Concrete retaining walls in Norwalk CA - a wall that drains and holds the slope
Slope sliding into the yard or an old wall starting to lean? We build concrete retaining walls with the drain planned before the pour.
- Licensed and insured.
- Free quotes on site.
- We respond within 1 business day.
When does a sloped yard need a concrete retaining wall?
A concrete retaining wall holds back the earth on a sloped yard, so you get flat ground you can use and dirt that stops creeping toward your patio or your house. In Norwalk we build them poured or from block, and how well any wall holds up comes down to how the water behind it gets out.
Most calls start with a slope that washes mud onto the patio every time it rains, an old garden wall that's begun to lean, or a back yard you want leveled for a lawn or a pool. The price mostly follows how tall and long the wall is, what has to come out first and how easy the site is to reach, and the schedule turns on whether your address needs a permit and how big the dig is. I look at your slope in person, and the written estimate gives you the figure for your own wall.
How we build concrete retaining walls
Most wall trouble comes from water stuck behind it, so I plan the drain before anything else, and then we talk through poured versus block for your lot. Our crew digs out and packs the ground the wall will sit on, then sets the forms and the rebar, the steel inside that lets the wall take the push of the dirt behind it, and pours. Once the concrete has had its time to cure and gain strength, we lay filter fabric to keep fine soil out of the drain, set a perforated pipe at the base with an outlet for the water, and backfill with clean gravel so water drops to the pipe instead of pressing on the wall.
A wall often makes room for the next project. A flat yard that used to be a slope is ready for concrete pool decks, and a leveled pad beside the house can take a shed or workshop that needs concrete floor installation. When we plan the wall and the slab together, the drain water goes somewhere useful and not under the new concrete.
Poured concrete wall
This suits tight lots and walls close to a property line, because national design guides note that a poured wall can use a cantilever design, where a footing under the wall carries the load, or tiebacks, steel anchors that hold the wall in place. Either way, nothing has to reach back into the neighbor's yard.
Block wall
This suits open yards with room behind the wall, since block walls need geogrid, a mesh laid between the rows of block that reaches back into the soil behind them. Before I recommend block, I check there's enough ground on your side of the line for that grid.
Concrete retaining wall permits and hazard zones in Norwalk
Before work starts, we check whether the city or the county wants a permit for your address, and if one's needed we pull it and handle the paperwork for our part of the job. The state geological survey also says that whoever develops a property inside a mapped seismic hazard zone may be required to investigate and deal with that hazard during local permitting, which can add a step before we dig. You can look up your own address in the state's EQ Zapp tool, and I'd rather know that answer before the estimate than after.
Around Norwalk, most of the walls we're asked about are low garden walls that have started leaning, slopes at the back of older lots and walls running along a block fence near the neighbor's line, so the poured-or-block talk usually comes down to how much room there is behind the wall. We see the same tight yards on jobs in Downey and Bellflower, and we work across the cities around Norwalk in southeast Los Angeles County and north Orange County, so if yours isn't listed, call and ask.
Why Norwalk homeowners call T&M Norwalk Concrete Company for retaining walls
I look at every wall myself
I come out to see your slope in person, and I'm on site with our crew when the wall goes in. The person who heard what you need the wall to do is the one watching the dig and the drain.
Running our own crew since 2021
I started as a helper hauling and setting forms, and I've run this business since 2021. We're known for the odd jobs, like tight yards and walls where nobody's sure yet why the ground moved, and I'd rather find the cause than patch over it.
Licensed and insured, subs named
We're licensed and insured. Under California law, a home improvement contractor has to give you the name, contact information, license number and classification of any subcontractor when you ask, and the main contractor stays responsible for the whole project.
The part of a retaining wall that matters most ends up buried behind it, so have someone look at the slope before you settle on a design. Tell us about your wall or call (562) 307-9138.
Request a quoteGet a written estimate for your retaining wall
We reply within one business day. I come out, look at your slope and ask what you need the wall to do, then send you a free written estimate with no obligation.
What happens after you call about a retaining wall in Norwalk?
Call or send the form
Call (562) 307-9138 or use the form, and we'll set a time for me to come see the wall. A few photos of the slope help me show up with the right questions.
I measure and write it up
I check the height, the length, what's behind the wall and where the water runs, and we talk through poured or block. You get a written estimate for the wall we discussed, so you know the figure before anything starts.
We build, then walk it
If you go ahead, we sort out any permit, prep the ground, set the drain, pour and backfill. When we're done I walk the wall with you and show you where the water comes out.
Frequently asked questions
How much does a concrete retaining wall cost in Norwalk?
In the Los Angeles area, installing a poured concrete retaining wall about 3 ft high usually costs about $50 to $54 per square foot of wall. Taking out an old wall, stamped or multi-colored concrete, a curved wall, a wall taller than 3 ft or difficult soil all push the price up. Your written estimate gives you the figure for your own wall.
What is the best way to choose between a poured concrete and a block retaining wall?
Start from the design your site needs, because guides written for the whole country say the right system depends on the engineered design and the site, not on a set ranking of which one is stronger. Block usually costs less to install at the start, and how much room you have behind the wall, covered above, often settles it.
Why does drainage matter so much for a retaining wall?
Poor drainage is by far the most common reason retaining walls perform badly, according to a national design guide, and left alone it can lead to outright failure. Water that can't get out builds up behind the wall and pushes on it, which is why the drain is the first thing we plan.
How do I know if my retaining wall is failing?
Watch for the face bowing or leaning, white mineral staining called efflorescence, wet spots or seepage at the base that don't dry out, and cracks that run sideways or step up like stairs. Those all point to the drain behind the wall not doing its job, so call and I'll come find out why before it gets worse.
How do I check if my Norwalk address is in an earthquake hazard zone?
Enter your address in EQ Zapp, the state geological survey's online lookup, and it shows whether the spot is in a mapped earthquake hazard zone or hasn't been evaluated yet. Send me the result with your request, since a hazard zone may add the extra permitting step mentioned above.
What should I ask a contractor about retaining wall drainage?
Ask whether the wall will have drains you can maintain, because a national design guide says those keep a wall drained more reliably than plain weep holes, the small openings through the wall face, which are likely to clog over the years. Ask too where the water goes once it leaves the pipe.
Other concrete work that goes with a retaining wall
Concrete pool decks
With the slope held back and the yard flat, a poured deck gives the pool solid, even footing, and its drainage can be planned together with the wall's.
Concrete floor installation
A wall that cuts into a slope can open up level ground for a shed, workshop or garage, and that building needs a floor poured flat on a well-packed base.
Norwalk, CA
Get your retaining wall looked at
Have your address, the wall's rough height and length, a few photos of the slope and your EQ Zapp result ready when you call, so I come out already knowing what to check.