Stamped concrete services in Concord CA - a patterned slab that holds its color
Plain gray patio, or old stamped work gone faded and slick? We pour, color, stamp and seal a slab built to keep its look.

- Licensed and insured.
- Free in-person estimates.
- Expect a reply within 1 business day.
What does stamped concrete involve for a Concord patio or walk?
Stamped concrete is a poured slab that we color, press with rubber stamp mats while it's still soft and then seal, so your patio, walk or driveway in Concord ends up looking like stone, brick, wood plank or tile without any loose pieces to shift or weed around.
Most people who call me have a plain gray slab they're tired of, or an old stamped one that's faded, and they want to know what it'll take to get it right. The price moves with the size of the area, how busy the pattern is, which color method and sealer you pick, and whether we're tearing out an old slab and rebuilding the ground under it first. The schedule turns on how much prep the site needs, the weather on pour day and whether any part of the job reaches the street and needs the city's sign-off. I'll go over all of that at your place, and the estimate I leave puts your own figure in writing.
How do you know your slab is ready for stamped work?
Color gone chalky or patchy
If an existing stamped slab looks washed out, dusty or blotchy, the sealer has usually worn through and the surface is taking water and wear head-on. A fresh seal can often bring it back, but the longer it sits bare, the more the color fades and stains set in for good.
Slick after the sprinklers run
A stamped surface that turns slippery when it's wet usually has a sealer with nothing in it for grip. It's worth fixing at the next coat rather than waiting for someone to go down on the steps by the pool.
Cracks and sunken sections
A slab that's cracked through, tipped or sinking usually sits on a base that settled, and stamping a new top over it won't change that. Waiting lets more water work under the edges, so the fix grows from a new slab into digging out and packing the ground again.
How we do stamped concrete, start to finish
Before anything gets poured, I sit down with you and settle the pattern, the color method and the sealer together, because those three decide how the slab looks years from now, not just the day we finish. Then we dig out and pack the subgrade, which is the ground the slab sits on, set the forms so water runs away from your house, and lay rebar, the steel that holds the slab together if it cracks. We pour early in the day, since midday heat can leave a weak, dusty top, then color it, press the stamp mats while it's soft, and cut control joints, shallow cuts that give the slab a planned place to crack, along a line in the pattern so you don't notice them. After curing, the wait while the concrete hardens enough to take use, we seal it, and anywhere it'll get wet we talk about grip before the last coat goes on. If the budget gets tight, I'd rather you pick a simpler pattern than cut corners on the base, because the base is buried on day one and it's what decides whether the pretty part stays flat.
Stamping works well beyond the patio. A front walk is a good place to carry the look, and our concrete sidewalk building work can run the same pattern from the driveway to the door. Inside the garage I usually steer people toward a plain slab, because garage floor concrete has to stand up to tires, oil and dropped tools more than it needs to look like cobblestone.
Stone and slate patterns
These suit backyard patios and pool surrounds where you want an irregular, natural look without the cost and upkeep of laying real stone. The texture also hides small stains and wear better than a smooth pattern does.
Brick, wood plank and tile patterns
These suit front walks, entries and driveways where straight lines match the house and lead the eye to the door. Their grout lines give us a natural place to tuck the control joints so the cuts disappear into the pattern.
Get a written estimate for your stamped concrete
We'll reply within one business day. I'll come out, look at the area with you and leave a free estimate in writing, and there's no obligation to go ahead.
(925) 536-0945- Based in
- Concord, CA 94519
- Hours
- Mon–Fri: 6 AM–11 PM, Sat–Sun: 8 AM–9 PM
What happens after you call about stamped concrete in Concord?
Here's how a stamped job runs from your first call to the final walk-through, and who you'll be dealing with at each step.
Call or send the form
Tell us roughly how big the area is, what it's used for and the look you're after. We get back to you to set a time for me to come out.
Walk the site together
I look at the ground, where the water runs and what's there now, then explain the pattern, color and sealer choices and what each one costs. You get the estimate in writing, so you can see what you're paying for before you decide.
We sort out paperwork, then pour
Once you're set, we take care of the city or county side for your address. Then we do the work, and I'm on site with the crew from the dig-out through the sealing.
Walk the finished slab
When it's sealed, we walk it with you and go over how to care for it. I'll also tell you when it'll likely want its next coat of sealer.
Why Concord homeowners call King Concord Concrete Works for stamped work
Choices explained before you sign
I come out myself, look at the ground with you and walk through patterns, color methods and sealers until you know what each means over the years. Most of our calls come from homeowners in Concord and the cities around it, so you're talking to someone who knows the jobs here.
The owner works your job
I started this business in 2020 after learning the trade on other people's crews, and I still work on site with a small crew of form setters and finishers. The person who priced your base is the one watching it get packed.
Licensed and insured, every job
We're licensed and insured, and it's fair to ask any contractor for both before they start digging. Satisfaction guaranteed on every job.
If you've got a slab in mind, send us the details with its rough size, what it's for and the look you want, or call (925) 536-0945.
Stamped driveways, walks and patios in Concord
If a stamped driveway or walk reaches the sidewalk or the street, that part sits in the public right-of-way, and the City of Concord requires an Encroachment Permit for it, applied for through the city's online permit portal, with the city's Engineering Division setting the conditions and fees. A driveway that stays inside your property line has no permit or fee from that division, but that's only one office's piece, so we check with the city or county for your address and handle the paperwork when a permit's needed. If you want to look before I come out, the city's Project Pal tool shows which permits a project calls for and estimates the fees.
Around Concord we see a lot of plain backyard slabs that people want to dress up, and front walks that stay damp for hours after the sprinklers run, which is where grip in the sealer earns its keep. We see the same on jobs in Walnut Creek and Pleasant Hill, so I bring it up at the estimate rather than after the first slip.
Questions about stamped concrete in Concord
How much does stamped concrete cost in California?
Stamped concrete in California usually costs about $15 to $30 per square foot, and that's a statewide figure for the finished stamped slab, not our price. Where your job lands depends on the size, the pattern, the color method and how much tear-out and base work it needs. The written estimate I leave after the site visit gives you the figure for your own slab.
Does stamped concrete need to be sealed, and how often?
Yes. One trade guide calls sealing not optional, because the sealer locks in the color and shields the surface from water, salt and wear, and an unsealed stamped slab fades, dusts and stains. The same guide advises resealing every 2 to 3 years, so it's worth budgeting for that upkeep from the start.
Is stamped concrete slippery when wet?
It can be, especially when the sealer is fresh. A traction additive mixed into the final coat of sealer gives it grip. Ask for it anywhere the slab will get wet, like a pool deck, a walk by the sprinklers or the spot under a downspout.
What is the best way to color stamped concrete so chips don't show?
Integral color holds up best against chips, because the color runs through the whole slab and a scratch still shows color underneath. Color hardener colors only the top, so it saves on cost and gives brighter shades, but gray can show through a deep mark. For a subtle shade on a slab that'll take knocks I'd pick integral, and for a bold color somewhere that sees light use, hardener makes sense.
What causes stamped concrete to crack?
Stamped concrete cracks for the same reasons any slab does, mostly ground that moves and concrete that shrinks as it dries. That's why it still needs compacted ground underneath, the right thickness for its use and steel sized to the job, along with the control joints we hide in the pattern. The goal is that any crack lands where it was planned and stays tight.
Does a stamped concrete contractor need a license in California?
Usually, yes. California requires a license from the Contractors State License Board when a project needs a building permit, uses any additional workers or costs $1,000 or more in labor and materials. Ask for the license before anyone starts work.
Related services for walks and garage floors
Concrete sidewalk building
If your new stamped patio needs a path to the gate or the driveway, a matching walk keeps the look consistent and the footing even underfoot.
Garage floor concrete
When the slab inside your garage is cracked, stained or sinking, a fresh pour gives you a flat, hard-wearing floor for cars, tools and storage.
Service areas around Concord for stamped concrete
King Concord Concrete Works is based in Concord, California, and 12 cities have their own page here, including Clayton and Martinez. Those aren't the only places we work, so if your city isn't on the list, call and ask.
Concord, CA
Plan your stamped slab with us
Settling the pattern, color and sealer before the estimate means the price you get covers the look you actually want.
