Skip to main content
PermitBase

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 2026-07-16 · 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

Check off what you have — your progress is saved on this device.

Not ready yet0 of 2 required documents checked.

This checker covers one permit. A full project usually triggers several — our checklist will assemble all of them, free →

Fee schedule

Residential Addition — 500 sq ftEstimated from City of Las Vegas Permit Fee Estimator (Single-Family Residential Addition)
$1,004 total (Admin: $55 + Plans Check: $308 + Inspection: $641)

Review timeline

Plan reviewTypical estimate — confirm current times with the Las Vegas building department
~5–20 business days

How long did your Residential Addition / Remodel permit actually take in Las Vegas?

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

Inspection process

  1. 1

    Framing Inspection

    Required when framing is complete and before insulation or drywall

  2. 2

    Final Inspection

    Required upon completion of addition/remodel

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

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

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).

In Las Vegas, the published Residential Addition — 500 sq ft is: $1,004 total (Admin: $55 + Plans Check: $308 + Inspection: $641). 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 / remodel permit in Las Vegas typically runs 5–20 business days. This is an estimate, not a published figure — confirm current review times with City of Las Vegas Building & Safety (Community Development Department) at (702) 229-6251.

You'll need: Building Permit Application; Construction Drawings. Depending on your project, Las Vegas may also ask for: Energy Compliance Documentation. See the required-documents checklist on this page for details on each.

Las Vegas requires 2 inspection(s) for a residential addition / remodel permit, in order: Framing Inspection, Final Inspection. Schedule each through City of Las Vegas Building & Safety (Community Development Department) ((702) 229-6251).

Apply through City of Las Vegas Building & Safety (Community Development Department) at First Floor Lobby, City Hall, 495 S. Main St., Las Vegas, NV 89101. Phone: (702) 229-6251, email: techs@lasvegasnevada.gov. Office hours: Mon–Thu 7:00 AM – 5:30 PM, Fri 7:00 AM – 11:30 AM (closed holidays). Official information: https://www.lasvegasnevada.gov/Business/Planning-Zoning/Building-Safety.

Las Vegas, Nevada has adopted: 2024 International Building Code (IBC) with Southern Nevada local amendments — effective January 5, 2026; 2024 International Residential Code (IRC) with Southern Nevada local amendments — effective January 5, 2026; 2024 International Existing Building Code (IEBC) — effective January 5, 2026; 2024 International Swimming Pool and Spa Code (ISPSC) — effective January 5, 2026; 2024 International Energy Conservation Code (IECC) with Southern Nevada local amendments — effective January 5, 2026; 2024 International Fire Code (IFC) — effective January 5, 2026; 2024 International Wildland-Urban Interface Code (IWUIC) — effective January 5, 2026; 2024 Uniform Plumbing Code (UPC) with Southern Nevada local amendments — effective January 5, 2026 (NOTE: UPC, not IPC); 2024 Uniform Mechanical Code (UMC) with Southern Nevada local amendments — effective January 5, 2026 (NOTE: UMC, not IMC); 2023 National Electrical Code (NEC) with local amendments — effective January 5, 2026; 2019 City of Las Vegas Administrative Code — remains in effect. Local amendments apply — see the Las Vegas overview page for the full list.

Sources & verification

Verified against official sources. Last reviewed 2026-07-16.

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.