City of Las Vegas regulates oversized infill homes through LVMC Title 19 zoning lot-coverage caps, floor-area-ratio rules, and setback envelopes, with stricter standards in mature neighborhoods like John S Park and Huntridge historic district.
Las Vegas does not have a single mansionization ordinance like Los Angeles, but Title 19 zoning code controls bulk through lot coverage (typically 40 to 50 percent in R-1), floor-area ratios in some overlay districts, and side and rear setback envelopes that taper second-story massing. Historic overlay districts including John S Park and Huntridge layer additional design review through the Historic Preservation Commission. Tear-down replacement projects need full building permits and may trigger landscape, drainage, and SNWA turf-removal compliance. Strip-adjacent unincorporated lots follow Clark County zoning instead. Variances require Planning Commission approval with neighbor notice.
Building-permit denial, stop-work orders, civil fines per violation day, mandatory removal or redesign of non-conforming additions, and historic-district enforcement through commission hearings.
Las Vegas, NV
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See how Las Vegas's anti-mansionization rules stack up against other locations.
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