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Summerlin, NV

Home Additions in Summerlin

Build4U is a licensed Summerlin home addition contractor designing and building primary-suite expansions, family-room extensions and second-story additions across The Ridges, Red Rock Country Club, The Paseos, The Vistas and Summerlin Centre. We handle structural engineering, City of Las Vegas permits, Summerlin Council architectural review, foundation and finish under one contract.

Full home additions details
Home addition under construction at a Summerlin Las Vegas residence by Build4U

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Working in Summerlin

Summerlin additions often need to preserve a Red Rock view line — we engineer flush structural beams, reposition window walls and adjust roof profiles so the new volume opens to the view without overshadowing it. Summerlin Council and sub-HOA architectural submittals are coordinated in parallel with the City of Las Vegas plan check.

Permits & review

City of Las Vegas permitting handled in-house, including structural, mechanical, electrical and plumbing. Summerlin Council and sub-HOA architectural submittals coordinated for The Ridges, Red Rock CC, The Paseos and The Vistas.

Neighborhoods we serve

  • The Ridges
  • Red Rock Country Club
  • Summerlin Centre & Downtown Summerlin
  • The Paseos
  • The Vistas
  • Sun City Summerlin
Neighborhood pages in Summerlin

Nevada State Contractors Board GC license #0095372 · General liability + workers' comp · BBB-rated · Over a decade building in the Las Vegas Valley.

Summerlin pricing

What a home additions typically costs in Summerlin

Summerlin addition pricing reflects both the finish expectations and the architectural review that comes with any exterior change. Real 2025 Summerlin ranges:

Room addition
$135,000 – $230,000
  • 250–450 sq ft single-story addition
  • New foundation and roof tie-in
  • HVAC and electrical extended from existing
  • Stucco and tile roof matched to the house
  • Windows and doors
  • City of Las Vegas permits + Council review
Primary suite or great-room addition
$250,000 – $450,000
  • 500–900 sq ft addition
  • Full bath or kitchen extension included
  • Engineered structural tie-in
  • New HVAC zone and load recalculation
  • Custom millwork and finishes
  • Summerlin Council + sub-HOA review handled
Second-story addition
$475,000 – $900,000+
  • 800–1,500 sq ft second story
  • Foundation and existing-wall structural upgrade
  • New stair and full load path
  • Complete mechanical, electrical and plumbing
  • Roof removal and rebuild
  • Full architectural and engineering package

Process

How a Summerlin home additions runs, week by week

  1. 01Weeks 1–3
    Feasibility & survey

    Setback and lot-coverage check, existing foundation and roof-tie-in assessment, and a realistic scope-and-budget conversation before design.

  2. 02Weeks 4–10
    Design & engineering

    Architectural drawings tying the addition into the existing structure, structural engineering for the new load path and roof connection, elevations matched to the existing facade, and a full finish spec.

  3. 03Weeks 11–17
    Permits & HOA

    Permit submittal with structural calcs, plus HOA architectural review — additions always trigger review because they change the exterior. Both run in parallel.

  4. 04Weeks 18–24
    Foundation & framing

    Excavation, footings, slab, framing and roof tie-in, windows and doors, then stucco and roofing matched to the existing house.

  5. 05Weeks 25–30
    Rough-in & close-up

    Plumbing, electrical and HVAC extended from the existing systems (we verify panel and unit capacity first), insulation, drywall and texture.

  6. 06Weeks 31–36
    Finishes & handover

    Flooring, cabinetry, tile, paint, trim, lighting, final inspections, punch list and handover with the warranty binder.

Local detail

What's different about a home addition in Summerlin

Every Summerlin addition goes through Summerlin Council architectural review, and in The Ridges or Red Rock Country Club through a sub-HOA review as well. Additions change the exterior by definition, so there is no interior-only exemption. Plan on 4–8 weeks for the full chain and design the packet to pass on the first pass.

Neighbor sightlines carry real weight in Summerlin review — particularly for second-story additions that could overlook an adjacent yard or block a view corridor. We run the sightline analysis during design and adjust massing and window placement before submitting, because a rejection on sightlines is expensive to redesign around.

Tile roof matching matters more here than anywhere else in the Valley. Summerlin roofs are visible from the street and from hillside neighbors, and a mismatched tile plane is exactly what a review committee rejects. We source profile and color matches during design and, where profiles are discontinued, relocate original tile to the visible elevation.

Summerlin's larger lot programming — pools, built-in outdoor kitchens, mature landscape — means the buildable rear-yard envelope is often smaller than it looks. We overlay setbacks and existing improvements on a survey before drawing so the addition footprint is real from the start.

Permits & jurisdiction

Addition permits go to the City of Las Vegas with a full structural submittal — engineered calculations for the new foundation, framing and roof tie-in, plus reinforcement of existing walls and footings on second stories — along with mechanical, electrical and plumbing. Plan review typically runs 4–8 weeks. Summerlin Council architectural review is mandatory for additions and runs in parallel, with sub-HOA review stacked on top where it applies.

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What Summerlin homeowners say

"Most contractors disappear after the deposit. This team showed up every single day."

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Summerlin FAQ

Home Additions in Summerlin, answered.