Concrete contractor in Walnut Park, CA - slabs that drain right on close-set lots
Allied South Gate Concrete Company is a concrete contractor based in South Gate, pouring driveways, patios, walks, slabs and footings for homes and small businesses in Walnut Park, with the base dug out and packed before any concrete goes down.

- Fully licensed and insured.
- Free in-person estimates.
- We respond within 1 business day.
Walnut Park's close-set homes and tight driveways
Walnut Park sits between Huntington Park to the north and east and South Gate to the south, where we're based as a concrete contractor in South Gate, CA. It's almost all homes, packed in tight on small lots, with driveways a car wide running down the side of the house and backyards where a patio, a garage and a second car all want the same ground.
That's what shapes the work here. There's rarely room to back a truck up to the slab, the house next door is close, and every drop of water off your concrete has to go somewhere, so we plan the access and the drainage before we talk about the finish.
Concrete work we do for Walnut Park homes and businesses
Concrete driveway building
Driveways here are often a narrow strip beside the house carrying more cars than planned, so we dig out the soft base before the new pour.
Concrete patio construction
On a small backyard the patio is most of the yard, so we pitch it to send rain toward the street or a drain, not your neighbor's wall.
Stamped concrete services
Stamped concrete gives a front walk or patio the look of stone or tile, which helps when the yard is small and every square foot shows.
Concrete sidewalk building
Walkways squeezed between houses catch runoff from two roofs, so we set the slope before the pour instead of chasing puddles afterward.
Garage floor concrete
Garages out back often have cracked, sunken floors, and a new slab on a packed base gives you a level floor to park on or work on.
Decorative concrete
Color, exposed stone or a scored pattern can dress up a front yard that's mostly concrete anyway, without taking more space from a small lot.
Concrete retaining walls
Where one yard sits higher than the next, a concrete wall holds the dirt on its own side, which matters when houses are this close together.
Concrete floor installation
For a workshop, a storefront or a room that needs a solid floor, we pour interior slabs flat and level so flooring or equipment sits right.
Concrete pool decks
Where there's a pool on a small lot, the deck runs right up to fences and walls, so we slope it to shed water away from the house.
Concrete steps construction
Front steps take a beating in a neighborhood this busy, and we rebuild cracked or uneven ones so every step is the same height and nobody trips.
Slab foundation building
A new unit or addition on a crowded lot starts with the slab under it, and we form and pour it to the plans, square and level.
Foundation installation
Landlords and owners building here need a foundation laid out right the first time, because there's rarely room on these lots to shift anything later.
Concrete parking lot building
Customer parking on a built-up block has to drain to the right spot and hold up to cars turning in and out all day.
Concrete footings
Fences, patio covers and block walls between close neighbors all need footings, the concrete below ground that keeps them from leaning, poured to the right depth.
Foundation raising
If a room or porch has settled and doors stick or floors slope, we raise the low section and fill the gap under it so it's supported again.
Concrete cutting
On lots with no room for big equipment, we saw-cut old slabs into pieces we can carry out, or cut clean openings for drains and pipes.
Get a written concrete estimate for your Walnut Park property
Send the form and we'll reply within one business day to set a time for me to come out. The estimate is free, done on site, and there's no obligation.
Call (213) 329-1420- Based in
- South Gate, CA 90280
- Hours
- Mon–Sun: 7 AM–10 PM
Working in Walnut Park under County rules
Walnut Park has no city government of its own, so Los Angeles County runs things here, and the County's Public Works permit office issues the permits. Its own examples of permitted work are adding a room, turning a garage into living space, fixing a roof and replacing windows, and concrete isn't among them, so whether your job needs a permit is a question we take to the County for your address. When it does, we pull the permit, set up the inspections and deal with the office ourselves, and that part usually sets the start date more than the concrete does. Before you hire anyone, ask for their state contractor's license. The County also runs a business license program, but it covers a set list of activities, so not every business working here needs one. We're fully licensed and insured.
Most calls we get here are the same jobs we pour in Cudahy and South Gate: a cracked driveway, a backyard that holds water, a walk that tips toward the house. Price moves with the size of the slab, how much old concrete and soft dirt has to come out, how close we can get the truck, and the finish you choose. The schedule turns on the permit, if there is one, and on curing, the days new concrete needs to harden before it takes weight. Your own number comes on the written estimate after I've seen the job.
Why Walnut Park concrete cracks, sinks and floods
Close-set houses leave water nowhere to go. Roof runoff lands on narrow walks and driveways, and if the slab was poured flat or tips toward the house, it pools against the wall or runs into the garage. When we replace a slab here, I check where the water runs before anything else and pitch the new one toward the street or a drain, because that's easy to get right before the pour and expensive to fix after.
The other thing we see is old concrete that sank because the dirt under it was raked level instead of dug out and packed. Driveways here carry a lot of cars, and a weak base gives way under them. We dig down to firm subgrade, the ground the slab actually sits on, pack the base and add rebar, steel that holds the slab together if it does crack.
How a concrete job in Walnut Park runs, start to finish
Here's how it goes from your first call to the day we pack up, and what you'll need to do along the way, which isn't much.
Call or send the form
Tell us the job you have in mind and the address, and we'll set a time for me to come out. We pick up seven days a week, so evenings and weekends work fine.
I measure and check the ground
I look at the old concrete, the dirt under it, where the water runs and anything in the way, like a gas line or a narrow gate. Then I send you a written estimate, so you know the cost before anyone picks up a shovel.
Permit, prep and the pour
If the County requires a permit, we pull it and book the inspections, so you don't have to deal with the office yourself. Our crew digs out, packs the base, sets the forms and pours, and I'm usually there on pour day.
Walk the finished job together
Before we pack up, I walk the job with you and point out the control joints, the cut lines that give the concrete a planned place to crack. Then keep cars and foot traffic off while it cures, until I tell you it's ready.
Questions about concrete work in Walnut Park
Call (213) 329-1420When does a concrete contractor in Walnut Park need a California license?
A contractor needs a state license for any job that needs a building permit, brings in additional workers, or costs $1,000 or more in labor and materials combined. That line used to be $500 and went up to $1,000. Below it, someone can work unlicensed only if every condition holds, including no permit, no employees and no claim in their ads to be licensed, so ask for the license number before you sign.
How long does an LA County permit stay active for a job in Walnut Park?
The County's guidance says to request the first inspection within 12 months of getting the permit, and follow-up inspections are scheduled every 6 months to keep it active. A concrete job usually moves much faster than that, so we book the inspections around the pour and the permit doesn't sit.
Can a small concrete job in Walnut Park get a faster County permit?
It may, because the County offers Express Permits for small residential projects that don't need detailed plans, and those can move through faster than a bigger project. Whether your job fits is something we find out when we look into the permit for you.
How much does a new concrete driveway cost in Walnut Park?
The biggest swings in a Walnut Park driveway price are usually the finish and the tear-out, and you'll get your own figure in writing after I measure. A broom finish, a light brushed texture that gives tires and shoes some grip, costs less than stamped or colored concrete, and lots where everything goes down a side yard by wheelbarrow take more labor. If the budget's tight, cut the finish before the base, because nobody sees the base on day one and everybody sees it once a bad one sinks.
Will my new concrete driveway crack like the old one?
A new slab shouldn't crack the way the old one did if the base and joints are done right, though concrete does crack a little, because that's what concrete does. Besides the packed base, we cut the control joints on time so any cracks land in those lines instead of across the middle, and we plan pours for the cooler part of the day, since a slab finished in the midday heat can end up with a weak, dusty top.
How do I know if my Walnut Park address is under the County or a city?
Check which side of the line your lot is on, because Walnut Park itself is County land, but Huntington Park and South Gate next door are separate cities with their own offices. The County's permit page lists the local Building and Safety office for an address, and that office is the contact for a project there. When I come out, I sort out which office covers your address before we plan anything.
South Gate, CA
Send us your Walnut Park concrete job
Call (213) 329-1420 or use the form and include your address, so I can check which office covers it before I come out to measure.




