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Home Addition · Plano · TX · (469) 850-7087

Home additions in Plano, TX,
that look like they were always there.

A fixed-price addition project from a Plano-based crew of designers, project leads, and tradespeople who finish on the day they said they would. Eleven years, 5,875 projects, one promise: your quote is your price.

500+
Five-star reviews
3-yr
Workmanship warranty
5,875
Projects since 2014
Home Addition in Plano, TX by UHS Remodeling
Plano · 2026
The short answer

How much does a home addition cost in Plano?

A home addition in Plano runs $120,000 to $400,000 depending on size and complexity. A single-room addition (bedroom, bath, office) averages $120K-$180K. Master wings or second stories run $180K-$280K. Custom additions with structural foundation work and matched exterior finishes run $280K-$400K+. Permits, foundation, framing, MEP, and finish-out are all included. For a line-item look at where the money goes, see our home addition cost guide.

01 · Process

How we build a home addition.

01
Consultation
Site walk, scope (bedroom, master wing, second story), zoning + setback review, budget alignment.
02
Design
Architectural drawings, structural engineer review, exterior match planning, MEP routing.
03
Permits
City plan review submission, HOA architectural committee, energy code compliance. Average 3-5 weeks.
04
Build
Foundation, framing, roof tie-in, MEP rough-in, insulation, drywall, finish-out. 12-22 weeks per scope.
05
Walkthrough
Final inspection, punch list, certificate of occupancy filing, 3-year warranty active.
Daniel B., Co-Founder, Construction Lead at UHS Remodeling
From the field · Plano
An addition in Plano is half permits, half craft. We pre-meet with the city’s plan review before drawings are stamped — that’s why our additions break ground 6 weeks after contract, not 14.
Daniel B.
Co-Founder, Construction Lead
03 · Transparent pricing

Plano addition ranges by tier.

All ranges include architectural drawings, engineering, materials, labor, permits, foundation, framing, MEP, finishes, and 3-year warranty. Sourced against NARI Cost vs. Value 2025 and City of Plano building code requirements.

Tier
Price
What’s included
Essential
$120–180K
Single-room addition (250-450 sqft): bedroom, office, sunroom. Exterior match, standard finishes, full MEP.
Refined
$180–280K
Master wing or large family room (450-800 sqft): primary suite + bath, formal dining add-on, or great room expansion.
Custom
$280–400K+
Second story or full custom (800+ sqft): structural foundation work, full second floor, matched exterior, custom millwork.
04 · Also in Plano

Other ways we transform Plano homes.

See all Plano home remodeling services →

05 · Where we work

Plano neighborhoods we know by heart.

01
West Plano
Mid-90s to early-2000s builds. Open-the-wall kitchens, primary bath redesigns, foundation prep on slabs.
02
Legacy
Newer Toll Brothers + Highland builds. Refining, not gutting: stone swaps, closet systems, lighting overhauls.
03
Craig Ranch
Stucco-and-stone McKinney-adjacent homes. Outdoor kitchens + butler-bar additions are most-requested.
04
Heritage Creeks
Wooded lots, mature homes. Foundation leveling and tree-root setback planning is part of every project.
05
Willow Bend
Estate footprints, 4,500+ sqft homes. Whole-home renovations, second-story additions, HOA-coordinated.
UHS Remodeling construction lead Daniel B. reviewing blueprints on a DFW job site
Your UHS team

Your construction lead, Daniel B., runs your addition from framing to final inspection.

Nearby DFW

We deliver home addition across the northern DFW suburbs. See our home addition in Frisco, Allen, and McKinney.

06 · FAQ

Plano addition questions, answered.

Sourced from NARI Cost vs. Value 2025, City of Plano Building Inspections, Texas Real Estate Commission, and 11 years of fielding the same calls in Plano. Looking for ballpark numbers? Try our cost calculator.

How much does a home addition cost in Plano, TX?
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Home addition costs in Plano range from $30,000 for a garage conversion to $300,000+ for a second-story addition. Room additions cost $80,000-$150,000. Sunrooms run $40,000-$80,000. In-law suites cost $100,000-$200,000. Average cost per square foot is $150-$250.
How long does it take to build a home addition in Plano?
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A home addition in Plano takes 12-24 weeks from groundbreaking to final inspection. Garage conversions take 8-12 weeks. Room additions average 12-16 weeks. Second-story additions run 16-24 weeks. Permit processing adds 4-8 weeks before construction.
Do I need a permit for a home addition in Plano?
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Yes. All home additions in Plano require building permits. The process includes plan review and inspections at multiple stages: foundation, framing, mechanical/electrical/plumbing, insulation, and final. UHS Remodeling handles the entire permit process.
Will a home addition match my existing home’s exterior?
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Yes. We match roofline angles, brick or siding type, window style, fascia, soffit, and trim profiles. For brick homes, we source matching brick. The goal is an addition that looks like it was built with the original home.
Can my foundation support a second story?
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Many Plano post-tension slab foundations can support a second story with proper engineering. A structural engineer evaluates the existing foundation and soil conditions. Reinforcement, if needed, adds $10,000-$30,000 to the project.
Does my Plano HOA need to approve a home addition?
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If your neighborhood has an active HOA with architectural control, yes. Communities like Willow Bend and parts of West Plano require HOA review taking 2-6 weeks. Some established neighborhoods do not have active HOAs. We prepare submissions and attend reviews.
How much value does a home addition add in Plano?
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Home additions typically recoup 50-70% of cost at resale. Functional additions like master suites and kitchen extensions return more. In Plano’s market, increasing a home from 2,200 to 3,000 sq ft can add $100,000-$200,000 in value.
Can I live in my home while an addition is being built?
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Yes. The existing home remains largely intact during construction. The work zone is separated with temporary barriers. For second-story additions, there are planned periods of disruption when the roof is opened, but these are scheduled and communicated in advance.
What is the difference between a home addition and a home renovation?
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An addition increases square footage with new foundation, framing, and roofing. A renovation improves existing space without changing the footprint. Many Plano homeowners combine both – a kitchen extension with interior renovation – to minimize total disruption.
How do I get started with a Plano home addition?
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Call (469) 850-7087 or schedule a consultation online. We visit your Plano home, assess the property, discuss goals, and evaluate feasibility based on lot size, setbacks, and existing construction. Free proposal with no obligation.
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Tell us about your
Plano addition.

Home Addition in Plano, TX