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Serving Santa Monica, CA and surrounding areas. (424) 322-4740
Sloped lots and shifting coastal soils need more than a quick fix. Get a properly engineered, fully permitted concrete retaining wall built to handle Santa Monica winters and seismic activity.
Concrete retaining walls in Santa Monica hold back soil on sloped or uneven lots so it does not slide, erode, or press into your yard, driveway, or foundation - most residential projects take two to five days from excavation to backfill, with walls over three feet requiring a city permit and often an engineer-stamped plan.
Most homeowners we hear from have a slope that has been slowly moving for years - after a fence starts leaning, a planting bed collapses, or soil washes down toward the house after heavy rain. Concrete retaining walls in Santa Monica are not a cosmetic upgrade; they solve a real structural problem before it gets more expensive. If you are also leveling the yard for a new patio or ADU, the wall is usually the first step in that project.
Good drainage is what separates a wall that lasts 50 years from one that fails in five. We include gravel backfill and drainage pipe on every job - not as an optional extra. If you are also thinking about a lower-level surface once the slope is stabilized, our concrete floor installation team can handle the next phase of your project.
If you notice soil on a slope gradually moving toward the lower end - especially after storms - the ground is not being held in place. In Santa Monica, many lots have terraced gardens or sloped rear yards where this slow movement is easy to dismiss as normal settling. It is not: left alone, it can undermine a fence, damage a patio, or push against your foundation.
A wall that is tilting away from the soil it holds, or that shows horizontal cracks running along its length, is under more pressure than it can handle. This is common in Santa Monica's older neighborhoods where walls built in the 1950s and 1960s often lacked adequate drainage. A leaning wall does not fix itself - the longer it waits, the more expensive the repair.
Standing water collecting at the bottom of a hillside or raised planting bed after winter storms means saturated soil has nowhere to drain. That waterlogged soil becomes much heavier and puts enormous pressure on whatever is holding it back. This is one of the clearest signs that a retaining wall with proper drainage is needed before the next rainy season.
If you want to add usable flat space to a sloped yard - for a patio, garage, or accessory dwelling unit - a retaining wall is almost always part of that project. Santa Monica has seen a surge in ADU construction, and many of those projects require grading and retaining work to create a level building pad. The wall often has to go in before anything else can.
We build cast-in-place concrete retaining walls for residential and commercial properties throughout Santa Monica and the Westside. Every wall starts with a proper footing - the right depth and dimensions for your specific soil conditions - and includes gravel backfill with drainage pipe or weep holes to manage water pressure behind the wall. For walls over three feet, we coordinate with a licensed structural engineer to produce the stamped drawings the city requires. Our concrete footings work is sized to the wall design and soil conditions, not a standard template.
Concrete retaining walls do not have to look industrial. We can form and finish the surface to match your home's exterior - smooth stucco coat, textured stone pattern, or a plain formed finish. In Santa Monica neighborhoods where HOA standards and the city's Architectural Review Board apply, we know what finishes tend to sail through approval. For decorative concrete surface work on other parts of your property, our concrete floor installation team handles adjacent flatwork once the wall is in.
The most common choice for residential retaining walls - strong, durable, and suitable for nearly any height and site condition.
Suits homeowners who need to hold a raised planting bed or define a grade change without a full engineered design.
For walls over three or four feet where the city requires a stamped engineering plan and seismic design review.
Works well in HOA neighborhoods or properties where the wall needs to complement the home's exterior finish and color palette.
Santa Monica sits on a mix of sandy coastal soils and older alluvial deposits that shift depending on moisture levels. When soil moves - especially after the concentrated winter rainfall between November and March - it puts uneven pressure on retaining walls. That is why we assess your specific soil conditions before designing any wall, rather than using a one-size-fits-all approach. The city also sits in a high seismic hazard zone, and walls over three feet tall must be engineered to handle lateral forces from ground movement, not just the everyday weight of soil behind them. The permit and engineering process adds time upfront, but it produces a wall actually built for where you live. The California Geologic Survey seismic hazard maps confirm why this step matters here.
We serve Santa Monica and the surrounding Westside, including homeowners in Culver City and Beverly Hills, where hillside lots, sloped rear yards, and HOA appearance requirements create similar retaining wall challenges. Wherever you are on the Westside, the same care around drainage, seismic design, and city permitting applies.
We respond within 1 business day and schedule a time to visit your property in person. We need to see the slope, assess the soil, and understand the access before giving you a real quote - phone estimates for retaining wall work are never accurate.
We measure the wall's length and height, review the soil conditions, and give you a written estimate that includes drainage, backfill, engineering (if required), and all permit fees. No line items get added after you sign.
For walls over three feet, we coordinate with a licensed engineer to prepare the stamped drawings the City of Santa Monica requires. We submit the permit application and track its progress - plan review typically takes two to four weeks.
Once the permit is approved, the crew excavates the footing, sets forms, pours the concrete, and installs gravel backfill with drainage pipe behind the wall. This drainage step is what keeps the wall performing through Santa Monica's rainy season.
Free on-site estimate. Written quote with permit fees included. We handle the city process start to finish.
(424) 322-4740Drainage behind a retaining wall is not optional - it is what keeps the wall standing through decades of Santa Monica winters. We include gravel backfill and a perforated drain pipe on every pour. A contractor who does not mention drainage in their quote is skipping the most important step.
Walls over three feet in Santa Monica require a building permit and city inspection. We handle the application, coordinate the engineer when required, and do not start digging until the permit is approved. Your wall is on record with the city - which protects you at resale. Verify any contractor at the California Contractors State License Board.
Santa Monica is in a high seismic hazard zone. Walls over three feet here must be designed to handle lateral forces from ground movement - not just the static weight of soil. We work with licensed engineers who understand local geologic conditions, not just standard retaining wall templates.
We work across Santa Monica and 11 surrounding service areas, from Beverly Hills to Culver City to Torrance. That range means we have handled the permit offices, soil conditions, and HOA requirements that show up on projects throughout this region - not just in a single city.
Every retaining wall we build is engineered for the actual soil and seismic conditions at your property, properly permitted through Santa Monica's Building and Safety Division, and drained so water pressure never builds up behind the wall. That combination is what makes a concrete retaining wall last for decades rather than years.
Once your lot is leveled and held in place, a new concrete floor gives any converted or expanded space a clean, durable foundation.
Learn moreProper footings are the starting point for any retaining wall project - we size and pour them to match your wall design and soil conditions.
Learn moreSanta Monica's wet season arrives in November - scheduling now gives you time for permits, engineering, and a full cure before the first heavy storms.