Serving San Francisco, CA and surrounding areas. (628) 895-9470
Sloping yards and sliding soil are a fact of life on San Francisco hillsides. We build poured concrete retaining walls with proper drainage so your yard holds its shape through every rainy season - and for decades beyond.
Concrete retaining walls in San Francisco hold back soil on sloped residential lots, preventing erosion and slope movement - most jobs take two days to two weeks on-site depending on wall height, site access, and how much excavation is required, with additional weeks for permit approval before work can begin.
San Francisco is built on hills, and a large share of the city's residential lots slope sharply enough that a retaining wall is not a luxury - it is the thing standing between a usable yard and a sliding hillside. The project starts with excavation and a solid base, moves to forming and pouring the concrete, and critically includes installing drainage behind the wall. That drainage step is what separates a wall that lasts 50 years from one that leans and fails within a decade. If your retaining project connects to a patio or step area, we also handle concrete floor installation so the work can be coordinated in a single visit.
San Francisco requires a building permit for retaining walls above a certain height, and properties in geologic hazard zones may also need a soils report before the city issues that permit. We handle the permit application and coordinate with inspectors so you are not managing the Department of Building Inspection on your own.
If soil piles up at the bottom of a slope in your yard after a rainstorm, or your garden beds are slowly losing their shape, the hillside is moving. San Francisco's wet winters accelerate this process - what starts as minor erosion can become a significant problem within a few seasons.
A retaining wall that tilts even slightly toward the downhill side is under stress it was not designed to handle. Horizontal cracks running across the face of a wall are a warning sign the wall is starting to bow. This is not a cosmetic issue, and it tends to get worse, not better, on its own.
If water collects and sits at the bottom of a sloped area after rain, the soil above is not draining properly. Over time, that saturated soil becomes much heavier and puts enormous pressure on anything holding it back - including an aging wall or a slope with no wall at all.
If you want to create a flat usable area on a sloped San Francisco lot, a retaining wall is almost always part of the solution. Without one, any flat area you build will gradually shift as the soil beneath it moves - especially through the rainy season.
We build poured concrete retaining walls for residential properties across San Francisco and the Bay Area. Every wall project includes site excavation, base preparation, concrete forming and pouring, drainage gravel and pipe installation behind the wall, backfill, and cleanup. Drainage behind the wall is not optional - it is built into every project because water pressure is the primary reason walls fail. If stairs are part of the yard plan, we also provide concrete steps construction so retaining walls and steps are designed to work together from the start.
For taller or more structurally complex walls, we coordinate with licensed engineers who review the design before we submit for permits - this is required in San Francisco for walls above a certain height and for properties in geologic hazard zones. We handle that coordination for you so the permitting process does not stall your project. Properties with difficult site access - narrow gates, steep stairs, no vehicle entry to the rear yard - are not unusual for us. We plan material delivery and labor accordingly before work begins.
Suits homeowners on sloped SF lots who need to stop erosion, create flat space, or protect their foundation from runoff.
For properties where water management is the primary concern - includes gravel backfill and perforated drain pipe behind the wall.
Walls over four feet require engineer review and city permits - we coordinate both and build to the approved design.
Combines wall construction with concrete steps for hillside lots where you need both soil retention and yard access.
San Francisco's hillside terrain is not a background detail - it is the defining feature of most residential lots in the city. Steep grades, clay-heavy soils that swell when wet and shrink when dry, and a rainy season that runs from November through April all combine to put constant pressure on anything holding a slope in place. The San Francisco Planning Department maps geologic hazard zones across the city, and properties in those zones face additional permit requirements before a retaining wall can be built. A contractor who works in San Francisco regularly knows which zones require a soils report and what that process involves - this is not knowledge you want to discover for the first time mid-project.
The dry season is the right window to build, both because concrete cures better without rain and because excavation on steep hillsides is safer on dry ground. Homeowners in Richmond and Concord face similar hillside and clay soil conditions and often need the same combination of engineered drainage and properly permitted construction. We work across the Bay Area and understand local requirements in each jurisdiction before a project begins. The American Concrete Institute sets the professional standards we build to on every retaining wall project.
We respond within 1 business day. We will ask about your slope, yard access, and whether an existing wall is involved. No charge and no obligation at this stage.
We schedule a visit to walk the site with you. San Francisco lots vary significantly block to block - access, soil type, and slope all affect the price. You receive a written estimate covering labor, materials, permit fees, and drainage before you decide.
We submit the permit application to the San Francisco Department of Building Inspection and, if needed, coordinate with a licensed engineer for the soils review. Approval typically takes several weeks - we track it and schedule your start date once it is confirmed.
The crew excavates the site, sets a solid base, forms and pours the wall, and installs drainage gravel and pipe behind it. After the concrete cures, we backfill, clean up, and walk you through the finished wall before we leave.
Free on-site estimates. We handle permits, drainage, and engineer coordination. Respond within 1 business day.
(628) 895-9470We install drainage gravel and perforated pipe behind every wall we pour. This is the single biggest factor in how long a retaining wall lasts - and skipping it is the most common reason walls fail. It is not an add-on for us; it is standard.
San Francisco's Department of Building Inspection has detailed requirements for retaining walls, and properties in geologic hazard zones add another layer. We have navigated this process across the city and submit complete permit applications the first time to avoid delays.
Many San Francisco backyards have no vehicle access at all - no gate wide enough for equipment, no driveway to the rear. We plan every project around the actual site conditions, including properties that require hand labor for material staging and excavation.
Walls over a certain height or on difficult soil require a licensed engineer to review the design before the city issues a permit. We work with engineers regularly and coordinate that process for you so it does not add confusion or unexpected cost to your project.
Retaining walls are one of the most technically demanding concrete projects a homeowner can undertake in San Francisco - the slope, the soil, the drainage, and the permits all have to come together correctly. We bring the site experience and the process knowledge to get it done right the first time.
If your retaining wall project opens up space for an outdoor or indoor concrete floor, we handle both in a coordinated scope.
Learn MoreSteps paired with retaining walls are a natural combination on sloped SF lots - we design them together so both perform as a unit.
Learn MoreSan Francisco contractors fill their summer schedules fast - call or submit a request today and we will have an on-site estimate to you within the week.
