Concrete Contractor in San Marcos, CA - Driveways, Patios and Walls Built Right
Groundwork Oceanside Concrete pours driveways, patios, walkways, slabs and retaining walls for homeowners in San Marcos, CA. I come out to look at every job myself, and our crew builds each one from the base up.

- Licensed and fully insured.
- Free on-site estimates.
- Expect a reply within 1 business day.
Driveways, patios and yards around San Marcos
On our jobs in San Marcos we see a lot of single-family homes, from tract neighborhoods with two-car driveways to houses on hillside lots where the yard steps down in levels. The calls are usually the same few things: a driveway cracked across the middle, a patio that's settled toward the back door, or water pooling where it shouldn't. It's a lot like what we see next door in Vista and Escondido, and we fix it the same way.
If a patio or walkway is going right up against your house, the city's wildfire guidance calls that first five feet Zone 0 and says it's where homes are most likely to catch fire, so it's worth a read before we lay it out. Mostly, though, slope shapes the job here, because on a sloped lot the base and the water have to be planned before the pour, not patched after it.
What to know before a San Marcos pour
Building permits in San Marcos come from the city's Building Division, and the city says work that adds to or changes a home's structure, plumbing, electrical or mechanical systems likely needs one. When your job needs a permit, the city's review sets the start date, so that's the first thing I sort out. Before you hire anyone, check two things: a state license with the Contractors State License Board, and a San Marcos business license, which the city requires of every business working inside city limits, including contractors who come in from another city for a single job.
We check what the city needs for each job before we start, and when a permit's called for, we pull it as the licensed contractor, handle the paperwork and meet the inspector, or walk you through it if you're building as an owner-builder. Price here mostly turns on size, how much old concrete comes out, how deep we dig and pack the base, the slope, the finish and how easy it is to get a mixer truck to the spot, since a steep driveway can mean a pump. The schedule turns on the city's review and the weather on pour day. We're a concrete contractor based in Oceanside, and we run San Marcos jobs the same way we run them on the coast in Solana Beach, with a written estimate that gives you your own numbers line by line.
Get a free on-site estimate for your San Marcos concrete job
Send the form or call (760) 400-7009, and we'll reply within one business day. I'll come out to your San Marcos property myself, look the job over and follow up with a written estimate. It's free, and there's no obligation.
Call (760) 400-7009Services in San Marcos, CA
Concrete driveway building
A cracked or sinking driveway usually traces back to a soft base or water getting underneath. We tear it out, rebuild the base on firm ground and pour new.
Concrete patio construction
A backyard patio that tips toward the house sends water against your wall. We set the slope so water runs away, then pour and finish the slab.
Concrete retaining walls
Hillside lots here often need a wall to hold a cut slope or level a yard. We build concrete walls on solid footings with drainage behind them.
Concrete steps construction
Sloped front yards mean steps up to the door, and old ones settle or chip at the edges. We form and pour new steps with even rises.
Concrete floor installation
Garage conversions and workshops need a flat, dry floor before anything goes on top. Our concrete floor installation starts with a packed base so it stays flat.
Slab foundation building
Additions and backyard units sit on a slab that carries the whole building. We dig footings, set rebar so the steel keeps cracks tight, and pour to plan.
How it goes when you call us about a San Marcos job
Call or send the form
Call (760) 400-7009 or fill out the form with a few lines about the job. We set a time for me to come out to your place in San Marcos.
I walk the job myself
I look at the base, the slope and where your water runs, and tell you on the spot what I'd do and why. Then you get a written estimate you can compare line by line.
We handle the city's part
We pull any permit the job needs, and when plans have to be reviewed, the city says that typically takes about 15 business days. We set the start date around it.
We pour and clean up
Our crew digs out, packs the base, pours and finishes, and I run the site myself through cleanup. You don't need to be home on pour day, but I'll walk the finished work with you.
Common questions
Do I need a permit for a concrete patio or driveway in San Marcos?
Some concrete jobs do and some may not, and we find out from the city before anything starts. The city warns that starting without a needed permit can bring fines, a stop-work order and extra fees, and the Building Division's small-business guide points to an Exempt Work list for projects that may qualify without one. You can look into it on the city's building and remodeling page or call the Building Division at 760-744-1050, ext. 3244, and I'll check it for your job at the estimate.
Does a concrete contractor need a license in California?
Yes, for nearly any real concrete job. The state board requires a license when the project needs a building permit, uses any extra workers, or the labor and materials come to $1,000 or more, and breaking a bigger job into smaller contracts doesn't get it under that line. We're licensed and fully insured.
How much does a new concrete driveway cost in San Marcos?
Your price comes from a written estimate after I see the site, because size, tear-out, base work and finish move it more than anything else. A plain broom finish, the light texture that keeps shoes and tires from slipping, costs less than stamped or colored concrete. If the budget's tight, I'd cut the finish and keep the base, because the base is buried on day one and it decides whether the slab settles and cracks later.
How long before I can drive on a new concrete driveway?
Longer than you'll wait to walk on it, and I'll tell you both before we pour. Curing is the wait while the concrete gains strength, and a car on it too soon can crack the edges or leave marks that stay. Plan on parking on the street for that stretch.
What causes concrete driveways and patios to crack?
Most cracks start below the surface, with a base that was raked flat instead of dug out and packed, or water running under the slab. Concrete also shrinks as it cures, so we cut control joints, shallow grooves that give it a straight line to crack along, and we cut them on time. Pouring in midday heat can leave a weak, dusty top, which is why I'd rather move a pour to a better day than rush it.
Does driveway work near the street need a separate permit in San Marcos?
It can, because the city runs grading, right-of-way, storm water and similar work through separate engineering permits, apart from building permits. That usually comes up when work reaches the street or moves a lot of dirt, so I look for it at the estimate and we sort it out with the city before we dig.
Tell us about your San Marcos concrete job
Call or send the form with what you're planning, and I'll tell you what the city will likely want to see before anything gets dug up.




