Slab foundation building in Fargo ND - a warm, dry base for your new house
You've got a lot and a build date. We plan the slab, insulation and grading so the house closes in before the freeze.
Get your slab foundation estimate started
I walk the lot with you, check the slope and put the scope in writing.
What goes into a slab foundation in Fargo?
Slab foundation building in Fargo, ND means pouring a concrete slab at ground level that becomes the base of your house, with rigid insulation on its edge and the yard graded so water runs away from it. The pour has to go in early enough in the season that the house can be closed in and heated before the freeze.
Most people who call Signature Fargo Concrete Company about a slab already have a house plan and a lot, and what worries them is freezing ground and a short building season. The price moves with the size and thickness of the slab, how much digging and base work the lot needs, and how much edge insulation and grading the plan calls for. The schedule turns on the permit, the weather and how early you can start, because everything after the pour waits on it. I walk the lot with you and put the scope in writing, so you know what you're paying for before anything gets dug.
How we handle slab foundation building
I start by setting the pour date, early enough that the house can be closed in and heated before the freeze, and the rest of the plan works back from that day. Our crew digs out to firm ground and packs the subgrade, the soil and gravel the slab sits on, because a base that's only raked level settles with the dirt and takes the slab with it. Edge insulation and final grading are in the plan from the start rather than added once the walls are up, so water runs away from the new slab. We set the forms and the rebar, the steel that holds the slab together if it cracks, pour in the cooler part of the day so the top doesn't dry out weak and dusty, and cut control joints, shallow grooves that give the concrete a straight place to crack, before it hardens too far. Then the slab cures, a wait that lets the concrete gain strength before framing goes on it. If the budget gets tight, the base is the last thing I'd cut, because nobody sees it on day one and everybody sees it when it sinks.
If your plans call for a basement or deeper walls instead of a slab at grade, that's our foundation installation work. Builders and property owners putting up a shop or a commercial building often need the paving around it too, and we plan that alongside the slab as concrete parking lot building.
Building a slab foundation in Fargo
In Fargo, the city's Inspections Department enforces the building codes, and permits and inspections are requested through its online portal. We check with the city what your slab needs, handle the application and set up the inspections with you, so the pour date isn't held up waiting on paperwork.
We're based in Fargo and work across Fargo, West Fargo, Moorhead and the cities around them, and most slab calls here are new homes, garages and shops on fresh lots where the question is whether the slab can still go in this season. We build slabs the same way on jobs in West Fargo and Moorhead, and since Moorhead is in Minnesota, we check with that city what it needs before we plan the pour.
Why call us for a slab
I walk every lot myself
I come out to look at each job and write the estimate, and our crew lead runs the work on site while I check in as it goes. You deal with the person who planned your slab, not someone reading the plan for the first time.
Planning concrete jobs since 2017
I spent years running the schedule for a building company before I learned to place and finish concrete, then started this business in 2017. That's why our slabs are planned around a pour date and a close-in date, with no wasted days in between.
Licensed and fully insured
We're licensed and fully insured, and North Dakota lets you search registered contractors to see whether a license is in good standing. It takes a minute and tells you who you're actually hiring.
- Phone
- (701) 608-1202
- Hours
- Mon–Fri: 8 AM–10 PM, Sat–Sun: 7 AM–9 PM
- Location
- Fargo, ND 58102
On a slab, the base and the pour date matter most, and both get settled at the first visit. Request your estimate and I'll come out to walk the lot.
Get a written estimate for your slab foundation
We get back to you within one business day. I come out, walk the lot with you and put the scope in writing, and the estimate is free with no obligation. It helps to have the lot's slope, the planned slab size and your target start date ready.
- Phone
- (701) 608-1202
- Location
- Fargo, ND 58102
- Hours
- Mon–Fri: 8 AM–10 PM, Sat–Sun: 7 AM–9 PM
- Credentials
- Licensed and fully insured.
Frequently asked questions
How much does a concrete slab foundation cost in Fargo?
Concrete slab work in Fargo usually costs about $6 to $12 per square foot, which is the going rate for a slab in the area, not a full foundation quote. Base work, thickness, edge insulation and grading all move where your job lands, so your own number comes from the free estimate after I walk the lot.
Is a frost-protected shallow foundation right for my lot?
It can be, if you're building a slab-on-grade house on a lot with a moderate to low slope, which fits a lot of fairly flat Fargo lots. One builder's guide calls it a practical alternative to a deeper, more costly foundation where freezing ground can heave, and it can go in with one pour, which cuts down on inspections and speeds things up. It's an option to raise with us and the city, not a Fargo rule, so bring your plans to the estimate.
When should a slab foundation go in before winter in Fargo?
Early enough that the house can be closed in and heated before freezing weather, the same timing a deeper foundation needs. The city publishes cold weather concrete requirements, so if your pour falls late in the season, ask how they apply to your slab. I'd rather move a pour than rush it, so we pin the date down early.
Does my concrete contractor need a license in North Dakota?
Yes, when the cost, value or price of the job is over $4,000, the person doing the work must be licensed as a contractor in North Dakota. Ask for the license before you sign and check it against the state's contractor search.
How do I keep water away from a new slab foundation?
Keep the finished ground sloping away from the slab, which building guidance stresses in cold climates where frozen soil can heave and grip a foundation. Guidance also says to cover the part of the edge insulation that sits above ground with a stucco coating, pressure-treated wood, brick or aluminum flashing so it holds up.
What is the best way to insulate a slab foundation edge?
Rigid insulation goes on the slab edge while the slab is built, and it should reach the top of the slab, so that's worth asking any contractor about. When the slab is poured in one piece with a thickened edge, the insulation runs down the outside to the bottom of that edge, and a slab separate from the foundation wall gets insulation at its edge and under its outer border.
Related concrete work
Foundation installation
When your house needs a basement or deeper walls rather than a slab at ground level, start here to see how we plan and pour that kind of foundation.
Concrete parking lot building
Building a shop or commercial building on a new slab? The lot, drive lanes and parking around it are usually poured as their own job, and we plan both together.