Foundation installation in Lewiston ID - a base planned right before the first pour
Stuck choosing between a slab and a crawl space for your new home? We'll help you pick the right base and pour it carefully.
Talk through your foundation plan with us
Call (208) 848-5044 or send the form while your plans are still on paper, because changing a foundation then takes a conversation instead of a jackhammer.
What goes into a new foundation in Lewiston?
Foundation installation in Lewiston means building the concrete base your house sits on, usually a slab poured on the ground or a crawl space with short walls and room underneath, and the type you pick decides how easy plumbing repairs are later and how dry the house stays.
Most people come to me with house plans or an addition drawn up and a builder asking which foundation they want. The price mostly follows the size of the footprint, which type you pick and what it takes to dig the site, and the schedule turns on the permit and the weather on pour day. Before work starts, we check with the city or county office that covers your address and tell you what they said, and my written estimate lays out the prep, the mix and the joint layout so you can see where the money goes.
Why Lewiston homeowners call Lewiston Concrete for foundations
The owner comes out and stays
I'm the one who looks at your job and writes the estimate, and I'm on site running the crew when we form, pour and finish. Nobody new shows up on pour day.
In business since 2017
I learned concrete on projects around my own place here in Lewiston, then on other people's job sites, before starting this business in 2017. That's how I learned which prep holds up.
Licensed, insured and permit-checked
We're licensed and insured. Before any digging, we check with the office that covers your address, on either side of the state line, so you know what's required before you're committed.
On a foundation, the part that matters most is the part that gets buried, so tell me about your build and I'll come take a look.
How we handle foundation installation
I start by sitting down with you to weigh a slab against a crawl space, talking through what plumbing repairs could look like down the road and how a crawl space would stay dry. That's also the time to decide on radon features, so I bring it up early instead of after the forms are set. Engineering guidance says foundation design starts with a soils investigation, meaning test holes and lab tests of the soil, so I check whether your plans already include one. Then we dig out and pack the base, form and pour the footings, set the rebar, the steel that keeps cracks from spreading, build the walls or the slab, and let it cure, which is the wait while concrete gains strength before anything gets built on it.
Every foundation rests on concrete footings, and we also pour them on their own when a deck or addition needs them. For small commercial jobs, we can follow the building's foundation with concrete parking lot building, so the whole site comes together with one crew.
Slab on the ground
This suits a one-level house where you don't expect the plumbing layout to change much. Everything sits close to the ground, and there's no space underneath to keep dry.
Crawl space with room below
This suits owners who want to be able to reach the pipes and wiring later without cutting concrete. It works well when the plan covers how that space stays dry from day one.
Waterproofed foundation walls
This suits a wet site or walls that hold back soil. Concrete foundation guidance counts coatings that stretch as the concrete moves as true waterproofing, because they protect longer and hold up against more water pressure.
When should you start planning a foundation?
A lot ready to build
Once the lot is cleared and the house plans are drawn, the foundation is the first thing on the schedule. Calling late can leave your framer standing around waiting on concrete.
Plans with no foundation type
If your drawings don't say slab or crawl space yet, that choice is still open. Put it off until the dig and you'll decide in a hurry on something that's hard to change.
An addition or shop planned
A new room or shop needs its own base, sized for what goes on top. Talking it through before the walls are designed keeps you from reworking drawings later.
Plumbing you may change later
If you might add a bathroom or move the kitchen someday, that should shape the foundation you pick. Once the concrete is poured, changing your mind gets expensive.
What happens after you call about a foundation?
Call, then I walk the site
I come out, look at the site and your plans, and talk through what you want. Then I send a written estimate covering the prep, the mix and the joint layout.
Sort out the permit and date
We check with the office that covers your address and handle the application if a permit is needed. Then we pick a pour date with the weather in mind.
Pour, finish and cure
I'm on site running the crew through forming, pouring and finishing, and I stay with the job through curing. We work through each inspection with you until it's signed off.
Foundation questions we hear
These are the questions I hear most when someone's planning a new foundation. If yours isn't here, ask me when I come out to look at your site.
How much does foundation installation cost in Lewiston?
There's no set price, because it comes down to the size and shape of the house, slab or crawl space, how the plan handles frost, and any radon or waterproofing work. Digging a tight or sloped site also adds to it. My written estimate breaks out the prep, the mix and the joint layout, so you'll see your own number and what's in it.
What is the best way to choose between a slab and a crawl space?
Pick a slab if you don't expect much plumbing work later, and a crawl space if you want to reach the lines underneath and you'll keep that space dry. Plumbing and electrical lines run in or under a slab, so any repair means jackhammering through the concrete. An unconditioned crawl space, one that isn't heated or cooled, has bare dirt and vents that let humid air in, and that can lead to mold, rotted floor joists and poor indoor air.
Do I need a permit for foundation work in Lewiston?
Yes. The City of Lewiston requires a building permit whenever a building or structure the code covers is built, altered, enlarged, repaired or moved, and a new house or addition falls under that. The permit comes with building, electrical, plumbing and mechanical inspections, and once all the inspectors approve the finished project, the city issues a certificate or letter of completion. We handle the application and the inspections with you, and since we also work in cities like Clarkston and Pullman, we check which office covers your address first.
Who can build my foundation in Idaho?
A contractor on a job over $2,000 in materials and labor has to be registered with the state unless they're exempt, and one who isn't registered can't get a building permit. An unregistered contractor also gives up any right to a lien, a legal claim against the property for payment, so asking for proof of registration is fair. If you're building on your own residential property, you're exempt, though limits apply if you're building to sell right away.
Should a new foundation include radon protection?
It's worth deciding at the start, because the EPA's radon-resistant construction guide says adding its features during the build usually costs less than treating the home afterward. About 2 out of 5 Idaho homes have elevated radon, and levels vary by location, so testing is the only way to know about a given house.
How do I protect a slab foundation from frost?
In a cold climate, the slab's edge needs to reach below the frost depth, which is how deep the ground freezes, or be protected with insulation around the perimeter. Those are the two approaches, and you should ask whoever builds it which one your plan uses. On our jobs, I'll walk you through it before we dig.
Get a written foundation estimate
Send your property address, whether you're leaning toward a slab or a crawl space, and your timeline. We reply within one business day, and I'll come out for a free, no-pressure look before sending a written estimate.
What foundation work looks like
Other concrete work for your build
Concrete footings
Adding a deck, a porch or a small outbuilding? You may only need footings, the concrete that carries posts and walls down into firm ground.
Learn moreConcrete parking lot building
A new shop or small commercial building usually needs somewhere to park, and planning the lot alongside the foundation keeps grades and water heading the right way.
Learn more