Foundation installation in Whittier CA - built to suit your soil and slope
Planning a home, an addition or a new foundation under an old house? We start with your soil and slope, then build to match them.
- Licensed and insured.
- Free on-site estimates.
- Expect a reply within 1 business day.
What does a new foundation involve in Whittier?
Foundation installation in Whittier means forming, pouring and finishing the concrete your house or addition rests on. It's built either as a slab poured right on the ground or as footings and walls that hold the floor up over a crawl space, a short open space under the house.
Most people who call about a foundation are planning a new house or an addition, or the old foundation under their house has given out, and the first decision is usually slab or crawl space. If a slab suits your lot, our slab foundation building page goes into it further. The price moves with the size and shape of the footprint, which type you choose, how much digging the slope takes and what the soil turns out to be. The schedule turns on the soil review, the paperwork and the weather, and the written estimate I give you after seeing the lot lays out those parts for your job.
How do you know your house needs foundation work?
Floors that slope or sag
If a marble rolls across the room or the floor feels soft underfoot, the foundation under that spot has usually settled or broken down. Sometimes foundation raising is enough, but the longer it goes, the more the framing above twists and the more of the old foundation has to be replaced.
Cracks that keep growing
Fine cracks in old concrete are normal and not a reason to panic. Cracks that widen, run through block or show up with doors that won't latch usually mean the ground under the house is moving, and that's worth a look before more of the house goes out of line.
A damp, musty crawl space
Standing water or a moldy smell under the house usually means water is running toward the foundation instead of away from it. Left alone, it keeps soaking the soil and the wood above, so the repair grows to include rotted framing.
How we handle foundation installation
I walk the lot first and help you weigh a slab against a crawl space by how much the ground slopes and how damp it stays, and the soil review, which comes before any price, tells us how deep we dig. Then we check where the water runs so the finished grade sends it away from the house, dig down and pack the subgrade, the soil the concrete sits on, set the forms and tie in rebar, the steel inside that keeps cracks from pulling apart. We pour early in the day when we can, so the top doesn't dry out in the heat before it's finished, and then the concrete cures, a slow wait while it stays damp and gains strength before anything gets built on it. If a budget has to give somewhere, I'd rather it be anywhere but the base, because nobody sees it once the walls go up and it's what decides whether the floor above stays level.
Foundations rarely come alone. When the plan only needs support under a porch, a wall or a post rather than a whole house, our concrete footings work covers it, and for owners of business property who need the building and the paved lot around it, we also handle concrete parking lot building.
Foundation for a new house
This suits a bare or cleared lot where nothing is in the way yet. It gives us the most room to dig, form and pick the type that fits the slope, so the soil and the paperwork are usually what set the pace.
Foundation for an addition
This suits a house that's growing out the back or the side. The new foundation has to meet the old one at the right height, so I look at how the existing one was built before we plan anything.
New foundation under an existing house
This is for when the old foundation is too far gone to raise. It takes more planning than a bare lot because the house has to stay supported the whole time, which adds to the cost, and I'll tell you honestly if raising the old one would do.
Get a written estimate for your foundation
Send your address and a few lines about the job, and we'll reply within one business day to set a time. I come out, look at the lot and write up a free estimate, with no pressure and no obligation.
- Based in
- Whittier, CA 90602
- Hours
- Mon–Fri: 6 AM–11 PM, Sat–Sun: 8 AM–9 PM
What happens after you call about a foundation in Whittier?
Here's how a foundation job runs from your first call to the final walk-through, and who you'll deal with at each step.
Call or send us a message
Tell us what you're planning and where the property is, and we'll set a time for me to come out. Have the street address or parcel number handy, because that's how we find out which office covers the job.
I walk the lot with you
I'll ask what the foundation is for, where the water goes now and how the ground falls, and check which office covers your address. You get a written estimate that lays out the work and what's behind the price, so you can see where the money goes.
We plan the pour and build
Once the soil review and any permit are in order, we set the pour around the forecast, because heat and rain both change how concrete sets. Our own crew does the forming, pouring and finishing.
We walk the finished foundation
When it's done, I walk it with you and go over how to keep it damp and leave it alone while it cures. That's also your chance to ask anything about what's under the house before it gets covered up.
Why Whittier owners call Classic Whittier Concrete for a foundation
I look at every lot myself
I come out to see every job before it's priced, and I'm on site while our own crew forms, pours and finishes it. You deal with the same person from the first look to the last walk-through, so nothing gets lost in between.
Licensed and insured on your property
We're licensed and insured. A foundation means a crew, an open trench and a concrete truck on your property, so that coverage matters more on this job than on most.
In business since 2020
I learned concrete on other contractors' crews before starting this business in 2020. We're best known for the jobs others call tricky, like slopes and tight yards, which is what a lot of foundation sites turn out to be.
Soil looked at before pricing
LA County's design guidance ties foundation damage to soil that wasn't properly evaluated, so I won't give you a final number until the soil review is done. It adds a step at the start, but it beats finding out after the house is framed.
If you've got a lot or an addition in mind, send us the details or call (562) 358-3032 and I'll come take a look.
Foundation permits, soil and slopes in Whittier
Before any digging, we sort out who issues the permit, because in Whittier your street address decides it. In unincorporated LA County, LA County Public Works issues building permits, while property outside the county's reach may go to another office, and you can check yours by entering your street address or parcel number, numbers only, in the county's Service Locator. The county runs its South Whittier Building and Safety Office in Norwalk for unincorporated areas and the cities that contract with it. Its permit list names new buildings, additions, repairs and grading but doesn't name foundation installation on its own, so that list doesn't settle whether your foundation needs a permit, and it's a question for the office that covers your address. We check that for you, and when your job needs a permit, we apply for it and we're there for the inspections.
The other thing to check is whether the lot sits in one of the state's mapped Seismic Hazard Zones, where weak soil or rock may give way in an earthquake unless grading and building take the right precautions. On undeveloped land in those zones, a site study by a licensed engineering geologist or civil engineer may be required before most buildings can be permitted, though a one or two story frame house that isn't part of a development of four or more units is exempt from the state's rules, and local agencies can still ask for more. We see sloped yards and older houses on jobs here and in Hacienda Heights and La Habra, so we find out early whether an address is mapped and the engineer's part doesn't come as a surprise.
Questions about foundation installation in Whittier
Is a slab or a crawl space foundation better for my lot in Whittier?
It mostly comes down to how much your lot slopes and how damp it stays. A national cost guide describes a slab as good at keeping moisture out but not ideal on graded land, and a crawl space as a good fit for uneven ground but prone to moisture problems. I'll walk you through both with your lot in front of us.
What causes a new foundation to crack or move?
Soil that swells when it gets wet and shrinks when it dries is a common cause, and the county's design guidance says that pressure can do serious damage to a foundation. Where the soil does this, the county lists typical fixes such as a minimum depth for the footings, conditioning the soil's moisture, or digging it out and replacing it with soil that swells less. Fine surface cracks are normal in concrete, and I'd rather tell you that now than have you find out later.
How do I know if my foundation needs a plan check in LA County?
The county office tells you when you apply, along with the steps to get your plans approved. A plan check is when reviewers go over your plans against safety, building and environmental standards, and larger projects need drawings that show what's being built.
What license does a contractor need to pour a foundation in California?
The Contractors State License Board licenses concrete contractors, the trade that forms, pours, places and finishes concrete work. If your lot needs deep supports such as driven piles or drilled caissons, that work falls under a separate state license class for pile driving and foundation jacking contractors, so ask whoever does that part which license they hold.
How much does a new foundation cost in Whittier?
The cost is set mostly by the soil and the slope, then by the size and type of foundation. Deeper footings, replacing poor soil, digging into a hillside or working around an existing house all raise it, while a flat lot with firm, dry ground keeps it lower. The written estimate spells out which of those apply to your lot.
How long does foundation installation take?
Most of the wait usually comes before the pour, while the soil gets reviewed and any permit or plan check goes through. The pour itself needs dry, mild weather, and after that the concrete needs its curing time before framing goes on top, so I'll give you a schedule once I know what your office requires.
Related concrete work for foundation projects
Concrete footings
When you're adding a porch, a block wall or a carport rather than a whole house, footings alone may carry the load without a full foundation underneath.
Concrete parking lot building
If you own or manage business property, the lot around a new building needs a solid, well-drained base just like the foundation does, and we can pour both.
Cities we serve around Whittier
Classic Whittier Concrete is based in Whittier, CA, and works across the cities around it, from South Whittier to Pico Rivera. The 12 cities below each have their own page, and if you're nearby and don't see yours, just ask.
Get your foundation lot looked at
Pours get scheduled around the weather, so starting the soil review and paperwork early gives your foundation a better shot at a good pour window.