches above the floor, with a window well if below grade.

In Riverton, the published Basement Finish — Existing Home is: $20.00 per square foot × finished area = valuation; then apply 1994 Modified UBC 1-A Fee Table. Additional published fees: Basement — Finished (new construction) — $35.00 per square foot × area = valuation; then apply 1994 Modified UBC 1-A Fee Table; Basement — Unfinished (new construction) — $15.00 per square foot × area = valuation; then apply 1994 Modified UBC 1-A Fee Table; Plan Check — Basement Finishes — $25.00; Re-Inspection Fee — $50.00 per occurrence. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Plan review for a basement finish permit in Riverton typically runs 5–14 business days. This is an estimate, not a published figure — confirm current review times with Riverton City Building Division at (801) 208-3138.

You'll need: Building Permit Application; Floor Plan; Electrical Plan; Mechanical Plan. Depending on your project, Riverton may also ask for: Plumbing Plan. See the required-documents checklist on this page for details on each.

Riverton requires 4 inspection(s) for a basement finish permit, in order: Framing, MEP Rough-In, Insulation, Final. Schedule each through Riverton City Building Division ((801) 208-3138).

Apply through Riverton City Building Division at 12830 S Redwood Road, Room 105, Riverton, UT 84065. Phone: (801) 208-3138, email: building@rivertonutah.gov. Office hours: Mon–Fri 8:00 AM – 5:00 PM. Official information: https://www.rivertonutah.gov/building/.

Riverton, Utah has adopted: 2024 International Building Code (IBC), including Appendices C and J — Riverton City Code § 15.10.010 (dynamic adoption clause: 'the most recent version... adopted by the state of Utah... [with] adoption of updated versions by the state of Utah after the date of this chapter [having] the effect of updating Riverton City's building code(s)'); Utah Code § 15A-2-103(1)(a); effective 2026-07-01, superseded the 2021 edition that had been in effect since July 1, 2023; 2021 International Residential Code (IRC), including Appendices AE and AQ — Riverton City Code § 15.10.010; Utah Code § 15A-2-103(1)(b)/(c)/(k); unchanged by the 7/1/2026 code cycle; 2024 International Plumbing Code (IPC) — Riverton City Code § 15.10.010; Utah Code § 15A-2-103(1)(d); effective 2026-07-01, superseded the 2021 edition that had been in effect since July 1, 2023; 2024 International Mechanical Code (IMC) — Riverton City Code § 15.10.010; Utah Code § 15A-2-103(1)(e); effective 2026-07-01, superseded the 2021 edition that had been in effect since July 1, 2023; 2024 International Fuel Gas Code (IFGC) — Riverton City Code § 15.10.010; Utah Code § 15A-2-103(1)(f); effective 2026-07-01, superseded the 2021 edition that had been in effect since July 1, 2023; 2023 National Electrical Code (NEC) — Utah Code § 15A-2-103(1)(g); statewide adoption; unchanged by the 7/1/2026 code cycle; also listed on rivertonutah.gov/building/code.php; Residential provisions of Chapter 11, Energy Efficiency, of the 2015 International Residential Code — rivertonutah.gov/building/code.php item 7 (verified live 2026-07-16, wording unchanged from before this fix); Riverton's own residential-energy baseline citation, distinct from the statewide IECC line below and NOT altered by the 7/1/2026 code cycle per the city's own current page; 2024 International Energy Conservation Code (IECC), commercial provisions — Riverton City Code § 15.10.010; Utah Code § 15A-2-103(1)(h); effective 2026-07-01, superseded the 2021 edition that had been in effect since July 1, 2023; 2024 International Existing Building Code (IEBC) — Riverton City Code § 15.10.010; Utah Code § 15A-2-103(1)(i); effective 2026-07-01, superseded the 2021 edition that had been in effect since July 1, 2023; ICC/ANSI A117.1-2009 — rivertonutah.gov/building/code.php item 10; 2024 International Swimming Pool and Spa Code (ISPSC), residential provisions — Utah Code § 15A-2-103(1)(n); effective 2026-07-01, superseded the 2021 edition that had been in effect since July 1, 2023; NOTE (verified 2026-07-16): Riverton's own 'Building Codes in Use in Riverton City' list at rivertonutah.gov/building/code.php is headed 'Effective July 1, 2023' and still enumerates the 2021 IBC/IRC/IPC/IMC/IFGC, 2021 IEBC, and 2021 ISPSC, plus 'Commercial provisions of the 2021 International Energy Conservation Code' — that page has NOT been updated for the 7/1/2026 code cycle. However, Riverton City Code § 15.10.010 itself dynamically adopts 'the most recent version... adopted by the state of Utah' and states that state updates automatically update Riverton's code with no separate city action required — so as a matter of law the 2024 editions already govern in Riverton regardless of the outdated summary page. Confirmed directly against Utah Code § 15A-2-103 (version effective 7/1/2026, superseded 1/1/2027) at le.utah.gov.. Local amendments apply — see the Riverton overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-06-30.

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 Riverton building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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Basement Finish Permit in other cities

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