Concrete Slab Contractor Austin TX
Austin Concrete Slabs handles new concrete slabs in Austin, TX: slab foundations, concrete pads, footings, and shop, metal building and barndominium slabs, plus the garage, carport, RV and hot tub slabs that sit behind the house.
Austin prices run about $5.63 to $11.26 per square foot installed. Send the size and the address for a free quote.
- Slab foundations
- Concrete pads
- Concrete footings
- Shop & metal building slabs
Concrete Slab Work in Austin, TX
Most concrete slab requests in Austin fall into three jobs: a slab foundation under a house, addition or ADU, a concrete pad for equipment or a small building, and the footings that carry walls, posts and steel columns. Each has its own page with Austin rules, specs and prices.
Slab FoundationsNew slab foundations for homes, additions and ADUs, built to an engineer's plan for Austin's clay.See details →
Concrete Pad InstallationPads for AC units, generators, trash bins, walkways and small slabs, formed and poured right.See details →
Concrete FootingsContinuous and pad footings for additions, porches, retaining walls and steel columns.See details →See more services
Price it before you call
The cost to pour a concrete slab in Austin page lays out every dated Austin price we found, and the concrete slab calculator turns your length, width and thickness into cubic yards and an Austin cost range.
About Austin Concrete Slabs
Austin Concrete Slabs is a concrete slab company for Austin and the surrounding Travis County area. The work is new concrete only: forming, steel, pouring and finishing slabs and footings, from a 4x4 pad for an AC condenser to a 40x60 shop floor.
This site also publishes what a homeowner should know before a single form board goes down: the City of Austin rules read from the City's own pages, prices with each source's date, and the soil and heat facts that make slab work here different from Dallas or Phoenix. Texas has no state license for concrete contractors, so the questions to ask are about the plan, the steel and the base.
What a concrete slab costs in Austin
Plan on about $6 to $11 per square foot for a reinforced slab in Austin. That is where the two Austin sources overlap; the table keeps each one separate with its date, because cost pages online mix national averages with local ones without saying so.
| Source | Date | What it prices | Price |
|---|---|---|---|
| projectcosted, Austin | Aug 2026 | Slab, installed (wage model) | $5.63 to $11.26 per sq ft |
| HomeBlue, Austin | Sep 2024 | Reinforced slab | $6 to $10 per sq ft |
| HomeBlue, Austin | Sep 2024 | Unreinforced pad | $5 to $10 per sq ft |
| HomeBlue, Austin | Sep 2024 | Ready-mix concrete | $114 to $135 per cubic yard |
| HomeBlue, Austin | Sep 2024 | Removing an old slab | $1.10 to $1.70 per sq ft |
| Fixr, national | Feb 2026 | Slab foundation | $4 to $14 per sq ft |
Swipe the table sideways to see every column →
Pages read October 20, 2026. projectcosted is a wage-index model built on 2025 Bureau of Labor Statistics data, not contractor quotes. Fixr is national. A written quote for your lot is the real number.
| Size | projectcosted Austin, 2026 | HomeBlue Austin, 2024 |
|---|---|---|
| 10x10 (100 sq ft) | $563 to $1,126 | $900 to $1,500 |
| 20x20 (400 sq ft) | $2,252 to $4,503 | $3,400 to $5,900 |
| 20x30 (600 sq ft) | $3,377 to $6,755 | $5,100 to $8,800 |
| 30x40 (1,200 sq ft) | $6,756 to $13,512 (computed) | $10,300 to $17,600 |
| 40x60 (2,400 sq ft) | $13,512 to $27,024 (computed) | $20,600 to $35,200 |
Swipe the table sideways to see every column →
Rows marked computed multiply the area by projectcosted's $5.63 to $11.26 per sq ft; all other figures are as published.
What moves a quote: limestone that needs a breaker to dig, clay that has to be cut out and replaced with base, a long wheelbarrow run, tree roots inside a protected tree's critical root zone, and tearing out an old slab first. The full Austin slab cost breakdown goes line by line.
Why a slab in Austin is not a slab anywhere else
The ground changes across town. East toward the Blackland Prairie, the USDA describes Houston Black clay as very deep, very slowly permeable and prone to cracks half an inch to 4 inches wide that stay open 90 to 150 days a year. To the west, in the Hill Country, soils like the Eckrant series sit on hard limestone only 4 to 20 inches down. One lot needs clay managed; the other needs rock broken.
Flatwork skips the building permit, not the rules.The City of Austin exempts private sidewalks, driveways and concrete flatwork outside the right-of-way, but the City's residential application counts “AC pads and other concrete flatwork” toward impervious cover, and SF-3 lots are generally capped at 45 percent. See the Austin slab permit and impervious cover guide.
The heat is a schedule, not a stop sign. July and August normal highs are 96.6 F and 97.8 F at Camp Mabry. Read pouring concrete in Texas heat for what that does to pour times and curing.
Thickness, steel and vapor retarder rules by use are in the slab thickness, rebar and vapor barrier guide, and the house-foundation question is in slab vs pier and beam in Austin.
Austin concrete slab guides
Concrete Slabs in Austin, TX: Frequently Asked Questions
How much does a concrete slab cost in Austin, TX?
Two Austin sources put a poured slab at roughly $5.63 to $11.26 per square foot installed (projectcosted, August 2026) and $6 to $10 per square foot for a reinforced slab (HomeBlue, September 2024). A 20x20 slab lands near $2,252 to $5,900 across the two. Rock, clay work, long access and tear-out push a quote higher.
Do I need a permit to pour a concrete slab in Austin?
Usually not for flatwork. The City of Austin exempts a residential sidewalk, driveway or concrete flatwork that is not in the public right-of-way. The slab still counts toward your lot's impervious cover limit, and anything touching the curb or sidewalk needs a Driveway/Sidewalk permit. A slab foundation for a house or addition is part of a building permit.
How thick should a concrete slab be?
The residential code minimum for a floor slab is 3.5 inches (IRC R506.1, as adopted in Austin). HomeBlue's Austin guide puts residential slabs at 4 to 6 inches, spa makers ask for at least 4 inches under a hot tub, and steel building suppliers call for 4 to 6 inches, or 6 to 8 with heavy equipment.
Is Austin clay bad for concrete slabs?
It is hard on them, not bad for them. Houston Black clay, the Texas state soil and common on the Blackland Prairie side of Austin, shrinks and swells enough to open cracks up to 4 inches wide (USDA). Slabs there need a good base, steel, proper drainage and, for buildings, an engineered design. West of town the soil is thin over limestone instead.
Can you pour concrete in Austin in the summer?
Yes, with planning. Austin averages 28.7 days a year at or above 100 F (NOAA 1991-2020 normals, Camp Mabry), so summer pours start early, may use chilled water or ice in the mix, and get cured right away. NRMCA guidance says chilled water can lower concrete temperature up to 10 F and ice up to 20 F.
How long before I can drive on a new slab?
HomeBlue's Austin guide says a slab is usually walkable in about 48 hours and fully cured in 28 to 30 days. Vehicles wait longer than feet; ask whoever pours yours for the day, since mix, thickness and weather all change it.
Does Austin Concrete Slabs do slab or foundation repair?
No. Austin Concrete Slabs handles new concrete: slab foundations, pads, footings and building slabs. Foundation leveling, pier repair and mudjacking are a different trade with different equipment.
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