Residential Addition / Remodel in Las Vegas, Nevada
Required for additions to existing single-family dwellings and interior/exterior remodels that affect structural elements, square footage, or systems. Covered under 2024 IRC with Southern Nevada amendments.
Verified 2026-06-30 · Source
When you need this permit
- Permit required for all structural additions, room additions, garage conversions, and remodels affecting walls, roof, or floor systems
- Interior remodels affecting structural members, electrical, plumbing, or mechanical also require permits
- Submit application at Development Services Center, City Hall, 495 S. Main St.
- Plans must show existing conditions and proposed work
- Energy compliance documentation required for additions per 2024 IECC
Required documents
- Req
Building Permit Application
City of Las Vegas permit application
- Req
Construction Drawings
Plans showing existing and proposed conditions, dimensions, structural details
- Opt
Energy Compliance Documentation
Required for new conditioned space additions under 2024 IECC
Fee schedule
| Fee type | Amount | Notes |
|---|---|---|
| Residential Addition — 500 sq ft | $1,004 total (Admin: $55 + Plans Check: $308 + Inspection: $641) | Estimated from City of Las Vegas Permit Fee Estimator (Single-Family Residential Addition) |
Review timeline
~5–20 business days
Typical estimate — confirm current times with the Las Vegas building department
Inspection process
- 1
Framing Inspection
Required when framing is complete and before insulation or drywall
- 2
Final Inspection
Required upon completion of addition/remodel
Tips
- Exterior improvements (siding, stucco, windows) may be processed over-the-counter as a separate permit type at lower cost
- Separate permits are required for electrical, plumbing, and mechanical work associated with an addition
Frequently asked questions
- Is a permit required for replacing windows or exterior stucco?
- Yes. Exterior improvements including siding, stucco, and window replacement require a permit, processed as an over-the-counter permit ($151 inspection + $135 plan check = $286 plus $55 admin).
Sources & verification
Verified against official sources. Last reviewed 2026-06-30.
- City of Las Vegas Building & Safety (Community Development Department) — official building department
- City of Las Vegas Permit Fee Estimator — Residential Addition
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 Las Vegas building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.
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