Foundation block wall installation in Pittsburg CA - a wall that holds back the soil
Planning a new foundation or a wall that has to hold back soil? We build block walls with the steel and grout the load calls for.
- Licensed and insured.
- Free on-site estimates.
- We reply within 1 business day.
What does it take to build a block foundation wall in Pittsburg?
Foundation block wall installation in Pittsburg means building a concrete block wall on a footing so it holds back the soil packed against it and carries your house. In a reinforced wall, grout fills the cells around steel bars so the blocks and the steel work together against that load.
Most people call us about this when they're adding on, building into a slope or replacing an old wall that's given up, and if your foundation is cracked but still doing its job, foundation repair may be the better place to start. The price moves with the wall's length and height, how much soil it holds back, whether steel goes in and how many cells get grouted, any waterproofing, and how easy it is to dig and get block to the spot. The schedule turns on whether the city wants a permit and on when the wall is ready to be backfilled, which I'll explain below. I'll walk your job with you, answer your questions and write it up in plain terms, so you see your own figure before anything starts.
How do you know you need a new foundation block wall?
Old wall leaning inward
If a wall below your house leans or bows in toward the room, the soil behind it has been pushing harder than the wall was built to take, often with water trapped back there. Once a wall moves that far, waiting usually means more wall to tear out and a bigger job when it finally gets replaced.
Water coming through block
Damp patches, white crust or puddles along a basement or crawlspace wall usually mean water is sitting against the outside with nowhere to go. If that wall is being replaced, now is the time to plan drainage and waterproofing, because adding them later means digging it all up again.
Building into a slope
If your addition or new house cuts into a hillside, part of the foundation will have soil packed against one side instead of just resting on the ground. That wall has to be built to hold the soil back, and a design mistake is much harder to fix once the house sits on it.
How we build a foundation block wall
On a new foundation wall, we dig out, pour the footing, lay the block course by course, set steel where the design calls for it and grout the cells. We'll go over with you whether your wall needs steel and how much of it gets grouted, because those two choices decide how the wall handles the soil and a good share of what it costs. Then comes the part people don't expect, which is the wait, because we hold off on backfilling until the wall is braced or the floor above is in, so the wall isn't loaded before it's ready. A block foundation wall is usually designed to be held at the top, and the block industry's guidance warns that pushing soil against it before then can crack it or even bring it down.
A foundation wall changes the ground around the house, so the work next to it often follows. When the dig tears up the path to the side door, we can lay a new walkway once the backfill is in, and when the new wall frames a patio, we can build outdoor kitchen masonry in matching block or stone.
Partly grouted wall
Grout goes only into the hollow cells that hold steel, and the rest stay open. It usually suits walls where the bars are spaced farther apart and the soil load doesn't call for every core to be filled.
Solidly grouted wall
Every core in the wall gets filled with grout, top to bottom. The block industry's grouting guidance notes that when bars sit close together, filling every core can be faster and cheaper than picking out cells, so it's worth asking which one fits your wall.
Get a written estimate for your foundation wall
Send the form and we'll reply within one business day to set a time. I'll come out, look at the wall with you and write up a free on-site estimate in plain terms, with no obligation.
(925) 318-8090- Based in
- Pittsburg, CA 94565
- Hours
- Mon–Fri: 7 AM–10 PM, Sat–Sun: 6 AM–11 PM
What happens when you call about a foundation wall in Pittsburg?
Here's how a foundation wall job goes with us, from your first call to the walk-through.
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Call or send a message
Call (925) 318-8090 or use the form, and we'll set a time for me to come see the site. We answer seven days a week, so evenings and weekends work too.
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I walk the job with you
I look at the slope, the access and where the wall goes, answer your questions and write the estimate in plain terms. It spells out the wall's size, whether steel goes in, how much gets grouted and whether waterproofing is in the plan.
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We handle permits and build
If the job needs a permit, we take care of the paperwork, and Pittsburg's Building Division offers next-day inspections, which helps keep the job moving. We build the wall, then wait to backfill until it's braced or the floor is on.
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Walk the finished wall together
Once the soil is back and the site is cleaned up, we walk the finished wall with you. You see the work before we pack up, and I answer anything that's still on your mind.
Why Pittsburg homeowners call A&K Pittsburg Concrete and Masonry for foundation walls
Before we lay a single block, I want you to understand your wall and what we're going to do to it. Ask for your estimate or call (925) 318-8090, and I'll come take a look.
I look at every wall myself
I come out to look at every job myself, and the work is done by me and our crew. The person who looked at your slope and talked through the steel with you is the same one on site when the block goes up.
In business since 2017
We've been at this for 9 years, and most of our calls are about worn joints, tired chimneys and walls people want built right. Seeing how walls hold up over time is why I build each one to keep doing its job long after we've packed up.
Licensed and insured on every job
We're licensed and insured. California's contractor license board has a license classification that covers laying masonry for load-bearing walls, so it's fair to ask any contractor you're weighing what their license covers.
Foundation walls and the work around them in Pittsburg
In Pittsburg, the city's engineering construction permit list names grading, concrete work, new structures and right of way work, and it doesn't name block walls, so whether your foundation wall needs a permit is the city's call. The city's Building Division handles plan review, permit issuance and inspections, and we check with them before we start. When a job needs a permit, we pull it and handle the paperwork. If the work falls under an engineering or encroachment permit, the city also requires the contractor to hold a City of Pittsburg business license, so that's a fair question for any crew you're thinking of hiring.
California also maps zones where the ground can fail in an earthquake, through fault rupture, slides or liquefaction, where soil briefly acts like quicksand, and in those zones geologic and engineering studies can find and reduce that risk before construction begins. We're based in Pittsburg and work here and in the cities around it, and the same questions about slopes, drainage and what's behind the wall come up on jobs in Antioch and Concord.
Questions about foundation block walls in Pittsburg
How much does a reinforced block foundation cost in the San Francisco area?
A cinder block foundation reinforced with steel rebar in the San Francisco area usually costs about $27,500 to $45,000 per job. That's the going rate for the area, not our price, and yours moves with the wall's length and height, the soil load, the steel and grout, and any waterproofing. Your written estimate gives you our figure, and satisfaction guaranteed on every job is the promise behind it.
Does my block foundation wall need steel bars?
Not every block foundation wall needs steel bars, but walls holding back heavy soil loads may need them, according to the block industry's design guidance. How much soil sits against your wall is a big part of that call, and it shapes the design you pay for, so it's one of the first things I look at on your site.
What is the best way to backfill a block foundation wall?
Industry guidance says the best backfill is gravel-like material that drains freely, with no expansive soil that swells when it gets wet, placed and compacted in several layers. Heavy equipment should stay back from the wall while it goes in, and none of it starts until the wall is braced or the floor is on, as covered above.
Who do I ask about a permit for a foundation wall in Pittsburg CA?
Ask the city's Building Division, which issues permits and handles plan review and inspections. Once a permit is in hand, the city's engineering permit page tells permit holders to call USA at 1-800-227-2600 at least two working days before digging, so buried utilities get marked.
Does a new block foundation wall need waterproofing?
It often does. One builders' field guide calls for waterproofing products when the soil drains slowly, the wall sits below the water table, drainage can't be counted on, or the room inside is living space. Tell me at the estimate how you'll use that room, because it changes what goes on the outside of the wall.
How do I know the ground is solid enough for a foundation wall?
The footing, the concrete base the wall sits on, should rest on firm soil that's never been dug up. Where the soil is weak or soft, it's removed and replaced with compacted soil, gravel or concrete, and that's something I can only judge once the trench is open.
Work that often follows a new foundation wall
When the new wall frames a patio, an outdoor kitchen in block or stone gives you a place to cook that matches the house.
Digging along the house usually tears up the old path, so a new walkway on compacted ground gets you back to the door on firm footing.
Service areas for foundation block walls
A&K Pittsburg Concrete and Masonry is based in Pittsburg, California, and builds foundation walls in the cities around it, including Oakley and Bay Point. The 12 cities below have their own pages here, but they aren't the only places we work, so call if yours isn't listed.
Get your foundation wall priced on site
If you have your address, the wall's rough length and whether the room inside it will be lived in, the first visit gets straight to the design questions that matter.
Pittsburg, CA