Concrete Patio Construction in Redmond WA - water runs away from your house
Puddles by the back door or a cracked, sinking slab? We build a new patio on packed ground, sloped so rain runs off.
- Licensed and insured.
- Free in-person estimates.
- Expect a reply within 1 business day.
What does it take to build a concrete patio in Redmond?
Concrete patio construction in Redmond means digging out the yard, packing a firm base and pouring an outdoor slab that slopes rain away from your house, so any crack follows a groove we cut for it.
Most people call when the old patio has sunk, cracked across the middle or holds water by the back door, or when there's only a patch of mud where they want a table. The price mostly moves with the size of the slab, how much soft dirt has to come out before we pack a base, how hard it is to get concrete to your back yard and the finish you pick. The schedule turns on the weather and on curing, the wait while the concrete hardens before you can use it. At the estimate I walk the yard with you, and you get a written quote with each part of the job, base work included, on its own line.
How do you know your patio needs replacing?
Water pooling by the house
You see puddles sitting against the house after rain, or a dark stain where water runs back toward the wall. That usually means the slab was poured flat or has settled toward the house, and every wet month it keeps sending water at your foundation and growing moss.
A crack across the middle
A crack wanders across the slab nowhere near a groove. Usually the joints were skipped or cut late, or the ground moved underneath, and water gets in each winter and keeps opening it up.
A corner that's sinking
One edge or corner sits lower than the rest, and somebody has already caught a toe on it. That's usually a soft spot or loose fill underneath, and it tends to keep dropping until the whole piece has to come out.
How we build a concrete patio
A patio has to move water away from the house, so we set the slope and the joints before we talk about the finish, because that gives cracks a straight line to follow instead of a path across the middle. We start by digging out sod, roots and soft dirt down to firm subgrade, the ground the slab actually sits on, then bring in base rock and pack it in layers so it doesn't settle with the dirt. We set forms with the fall running away from your house, add rebar, steel that holds the slab together if it does crack, where the slab calls for it, and pour in the cooler part of the day so the top doesn't come out weak and dusty. A broom finish, a light texture dragged across the wet surface, gives you grip in the rain, and we cut control joints, shallow grooves where the slab is meant to crack, as soon as it'll take the saw. Then it cures and we clean up. If the budget's tight, I'll tell you to go plainer on the finish before you cut the base, because nobody sees the base on day one and everybody sees it once the cracks show up.
Plenty of patios come with other work. If you'd like the look of stone or brick, stamped concrete is the same slab with a pattern pressed in, with the same base and joints underneath. If you need a way to reach the patio from the driveway or a side gate, we can pour a concrete sidewalk on the same job so the two meet at the same height.
Get a written quote for your Redmond patio
Send the form and we'll get back to you within one business day to set a time. I'll come out for a free estimate, with no obligation, and you'll get a written quote line by line.
(425) 285-8289- Mon–Fri: 7 AM–10 PM, Sat–Sun: 8 AM–9 PM
- hello@concretecontractorredmond.com
- Redmond, WA 98052
What happens after you call about a patio?
Here's how a patio job runs from your first call to the cleanup, and who you'll be dealing with at each step.
Call or send the form
You call (425) 285-8289 or send the form with a rough idea of the size. We set a time for me to come out that works for you.
I measure and write the quote
I come out, look at the yard, measure and ask how you'll use the space, from a grill corner to a table for eight. You get a written quote with each part of the job on its own line, so you can see what the base costs next to what the finish costs.
We set a date and build
Once you say go, we set a date and take care of the permit side if the job needs one. I run the job on site from the prep to the cleanup, and before we leave we tell you when you can walk on it.
Why Redmond homeowners call Allied Redmond Concrete for patios
On a patio, the prep under the slab is the one part you can't fix after the truck leaves. Send us a few details about your yard or call (425) 285-8289, and I'll come take a look.
I look at your yard myself
I come out to see the job in person, and our crew does the work with me there running it. The person who sized up your yard is the same one watching the base go in.
Our own business since 2021
I learned concrete on flatwork and foundation crews, then started this business in Redmond in 2021, five years ago now. We're known for slabs that sit level and shed water, which is most of what a patio has to do.
Licensed and insured, easy to check
We're licensed and insured. Washington requires every construction contractor to register with the state's Department of Labor & Industries, and you can look up anyone who bids on your patio in its Verify a Contractor tool before you sign.
Patios, paths and stamped concrete in Redmond
Redmond's residential code lists the building work that doesn't need a permit, and that list names sidewalks and driveways but not concrete patios, so it doesn't settle a patio either way. I'll tell you at the estimate whether yours needs one, and if it does, we handle the application and the inspection requests with the city. If your question is outside what we handle, I'll point you to the right permit office.
The city's code also rates the weathering risk here as moderate and plans for winter cold down to 27°F, so a Redmond patio has to live through freezing. An outdoor slab in freezing weather needs air entrainment, tiny air bubbles mixed in that give freezing water room, and since the plant sets the mix, it goes on the concrete order from the start. Cold weather for concrete starts when the air drops to 40°F, or is expected to, while the fresh slab still needs protecting, so a late-fall or winter pour gets that protection planned in, because cold slows the set and can freeze the slab before it's strong. On pour day, the city's stormwater rules call for concrete trucks to wash out off-site or in a set washout area, away from bare ground, storm drains, ditches, streets and streams, so we settle where the truck rinses before it shows up. We plan pours the same way on jobs in Kirkland and Bellevue, since it's the same weather.
Questions about concrete patios in Redmond
(425) 285-8289What does a concrete patio cost near Redmond?
An installed concrete patio in Seattle usually runs about $8 to $18 per square foot, which is the closest local market figure there is, not our price. The base work and the finish you choose decide where a patio falls in that range. For a Redmond number, I'll measure and send you a written quote.
Do I need a permit to pour a concrete patio in Redmond?
Redmond's no-permit list doesn't name patios, so it doesn't answer that on its own. I check it for your job at the estimate, and if you need one, we take care of it.
How do I keep a new concrete patio from cracking?
Build it on firm, even ground and cut the joints deep enough and soon enough, because those two things decide where a slab cracks. Soft spots, loose backfill from an old trench or buried roots and sod make a slab settle unevenly, and good joints can't save it then. A slab poured without joints, or with joints cut too shallow or too late, cracks wherever it wants.
How do I care for a new concrete patio in winter?
Skip deicers the first winter and use sand for traction, as one concrete trade group's cold-weather guide advises. After that, the same guide advises against magnesium chloride, calcium chloride, fertilizer and water-softener salt. Keep a bag of sand by the back door and you're set.
Should I seal a new concrete patio in Washington?
It's worth considering here, because our patios see freezing and deicing salts. One sealer maker says penetrating sealers typically protect for 5 to 10 years when properly applied, and calls them the preferred choice for outdoor concrete facing freeze-thaw cycles and deicers. Ask me at the estimate and I'll tell you what I'd do for your slab.
What causes moss and heaving on a concrete patio?
A base that holds water is usually the cause. In the Pacific Northwest, a poorly drained patio base grows moss, heaves and wears at the surface far faster than in drier climates, so drainage has to be planned before the pour. That's why slope comes first on our jobs.
Other concrete work that goes with a patio
Stamped concrete services
If you want your patio to look like stone, slate or brick, a stamped finish presses that pattern into the fresh concrete over the same solid base.
Concrete sidewalk building
A new patio usually needs a firm way to reach it, and a poured walk from the driveway or side gate keeps muddy shoes off the lawn.
Cities where we build concrete patios
Allied Redmond Concrete is based in Redmond, Washington, and builds patios across the cities around it. The 12 cities below have their own pages, including Sammamish and Woodinville, and we work in plenty of other places nearby.
Redmond, WA
Call about your new patio today
Have the rough size in square feet, a few photos of the yard and when you'd like it done, and we can talk real options on the first call.