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Home addition contractors in San Antonio

The 10 home addition contractors from Google's results for San Antonio, Texas, ordered by Google rating weighted by review count. No firm pays to be listed or ranked.

Last updated

Bump-out
$21,500 – $51,500small single-room extension
Room addition
$69,000 – $172,000ground floor, finished
Second-story addition
$129,000 – $344,000whole or partial floor
San Antonio vs US
-14%well below the US median

Licensing in Texas. Texas has no state license for general contractors or remodelers. Electrical, plumbing and HVAC work does need a state license.

Number 1: Remodeling Company in San Antonio, TX

5.0(133)out of 5, from 133 reviewson GoogleBoerne, TX

From its base in Boerne, Texas Highlands Custom Homes & Remodel remodels houses across San Antonio and the Texas Hill Country. Projects range from historic homes in Monte Vista and Olmos Park to mid-century and newer suburban builds, with one team running each job from walkthrough to punch list.

(830) 443-0757 10102 Johns Rd, Boerne, TX 78006

Number 2: Garcia Remodeling

5.0(33)out of 5, from 33 reviewson GoogleSan Antonio, TX

Garcia Remodeling remodels kitchens and bathrooms and takes on flooring, painting and whole-house renovations in the greater San Antonio area. The company serves Fair Oaks Ranch and nearby communities, handling jobs that range from quick repairs to complete remodels.

(210) 723-0759 7650 W US Hwy 90, San Antonio, TX 78227

Number 3: Home Addition Contractor San Antonio, TX

4.9(99)out of 5, from 99 reviewson GoogleSan Antonio, TX

Herbert H. Construction expands existing homes in San Antonio, adding bedrooms, home offices and room for gathering or storage for households that have outgrown their layout. The company coordinates addition projects and also does siding work.

(210) 710-4372 5301 Bandera Rd, San Antonio, TX 78238

Number 4: Ar GC Texas

4.9(50)out of 5, from 50 reviewson GoogleSan Antonio, TX

This San Antonio design-build firm covers roofing, remodeling, outdoor living, restoration, additions and custom homes. Clients work with one point of contact from the first walkthrough to final finishes, and remodels include custom cabinetry and hand-selected finishes.

(210) 504-5670 11830 Radium St, San Antonio, TX 78216

Number 5: Spencer Renovations Inc

4.9(43)out of 5, from 43 reviewson GoogleSelma, TX

Spencer Renovations Inc. builds home additions for homeowners in Selma, Texas.

15834 Brisbane Dr, Selma, TX 78154

Number 6: Cornhusker Homes

5.0(3)out of 5, from 3 reviewson GoogleSan Antonio

Cornhusker Homes builds home additions for homeowners in San Antonio, Texas.

(713) 542-1494

Number 7: 1 Strate Remodeling

4.8(81)out of 5, from 81 reviewson GoogleSan Antonio, TX

1st Rate Remodeling is a residential remodeler in San Antonio handling kitchen and bathroom remodels, outdoor living extensions and added rooms. Jobs range from small upgrades to whole-home renovations for local homeowners.

(210) 451-0003 401 Isom Rd Ste 310, San Antonio, TX 78216

Number 8: Room Addition

4.8(5)out of 5, from 5 reviewson GoogleSan Antonio

Good Day handles room additions in San Antonio, starting by assessing whether a new room or an extra level is feasible on the existing house. Its team brings engineering and architectural planning to additions that can extend outward, upward or downward from the current structure.

(210) 632-8560

Number 9: Alamo City Construction

No Google reviews yetSan Antonio

Alamo City Construction & Supply LLC is a San Antonio contractor that builds room additions onto existing homes. Projects include new bedrooms, bathroom additions and garages, with estimates available for each room addition job.

Number 10: West Phall Remodeling

No Google reviews yetSan Antonio

This San Antonio remodeling company builds home additions for local homeowners.

What home addition contractors charge in San Antonio

In San Antonio, a bump-out typically costs $21,500 – $51,500. Remodeling labor in San Antonio runs about 14% below the US median, which accounts for most of the difference from the same project elsewhere.

How to choose between them

  • Check the license yourself. Where Texas or San Antonio licenses this work, the licensing board's own lookup confirms a license number in a minute. Do it before you sign, not after.
  • Get three bids on the same scope. Written down, split into labor, materials, allowances and anything structural. Most people compare a total against a total and end up choosing between two different projects.
  • Ask what is not included. Permits, debris removal, fixture and finish allowances, and repairs after demolition are the four that turn a cheap bid into an average one.
  • Never pay a large deposit up front. A deposit to order materials and hold a start date is normal. Half the total before anyone shows up is not.

How this list is ordered

These are the firms from Google's results for "home additions san antonio", with directories, chains and suppliers removed. They are ordered by Google rating weighted by review count, and the ratings shown are Google's. No firm pays to be listed or ranked. The list was last updated in October 2026.

Home addition contractors in San Antonio: common questions

Do I need an architect for a home addition?

Usually yes, or a design-build firm with in-house design. Additions need stamped structural drawings for the permit in most places, and zoning review on setbacks, height and lot coverage.