Slab foundation building in White Plains NY - a dry, solid floor for your new home
Planning a home, addition or garage on a slab? We prep the ground, guard the vapor barrier and pour a floor that carries it.
- Fully licensed and insured.
- Free quotes on site.
- We reply within 1 business day.
When a slab foundation makes sense
Slab foundation building means setting your house, addition or garage right on a concrete floor slab instead of over a basement or crawl space. In a thickened slab, the footing that carries the walls is poured as one piece with the floor. We build them in White Plains, across Westchester and over the line in Stamford.
The price mostly follows the slab's size, whether it's reinforced with steel, and how much digging and grading your lot needs first. The schedule turns on the permit, the weather and the cure, because concrete needs time before anyone builds on it. I measure on site and put what's included in a written estimate.
Footing and floor together
In a thickened slab, the footing and the floor go in as one piece.
Packed subgrade
The subgrade, the soil and stone the slab sits on, gets dug out and packed.
Vapor barrier underneath
A moisture-blocking sheet under the concrete keeps ground dampness from coming up through the floor.
Rebar for strength
Rebar, steel bars set in the concrete, holds the slab together under the weight of a house.
Is a slab the right pour?
Some jobs carry a house, some carry cars or foot traffic, and some fix what's there, so start with what the concrete holds.
- Concrete driveway buildingThis pageA good fit when your old driveway is cracked, sinking or holding puddles.
- Concrete patio constructionThis pagePick this when you want a flat, simple spot out back for a table and grill.
- Stamped concrete servicesThis pageRight for you if you like the look of stone or brick in concrete.
- Concrete sidewalk buildingThis pageChoose this when the walk to your door is uneven, chipped or easy to trip on.
- Garage floor concreteThis pageFor a garage slab that's cracked, stained or sloping the wrong way.
- Decorative concreteThis pageWorth a look when you want color, texture or a finish beyond plain gray.
- Concrete retaining wallsThis pageA good call when a slope in your yard needs holding back.
- Concrete floor installationThis pageFits basements, sheds and rooms that need a plain concrete floor inside.
- Concrete pool decksThis pageFor the deck around your pool, finished so wet feet can grip it.
- Concrete steps constructionThis pageWhen your front or back steps are crumbling, loose or uneven.
- Slab foundation buildingThis pageYou're here, the pick for a house, addition or garage sitting right on a slab.
- Foundation installationThis pageChoose this when the house needs foundation walls rather than a slab on grade.
- Concrete parking lot buildingThis pageBuilt for businesses and buildings that need room for a lot of cars.
- Concrete footingsThis pageFor the concrete pads and strips under decks, porches, walls and additions.
- Foundation raisingThis pageWhen part of your foundation has settled and your floors or doors show it.
- Concrete cuttingThis pageUse this when an opening, trench or clean edge needs cutting into existing concrete.
Slab foundation examples
Press any photo to see it larger, and ask us about anything you like.
Why homeowners pick Benchmark for slabs
I come out to every job
I look at the lot, measure and write the estimate myself, and a small crew I trust does the work, usually with me on site for the pour.
Prep done before the pour
I learned the trade one pour at a time after years in busy kitchens, so the prep is done before the truck shows up.
Check any contractor's license
Westchester County requires a county license for home improvement contractors and keeps a list you can check. We're fully licensed and insured.
From your call to the final walk
I explain every step in plain words as we go, the way I'd walk a new cook through the line.
Call or send the form
Call (914) 259-5254 or send the form with a few words about the job.
I walk the lot
I come out, look over the site, measure and talk the whole job through with you.
Your written estimate
You get a written estimate that spells out everything included in the job.
Paperwork, prep and pour
Once you sign, we sort the paperwork, set a pour date, prep the ground and pour.
Clean-up and walk-through
We clean up, and I walk the finished slab with you before we call it done.
Slab foundation questions, answered
Read through these, and if your question isn't here, ask me and I'll explain it plainly.
Ask me directly
Call (914) 259-5254 or send the form with anything this list doesn't cover.
How much does a slab foundation cost in Westchester County?
A reinforced concrete slab in Westchester County usually costs about $8 to $14 per square foot, according to one cost guide. Pads poured without steel run a little less per foot, and the digging, grading and access on your lot move the number too. I give you the price in writing after I measure.
Do I need a permit for a slab foundation in White Plains?
Usually yes, because the White Plains Building Department runs the permit process for the design, construction and additions of structures in the city. The application goes on the right form, gets notarized and is brought to the department. We handle the permit paperwork when a job calls for it and tell you up front which office we'll be dealing with.
How soon can you walk on a new concrete slab?
A slab should be walkable within 48 hours, but concrete takes a month to fully cure, curing being the slow hardening that gives it strength. One cost guide suggests waiting a week before putting heavier loads on it, so plan the next stage of work around that.
What slab foundation type works best on a gently sloped lot?
One builder's guide says a frost protected shallow foundation suits slab-on-grade homes on lots with moderate to low slopes best. It uses insulation placed around the building to warm the soil so the foundation can sit higher, and the slab version can go in with one pour, which speeds construction. I look at your slope before we choose a method.
Why does the vapor barrier under a concrete slab matter so much?
It stops ground moisture from coming up through your floors, and one maker's white paper says even small holes can sharply raise that moisture. That can mean failed floor coverings and delays putting floors down. We treat the barrier like the most fragile thing on site, because one tear can cause trouble for the floors that go down later.
What site prep does a slab foundation need in White Plains?
New York's residential code requires the lot to be graded so surface water drains away from the foundation, using drains or swales, which are shallow ditches, where walls or slopes block that. Westchester County says its soil maps are for planning only, and a site for heavier use still needs onsite testing. I check your grading so water heads away from the house.
Tell us about your slab for a free estimate
Send the address, rough slab size and lot slope. We reply within one business day, then I measure on site for a free written estimate, no pressure to book.
White Plains, NY 10601