Do I need a permit for an ADU or garage conversion in Las Vegas, NV?

Short answer: Yes, a permit is required for an ADU or garage conversion in Las Vegas, NV.

Last verified: 2026-10-19 · Confidence: high · Status: Verified from official source

Not legal advice. Always confirm with your local building department. Rules change, and your parcel's zoning, HOA, historic district, floodplain or utility work can change the answer. We show the official source and the date we last checked it so you can verify for yourself.

Permit required Confidence: high

Yes. Converting a garage into living space needs permits and plans.

What changes the answer

Plans required

Cost

Fee not extracted; see City of Las Vegas Building & Safety. Unverified, confirm locally

Fee source: https://www.lasvegasnevada.gov/Business/Permits-Licenses/Online-Permits-List

Where to apply

City of Las Vegas Building & Safety (online permits)

Permitting authority: City of Las Vegas Department of Community Development, Building & Safety Division. Applies inside City of Las Vegas limits only. Much of the Las Vegas area (including the Strip, Paradise, Spring Valley and Enterprise) is unincorporated Clark County, which has its own rules. See also: how to apply for a building permit.

Official sources

“If you reconfigure any existing room, garage, patio, balcony, etc. into something new”

Source: https://files.lasvegasnevada.gov/building-safety/Forms/General/When-do-I-need-a-permit-English-10-2025.pdf

“convert a garage into habitable space”

Source: https://files.lasvegasnevada.gov/building-safety/Forms/General/When-do-I-need-a-permit-English-10-2025.pdf

Verified: 2026-10-19 · Status: verified · Confidence: high

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