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Home Addition · Highland Park · TX · (469) 850-7087

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

A fixed-price addition project from a Highland Park-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 Highland Park, TX by UHS Remodeling
Highland Park · 2026
The short answer

How much does a home addition cost in Highland Park?

A home addition in Highland Park 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+.

01 · Process

How we build a home addition in Highland Park.

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 of Highland Park plan review, 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 · Highland Park
An addition in Highland Park 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

Highland Park addition ranges by tier.

All ranges include design, materials, labor, permits, and 3-year warranty. Sourced against NARI Cost vs. Value 2025 regional benchmarks.

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 Highland Park

Other ways we transform Highland Park homes.

See all Highland Park home remodeling services →

05 · FAQ

Highland Park addition questions, answered.

Sourced from NARI Cost vs. Value 2025, Texas Real Estate Commission, International Code Council, and 11 years of fielding the same calls in Highland Park. Looking for ballpark numbers? Try our cost calculator.

How much does a home addition cost in Highland Park, TX?
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Home addition costs in Highland Park range from $180,000 for a single-room addition to $2,500,000+ for a second-story, guest house, or estate-scale project. Most homeowners spend $500,000–$1,200,000 on a multi-room wing addition.
How long does a Highland Park home addition take?
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Single-room additions take 16–28 weeks. Multi-room wing additions run 10–16 months. Second-story and estate-scale additions take 14–28 months. Add 3–6 months for design, engineering, and permitting.
Does Highland Park allow second-story additions?
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Yes, subject to height, setback, and lot coverage limits. Architectural review, structural engineering, and sometimes neighbor notification are required. Not every foundation is adequate for a second-story load — we check feasibility early.
Can I add a detached guest house or pool house to my Highland Park property?
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Yes, subject to lot size, setbacks, and lot coverage. Guest houses (800–1,800 sq ft), pool houses (400–1,000 sq ft), and garages with living above are common. Each requires its own permit.
How do you match the exterior of a new addition to an original Highland Park home?
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We source original or visually identical brick, stone, slate, windows, and trim. For Tudor stucco, we work with plaster artisans. Matching materials may add 6–12 weeks to procurement.
Does Highland Park require architectural review for additions?
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Yes. The Town has architectural review requirements for additions affecting exterior appearance, height, lot coverage, or massing. UHS handles the full submission and review cycle.
Can I live in my Highland Park home during an addition?
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Usually yes, especially for detached and rear additions. For second-story additions, most homeowners relocate for 6–14 weeks during structural and weatherization phases.
Do you handle structural engineering and foundation work?
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Yes. Every addition is engineered by a licensed Texas structural engineer. We handle full foundation scope and all structural framing including steel beams, load transfers, and second-story floor systems.
Do additions need to match the original home’s period and style?
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Yes. Highland Park strongly discourages additions that clash with the original architecture. Mismatched additions reduce home value. We design in the same architectural language — Tudor, Colonial, Mediterranean, or modern.
How do I get a free Highland Park addition estimate?
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Call (469) 850-7087 or fill out the contact form. Free in-home consultation, feasibility assessment, preliminary ROM within 7–10 business days, and full fixed-price proposal once drawings and engineering are complete.
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Home Addition in Highland Park, TX