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Homes | Garages | Sheds | Commercial

Concrete Slabs & Foundations in San Antonio, TX

House foundations, garage slabs, shed pads, and commercial flatwork - engineered for San Antonio soil conditions.

Slab & Foundation Pros

Concrete Foundations Built on Solid Ground

A great foundation is invisible to homeowners but essential to everything you build on top of it. We pour foundations and slabs that are properly sized, reinforced, and graded for the specific soil and drainage at your site.

From homes and garages to sheds, workshops, outdoor kitchens, and commercial buildings, we deliver foundations that builders, engineers, and inspectors trust.

  • House foundations - monolithic, post-tension, and stem wall
  • Garage slabs and workshop pads engineered for heavy vehicles
  • Shed and outbuilding pads with proper reinforcement
  • Commercial flatwork and small-building foundations
  • Soil prep, vapor barriers, and rebar/post-tension layouts
Reinforced concrete slab with rebar before pour
Engineer-Spec Pours
Why RL Concrete

The Right Choice for Your Concrete Foundation

Built for Texas Heat

We use the right mix design, proper joint spacing, and curing techniques specifically suited to San Antonio's climate.

Permits Handled

We handle every permit and inspection so you do not have to deal with the city. It is all included in our process.

Done on Schedule

Most projects are completed in 1 to 3 days. We show up when we say we will and finish when we promise.

150+ Happy Customers

Our 4.8-star Google rating speaks for itself. Hundreds of San Antonio homeowners and businesses trust our team.

Our Process

How We Build Your Concrete Foundation

Concrete foundation work is unforgiving. Here is how we get it right the first time.

1

Free On-Site Estimate

Our team visits your property, measures the area, assesses site conditions, and provides a detailed written estimate with no surprises.

2

Permits & Prep

We pull all necessary city permits and schedule inspections. Old concrete is demolished and hauled away. The subgrade is properly compacted and graded.

3

Forms & Reinforcement

Precision forms are set to the correct grade. Steel rebar or wire mesh is placed for structural integrity. Expansion joints are planned for crack prevention.

4

Pour & Finish

Quality concrete is poured, leveled, and finished to your chosen style. Control joints are cut precisely to prevent random cracking.

5

Cure & Walkthrough

Curing compound is applied to ensure proper strength development. We walk you through care instructions and make sure you are completely satisfied.

Investment

What Affects Concrete Foundation Cost

Factors That Determine Your Price

Every project is unique. Here are the main factors that influence your total investment:

  • Total square footage - larger projects benefit from volume pricing
  • Site preparation - demolition of old concrete, grading, drainage work
  • Finish type - broom finish, stamped, exposed aggregate, or decorative borders
  • Concrete thickness - standard 4-inch vs heavy-duty 6-inch for trucks or RVs
  • Access and slope - hillside or tight-access sites add complexity
Get Your Free Estimate

No obligation. We respond within 24 hours.

No obligation
24hr response
Licensed & Insured
★★★★★
4.8
Google Rating
1000+
Projects Completed
25+
Years Experience
Your information is never shared. We respect your privacy.
Concrete Foundation FAQ

Common Concrete Questions

Common questions about concrete foundations in San Antonio.

Standard residential slabs are 4 inches. Garage and driveway slabs supporting heavy vehicles should be 6 inches with a thicker edge. House foundations follow engineer plans, typically 4 inches plus thickened beams.
Yes. We work directly from stamped plans and follow rebar/post-tension specs exactly. We coordinate inspections at every required phase.
Most residential slabs go from form-up to pour in 2 to 4 days, plus 7 days before framing should start. House foundations typically take 1 to 2 weeks total.
San Antonio has expansive clay in many areas. We adjust slab design, moisture barriers, and post-tension layouts to handle soil movement and prevent cracking.
Yes. We coordinate every required city or county inspection and pull permits as part of the project.

Need a Concrete Foundation You Can Build On?

Send us your plans or have us walk the site. Free written estimates with engineer-grade specs.