Concrete contractor in San Ramon - slabs and walls built for shifting soil
Alliance Walnut Creek Concrete Company is a concrete contractor working in San Ramon, CA. We build driveways, patios, retaining walls, steps and foundations for San Ramon homes, from older valley-floor lots to sloped hillside yards.
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San Ramon runs from valley floor to graded hills
San Ramon is mostly single-family neighborhoods, with older streets on the valley floor along 680 and newer subdivisions climbing the hills to the east, such as Dougherty Valley. Just to the north, Danville has a lot of the same houses and lots, and the calls we get from both cities sound alike: a cracked driveway, a backyard that slopes the wrong way, a patio that's sunk at one end.
On the older lots we're usually breaking out tired slabs before we pour anything new. Up in the hillside neighborhoods, the lots were cut and filled when they were built, so before we plan a slab or a wall I want to know where the slope was cut, where the fill went and where the water heads.
Local knowledge for concrete work in San Ramon
If your San Ramon job needs a building permit, it comes from the city's Building & Safety office, and if we're pouring the foundation for an addition, the addition may need the city's planning approval before building permits are issued, so that review comes first on the calendar. When a permit is needed, we can handle the application and paperwork for you. Before you hire anyone, check the contractor's license with the Contractors State License Board, which licenses whoever builds or alters structures in California. We're licensed and insured. The price here moves with how much old concrete comes out, how much digging and base the ground needs, the slope, how far the truck sits from the pour and the finish you pick. The schedule turns on any permit review and the weather, and your written estimate lays out your own figures.
We're a concrete contractor in Walnut Creek taking jobs in the cities around it, and San Ramon is a short drive down 680, so I come out to look at the job myself and our own crew does the prep, the pour and the finish. A lot of homes here sit on curving streets and courts with the backyard well above or below the street, so part of my visit is working out where the concrete truck parks and whether we'll need to pump the concrete back to the yard.
What do San Ramon driveways and patios need most?
They need a base that can handle moving ground. The city's building code calls out expansive soil across San Ramon, which is soil that swells when it gets wet in winter and shrinks as it dries in summer, and that heave and drop is what cracks driveways and tips patios. That's a citywide finding, not a test of your lot, so I look at your ground first, then we dig out the soft dirt, pack a solid subgrade, the layer the slab sits on, and set rebar, steel bars that hold the slab together if it does crack.
The other thing we see here is water. On sloped and graded lots, rain runs off the hill and pools against the house, and a patio poured to fall toward the house makes it worse, so we check where the water goes before we set a single form and slope the new slab away.
- Call (925) 448-9528
- Mon–Sun: 8 AM–9 PM
- Walnut Creek, CA 94596
Concrete work we do in San Ramon
Foundation installation
Additions on graded hillside lots need footings planned around the slope and fill. Our foundation installation starts with a dug-out, packed base and rebar set to plan.
Concrete retaining walls
Backyards cut into a hillside need walls that hold back soil and let water out. We build concrete retaining walls with drainage behind them, sized to the slope.
Concrete driveway building
Older driveways on the valley floor are often cracked and heaved. We tear them out, rebuild the base and pour a broom-finished slab, textured for grip.
Concrete patio construction
Plenty of San Ramon patios have sunk at one end or tilt toward the house. We pour new patios sloped to send rain away from your foundation.
Concrete cutting
On older lots, adding a walkway, drain line or wider driveway means cutting into an old slab. We saw-cut clean lines so the concrete you keep stays sound.
Concrete steps construction
Hillside homes here often have long runs of steps from the street to the door. We form and pour concrete steps with even risers and a non-slip finish.
How it goes when you call us about a San Ramon job
Call and set a visit
Call or send the form, and we'll set a time for me to come out to your San Ramon home. It helps if you can be there, because I'll have plenty of questions.
Walk the site together
I look at the ground, the slope, where the water runs and how the truck gets in, and ask what you have in mind. Then I put it all in a written estimate, so you see what's included and what moves the cost before you decide anything.
Handle paperwork, prep and pour
Once you're ready, we sort out the paperwork, any permit review with the city and any marking or scanning, then our crew digs out, packs the base, pours and finishes. In summer we start pours early, because midday heat dries the top too fast and leaves it weak and dusty.
Walk the finished job
At the end I walk the job with you and go over how to look after it. That includes when you can walk on it and when you can drive on it, since concrete needs time to cure, or harden, before it takes weight.
Get a written estimate for your San Ramon concrete job
Send the form and we'll reply within one business day, and I'm usually the one who calls you back. The estimate is free and on site, with no pressure and no obligation, and I'll walk your San Ramon job, ask what you have in mind and put it all in writing.
- Licensed and insured.
- Phone
- (925) 448-9528
- Location
- Walnut Creek, CA 94596
- Hours
- Mon–Sun: 8 AM–9 PM
Questions about concrete work in San Ramon
How do I know if my concrete project needs a permit in San Ramon?
Start with the city's list of home improvements that need no permit, and if your job isn't clearly on it, ask the city before you plan around a date. Being on that list doesn't excuse work that breaks the code or other local rules. I check your job against it during the estimate, so you're not guessing.
Does a concrete retaining wall need a permit in San Ramon?
A retaining wall 4 feet tall or less needs no permit in San Ramon, measured from the bottom of its foundation to the top of the wall. That exemption ends if the wall carries a surcharge, extra weight pressing on it such as the soil above a cut into a hillside, or if it's in an engineered grading development like Dougherty Valley. A lot of backyard walls here are exactly that kind of wall, so I check the slope and the neighborhood before we price it.
Do I need a permit for a shed on a new concrete pad in San Ramon?
The shed itself needs a city building permit if it's over 120 square feet, and none at 120 square feet or less as long as no electrical or plumbing work is planned. The pad under it is a separate question, so we confirm it with the city before we pour.
When does a concrete contractor need a state license in California?
A contractor needs a state license when the project needs a building permit, uses any additional workers, or costs $1,000 or more in labor and materials together. The board lists a job as possibly exempt only when there's no permit, no employee labor and a combined value under $1,000, so a job with a crew on it doesn't fit that exemption.
How much does a new concrete driveway cost in San Ramon?
Your price comes from your site, so I give you a written figure after I've walked it rather than a number over the phone. Beyond size, what pushes it up here is extra base work and tricky access, and stamped or colored finishes add more on top. If the budget's tight, I'd rather you go with a plain broom finish than cut back on the base, because nobody sees the base on day one but it decides how the slab holds up.
What is the best way to keep a new concrete slab from cracking in San Ramon?
The best way is a well-packed base, steel in the slab and control joints cut on time, because on soil that swells and shrinks, concrete is going to try to crack somewhere. Control joints are grooves we cut so that when the slab cracks, it cracks in a straight line at the joint instead of across the middle, and they only work if they're cut before the concrete starts cracking on its own. Nobody can promise a slab won't crack, but these steps decide where it cracks and help keep the pieces level.
Tell us about your San Ramon project
Call (925) 448-9528 or use the form, and I'll figure out early whether your job touches the street or needs a city sign-off, so you know the steps before you set a date.
Request an estimateCall (925) 448-9528