Slab foundation building in Hawthorne CA - your lot checked before the pour
Who can build a slab foundation for my home in Hawthorne?
Liberty Hawthorne Concrete builds slab foundations for homes and small buildings in Hawthorne and the cities around it. I come out first to look over your lot with you, because a slab doesn't suit every site. Then our crew forms, pours and finishes the slab to match the written estimate.
A slab foundation is a flat pad of concrete poured on the ground to carry your house, so it's only as good as the subgrade, the packed soil it sits on. Our crew digs that out and packs it instead of raking loose dirt level, and we check that water will run away from the house before any concrete arrives.
I spent years writing quotes for another company before I learned forming and finishing in the field, and I started this business so that what I write down is what we build. Our lead finisher is on site for the pour. If your project also needs paving, we handle concrete parking lot building as well. Satisfaction guaranteed on every job.
In Hawthorne, a good first step is to type your address into the state's EQ Zapp map, which shows whether your lot lies in a mapped earthquake hazard zone. In those zones most developments need a study by a state-licensed engineering geologist or civil engineer before a permit, though single-family frame homes up to two stories are exempt unless they're part of four or more units or the city asks for more.
What the job takes
- Walking the lot with you first
- Digging out and packing the subgrade
- Checking where the water drains
- Setting forms to your plans
- Pouring in the cooler hours
- Cutting control joints on time
What to weigh before building a slab foundation
What shapes the cost
The slab's size, the digging and packing the ground needs, how easily the crew can reach the site and what your plans call for set most of the price.
What the timing depends on
The schedule turns on the permit, the weather on pour day and the cure, because the slab needs time to harden before the next stage of your build goes on it.
Base before finish
If the budget is tight, I'd rather you spend it on a dug-out, packed base than on the surface, because the base carries the house and can't be fixed later.
Slab foundation questions from Hawthorne
How much does a slab foundation cost in the Los Angeles area?
A slab foundation in the Los Angeles area usually costs about $8 to $16 per square foot installed. Where yours lands depends on the size, how much work the ground needs and what your plans call for. I write the estimate myself and list what's included and what isn't, so you can go over it line by line.
Is a slab foundation right for my lot in Hawthorne?
A slab is usually right when the lot is level and the ground is well compacted. General guidance for the Los Angeles area is that a slab is quicker and easier to lay than other foundations on that kind of ground, which brings labor costs down considerably. If your ground is uneven or the house has to sit above a floodplain, a different type makes more sense, and we can talk about foundation installation instead.
How long does a new slab foundation take before we can walk on it?
A new slab should be walkable within 48 hours. Curing, the slow hardening that gives concrete its strength, takes about a month to finish, so the usual advice is to wait a week before putting heavier loads on it. We'll help you plan the next stage of your build around those waits.
Are cracks in a new concrete slab a sign of bad work?
Not by themselves, because some cracking and slight curling at the edges happens on every slab, even with a good design and proper construction. We cut control joints, shallow grooves that give the concrete a straight place to crack, so most of it happens where we chose. I go over what a curing slab looks like at the estimate, small cracks included, so nothing comes as a surprise.
Do I need a permit to build a slab foundation in Hawthorne?
Plan on asking, because Hawthorne's Department of Building and Safety handles plan check and building permits to construct, improve or repair any structure. If your job needs one, I tell you at the estimate and we handle the application with the city. Its application asks the applicant to sign that they're licensed under the state's contractor law, and we're fully licensed and insured.
What is the best way to build a slab foundation on soil that shrinks and swells?
A post-tensioning trade group says a post-tensioned slab, which keeps the concrete squeezed together, resists the stress that shrinking and swelling soil puts on a foundation. In its view, that makes it a cost-efficient step up from a standard slab on that kind of ground. If your plans call for one, I'll go over what it means for the work and the price at the estimate.
Slab foundations near you
We're based in Hawthorne and build slab foundations in Inglewood, Gardena and many other cities around it. Find your city below, or please call if you don't see it listed.
Other services
- Concrete driveway building
- Concrete patio construction
- Stamped concrete services
- Concrete sidewalk building
- Garage floor concrete
- Decorative concrete
- Concrete retaining walls
- Concrete floor installation
- Concrete pool decks
- Concrete steps construction
- Foundation installation
- Concrete parking lot building
- Concrete footings
- Foundation raising
- Concrete cutting
Ask for a free slab foundation estimate
Send your address, planned slab size, any plans and your EQ Zapp result. We reply within one business day, and I come out for a free, no-obligation estimate on site.