Home Addition Contractors in Houston for Growing Families and Space Problems

For extra bedrooms, bigger kitchens, second stories, and master suites, designed, engineered, permitted, and built to match your home from the ground up.

Coustom Additions for Homes that Have Run Out of Room

You love your neighborhood. The schools, commute, and everything about it. But the house feels too small to accommodate all the family members. Moving is expensive. Realtor fees take 5-6% of your sale price. Closing costs add another 3-4%. Then you pack everything you own, rent a truck, and start over in some other neighborhood.

But what about adding space where you already live and making usable spaces out of the existing space your home has? We have the expertise in designing and building custom homes and room additions in Houston, TX, that give your family room to breathe.

Kitchen too small for holiday dinners? We push the wall out. Need a master suite with a private bath? We add it behind the garage. Parents moving in? We build a ground-floor bedroom with its own entrance.

Best for homeowners who want one company to handle structural engineering, permits, foundation, framing, and finishes. And above all? No fuss of coordinating among all and losing against your blood pressure. We are the most affordable home addition builder in Houston, TX, with both cost estimation and design services.

Types of Coustom Home Additions We Build in Houston

Not every addition is the same. Here is what we offer.

Ground-floor room addition

Add a bedroom, family room, a home office, or a formal dining room. We match your existing foundation type, siding, and roofing exactly. The new room addition looks like it was part of the original house.

Second-story addition

Cannot go out because of property lines? Go up. Second-story additions add the most square footage with the smallest footprint. Requires structural engineering for load-bearing walls below. We handle that.

Kitchen addition

Your kitchen is too narrow. You know it. We push an exterior wall out 6, 8, or 12 feet. Add an island. Add a pantry. Add a breakfast nook. A kitchen addition changes how you use your home.

Master suite addition

A master suite gives you a large bedroom, a walk-in closet, and a private bathroom addition. No more sharing a hall bathroom with the kids and no more cramped closets.

Sunroom addition

Glass walls, natural light, and HVAC so you can use it year-round. A room addition that feels like the outdoors without the bugs, rain, or Houston heat.

Bathroom addition

Add a powder room on the first floor, an ensuite bath to an existing bedroom, or add a second full bathroom upstairs. We handle all plumbing, ventilation, drainage, and tile.

The Cost Estimate of Your Home Addition in Houston

The home addition cost in Houston, TX, for a luxury remodel and outdoor living space upgrades varies by the scope of work. Our fixed price includes site evaluation, structural engineering, permit filing, foundation, framing, roofing, windows, siding, insulation, drywall, flooring, paint, trim, lighting, switches, outlets, HVAC, and plumbing.

The full home addition cost in Houston depends on what you are adding.

Addition Type

Typical Range

Sunroom (150-200 sq ft)

$20,000 - $40,000

Single bedroom or office

$35,000 - $65,000

Master suite with bath

$60,000 - $100,000

Kitchen expansion

$40,000 - $80,000

Second story (500+ sq ft)

$120,000 - $250,000+

How long?

Get the exact square foot price of your home addition here!.

Why Do Homeowners Choose Us Over Other Home Addition Builders?

You have options. Lots of them. But see why clients pick Houston Builder Pro when they need a home addition builder in Houston, TX:

  • Permits Handling: Permits in Houston are not simple. Setback requirements. Flood zone rules. Historic district restrictions. We have filed hundreds of permits and know which neighborhoods have which rules.
  • Engineering for clay soil: Houston soil expands when wet and shrinks when dry. This movement cracks foundations and ruins additions built wrong. We design footings and slabs that move with the soil without breaking.
  • Finish on time: Most home addition projects drag because trades wait on each other. We schedule everything in sequence. Foundation first, framing, roofing, windows, interior, all in sequence.

We stand behind our work. Something cracks after a year? Call us. We fix it. No runaround.

Houston Builder Pro

Ready To Expand Your Home With Confidence?

Get more space without the stress. Houston Builder Pro delivers professional home addition construction with reliable timelines, clear communication, and quality results. Contact us today for a free consultation and let’s build the extra space your home deserves.

What is Included Into Our Home Additions

A proper home addition needs structural engineering so the existing foundation can handle the new weight. Soil testing to see how Houston’s clay will shift under the new slab. Permits from the city. Inspections at every phase.

Skip any of these, and the additional cost in Houston doubles later when problems surface. And this is what makes the home additions by us stand the test of time. 

  1. Inspection: We check your soil, foundation, and existing structure before we design anything. 
  2. Engineering: Every beam, every post, every connection point gets calculated by a licensed structural engineer.
  3. Permits: Permits for the city of Houston or your local municipality. Then we build. Foundation, framing, roofing, windows, siding, drywall, flooring, paint, trim, HVAC, electrical, plumbing.

Garage Conversion Additions For Extra Living

Convert unused garage space into a comfortable, functional living area with Houston Builder Pro. A garage conversion is a cost-effective home addition option that can become a guest suite, office, gym, or rental-ready room. We handle insulation upgrades, flooring, electrical, HVAC adjustments, and interior finishing to make the space feel like a true part of your home. Our team ensures the conversion meets building codes and delivers a clean, modern result that increases usability and home value.

Get a Fixed Price on Your Home Addition

Tell us what you want to add. A bedroom, bathroom, or a second story? We will walk your property, check your soil, review your existing structure, and give you a fixed price.

Call us today. Or fill out the form below.

APPOINTMENT

Reliable Construction Services in Houston, TX

Call Houston Builder Pro today at your convenience and from design to execution, get it planned now.

713-551-4090

info@houstonbuilderpro.com

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2200 North Loop West, Suite 105, Houston, TX 77018

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What Our Customer Say

Kitchen Expansion Additions With Better Layout

When your kitchen feels cramped, a kitchen expansion addition can transform how your home functions. Houston Builder Pro creates kitchen additions that improve layout, storage, and flow while keeping your home’s style consistent. We can expand into adjacent areas or build outward to create more cooking space, dining space, and open-concept living. From framing to finishes, our team manages every phase with careful coordination and craftsmanship.

Home Additions Across Greater Houston Near You

We are home addition contractors near me for homeowners in:

Houston, TX

Second-story additions, kitchen expansions, master suite builds

Sugar Land, TX

Family room additions, home office builds, attached ADUs

Tomball, TX

Custom home additions, family room expansions

Spring, TX

Master suite additions, garage conversions, four-season rooms

Katy, TX

Kitchen expansions, sunroom additions, second-story projects

Missouri City, TX

Bedroom additions, bathroom addition projects

Not on the list? Call anyway. We probably cover you.

Bathroom Addition Construction For Daily Convenience

Adding a bathroom is one of the smartest upgrades for comfort and property value. Houston Builder Pro builds bathroom additions that fit your home’s layout and improve daily convenience for families and guests. Whether you need a half bath, full bath, or a private master bath addition, we manage plumbing, ventilation, tile work, and fixtures with precision. Our team focuses on clean workmanship, moisture protection, and high-quality finishes. You get a functional, modern bathroom addition built to code and designed to last.

Common Questions About Home Addition Contractors in Houston, TX

Houston Builder Pro is the best among all home addition contractors in Houston. The company handles the whole job from structural engineering to final inspection. 

Home addition cost in Houston, TX, ranges from $20,000 for a small sunroom to $250,000+ for a full second story. A standard bedroom addition can cost between $35,000–$65,000. A master suite with a bathroom can cost you around $60,000–$100,000. We give a fixed price after walking your property.

Professional home addition contractors in Houston include design planning, structural engineering, permit filing, foundation, framing, roofing, windows, siding, insulation, drywall, flooring, paint, trim, lighting, HVAC, electrical, and plumbing. If a contractor leaves out permits or engineering, run.

Look for a home addition builder in Houston who offers design and build services, pulls permits, includes structural engineering, gives a fixed price, has experience with Houston clay soil, and is an experienced home addition company in Houston, TX for custom room and full home additions. Ask who manages the project. If they say you deal with subs, keep looking.

Yes. Custom home additions in Houston, TX, add usable living space and increase resale value. A master suite addition returns 60-70% of its cost at sale. More importantly, you avoid moving costs and keep your neighborhood, schools, and commute

The average cost per square foot for a home addition in Houston is $150–$300. Ground-floor additions are $150–$200. Second-story additions are $250–$300 due to structural engineering and stairwells. We give exact per-square-foot pricing in your estimate.

Yes. We file every permit with the City of Houston or your local municipality. Unpermitted home addition projects create legal problems when you sell. We never skip permits.

Yes. A bathroom addition to an existing bedroom creates a master suite. We handle plumbing runs, ventilation, drainage, and tile. Most bathroom addition projects take 3-4 weeks.

A small room addition takes 4-6 weeks. A standard bedroom or family room addition takes 8-12 weeks. A second-story addition project takes 3-5 months. We give a timeline upfront and make a schedule to hit it.

Yes. We work across Greater Houston, including Sugar Land, Katy, Spring, Tomball, Missouri City, and Texas City.

Yes. If you have engineered drawings already approved, we can work from your plans and handle construction, permits, and inspections.

Yes. Houston Builder Pro is a fully licensed and insured remodeling and construction company in Houston. All custom home additions in Houston, TX, are built to code, inspected, and warrantied.

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