C&S Bothell Concrete ContractorsC&S Bothell Concrete Contractors

Concrete parking lot building in Bothell WA - a lot that drains well and lasts

Worn, potholed or puddling lot out front? We plan the drainage first and pour a concrete lot built to carry traffic for years.

Stamped concrete patio with a stone-pattern surface, curved retaining wall, and central fire pit beside a pond.
  • Licensed and insured.
  • Free estimates at your property.
  • We reply within 1 business day.

What goes into building a concrete parking lot in Bothell?

Concrete parking lot building in Bothell, WA, means planning, forming and pouring a lot that carries your traffic and sends water where it should go. When the design suits the site, a concrete lot can be an economical choice that serves well for many years with little maintenance.

Most people who call about a lot have worn asphalt, a gravel lot that ruts every winter or bare ground beside a building, and they want to know what it will cost and how long the lot will be closed. The price mostly moves with the size of the lot, how much digging and base the ground needs before any concrete goes in, how thick the slab has to be for the vehicles using it, and the drains and grades the engineer's design calls for. The schedule turns on that design, any permit review, the weather and the curing wait before cars go on. Your written estimate gives the figure for your own lot and spells out what's included and what isn't.

How do you know your lot is ready for concrete?

  • Puddles that never drain

    Water that sits in the same low spots for a day after rain usually means the surface has settled or was never sloped toward a drain. Left alone, that water soaks into the base below and softens it, so the low spots grow and the surface breaks up faster.

  • Potholes and crumbling edges

    Potholes, and edges breaking off where cars turn, usually mean the ground under the surface has given way, not just the top layer. Patching buys some time, but each wet season opens them wider, and a soft base takes more work to dig out the longer it goes.

  • Ruts in a gravel lot

    A gravel lot that ruts, throws dust in summer and turns to mud in winter is usually ready for a hard surface. Waiting means more grading and topping up every year, and that money goes into ground you'll end up paving anyway.

How we handle concrete parking lot building

I bring up drainage at the first visit, because the engineer's design and your yearly upkeep both depend on where the water goes, and I'll lay out how concrete compares with asphalt so you can weigh it for your property. On the job, we dig out to firm subgrade, the ground the slab sits on, and pack the base in layers rather than raking it level, since a raked base settles along with the dirt under it. We set forms to the engineer's grades so water runs to the drains and away from the building, place rebar, the steel that holds the slab tight if it cracks, where the design calls for it, and pour early in the day, because concrete placed in midday heat can end up with a weak, dusty top. Then we give it a broom finish, a light texture that gives tires and shoes grip in the rain, and protect it while it cures, the slow hardening that decides how strong the surface ends up. If the budget gets tight, the base is the last thing I'll cut, because nobody sees it on day one but it decides whether the lot stays flat.

A lot often comes with other work around it. If the plan has light poles, sign posts or a low wall at the edge, we can pour the concrete footings for them as part of the same job, so the ground is only dug once. If the building the lot serves has sunk at one corner, I'd rather look at foundation raising before we set grades than pour new concrete up against a wall that's still moving.

  1. A new lot on open ground

    This suits owners putting a lot beside a new shop, rental or small building. Starting from bare ground lets us plan the drainage and the base together from the very beginning.

  2. Replacing worn asphalt or gravel

    This suits a lot that's already failing. We break out and haul away the old surface, check what's underneath and rebuild any soft base before we form the new slab.

  3. Concrete where the wear is

    This suits owners who want to keep some asphalt for now. We pour concrete at entrances, dumpster pads and loading spots, where turning trucks wear a surface down fastest.

Get a written estimate for your parking lot

Send the form and we'll reply within one business day to set up a visit. I'll come out, walk the site and give you a free written estimate, with no pressure to book.

Based in
Bothell, WA 98011
Hours
Mon–Fri: 8 AM–11 PM, Sat–Sun: 7 AM–11 PM
(425) 384-1147

What happens when you call about a concrete lot in Bothell?

From your first call to the final walk-through, here's what happens and who you'll be dealing with at each step.

  1. Call or send the form

    You call (425) 384-1147 or send the form, and we get back to you to set up a visit. It helps to tell us roughly how the lot will be used, so I come prepared.

  2. I visit and write the estimate

    I look at the site, where the water runs now and what the lot needs to handle, from daily parking to delivery trucks. You get a written estimate that spells out what's included and what isn't, so you know exactly what you're paying for.

  3. Sort permits and set a date

    Once you're ready, we sort out any permit questions and set a start date. That date works around the engineer's drainage design and the city's review, so the pour isn't waiting on paperwork.

  4. Build it and walk it

    We dig, form and pour the lot, and when it's finished we walk it with you. I'll go over where the drains are and which areas should stay closed while the concrete gains strength.

Why Bothell property owners call C&S Bothell Concrete Contractors for a lot

  • Our own crew, led by me

    Our own crew does the work, and I lead it on site rather than handing your lot to people you've never met. The person who talked through your drainage with you is the one checking the forms before the pour.

  • Building around Bothell since 2017

    I started this business in Bothell in 2017, after learning concrete on flatwork and foundation crews in this area. Flatwork is the trade's word for slabs on the ground, and wet-season pours and heavy runoff are things we plan for here as a matter of course.

  • Licensed and insured on every lot

    We're licensed and insured, and I'm glad to go over those details with you before you sign anything. A lot carries other people's cars, so you should know the crew building it is covered.

When you're ready, please get in touch through our contact page or call (425) 384-1147, and I'll come out to look at your lot.

Concrete lots and drainage rules in Bothell

Bothell requires every new storm drainage system, public or private, to be designed, signed and stamped by a professional engineer registered in Washington, so on a lot we build our grades and drains to that engineer's plan, not to our own eye. The city also wants a private system to sit wholly outside the public right-of-way, the street and strip the city owns, with access easements so city inspectors can reach it. Porous paving, the kind that lets rain soak through, isn't counted as hard surface when the city decides which stormwater rules apply, though it still counts when the engineer models runoff. A site in downtown Bothell, the area bounded by Main Street, Bothell Way NE, NE 180th Street and 98th Ave NE plus Pop Keeney Way, has special rules for contaminated soil and groundwater. If clearing and grading will disturb an acre or more, the city's grading checklist points to the state Department of Ecology's construction notice, which Ecology no longer takes on paper. I flag whichever of these applies at the estimate, so none of them turns up halfway through the job.

Rain is what we plan around most on lots here, because a big flat surface collects a lot of water over a wet season and it will find any low spot. We time pours for dry windows and check the forms against the engineer's grades before the concrete arrives. We're based in Bothell and work across the cities around it, and we bring the same drainage-first approach to lots in Kirkland and Woodinville. If you're not sure we come out your way, just ask.

Questions about concrete parking lots in Bothell

How long does a concrete parking lot last compared with asphalt?

A Washington contractor directory puts concrete at 25 to 40 years with minimal maintenance, and asphalt at 15 to 25 years with sealing every 2 to 3 years. Asphalt costs less at first, so the choice comes down to that lower first cost against concrete's longer life and lighter upkeep.

How much does a concrete parking lot cost near Bothell?

Concrete slab work in the Seattle area usually costs about $7 to $14 per square foot. Where your lot lands depends on its size, the base work and the drainage the design calls for, and your written estimate gives the figure for your own lot.

How long does new concrete take before you can park on it?

A Seattle slab guide says a slab should be walkable within 48 hours and takes 28 to 30 days to fully cure. The same guide suggests owners may want to wait about a week before heavier loads go on it, to be safe.

Will a new concrete parking lot crack like the old one?

Some fine cracking is normal, because concrete shrinks as it hardens, so the aim is to keep it where you'd choose. We cut control joints, straight grooves that give the slab a planned line to crack along, on time, since joints cut late or skipped are how cracks end up where nobody picked.

Who maintains the drainage after a parking lot is built in Bothell?

On a commercial or mixed-use property in Bothell, the owner or owner's association owns and maintains the storm drainage. A private system comes with covenants requiring annual maintenance, annual inspection and reporting to the city, so it's a yearly job worth building into your budget.

How do I apply for a permit in Bothell?

The City of Bothell takes all permit and land use applications online only, through MyBuildingPermit.com, and the city's permit center is where to start. We look at the permit side when we come out for the estimate, and when a permit is needed, we can prepare and file it with the city and plan the start date around it.

  • Concrete footings

    Light poles, sign posts and a trash enclosure each need solid concrete underneath, and setting those footings before the lot goes in saves cutting into new paving later.

  • Foundation raising

    When a building next to the lot has settled and its doorway sits low, raising it first lets the new paving meet the threshold at the right height.

Service areas around our Bothell base

C&S Bothell Concrete Contractors is based in Bothell, WA, and works across the cities around it. The 12 cities below each have their own page, including Redmond and Shoreline, and they aren't the only places we go.

Plan your concrete parking lot with us

Please have the site address, a rough lot size and any drainage plans you already have on hand, so the first visit can cover the questions that matter most.

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