Slab foundation building in McAllen TX - a level base built for the ground it sits on
Building a new house or addition in McAllen? We prep the ground, set the steel and pour a slab sized to your lot and plans.
- Licensed and insured.
- Free estimates at your property.
- We respond within 1 business day.
What goes into building a slab foundation in McAllen?
Slab foundation building in McAllen means pouring the reinforced concrete base your house rests on, right on the ground. Everything else in the house is built on top of it, so how it's designed and poured decides how the house holds up.
Most people call us with house plans in hand, or with a lot cleared for a new home or a room addition, and they want to know what the base will take. The price moves with the slab's size and thickness, how much steel the design calls for and how much digging and packing the ground needs before we pour. The schedule turns on the plumbing, the city inspections, the weather and any concrete footings the plans call for first. If your build needs city permits and inspections, we help you line them up and plan the pour around them. Your own number comes from the written estimate I put together after I've seen your lot.
How do you know it's time to plan a slab foundation?
Plans ready, ground still bare
You've got house plans or an addition drawn up and the lot is cleared, but nothing's been dug yet. That's the time to bring in the slab crew, because a pour squeezed in after the framer is booked leaves the plumbing and inspections rushed.
Water standing where the house goes
After a rain, puddles sit right where the slab is supposed to go. That usually means the ground needs shaping so water runs away from the house, and a slab poured before that's fixed will collect water at its edges.
Old slab cracked through
On a teardown or rebuild, the old slab has cracks running across it and the floors inside sloped. That usually points to ground that moved or a base that was never packed, and pouring over it carries the same problem into the new house.
How we handle slab foundation building
A house slab has a lot of hands on it, so we keep your designer, your plumber and the city inspections lined up with our pour. We start by checking the ground and where water runs on the lot, then dig out and pack the subgrade, the soil the slab sits on, because a base that's only raked level settles with the dirt. The forms go up, the plumber sets the lines that run under the floor, and we lay the vapor barrier and tie the rebar, the steel that holds the slab together when the ground shifts. On a hot day we plan for the heat instead of watering down the mix, pouring in the cooler hours, and we cut control joints, shallow grooves that give the slab a planned place to crack, before it picks its own. Then it cures, the wait while concrete gains strength. If a budget has to be trimmed, I'll trim somewhere other than the base, because you can redo a finish later but you can't redo the dirt under a house.
Not every building sits on a slab poured at ground level, so if your plans call for a different kind of base, our foundation installation work covers it. Small business owners putting up a shop or office usually need paving around it too, and we handle concrete parking lot building so the slab and the lot get planned as one job.
Rebar-reinforced slab
A slab with a grid of steel bars tied in before the pour suits most houses and additions. It's the type most designers draw, and it's simple to inspect before the concrete goes in.
Post-tensioned slab
Steel cables run through the slab and get tightened after the concrete hardens, squeezing it so it holds together. It's often drawn for ground that shrinks and swells, and your designer or engineer makes that call.
Addition slab tied to the house
A room addition needs a new slab that meets the old one at the right floor height and ties into it. It suits anyone adding on, because a mismatch shows up later as a crack or a step where the rooms join.
Get a written estimate for your slab foundation
We respond within 1 business day to set a time. I come out to your lot, ask my questions and take measurements, then you get a free written estimate with no pressure and no obligation.
- Based in
- McAllen, TX 78501
- Hours
- Mon–Sun: 7 AM–11 PM
What happens after you call about a slab foundation in McAllen?
From your first call to the day the slab is done, here's how the job runs and what you get from us along the way.
Call or send the form
Tell me the lot address, roughly how big the slab is and what flooring you're planning, and I'll set a time to come out. Those three things shape most of the questions I'll ask.
I look, measure and ask
I walk the lot, check the ground and where the water runs, and take my own measurements. You get a written estimate that lays out the prep, the slab and the steel, so you can see where your money goes before anything is dug.
We line up the inspections
If the job needs city paperwork or inspections, we help you line them up and set the pour date around the plumbing and foundation inspections.
We pour and walk it together
Our crew does the work with me on the job, from packing the base to cutting the joints. When we're done, I walk the slab with you and go over the cure before anything heavy goes on it.
Why homeowners and builders in McAllen call us for slab work
The owner comes out first
I'm the one who comes out to look at your lot, and our crew does the work with me on site. The person who asked all the questions about your ground is standing there when the concrete truck shows up.
In business since 2017
I learned concrete on a crew here in McAllen, pouring flatwork, the flat slabs like driveways and patios, and foundations before I started this business in 2017. We're best known for the jobs with a catch, like an odd slope, a tight entrance or an old slab nobody can explain.
Licensed and insured for your build
We're licensed and insured. On a house slab, where the plumber, the inspector and our crew all work the same lot before framing starts, that's one less thing for you to worry about.
On a house slab, the work that counts most is the ground and the steel you won't see once the floors go down. Tell us about your build and I'll come take a look.
Slab foundations, permits and inspections in McAllen
Building in McAllen goes through the city's Building Permits and Inspections Department, which issues permits to owners or builders who plan to build, expand, modify, move or demolish a building, and a new home or an addition is the kind of work that list covers. When your job needs a permit, we help you line it up and plan the pour around the inspections, and if you're not sure about yours, we'll check with the city office that covers your address. The city lists the rough plumbing inspection before the foundation inspection, so we get the plumber in ahead of our pour. At the foundation and steel inspection, the city checks the vapor barrier and the steel's grading, spacing and supports, and the framing, insulation, infiltration and final inspections come after that. Permits go through the city's online portal, and inspection requests are taken by phone at 956-681-1328.
Soil surveys describe the Hidalgo series as deep, well drained and moderately permeable, formed in limy, loamy sediment on nearly level to gently sloping uplands. That describes one soil type, not your lot, so I look at the ground and the drainage on every site before we talk about slab type. We're based in McAllen, work in McAllen and the cities around it, and do the same checks on jobs in Pharr and Edinburg.
Questions about slab foundations in McAllen
How much does a slab foundation cost in McAllen, TX?
A reinforced concrete slab in McAllen usually costs about $6 to $11 per square foot, which is what the local market runs, not a quote from us. Where yours lands depends on the size and thickness, the steel the design calls for and how much ground prep the lot needs. Send us your lot address and slab size and I'll come measure for a written estimate.
How long does a concrete slab take to cure before building on it?
Concrete takes 28 to 30 days to fully cure, the slow gain in strength after the pour, but a slab should be walkable within 48 hours. To be safe, wait a week before heavier loads go on it, and plan material deliveries and the next trades around that.
What is the best slab foundation for shrink-swell soil?
The Post-Tensioning Institute says post-tensioned slabs, which use steel cables tightened after the pour, are a cost-efficient, high-performance answer for ground that shrinks and swells. On less expansive soil, a slab of even thickness is used, and the institute says its extra concrete is offset by lower labor and equipment costs. Ask your builder or designer which fits your lot, and I'll tell you what I see in the ground.
How do I keep moisture from coming up through a new slab into my floors?
Water vapor moving up through a slab can make flooring glues or coatings fail, which shows up as peeling, warping, stains, trip hazards and possibly mold. If you're planning wood, vinyl or another floor that doesn't like moisture, you have the most at stake, so tell us at the estimate and we'll plan the vapor barrier with that floor in mind.
Can you pour a concrete slab in McAllen summer heat?
Yes, but hot weather makes cracks more likely both before and after the concrete hardens, so the pour has to be planned for it. One concrete products maker's bulletin says crews should add no water to cool the concrete or make it easier to work, because added water can hurt its strength and long-term durability. That's why we plan for the heat, as described above, and it's a fair question to ask any crew you're comparing.
Does a house foundation in Texas need an engineer?
Texas law makes an engineer responsible for a building's foundation design, unless the work is exempt under that law. Whether your house falls under an exemption isn't something I'll guess at, so call (956) 331-0213 or send the form with your plans and questions, and we'll talk through what your design needs.
Related concrete work for a new build
Foundation installation
If your plans call for a base other than a slab on grade, this is the work that gets the house's support into the ground.
Concrete parking lot building
Building a shop or office on a new slab usually means paving the lot around it, and planning both together keeps the drainage and grades working as one.
Service areas for slab foundations near McAllen
Craftsman McAllen Concrete Construction is based in McAllen, Texas, and works in McAllen and the cities around it. The 12 cities below have their own pages, including Mission and Weslaco, and we're glad to hear from you if yours isn't listed.
Get your slab foundation estimate started
Call (956) 331-0213 before your plans are final, so any ground or drainage questions come up while they're still easy to change.