Home Additions in Prosper, TX
Master suite expansions, kitchen extensions, second stories & garage conversions for Windsong Ranch, Star Trail, Whitley Place & Lakes of La Cima homes
Quick Answer: A home addition in Prosper, TX costs $80,000 to $750,000+ in 2026. Single-room rear additions (master suite expansion, sunroom, home office) start at $80,000–$220,000. Multi-room wing additions (master wing, kitchen/great room extension) run $220,000–$450,000. Second-story additions and full garage conversions reach $450,000–$750,000+. UHS Remodeling: Plano-based, licensed, insured, 4.9-star rated, 500+ verified reviews, 3-year written warranty. Free consultation: (469) 850-7087.
Prosper home additions are one of the most cost-effective moves a homeowner can make in this market. Prosper is one of North Texas’s fastest-growing luxury communities, with roughly 40,000 residents and a reputation for upscale master-planned neighborhoods. Most homes here were built between 2010 and 2024 as new construction. Prosper homeowners are typically high-earning professionals, corporate executives, and families who relocated from Plano, Frisco, or out of state for the new-build luxury housing and the top-rated Prosper ISD. Rather than selling and buying a bigger home at today’s interest rates, adding 300–1,500 sq ft onto an existing Prosper home typically delivers better financial value and lets the family stay in the neighborhood, schools, and commute they already like.
At UHS Remodeling, we handle every phase of Prosper addition projects: feasibility studies (lot coverage, setbacks, HOA review where applicable), architect and structural engineer coordination, Town of Prosper Building Inspection Department permitting, excavation and foundation work, framing and structural, envelope matching (brick, stone, siding, roofing), full interior finish, integration with existing HVAC/electrical/plumbing systems, and final punch-list. Every project is delivered with one dedicated W-2 crew, fixed-price contracts with full line-item transparency, daily photo updates, and a written 3-year workmanship warranty.
Prosper Home Additions — 3 Project Tiers
Tier 1: Single-Room Addition ($80,000 – $220,000)
This tier covers targeted additions that solve a specific need without reshaping the home. Scope includes: master bedroom expansion, walk-in closet addition, sunroom or screened porch, rear family room, home office addition, mudroom and laundry expansion, dedicated playroom or home gym, or primary bathroom expansion. Typical size: 250–600 square feet. Timeline: 10–18 weeks.
Tier 2: Multi-Room Wing Addition ($220,000 – $450,000)
The core of Prosper addition work. This tier serves homeowners who want to add a full wing to the home — typically 600–1,300 square feet covering multiple rooms. Common scopes: rear great room + kitchen extension + covered porch; master suite wing (bedroom, bath, dressing room); kid or in-law wing (bedroom, bath, playroom, study); or a dedicated entertaining wing. Scope includes everything in Tier 1 plus: structural engineering, tie-in of HVAC zones, new plumbing rough-in, dedicated electrical sub-panel, windows and doors matched to the existing home, full interior finish with custom millwork. Timeline: 6–11 months.
Tier 3: Second-Story Additions & Garage Conversions ($450,000 – $750,000+)
The most ambitious Prosper additions reshape the entire home. Scope includes: full second-story additions over an existing ranch or single-story home (1,000–2,000 sq ft upper level with master suite, additional bedrooms, bathrooms); full garage conversions to living space; basement or attic conversions; and outdoor living pavilions with kitchens, fireplaces, and covered terraces. Timeline: 10–16 months.
Prosper Home Addition Cost Breakdown
| Scope | % of Total | Single Room ($150,000) | Wing ($335,000) | Second Story ($600,000) |
|---|---|---|---|---|
| Foundation & Structural | 14–20% | $25,500 | $56,950 | $102,000 |
| Framing & Envelope (match) | 16–22% | $28,500 | $63,650 | $114,000 |
| Interior Finish & Millwork | 18–24% | $31,500 | $70,350 | $126,000 |
| Systems (HVAC/plumb/elec) | 10–14% | $18,000 | $40,200 | $72,000 |
| Kitchen / Bath (if included) | 10–18% | $21,000 | $46,900 | $84,000 |
| Labor & Project Management | 14–18% | $24,000 | $53,600 | $96,000 |
| Design, Engineering & Permits | 4–7% | $7,500 | $16,750 | $30,000 |
Prosper Addition Project Gallery
Why Prosper Homeowners Choose UHS for Home Additions
- Exterior matching expertise. We source matching brick, stone, siding, and roofing so the addition reads as original.
- Town of Prosper Building Inspection Department & HOA coordination. We handle both city permits and HOA architectural review where applicable.
- Structural engineering. Second-story additions, wall removals, and load transfers are engineered by licensed Texas structural engineers.
- Fixed-price contracts. Full line-item transparency before you sign.
- One dedicated crew. Your addition is built by one W-2 crew from foundation through punch-list.
- Daily photo updates. You see your addition progress every day via text.
- Value-engineered for the Prosper market. We source materials that deliver real quality at sensible pricing.
- Plano HQ with full DFW coverage. Serving Prosper and all of DFW from one central office.
- 3-year written workmanship warranty. Every trade covered for three full years.
- 500+ verified reviews, 4.9-star average.
“We added a master wing plus a kitchen extension to our Prosper home. UHS matched the original brick exactly, handled the city permitting, and kept the whole project on the fixed-price contract. The addition looks like it has always been part of the house.”
— Verified Google review, UHS Remodeling
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