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Home Additions

Room Addition Las Vegas — Home Addition Contractor

Build4U is a licensed room addition and home addition contractor in Las Vegas — designing and building room additions, primary-suite expansions, family-room extensions and second-story additions across Henderson, Summerlin and the entire Valley. Every Las Vegas room addition covers structural engineering, permitting with the City of Las Vegas, City of Henderson, City of North Las Vegas or Clark County, foundation, framing and finish under one contract — so the new space reads as original to the house.

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$0 down financing available — payments from $99/mo (OAC). See options

Home addition under construction at a Las Vegas residence by Build4U

What's included

  • Feasibility, setback and lot-coverage review on your parcel
  • Architectural plans and structural engineering
  • Permitting with Clark County, City of Las Vegas, Henderson or North Las Vegas
  • Foundation, framing, roofing and exterior to match the existing house
  • Full MEP — electrical, plumbing, HVAC tied into existing systems
  • Interior finish — drywall, flooring, millwork, paint — to match adjacent rooms
Typical timeline
Most Las Vegas home additions run 4–7 months total — 8–14 weeks of design and plan check followed by 12–22 weeks on-site, depending on whether it's a single-room ground-floor addition or a full second story.
Investment
Home additions in the Las Vegas Valley typically run $155–$425 per square foot all-in, with most projects landing between $72,000 and $465,000+ depending on size, foundation type, second-story tie-ins and finish level.
See the full home addition cost breakdown
Materials we specify
Exterior stucco, window line and roof profile matched to the existing house. Interior finishes — flooring, trim, millwork, paint — carried through from the original rooms so the addition reads as continuous, not bolted on.

Service areas

Home Additions across the Las Vegas Valley

FAQ

Home Additions questions, answered.

More Las Vegas Valley cities

Home Additions across the Las Vegas Valley

Same design-build team, same licensed Nevada general contractor (NSCB #0095372) — a local page for every Nevada city we permit in, so the right neighborhoods, HOAs and review boards are covered.