Concrete Contractor in Danville, CA - Driveways and Patios Built on a Solid Base
Alliance Walnut Creek Concrete Company builds concrete driveways, patios, retaining walls, pool decks and slab foundations for homes in Danville, CA. Our own crew digs out the base, plans where the water goes, then pours and finishes.
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Danville homes and the slopes behind them
Danville sits on the San Ramon Valley floor and climbs into the hills on both sides, so in one week we can be on a flat lot near downtown and on a steep backyard that backs onto open space and trails. You'll find older ranch houses with driveways that have been settling for decades, newer neighborhoods with big patios and pools, and plenty of families adding on. Alamo is right next door to the north, and the jobs look a lot alike on both sides of the line.
That spread is what makes the work here interesting to me. On the flat lots the problem is usually an old base giving out, and on the hillside lots it's where the water goes and what's holding the soil back, so I look hard at the ground before we talk about the finish.
Working in Danville: what we check before we pour
For addresses inside its boundary, the Town of Danville's Building Division issues building permits for most construction and repair projects, and it handles the plan review and inspections too. When your job needs one, that review comes before the pour, so it often sets the start date more than our crew does. Two things you can check on any contractor here: their state license with the Contractors State License Board, which says anyone in the home improvement business has to be licensed in the right trade before advertising or bidding unless the whole contract, labor and materials included, comes to less than $500, and their business license, which the Town lists through its Permit Center.
We figure out early whether your job touches the street or needs a sign-off, and when a permit is needed we handle the application and paperwork for you. The price moves with how much old concrete comes out, how deep we dig and how much base goes back in, the slope and drainage work, the thickness and steel, how close the truck can get on a tight hillside driveway and the finish you pick. The schedule turns on any permit review, the ground prep and curing, the days a new slab needs to harden before it takes weight, and your written estimate puts all of it down for your site. We do the same work just south in San Ramon, where the hillside yards raise a lot of the same questions.
What do Danville driveways and patios need most?
On Danville's hillside lots, the first thing I look at is where the water runs, because a patio or driveway that falls toward the house sends runoff straight at your foundation. We set the slope away from your walls, add drains where the yard calls for them and build retaining walls with drainage behind, so the water has somewhere to go besides under your slab.
On the flatter lots, the older driveways and patios we're called about usually cracked and sank because the subgrade, the soil the slab sits on, was raked level instead of dug out and packed. We dig down to firm ground, pack the base, set rebar, the steel that holds the slab together if it does crack, and cut control joints, shallow grooves that give the concrete a straight line to crack along instead of a random one.
- Call (925) 448-9528
- Mon–Sun: 8 AM–9 PM
- Walnut Creek, CA 94596
Concrete work we do in Danville
Concrete driveway building
Older Danville driveways tend to crack and sink where the base was only raked flat. We tear out, dig down, pack new base and pour with steel inside.
Concrete patio construction
Backyard patios here sometimes slope back toward the house and hold water after rain. We set the fall away from your walls before we pour.
Concrete retaining walls
Hillside lots here need walls that hold the soil and still let water out. We build drainage in behind them and check the permit rules first.
Concrete pool decks
Danville backyard pools mean decks that take splash and wet feet, so grip and drainage matter. We give them a textured top and slope them to shed water.
Slab foundation building
Additions and ADUs on Danville lots need a slab built to carry walls, not just foot traffic. Our slab foundation building starts with packed base and steel.
Concrete cutting
Widening a Danville driveway or running a drain line through an old slab starts with a cut. We saw straight, clean lines so new concrete meets old.
How it goes when you call us about a Danville job
Call, and I come out
Call or send the form with the job site address, and I come out myself to look at the slope, the old concrete and where the water runs. I ask a lot of questions, then put the work, the base and the finish in a written estimate so you can see what drives the cost.
Sort out paperwork and marking
Once you're ready, we take care of the paperwork and get underground lines marked or scanned before anyone digs. If the job needs a permit, the pour waits on the Building Division's review, so we book the crew around it.
Prep, pour and finish
Our own crew digs out, packs the base, pours and finishes, and I'm on site for the parts that matter most. Inside the Town, that work runs within its construction hours, 7:30 a.m. to 7 p.m. on weekdays and 9 a.m. to 7 p.m. on weekends and holidays.
Walk the finished job together
At the end I walk the job with you, point out the control joints and go over how to look after the new concrete. You'll know when it can take foot traffic and when it's ready for the car.
Get a written estimate for your Danville concrete job
Send the form with your Danville job site address and we'll reply within one business day, and I'm usually the one who calls you back. I set a time to look at the site in person, free and with no pressure or obligation, then put everything 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 Danville
Do I need a permit for a concrete driveway or patio in Danville?
Ask the Town's Building Division, because its permit list covers most construction and repair projects and names things like structural changes, additions, decks and pools, but not driveways or patios by name. Retaining walls are spelled out, and one needs a permit if it's taller than 4 feet from the bottom of the footing to the top of the wall, or if it holds back extra weight such as a slope or a driveway above it. We raise this at the estimate so it's settled before anything gets scheduled.
How do I check if my address is inside the Town of Danville's boundary?
Look it up at danvillepioneer.org or call the Town's permit desk at (925)314-3330 before anyone applies for anything. Addresses outside the boundary fall under the County of Contra Costa instead, so the answer tells you which office your job goes through.
Does the sewer district have to stamp my plans before a Danville permit?
For some projects, yes, and the Central Contra Costa Sanitary District stamps those plans before the Town application goes in. The Town lists work like expanding beyond the existing building footprint, adding an ADU, carport or deck, and adding, moving or removing fixtures on the public sewer. That comes up most for us on slab foundations under additions, so we check it before the paperwork starts.
How long does a building permit last in Danville?
Once it's issued, the Town gives you 365 days to finish the work, and inspections can be booked as long as all fees are paid. An approved permit that isn't issued within 180 days expires and the fees paid are lost, so we time the paperwork to the pour date.
How much does a new concrete driveway cost in Danville?
Your real number comes from the written estimate I put together after walking your site, because what's under and around the slab changes from one Danville lot to the next. A broom finish, the light brushed texture that gives shoes and tires grip, costs less than stamped or colored concrete. If the budget gets tight, I'd trim the finish before the base, because nobody sees the base on day one but it decides whether the slab settles and cracks.
How long before I can drive on a new concrete driveway in Danville?
You can usually walk on it after a few days, but the car has to wait noticeably longer, because concrete keeps curing and gaining strength well after it looks hard. We pour early in the day when we can, so the top doesn't dry too fast and turn weak and dusty, and I give you the dates for your slab at the final walk-through. Your total time without a driveway also includes tear-out, prep and any permit review.
Tell us about your Danville concrete job
Booking the site visit early leaves room for any permit review before the date you'd like the pour, so call (925) 448-9528 or send the form.
Request an estimateCall (925) 448-9528