Residential Addition / Remodel Permit in Boulder City, Nevada
VerifiedRequired for additions and remodels to existing single-family homes and townhomes in Boulder City, reviewed against the 2018 IRC, 2018 IECC, and other adopted codes with Southern Nevada Building Code Amendments.
Verified 2026-07-03 · Source
When you need this permit
- Building permit required for residential additions and remodels affecting structural, mechanical, plumbing, or electrical systems
- Plans must comply with the City's adopted 2018 IRC, 2018 IECC, 2018 UMC, 2018 UPC, 2017 NEC, all with Southern Nevada Building Code Amendments
- A geotechnical investigation report is required if the addition is 600 square feet or larger (may be exempted below that size at the Building Official's discretion if there are no known geotechnical hazard concerns)
- Truss calculations may be deferred but must be reviewed and accepted by the design professional responsible for the structural design
- Detached structures (garage, fence/wall, pool) require separate permit applications
Required documents
- Required
Application for Building Permit
Must include the property owner's email address
- Required
Residential — New Construction (Addition) or Residential — Remodel Permit Submittal Checklist
City of Boulder City checklists (02/16/2021 V1) for additions and remodels respectively
- Required
Structural Calculations, Truss Calculations, Geotechnical Investigation Report, Energy Compliance Report, Electrical Load Calculations
Backup documentation per the plan-contents checklist
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Building Permit Fee — Table A, valuation-based (same schedule as new construction) | $27.00 minimum ($1-$500), scaling per Table A of the 2026 Administrative Code | 2026 Administrative Code, Table A |
| Permit Issuance Fee | $40.00 | 2026 Administrative Code, Section 110.2(A) |
| Building Plan Review Fee | 65% of the building permit fee | 2026 Administrative Code, Section 110.2(F) |
| Room Addition valuation (for owner-declared/self-estimated valuation) | $65.00 per square foot | 2020 Fee Schedule, 'Common Unit Costs Used to Calculate Valuation'; 2026 Administrative Code Table H |
Review timeline
14–21 business days
Boulder City’s published plan-review target
Inspection process
- 1
Footing/Foundation
Before concrete pour for addition footings
- 2
Framing
Structural connections to existing structure
- 3
Final
Completed work verified against approved plans
Tips
- The plan review timeframe for a first review of a Residential New Construction (Addition) is 2-3 weeks. Source: City of Boulder City Residential — New Construction (Addition) Permit Submittal Checklist (02/16/2021 V1).
- A geotechnical soils report may be waived for additions under 600 square feet at the Building Official's discretion if there are no known hazard concerns.
Frequently asked questions
- Do I need a soils report to build an addition in Boulder City?
- At the option of the Building Official, if the addition is less than 600 square feet and there are no known geotechnical soils hazard concerns, a soils report may be exempted. Source: City of Boulder City Frequently Asked Questions.
Sources & verification
Verified against official sources. Last reviewed 2026-07-03.
- City of Boulder City Community Development Department, Building and Safety Division — official building department
- Residential — New Construction (Addition) Permit Submittal Checklist (PDF) | Boulder City
- Residential — Remodel Permit Submittal Checklist (PDF) | Boulder City
- Frequently Asked Questions (PDF) | Boulder City
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 Boulder City building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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