Concrete Contractor in Renton, WA - Driveways and Patios Built on a Solid Base
Form & Pour Renton Concrete Company is a concrete contractor based in Renton, WA. We pour driveways, patios, walks, steps, slabs and footings for homes and properties across the city, starting with the base under them.
- Licensed and insured.
- Free in-person estimates.
- We respond within 1 business day.
Renton homes and the concrete work we see
Renton is mostly homes, from older houses near downtown that still have their original driveways and walks to newer neighborhoods climbing the hills, with businesses and industrial lots along the valley floor. Most of our calls here come from homeowners whose driveway has cracked or settled, whose patio holds water, or whose front steps have pulled away from the house. We also hear from property owners who need a slab, a footing or a small lot poured.
It's much the same work we do in Kent and Newcastle, but the ground here changes a good deal from one block to the next. A level lot in the valley and a sloped lot up the hill need different digging, different drainage and sometimes different forms, so I settle the layout before anything else.
Concrete work we do for Renton homes and lots
When an older Renton driveway has cracked or sunk, we remove it, rebuild the base and pour a new slab that sheds water away from the garage.
Patios that hold puddles or tip toward the house are a common call here, so we pour new ones with the base packed and the slope set first.
Stamped concrete suits a patio or front entry where you want the look of stone or brick, and it goes over the same packed base as plain work.
Front walks on older homes here often heave or settle into trip edges, so we replace them with a broom finish, a brushed texture that grips when wet.
An older garage floor that has cracked or sunk gets broken out and repoured on a packed base, with a fall toward the door so water drains out.
Colored, scored or exposed-aggregate finishes give a newer home's entry or patio some character without changing how carefully the slab underneath is built.
On Renton's hillside lots a retaining wall can hold back a slope for a flat yard or driveway, and taller walls are usually a question for an engineer.
We pour interior slabs for basements, shops and outbuildings around the city, setting the base, any vapor barrier and the finish to suit how the room is used.
A pool deck needs a surface that grips under wet feet and drains away from the pool, so we set the slope and texture with that in mind.
Front steps that have pulled away from the house or crumbled at the edges are common on older homes here, and we rebuild them on proper footings.
For garages, additions and outbuildings on Renton lots, we pour slab foundations on a dug-out, packed base, and the permit and plans come first.
When an addition or a new home goes up on a sloped lot here, we form and pour the foundation to the engineer's approved plans.
Small business and multifamily lots along the city's commercial streets get a thicker slab and careful drainage so they handle daily traffic and runoff.
Deck posts, porches and small additions sit on footings, and on a sloped yard here we dig them to firm soil before the forms go in.
When part of an older Renton house has settled, raising the foundation can bring it back level, and I'll tell you if an engineer should see it first.
We cut openings, trenches and clean edges in existing slabs, so a remodel or a new drain line doesn't mean tearing out a whole driveway or floor.
Get a written concrete estimate for your Renton property
We reply within one business day. I'll come out to look at the site, measure and talk it through, and the written estimate is free and obligation-free, so you can compare it with any other quote.
(425) 264-4089- Based in
- Renton, WA 98057
- Hours
- Mon–Sun: 7 AM–11 PM
Working in Renton: permits, licenses and pour day
Inside Renton city limits, permits come from the city's permit office, and work may legally begin only once the permit is issued and kept on the work site, so on a permitted job the schedule starts with the city. Before it issues any permit, the city requires a State of Washington contractor's license and a City of Renton business license, which gives you two simple things to ask any contractor for. We're licensed and insured, and if your job may need a permit, I go over it with you at the estimate, check which office covers your address, and we can handle the application or help you with yours.
Past the permit, the price moves mostly with the size of the slab, how much old concrete comes out, how deep we dig for the base and how easily the truck reaches the pour, and the schedule turns on the permit, if there is one, and on a dry enough day to pour. Many driveways here are steep or sit off narrow residential streets, so we plan where the truck parks and keep the street passable for your neighbors. We do the same work in Tukwila and Bellevue, and for your own job the written estimate lays out the prep and the concrete work line by line.
Why Renton slabs need careful prep
Renton treats wetlands, steep slopes, coal mine hazards and creeks as critical areas, and any work in one needs a permit, so a sloped lot or a yard near a creek can bring extra steps before we pour. The city's Planning Division at 425-430-7294 can tell you which added studies a property in or near those areas may need, and I'd suggest we sort that out early, because it can set the whole schedule.
The more common reason people call is an older slab that has cracked, sunk or tipped toward the house, and most of the time the cause is underneath. When the subgrade, the soil the slab sits on, was only raked level instead of dug out and packed, it settles and takes the concrete with it, and a slab with no fall away from the house sends water toward the foundation. We dig out, pack the base, set the slope so water runs where you want it, and cut control joints, shallow grooves that give the slab a straight place to crack instead of a random one.
How a concrete job runs when you call us in Renton
Here's how a job with us goes, from your first call to the last walk-through, and the points where it helps to have you there.
Call or send the form
When you call (425) 264-4089 or send the form, I'll set a time to come out that suits you. It helps if you can be home for the visit, because I'll ask how you plan to use the space.
Walk the site with me
I come out myself to look at the ground, take measurements and answer your questions. You then get a written estimate that explains the prep, the concrete work, anything we'll ask of you before pour day and what the city or county may want to see, so you can compare it with any other quote.
Prep, pour and finish
Our small crew digs out, packs the base, sets the forms and pours, and I check in as the job goes. For permitted work near homes the city sets working hours, which for single family remodels and additions run 7 a.m. to 10 p.m. on weekdays and 9 a.m. to 10 p.m. on weekends, and we plan the job inside them.
Walk the finished work
We keep the area neat, cover what needs covering and walk the finished concrete with you before we pack up. I'll also go over curing, the wait while the concrete hardens enough to walk on and then drive on, so you know when you have your driveway or patio back.
Questions about concrete work in Renton
How much does a new concrete driveway cost in Renton, WA?
I can't give a fair figure before seeing the site, because the price turns on the driveway's size, how thick it needs to be, whether it gets rebar, the steel set inside to hold cracks tight, and how much digging and drainage work the ground needs. If the budget is tight, I'd suggest a plain broom finish over trimming the base, because the base is hidden on day one and it's the part that decides whether the driveway settles. Your written estimate breaks out the prep and the concrete so you can see where the money goes.
Do I need a permit to replace a concrete driveway in Renton?
You may, because the city's Civil Construction Permit covers site work that adds or replaces more than 500 square feet of hard surface, clears or disturbs more than 500 square feet, or involves more than 50 cubic yards of grading. A full driveway replacement often crosses that line, so I measure it at the estimate. For a smaller slab, I'd still check with the city before the pour rather than assume.
Do I need a permit for a shed pad or deck footings in Renton?
For a deck that stands more than 30 inches above the ground, yes, because the city requires a building permit for those decks, and the footings are part of that job. A shed under 200 square feet needs no building permit, but its concrete pad is still new hard surface, so I add it to any other paving you're doing to see whether it reaches the site work limit.
Does a concrete contractor from another city need a Renton business license?
Yes, generally any business working inside Renton city limits needs a City of Renton business license, even with no shop or office in the city. A contractor from outside the city who stays under the city's $4,000 business license threshold still needs the license, but pays no fee for it.
How do I check that a concrete contractor is licensed in Washington?
Ask for their state contractor registration, because Washington requires every construction contractor to register with the Department of Labor & Industries and to be bonded and insured. The state's bond is $30,000 for a general contractor and $15,000 for a specialty contractor, and on any residential job of $1,000 or more, a registered contractor should hand you a disclosure notice before the work starts.
How do I find out if my house is inside Renton city limits?
The city's COR Maps tool shows whether an address falls inside Renton city limits. That matters for a concrete job because it decides whether the city's permit office handles your permit or another city or county office does, and I check that for you at the estimate.
Renton, WA
Get your Renton concrete estimate on the calendar
A walk-through shows what the ground under your slab needs, which is the part no photo or phone call can show, so call (425) 264-4089 or send the form.