Concrete retaining walls in San Leandro CA - a wall that drains and holds your slope
Slope creeping toward your patio or an old wall leaning out? We build poured concrete walls with drainage planned first, so the ground stays put.
What does it take to build a retaining wall in San Leandro?
A concrete retaining wall is a poured wall, usually a stem with steel rebar inside standing on a wide footing at its base, that holds back a slope so you get level ground you can actually use. In San Leandro, most of the planning comes down to drainage, the ground the wall sits on and whether the city needs to review it before we start.
Most people call us because a hill is sliding toward a patio, an old wall has started to lean, or they want flat yard where there's a slope, maybe for a future pool deck. The price moves with the size of the wall face, how much digging and hauling it takes, the drainage behind it and how easy it is to get a crew and a concrete truck to the spot, while the schedule mostly turns on whether the city has to see plans first. When your wall needs a city permit, we handle the application and set up the inspections with you. I'll measure everything on a visit and give you a written estimate that lays out your options and what each one means.
- Fully licensed and insured.
- Free in-person estimates.
- We respond within 1 business day.
Retaining walls, pool decks and floors
How we build a concrete retaining wall
Water trapped behind a wall builds pressure, so drainage is the first thing I sketch when we plan one, giving that water a way out before it can pile up. Next I look hard at the ground the wall will sit on, because a Washington State highway design manual puts cantilever walls, the common poured kind with a stem on a footing, among the walls that tolerate settling the least. Once any city review is sorted out, we dig out to firm ground, set forms and rebar and pour the footing, then form and pour the stem and backfill behind it with the drainage in place. The footing and the drainage end up buried, and they're the first thing people want to trim from a budget, but I'd rather spend your money there than on a fancy face, because a good-looking wall over poor prep won't hold up.
A new wall usually opens up space, and that's often when the next project starts. Level ground beside or below it is a natural spot for one of our concrete pool decks, and if the wall is cutting into a hill to make room for a shed or a backyard studio, we can pour the slab too with our concrete floor installation. Planning them together means we set grades and drainage once instead of twice.
Why San Leandro homeowners call Complete San Leandro Concrete for retaining walls
The owner writes your estimate
I look at every job myself and write the estimate, and then I'm on site running the work with our crew. The person who explained your wall is the one standing there when it gets built.
Framer first, then concrete crew
I spent years framing houses, then learned this trade forming and finishing slabs on a concrete crew before starting this business in 2023. Knowing how a building carries weight helps me explain why a wall needs what it needs, in plain words.
Licensed and insured for concrete
We're fully licensed and insured. California licenses concrete contractors to form, pour, place and finish concrete work, which is the whole job on a poured wall, so it's fair to ask every bidder about theirs.
Planned for Bay Area earthquakes
The codes used in San Leandro have structural changes from the state and the city for earthquake design, and on a lot inside a state Seismic Hazard Zone the state says weak soil or rock is likely and can fail in a quake unless grading and construction take precautions. We're based in San Leandro and work across the cities around it, and we check early which city or county office covers your address so the wall is planned for the rules there.
On a retaining wall, the parts you can't see do most of the work, so call (510) 766-7334 or send us a few details and I'll come take a look at your slope.
Get a written retaining wall estimate at your property
Send the form and we'll get back to you within one business day to set up a visit. I come out, measure the slope and write up your options, free and with no obligation.
- Fully licensed and insured.
- Free in-person estimates.
- We respond within 1 business day.
What happens after you call about a retaining wall?
Call or send the form
You call (510) 766-7334 or send the form, and we get back to you to set up a visit. It helps to have the rough length and height of the wall, a few photos of the slope and your address handy.
I look over your slope
I come out myself, look at the slope and the ground, and ask what you want the level space for. Then I write up an estimate that explains each option, from wall size to drainage, and why it matters.
We look into permits first
Once you pick an option, we look into permits for your address. If the city reviews plans, it asks for 15 to 20 business days for that first review, depending on how complex the job is, so that time goes in before we set a start date.
We build it, then walk through
We prep the ground, and I run the pour and the finish with our crew. When it's done, I walk you through how to care for the wall.
Retaining wall questions from San Leandro
Do I need a permit for a retaining wall in San Leandro?
Yes if the wall is over 4 feet tall measured from the bottom of the footing, and a shorter wall can still need one if it supports a surcharge or holds back certain liquids. The footing sits below ground, so a wall that looks short can still cross that line. I'll check where yours lands on the site visit.
How much does a concrete retaining wall cost in the Bay Area?
A poured concrete retaining wall in the Bay Area usually costs about $40 to $55 per square foot of wall face, so a taller or longer wall costs more. That's the going rate around here, not our quote, and where yours falls depends on the digging, the drainage and how easy the site is to reach. Your written estimate lays out the options for your wall, and our work is backed by our satisfaction guarantee.
What does San Leandro need to see before it approves a retaining wall?
For new construction the city typically wants plans, specifications, soils reports and other supporting documents, and its departments review them before a building permit is issued. You can apply in person at the city's Permit Center at City Hall, and when we're handling your wall, we put that package together with you.
Why does a concrete retaining wall need drainage behind it?
Because water that collects behind a wall pushes on it, and proper drainage is what keeps that pressure from building. The aim is low groundwater right behind the wall. When you compare bids, ask each contractor how they'll handle drainage, since it ends up buried and you won't see it later.
What is the best way to build a retaining wall, poured concrete or blocks?
It depends on your slope, and it's fair to ask every bidder which type suits your site. A poured wall is formed and filled in place with steel inside, while a segmental wall is stacked from blocks laid dry with no mortar. We build poured concrete, and if your site makes a better case for something else, I'll tell you.
How do I choose a contractor for a concrete retaining wall in San Leandro?
Ask who will file the permit, how they'll check the ground under the wall and whether they're licensed for concrete work in California. The city lets the owner or an authorized agent apply, so get it clear up front who's doing it. With us, those answers are in your written estimate.
Work that goes with a concrete retaining wall
Concrete floor installation
Building a garage, shop or room on the level ground behind your wall? A poured floor gives it a flat, solid surface from the start.
Concrete pool decks
A yard terraced by a wall often has room for a pool, and the deck around it needs the same care with slope and drainage.