Concrete contractor in Sierra Madre, CA - slabs built to shed water on sloped lots
Cornerstone Sierra Madre Concrete is a concrete contractor based in Sierra Madre. We build driveways, patios, walkways, steps, retaining walls and foundations across the city, and our crew does the work with me on site running it.
- Fully licensed and insured.
- Free quotes on site.
- Replies within 1 business day.
Older homes and sloped lots across Sierra Madre
Sierra Madre is home for us. I started this business here in 2020, and much of what we pour in the city is for single-family houses on quiet residential streets, many of them older, with driveways, front walks and backyards that have settled over the years.
We also work next door in Pasadena and over in Arcadia and Monrovia, but Sierra Madre lots have their own habits. Many climb toward the mountains, so a driveway rises from the street, a backyard tilts toward the house, and the old concrete often sits on dirt that was never packed. I'll put your own figure in the estimate I write on site. The schedule mostly turns on whether a permit applies and on the weather around the pour, and the price turns on the ground itself, from how much old concrete comes out to how deep we dig for firm soil and how much the slope and drainage ask of us.
Our services in Sierra Madre, CA
- Concrete driveway building
Sloped driveways here often crack and sink where the base was thin. Our concrete driveway building starts with a dug-out, packed base and a slab sloped toward the street.
- Concrete patio construction
Backyards here often tilt toward the house, so a patio has to send rain away. We check where the water runs and set the slope before we pour.
- Concrete retaining walls
On lots that climb toward the mountains, wet soil pushes downhill after a storm. We build retaining walls on solid footings with drainage behind them so water doesn't build up.
- Concrete steps construction
Front steps on older houses here often pull away from the porch or tip forward. We tear them out and pour new steps with even rises on a solid footing.
- Concrete sidewalk building
Walkways in older yards here get lifted by tree roots or sink where water pools. We pack a firm base and brush the fresh walk so it isn't slick when wet.
- Concrete cutting
Sometimes only one section of an older slab here has sunk or cracked. We saw-cut that piece out cleanly so it can be replaced without tearing up the whole driveway.
What Sierra Madre's hillside lots ask of concrete
Rain on a foothill lot doesn't stay where it lands. It runs downhill across your yard toward whatever sits lowest, and if a slab is poured flat or tipped the wrong way, that's often your garage, your back wall or your foundation. The city's own history records floods and mudslides out of Sierra Madre Canyon that damaged hundreds of homes and buried streets in silt, so water moving downhill here is worth respecting. Before we form anything, I walk the lot with you to see where water runs now, and then we slope the slab so it carries water away from the house and toward the street or a drain. It's the same idea as grading a barn floor so it doesn't hold puddles. Does that make sense?
A lot of the older concrete we tear out here was poured on dirt that was raked smooth instead of dug out and packed, which is why so many old driveways have sunk at one end or split where a tree root pushed up. We dig down to firm ground and pack the subgrade, the layer of soil and gravel the slab rests on, because a slab is only as steady as what's under it.
Get a free on-site estimate for your Sierra Madre concrete job
Send the form and we'll get back to you within one business day to set a time that works for you. I come out to your Sierra Madre property myself to look at the ground, the slope and the drainage, then write a free estimate with no obligation. If you'd rather talk it through first, call (626) 828-0332.
Concrete driveways, patios and steps
Sierra Madre concrete questions answered
Do I need a permit for a concrete driveway or wall in Sierra Madre?
A concrete wall or fence along your property line is on the city's list of work that needs a Building & Safety permit, and for a driveway, patio or any other wall we check what the job needs before we start. Those permits come from the city's Building and Safety Division and go only to a state-licensed contractor or the property owner, and each trade needs its own permit, so plumbing or electrical work on the same project goes on a separate one. The city's permit applications also include grading and drainage, encroachment and excavation, and tree removal and pruning. When a permit applies, we handle the application as the licensed contractor and walk you through each step.
Does a contractor based outside Sierra Madre need a city business license?
Yes, a business based outside the city still needs a Sierra Madre business license to do work inside city limits. The city also requires that license before any contractor applies for a construction permit here, so it's a fair thing to ask about before you sign.
When does a concrete contractor need a California state license?
A contractor needs a license from the Contractors State License Board whenever the job needs a building permit, uses hired workers, or costs $1,000 or more in labor and materials. The board's small-job exemption only covers work with no permit, no employees, no advertising as a licensed contractor and a cost under $1,000, so a crew pouring your driveway or wall needs the license. We're fully licensed and insured, and I'd tell you to ask about that with any contractor you talk to, us included.
How much does a new concrete driveway cost in Sierra Madre?
There's no single price, because it comes from your driveway's size, the slab thickness, the finish you pick and the site work your slope needs, and I'll put your figure in writing when I come out to look. If the budget is tight, I'd spend on the base before the surface, because the packed ground under the slab is hidden the day we pour but decides whether it sinks, and no stamped or colored top can save a slab settling into soft dirt. A plain broom finish, the brushed texture that keeps tires and shoes from slipping, on a solid base is the choice I'd make with my own money.
Will my new Sierra Madre driveway crack like the old one?
Concrete can still crack, but on a slab we pour it should crack where we chose, in a straight line at a joint, instead of wandering across the middle. We cut control joints, shallow grooves that give the slab a planned place to crack, early before it picks its own spot, and we set rebar, steel rods inside the concrete that hold the pieces together, where the slab calls for it. We pour in the cooler part of the day where we can, because concrete that bakes in midday heat often ends up with a weak, dusty top, and the packed base I talked about above does the rest.
How long does new concrete take to cure before I can drive on it?
You can walk on new concrete well before you can drive on it, and I'll give you both days for your slab before we pour, since they turn on the mix, the thickness and the weather that week. Curing, the slow hardening that gives concrete its strength, keeps going long after the surface looks dry, so a car on it too early can crack a slab that would have been fine. We'll plan the pour with you so you know ahead of time when you'll be parking on the street.