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Residential Addition in Sandy, Utah

Required for adding livable square footage to an existing single-family home, including room additions, garage conversions, and attached accessory apartment additions. Fee is based on total project valuation.

Verified 2026-06-29 · Source

When you need this permit

  • Addition to an existing single-family or duplex residential structure
  • Complete drawings showing existing structure and proposed addition
  • Site plan with updated setbacks and lot coverage
  • Energy code compliance for new conditioned space

Required documents

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Fee schedule

Addition — total valuation < $10,000Sandy City 2026 Consolidated Fee Schedule, § 3122 Building Permit Fees, Residential Permits — Addition
$345
Addition — total valuation $10,000–$50,000Sandy City 2026 Consolidated Fee Schedule, § 3122
$527
Addition — total valuation $50,000–$100,000Sandy City 2026 Consolidated Fee Schedule, § 3122
$1,987
Addition — total valuation $100,000–$250,000Sandy City 2026 Consolidated Fee Schedule, § 3122
$2,867
Addition — total valuation $250,000–$500,000Sandy City 2026 Consolidated Fee Schedule, § 3122
$4,584
Addition — total valuation $500,000–$1,000,000Sandy City 2026 Consolidated Fee Schedule, § 3122
$6,196
Addition — total valuation $1,000,000–$2,500,000Sandy City 2026 Consolidated Fee Schedule, § 3122
$8,614
Addition — total valuation > $2,500,000Sandy City 2026 Consolidated Fee Schedule, § 3122
$11,001
Plan Review FeeSandy City 2026 Consolidated Fee Schedule, § 3122
65% of the building permit fee
State Building Fee SurchargeSandy City 2026 Consolidated Fee Schedule, § 3122 — state-regulated surcharge
1% of total permit fee
Re-Inspection FeeSandy City 2026 Consolidated Fee Schedule, § 3122
$70

Review timeline

Plan reviewTypical estimate — confirm current times with the Sandy building department
~7–21 business days

How long did your Residential Addition permit actually take in Sandy?

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

Inspection process

  1. 1

    Foundation / Footing

    Before concrete pour if addition requires new foundation work

  2. 2

    Framing

    After framing and rough-in MEP work — before insulation or wall cover

  3. 3

    Insulation

    Verify insulation meets adopted IECC requirements before drywall

  4. 4

    Final

    All work complete; addition approved for occupancy

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

Tips

  • Accessory apartments within additions require an Accessory Apartment permit — use that category if adding a separate living unit.
  • Have a contractor cost estimate ready; fees are based on total project valuation.

Frequently asked questions

Yes. Any addition to a residential structure in Sandy requires a building permit regardless of size.

In Sandy, the published Addition — total valuation < $10,000 is: $345. Additional published fees: Addition — total valuation $10,000–$50,000 — $527; Addition — total valuation $50,000–$100,000 — $1,987; Addition — total valuation $100,000–$250,000 — $2,867; Addition — total valuation $250,000–$500,000 — $4,584; Addition — total valuation $500,000–$1,000,000 — $6,196; Addition — total valuation $1,000,000–$2,500,000 — $8,614; Addition — total valuation > $2,500,000 — $11,001; Plan Review Fee — 65% of the building permit fee; State Building Fee Surcharge — 1% of total permit fee; Re-Inspection Fee — $70. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Plan review for a residential addition permit in Sandy typically runs 7–21 business days. This is an estimate, not a published figure — confirm current review times with Sandy City Building & Safety Division at (801) 568-7100.

You'll need: Building Permit Application; Construction Plans; Energy Compliance Documentation. See the required-documents checklist on this page for details on each.

Sandy requires 4 inspection(s) for a residential addition permit, in order: Foundation / Footing, Framing, Insulation, Final. Schedule each through Sandy City Building & Safety Division ((801) 568-7100).

Apply through Sandy City Building & Safety Division at 10000 Centennial Parkway, Sandy, UT 84070. Phone: (801) 568-7100. Office hours: Mon–Fri 8:00 AM – 5:00 PM. Official information: https://sandy.utah.gov/229/Building.

Sandy, Utah has adopted: 2024 International Building Code (IBC) — currently in effect as of July 1, 2026, superseding the 2021 IBC that was in effect through June 30, 2026 (Utah Code § 15A-2-103(1)(a)); 2021 International Residential Code (IRC) — currently in effect; unchanged by the July 1, 2026 statewide code-edition update (Utah Code § 15A-2-103(1)(b)); 2024 International Plumbing Code (IPC) — currently in effect as of July 1, 2026, superseding the 2021 IPC that was in effect through June 30, 2026 (Utah Code § 15A-2-103(1)(d)); 2024 International Mechanical Code (IMC) — currently in effect as of July 1, 2026, superseding the 2021 IMC that was in effect through June 30, 2026 (Utah Code § 15A-2-103(1)(e)); 2024 International Fuel Gas Code (IFGC) — currently in effect as of July 1, 2026, superseding the 2021 IFGC that was in effect through June 30, 2026 (Utah Code § 15A-2-103(1)(f)); 2023 National Electrical Code (NEC) — currently in effect; unchanged by the July 1, 2026 statewide code-edition update (Utah Code § 15A-2-103(1)(g)); 2024 International Energy Conservation Code (IECC) — currently in effect as of July 1, 2026, superseding the 2021 IECC that was in effect through June 30, 2026 (Utah Code § 15A-2-103(1)(h)); 2024 International Existing Building Code (IEBC) — currently in effect as of July 1, 2026, superseding the 2021 IEBC that was in effect through June 30, 2026 (Utah Code § 15A-2-103(1)(i)); Residential provisions of the 2024 International Swimming Pool and Spa Code (ISPSC) — currently in effect as of July 1, 2026, superseding the 2021 ISPSC that was in effect through June 30, 2026 (Utah Code § 15A-2-103(1)(n)); NOTE (updated 2026-07-16): the July 1, 2026 transition forecast in the prior version of this entry has now occurred — confirmed live against Utah Code § 15A-2-103, current version (effective 7/1/2026, superseded 1/1/2027), read at le.utah.gov/xcode/Title15A/Chapter2/15A-2-S103.html. This file cites no Sandy-specific code-adoption webpage; all codesAdopted entries above are sourced directly from the statute.. Local amendments apply — see the Sandy overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-06-29.

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

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