Concrete contractor in Orinda, CA - driveways and walls built for hillside lots
Alliance Walnut Creek Concrete Company is a concrete contractor building driveways, patios, steps and retaining walls in Orinda, CA. We work out the base, drainage and reinforcement for sloped lots before anything gets poured.
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Orinda's hillside lots shape every pour
Most of the Orinda homes we're called to sit on slopes off winding roads. Their driveways climb or drop from the street, and their backyards are stepped into terraces. A lot of the neighborhoods are older, so much of what we see is original concrete. Those driveways and walks have cracked at random or started to tip as the base under them gave way. Orinda is mostly houses around a small downtown, which means our calls here come from homeowners far more than shops. The lots ask the same questions they do next door in Lafayette.
That slope is what drives the job here. Water runs at a hillside slab from everything above it, and the truck can't always back up to the forms. So I spend more of the visit working out where the water goes and how we'll get concrete to the spot than talking about the finish.
What it takes to get concrete work approved in Orinda
Orinda contracts its building services out, so when a concrete job needs a building permit, Contra Costa County issues it and does the inspections. Before that, the city's Planning Department usually has to approve the project for zoning and for its plan for where the debris goes, because the county only processes a permit once every agency involved has signed off. That handoff is usually what decides how soon we can start, and you can see the steps on the city's building permit page. The county's examples of permit work lean toward roofs, water heaters and remodels, so for a slab or a wall I check with the county instead of guessing. Whoever you hire, ask to see their California contractor license and their Orinda business registration.
I figure out early whether your job touches the street or needs a city or county sign-off, and when it does, we handle the application and paperwork so you're not going back and forth between offices. Price here mostly follows the ground. How steep the spot is, how close the truck can get, how much old concrete comes out and how much base we dig out and pack all move it more than the finish does, and your written estimate lays it all out. The schedule turns on any approvals first and then on curing, the wait while fresh concrete gains strength before you use it. We do the same hillside work over in Danville and around home in Walnut Creek, so steep driveways and tight access are ordinary days for us.
What do driveways and yards in Orinda need most?
A base that can handle water coming downhill. On a sloped lot, runoff comes at a slab from everything above it, and a base that was just raked level instead of dug out and packed settles with the dirt until the slab cracks and tips. We dig down to a firm subgrade, the ground the slab sits on. We pack the base, set the fall so water runs away from the house, and cut control joints as soon as the concrete will take the saw. Those joints are planned grooves that give the slab a straight line to crack along instead of a random one. If the budget gets tight, I'll cut the decorative finish before I cut the base, because nobody sees the base on day one and it's what decides whether your new slab cracks like the old one.
Older neighborhoods here were usually built with corrugated metal storm drain pipe, which rusts out over time and is expensive to repair. So before we form anything, I look at where your downspouts and paving send water, because a new slab can push a lot more runoff to one spot and you want it going somewhere that can take it.
- Call (925) 448-9528
- Mon–Sun: 8 AM–9 PM
- Walnut Creek, CA 94596
What we build on Orinda properties
Concrete driveway building
Steep driveways here take cars and runoff from everything above them. We dig out and pack the base, then pitch the surface so water runs off it.
Concrete retaining walls
Terraced backyards here lean on walls that have to hold back soil and water. We build them with drainage behind and steel inside so they stay put.
Concrete steps construction
Houses set above the street often need a run of steps to the front door. We build concrete steps with even risers and a broom finish for grip.
Concrete patio construction
Flat ground is scarce on hillside lots, so a patio means carving out a level spot. We pack the base and slope it away from the house.
Concrete cutting
Older houses here often have tired slabs that need a section opened for a drain or repair. We saw-cut clean edges so the rest stays sound.
Concrete footings
Decks and additions on sloped lots need footings dug to firm ground, not just a hole. We size and set them so the posts above don't settle.
What happens when you call us about an Orinda job
Call or send the form
Call (925) 448-9528 or fill out the form, and I'm usually the one who calls you back to set up a visit. Tell me what's bothering you about the old slab or what you want built, so I show up with the right questions.
I come out and look
I come out myself, look at the slope, the old concrete and where your water runs, and ask a lot of questions about what you have in mind. You get a written estimate that spells out the base, the steel and the finish, so you can see where the money goes before you decide.
We prep, pour and finish
Once you're ready, we sort out the paperwork and get underground lines marked or scanned, then our own crew digs out, packs the base, pours and finishes, with me on site for the parts that matter most. If your job needs approvals, they set the start date, and you don't need to be home on pour day.
We walk the job together
At the end I walk the job with you, show you the control joints and go over what curing asks of you before you walk or drive on it. You'll also leave knowing how to keep it in good shape, like keeping downspouts aimed away from it.
Get a written concrete estimate for your Orinda property
Send the form and you'll hear back within one business day, usually from me, to set a time to see your Orinda site. The estimate is free and done on site, I put everything in writing, and there's no pressure and no obligation.
- Licensed and insured.
- Phone
- (925) 448-9528
- Location
- Walnut Creek, CA 94596
- Hours
- Mon–Sun: 8 AM–9 PM
Questions about concrete work in Orinda
How much does a concrete driveway cost in Orinda?
An Orinda driveway's price comes down mostly to the slope, the access and how much old concrete has to come out first, and I'll give you a written number after I walk it. A steep run takes more base work and forming and sometimes a pump to get concrete up the hill, and a new apron at the street can add a city permit. Choosing a plain broom finish over stamping or color is the easiest way to bring the cost down without touching the base.
Do I need a permit for a retaining wall in Orinda?
Yes, a retaining wall taller than three feet needs a building permit. Height is also capped at four feet within ten feet of any property line, or inside the required yard setback if that reaches farther, and at eight feet elsewhere, as the city's FAQ page explains. On a terraced yard that can mean two shorter walls instead of one tall one, and I'll lay that out before we price it.
Does a concrete contractor need a license to work in Orinda?
Yes, a California contractor license is required when a job needs a building permit, uses any additional workers or totals $1,000 or more in labor and materials, which covers nearly any driveway or patio. Every business working in Orinda also has to get an Orinda business registration certificate before starting, unless it takes in less than $10,000.00 a year from work in the city. We're licensed and insured, and it's fair to ask any contractor for both before you sign.
Do I need a city permit to replace my driveway apron in Orinda?
You need an Encroachment Permit from the city's Public Works & Engineering if any of the work reaches into the public right-of-way, the street and the public strip beside it. The apron where a driveway meets the road often reaches into it, so I check that line at the estimate and handle the application when it's needed.
How do I deal with the old concrete when replacing a slab in Orinda?
Some projects here have to send at least 65% of their construction and demolition debris to an approved recycling facility. That covers residential additions or alterations that affect 1,000 square feet, are valued at $50,000 or more, or add conditioned space, plus demolitions that need a demolition permit, and those projects get a hold on their permit until the waste plan is met. We haul torn-out concrete to a recycler and keep the tickets in case your project needs them.
How long does a new concrete driveway in Orinda take before I can park on it?
You'll be walking on it well before you can drive on it, because concrete keeps gaining strength long after it looks hard, and I'll give you the dates for your slab at the walkthrough. If the old driveway comes out first, plan on parking on the street from tear-out until it's ready, so we'll work out the timing with you before we start.
Book your Orinda concrete estimate today
Call (925) 448-9528 or use the form before you settle on a design, so I can check the slope, the drainage and any street work while changes are still easy, and every job is backed by our satisfaction guarantee.
Request an estimateCall (925) 448-9528