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Home Additions in Galveston, TX

Expand your living space with a custom home addition in Galveston TX. Master suites, second stories, sunrooms, and garage conversions built by experts.

Seamlessly Expand Your Island Home With Custom Additions

Need more space but love your current location on Galveston Island? A custom room addition is the ultimate solution. Whether you want to add a luxurious master suite, construct a second-story level, build a breezy sunroom, or convert an under-house garage into a beautiful guest room, we build room additions that blend seamlessly into your existing home architecture while expanding your space.

Constructing additions on Galveston Island requires specialized structural engineering, including proper foundation piles, elevated flood zone compliance, and hurricane wind resistance. As licensed general contractors, we manage all architectural designs, soil tests, foundation engineering, and city permitting, ensuring your new room addition is built perfectly to code and engineered to stand strong against coastal weather.

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What's Included in Our Services

We offer complete end-to-end solutions for all your needs on Galveston Island.

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Master Suite Additions

Constructing complete master bedroom wings featuring walk-in closets, luxury spa bathrooms, and private coastal balconies.

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Second-Story Additions

Adding complete upper floors to existing homes to double your living area and capture breathtaking Gulf and bay views.

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Sunrooms & Porches

Building windstorm-certified glass sunrooms, screened-in porches, and covered decks that let you enjoy the island breezes.

Our 5-Step Process

How we deliver flawless results for your home project.

1

In-Home Consultation

We visit your property to measure, take photos, and discuss your lifestyle, design aesthetic, and budgeting goals in detail.

2

3D Rendering & Selection

Our design team drafts custom layout options and 3D computer visualizations. You select cabinet styles, stones, backsplashes, and paint colors.

3

Permitting & Demolition

We secure all permits from the City of Galveston and historical clearances if needed. Then we carefully execute dust-contained demolition.

4

Rough-ins & Craftsmanship

Our experts update plumbing, electrical, and HVAC. Next, we install custom drywall, flooring, cabinets, countertops, and detailed tile work.

5

Fixtures & Final Approval

We install premium appliances, plumbing fixtures, and lighting, followed by a professional deep clean and thorough walkthrough with you.

Galveston Costs & Options

Transparent price ranges to help you budget for your remodeling project.

Service Type Pricing Range Best For
Garage Conversion / Guest Suite $30,000 - $60,000 Converting an existing ground-level garage or storage bay into a fully insulated, beautiful guest suite with full bath.
Single-Story Room Addition $50,000 - $100,000 Constructing a brand new 300-500 sq ft room addition from the foundation up, tied into existing framing and roofing.
Second-Story Addition / Level Build $100,000 - $200,000+ Engineering existing framing for load support, removing existing roof, framing a full upper story, and installing a new wind-rated roof.

* Note: Prices are estimates and vary based on materials, scope, and specific coastal requirements. Call us for a custom quote.

FAQ

Common questions about in Galveston, TX.

Yes, if your home is in a designated FEMA flood zone, any brand new ground-level footprint additions must meet specific height requirements. In many cases, additions must be constructed on structural concrete piles or elevated to match the base flood elevation (BFE) of the main house. We analyze your land elevation and handle all engineering compliance.
A standard single-room addition typically takes 8 to 16 weeks of active construction, while massive multi-story or elevated second-story additions can take 16 to 24 weeks. This includes foundation work, structural framing, dry-in, siding, roofing, interior drywall, utility run-ins, and final cosmetics.

Ready to Transform Your Home?

Contact us today to schedule your free, in-home consultation and estimate.

(409) 555-1234
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