Concrete floor installation in Fremont CA - a solid floor that's ready for your flooring
Cracked, sinking or damp slab under your flooring? We build a new concrete floor on a packed base, planned for what goes on top.

- Licensed and insured.
- Free on-site estimates.
- We reply within 1 business day.
What goes into a new concrete floor in Fremont?
Concrete floor installation in Fremont means we build a new slab, usually 4 to 6 inches thick in a home, that's either the floor itself or the solid base under your tile, wood or vinyl.
Most floor calls start with an old slab that's cracked, sunk or too damp to hold new flooring, or with an addition, a converted garage or a workshop that needs a floor where there isn't one. The price moves with the size, how thick the slab is, whether it carries steel, how much digging and base work it takes and how close we can get the truck. The schedule turns on any permit the job needs, the weather on pour day and the curing time before your flooring can go down. My written estimate lays out what's included for your floor.
How do you know your concrete floor needs replacing?
Cracks that keep growing
A hairline crack that stays put is usually nothing, but one that widens or has one side higher than the other usually means the base under it moved. Left alone, the edges chip and break up, and any tile or wood over it cracks along the same line.
Low spots and an uneven floor
If a ball rolls to one corner or a section has sunk below the rest, the dirt under the slab has usually settled because it was never packed. It doesn't stop on its own, and the longer it goes, the more of the floor ends up coming out.
Damp spots or lifting flooring
Dark damp patches on bare concrete, or flooring that lifts and smells musty, usually point to moisture coming up through the slab. Replacing the flooring without dealing with what's under it tends to buy you the same problem again.
How we build a concrete floor
I start by checking where water runs on your lot and what the floor has to carry, so the slab doesn't end up tipped toward the house or too thin for the job. Our crew digs out to the subgrade, the firm soil the slab sits on, and packs the base in layers, because dirt that's only raked level settles and takes the concrete with it. Moisture coming up through a new floor is the thing to plan for when flooring goes on top, so before anything is poured I talk with you about the layer under the slab and who handles moisture testing before your flooring goes down. Then we set the rebar, steel bars that hold the slab together if it cracks, and pour in the cooler part of the day so the top doesn't come out weak and dusty. We trowel it smooth, cut the control joints while it's fresh so the slab has grooves where it's meant to crack, and keep it damp while it cures, the slow hardening that gives concrete its strength. If the budget gets tight, I'd rather you trim the finish than the base, because nobody sees the base on day one but it's the one part you can't fix later without breaking the floor out.
A new floor often comes with work right outside it. If the slab leaves a drop at a back door, our crew can build concrete steps on the same job, and if the room opens onto a pool, we can pour concrete pool decks with the same care for the base and drainage.
A slab for tile, wood or vinyl
This suits an addition, a converted room or any floor that'll get a covering, so we trowel it smooth and flat and plan the layer underneath with moisture in mind. It's the option where talking with your flooring installer early pays off.
A bare concrete floor
This suits a workshop, storage room or utility space where the concrete is the finished surface. We can trowel it smooth or give it a light broom finish, fine lines dragged across the top for grip where the floor gets wet.
Get a written estimate for your concrete floor
We reply within one business day. I come out, look at the site and write up a free estimate that spells out what's included, and there's no obligation to go ahead.
- Based in
- Fremont, CA 94536
- Hours
- Mon–Fri: 6 AM–11 PM, Sat–Sun: 7 AM–11 PM
What happens after you call about a concrete floor in Fremont?
Here's how a floor job runs from your first call to the final walk-through, so you know who you'll be talking to at each step.
Call or send a note
Call (341) 201-0945 or use the form with your address and a rough idea of the job. We set a time for me to come see it.
I look and write it up
I check the site, listen to what you want and write an estimate that spells out what's included, from the base and the layer under the slab to the finish. You'll see what you're paying for before you decide anything.
We pour and walk it together
Once you say go, we take care of any permits and inspections the job needs, and our crew does the work with me on site. When it's done, I walk the finished floor with you and we leave the site clean.
Why Fremont homeowners call us for concrete floors
I estimate it and run it
I'm the one who comes out to look at your floor and write the estimate, and I'm on site running the crew when it's poured. The person who heard what you want is the one making the calls on pour day.
City-crew training, in business since 2020
I learned concrete pouring sidewalks, curbs and driveway approaches on a city crew next to inspectors, and started this business in Fremont in 2020, six years ago. That's where I learned that the hidden parts decide how a slab holds up, so that's where I spend the most care.
Licensed and insured for your floor
We're licensed and insured. In California, a home improvement contractor is one licensed by the Contractors State License Board, so that's the license to ask any contractor about before you hire them.
Before anything gets poured, I'd rather you ask every question you have. Send us a note or call (341) 201-0945 to set up a visit.
Concrete floors, steps and pool decks in Fremont
We're based in Fremont, and the ground under a floor here is worth a look before we plan anything. The city's online hazard map shows earthquake faults and how prone the soil is to liquefaction, where wet ground goes soft in a strong quake, for any Fremont address, so it's worth looking yours up. A property in a mapped seismic hazard zone may have to have that hazard looked into and dealt with as part of the local permit process. If your floor needs a permit, we pull it, set up the inspections and meet the inspector on site, and if it's not clear whether it needs one, we check with the city or county office for your address before work starts.
Union Sanitary District inspects home job sites for the city's stormwater rules and can take action against people who break them. The state's stormwater guidance says concrete trucks get washed out in a spot set up for it, not in a storm drain, ditch, street, stream or on bare ground, and that's part of how we leave your street the way we found it. We keep the same habits on jobs in Newark and Union City.
Questions about concrete floors in Fremont
How much does a new concrete floor cost in the Bay Area?
A concrete slab in the Bay Area usually costs about $8 to $16 per square foot, and that's the going rate around here, not our price. Reinforced slabs run more per square foot than plain pads, and commercial floors cost more because they're thicker. Your own figure comes from the written estimate after I've seen the site.
How long does a new concrete floor take to cure before you can walk on it?
You can usually walk on a new slab within 48 hours, though concrete takes 28 to 30 days to fully cure. To be safe, wait about a week before putting heavier loads on it, and hold off on flooring until the slab's moisture has been checked.
Will a new concrete floor in Fremont crack?
A new concrete floor will likely get a few cracks, and that's normal. The national guide for slabs on the ground says a floor with no cracks and no curled edges isn't realistic even with the best design and careful work, so a few cracks don't by themselves mean the job was done badly. What we control is the base and the control joints, so most cracking follows lines we chose.
What causes flooring to buckle on a concrete slab?
Usually it's moisture coming up through the concrete. Water vapor rises through the slab, gets trapped under sealed flooring and condenses, which can make the flooring cup, buckle and blister, loosen the glue and lead to mold. The plastic sheet under the slab, called a vapor retarder or vapor barrier, slows that down, and one maker's paper notes that even small holes in it can sharply raise the vapor coming through and delay flooring installs.
How do I know a new concrete floor is dry enough for flooring?
Ask for a moisture test before the flooring goes down. A Canadian flooring trade group says moisture testing has always been a requirement of floor covering warranties, and flooring makers typically call for a relative humidity test, where a probe reads the air in a small hole drilled in the slab, a calcium chloride test, or both. Ask who's running that test before the flooring date is set.
How much can a contractor ask for up front in California?
A California contractor can't ask for or accept a down payment of more than $1,000 or 10 percent of the total contract price, whichever is less, according to the state licensing board. Every other payment has to be listed clearly in the contract and tied to work finished or materials delivered, so check that before you sign.
Related concrete work around a new floor
Concrete pool decks
A pool deck around the water needs a grippy top and a slope that sends water away, and it can be planned along with your new floor.
Concrete steps construction
When a new floor leaves a taller drop at a door or between levels, solid concrete steps with even heights make it easy to walk every day.
Cities we pour concrete floors in
Frontier Fremont Concrete Company is based in Fremont, California, and we work in many of the cities around it, including Hayward and Milpitas. The 12 cities below each have their own page, and if yours isn't listed, ask us.
Tell us about the floor you need
Have the floor's size in square feet, the flooring you plan to lay and the property address handy, and we can get to the useful questions on the first call.
