Concrete patio construction in Walnut Creek CA - a solid place to sit outside
Bare dirt, an old cracked slab or a patio that tips at one corner? We build a new one with the base done right.
- Fully licensed and insured.
- Free in-person estimates.
- We reply within 1 business day.
What does it take to build a concrete patio in Walnut Creek?
Concrete patio construction in Walnut Creek means forming, pouring and finishing a new flat slab on your lot, the kind of job the trade calls flatwork, so you get somewhere solid to eat, sit and grill outside.
Most people who call me have bare dirt, worn-out pavers or an old slab that's cracked and tipping, and they want a spot where the table doesn't rock. The price moves mostly with the size, how much has to be torn out and hauled away, how easy it is to get concrete into the backyard, and the finish and color you pick. The schedule turns on the weather on pour day and on whether a permit, an engineer or footings for a future cover have to be lined up first. Your written estimate spells out each of those for your yard.
How do you know your patio needs replacing?
Cracks running across it
Wide cracks that keep growing, or edges sitting at different heights, usually mean the slab has moved because the base under it was never packed. Waiting usually means more broken pieces to haul out and edges you can trip on.
One side sinking
A patio that tips toward one corner or pulls away from the house usually sits on a base that's settling with the dirt. Chairs start to rock, and the low side tends to keep dropping.
Top flaking or dusty
A surface that sheds grit or peels off in patches was usually poured in the heat or finished too fast. Patching rarely lasts on a top that's weak all over, so once it spreads, replacing the slab is usually the honest answer.
How we handle concrete patio construction
I start by asking how you'll use the patio, then we mark it out, dig down to firm ground and haul the dirt away, because a base that's only raked level settles with the dirt and takes the slab with it. We pack a gravel base on the subgrade, the ground the slab sits on, set the forms and add rebar, steel bars that help hold the slab together if it cracks. After the pour we finish the top, often with a broom finish, a light texture that keeps it from getting slick when it's wet, and we cut control joints, shallow grooves that give the concrete a straight place to crack instead of across the middle. If you might add a cover or pergola someday, tell me now so we can plan its footings into the patio, because the posts that hold up a roof need footings of their own. We also go over color up front, since how the color goes in changes how chips and wear show later. When a budget gets tight, I'll trim the finish before I trim the base, because a fancy top can't save a slab that's sinking, and a bad base can't be fixed without tearing the patio out.
A patio often connects to other work. If you'd like it to look like stone, brick or tile, our stamped concrete services press a pattern and color into the slab while it's still wet. If you need a way to reach it from the driveway or side gate, we can pour a path along with it through our concrete sidewalk building work.
Broom-finished gray
This suits most backyards and keeps more of the budget on the base, which is where it counts. The light texture gives good footing around the table when the patio's wet.
Colored concrete
This suits a yard where plain gray feels flat next to the house. Color can run through the whole slab or sit in a harder top layer, and we'll go over which fits how you use the space.
Stamped pattern
This suits someone who wants the look of stone or brick without laying it piece by piece. It costs more than a broom finish and needs resealing as part of its regular care.
Ready for a future cover
This suits anyone thinking about a pergola or roof down the road. We build the footings for its posts into the patio plan, so nobody has to cut into new concrete later.
Get a written estimate for your new patio
Send the form and we'll get back to you within one business day to set a time. I come out, look at the yard and give you a free written estimate, with no obligation.
- Based in
- Walnut Creek, CA 94596
- Hours
- Mon–Fri: 7 AM–11 PM, Sat–Sun: 6 AM–10 PM
What happens after you call about a patio?
From your first call to the final walk-through, here's who does what, and where the city's weekend rule can shape your pour day.
Call or send a message
Call (925) 532-0140 or use the form and tell us a little about the yard. We get back to you to set a time for me to come out.
I walk the yard with you
I look at the site, ask how you'll use the patio and write out the estimate with each part listed, from tear-out and base to finish and color. You see where the money goes before you decide anything.
We line up pour day
If a permit, an engineer or a designer is part of the job, we get that lined up before we schedule. Walnut Creek requires an after-hours permit for construction on Saturdays and City Holidays, so we plan around that when we pick the day.
We build it and walk it
My crew and I do the work, and when it's done we walk the patio with you. We'll tell you how long to stay off it while it cures.
Why homeowners call Walnut Creek Concrete Works for patios
The owner at every job
I come out to look at every patio myself, and my crew does the work with me on site. The person who told you how the base would go in is the one watching it happen.
Licensed and insured for this work
We're fully licensed and insured. California's Contractors State License Board licenses concrete contractors, so it's fair to ask anyone you're comparing for theirs.
Pour day picked for the weather
Walnut Creek summers run hot and dry, and a windy, sunny day dries fresh concrete faster than a calm, humid one at the same temperature, which can leave a weak, dusty top. We watch the wind and sun, not just the heat, when we pick the day and the start time.
Straight answers since 2023
I started this business in Walnut Creek in 2023 after learning the trade on crews around the East Bay, and I still answer my own phone. I'd rather tell you a patio isn't worth doing your way than sell you one that won't hold up.
On a patio, what counts most is what's under it and where the joints go. When you're ready to talk about yours, send us a message or call (925) 532-0140.
Patio work and the rules around it in Walnut Creek
Around a patio job, the permit question in Walnut Creek usually comes up at the front of the house, because the city requires an Encroachment Permit to replace the front sidewalk or the driveway approach. If your plan touches either one, or anything else that needs a permit, I'll tell you at the estimate, and we handle the application with the city or county office that covers your address. The city's stormwater rules cover single family home projects that create or replace 10,000 square feet or more, which is far bigger than most backyard patios.
Many yards we see here already have an old slab or worn pavers to break out, and some sit behind a narrow side yard where getting concrete to the back takes a pump or a lot of wheelbarrow trips, which shows up in the estimate. We meet the same backyards on jobs in Lafayette and Pleasant Hill, and we plan the tear-out and access the same way.
Questions about concrete patios in Walnut Creek
How much does a concrete patio cost in Walnut Creek?
A concrete patio in the Bay Area usually costs about $8 to $16 per square foot, materials and labor included, based on figures from San Francisco. Where yours lands depends on the size, the tear-out, how easy the backyard is to reach and the finish you choose. Our written estimate lays out each part so you can see what's moving the number.
Which colored concrete finish holds up better on a patio?
A color hardener gives a harder, richer top layer that suits a patio with a lot of foot traffic, but a deep chip shows the gray underneath. Integral color runs all the way through the slab, so chips match the surface, though its tones are softer. We'll talk through both at the estimate and pick based on how your patio gets used.
Who is allowed to build a concrete patio in California?
In California, a contractor needs a license from the state board when the job needs a building permit, uses any extra workers, or costs $1,000 or more in labor and materials. The board's concrete class covers forming, pouring and finishing flat concrete like a patio, so ask any contractor you're comparing for their license.
How do I keep a new concrete patio from cracking?
Nobody can promise concrete won't crack, but you can control where it cracks and how much the slab moves. That comes from the packed base and the control joints described above, and from staying off the slab while it cures. Ask anyone you're comparing how deep they dig and where they'll cut the joints.
How often does a stamped concrete patio need sealing?
One field guide advises resealing a patterned concrete finish every 2 to 3 years. Plan on it as regular care, the way you'd repaint trim, because the sealer is what takes the wear instead of the color and pattern.
How long after the pour can I use my new concrete patio?
You can usually walk on it well before you can set heavy furniture or a grill on it, and I'll give you the timing for your patio on pour day because the weather changes it. That wait is curing, the time concrete needs to gain strength, and rushing it is how a good slab ends up weak.
Related concrete work for your patio
Stamped concrete services
Want the look of slate, brick or stone without laying pieces by hand? A pattern pressed into fresh concrete gives a patio texture and color in one pour.
Concrete sidewalk building
A new patio is only as handy as the way you reach it, so a poured walk from the driveway or side gate keeps you off wet grass.
Get your patio plan priced on site
Call (925) 532-0140 or send the form with the rough size, the color you're leaning toward and any cover you might add, so the visit starts from your plan.