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Serving San Mateo, CA and surrounding areas. (650) 865-1809
Custom San Mateo Masonry and Concrete is a masonry contractor serving Millbrae, CA with retaining wall construction, foundation repair, and chimney repair on homes throughout the city. We have worked on the hillside properties west of El Camino Real and the flatter neighborhoods near the Millbrae BART station, and we pull permits directly from the City of Millbrae on every structural job.
Millbrae's hillside streets west of El Camino Real put real pressure on sloped lots every winter - saturated soil pushes hard against anything holding it back, and an aging wall without proper drainage will show it. Whether you need a new wall to stabilize a slope, replace one that has started leaning, or create usable flat space on a steep lot, our retaining wall construction team designs and builds for the wet-dry cycle here.
Most homes in Millbrae were built between the 1940s and 1970s, and their foundations have been through decades of seismic activity and the seasonal soil movement that comes with Bay Area clay. Diagonal cracks near door frames, sticking windows, or a crawl space that feels damp after rain are all signs the foundation deserves a closer look before another wet season arrives.
Older Millbrae homes - the ranch-style and split-level houses built on hillside lots in the 1950s and 1960s - often have brick chimneys that have never been professionally serviced. Living near SFO means more vibration than most neighborhoods experience, and even minor seismic events can open mortar joints at the crown where water gets in first. A chimney inspection before each rainy season is the most affordable way to stay ahead of the damage.
The marine fog that rolls in off the bay keeps brick and stone surfaces in Millbrae damp far longer than they would be in a drier climate, and that persistent moisture accelerates mortar breakdown between joints. Tuckpointing removes the deteriorated mortar and replaces it before water finds a path through the wall - on a home that is already 60 or 70 years old, this work is usually overdue long before it looks urgent.
Millbrae's high owner-occupancy rate means many homes have long-term owners who want original brick and stone features properly restored rather than patched or covered over. Whether it is an original garden wall, a stone planter, or a brick chimney face that has weathered 60 Bay Area winters, restoration work here requires matching materials and methods to what is already there.
Brick on Millbrae homes absorbs coastal moisture through the fog season and the rainy winter, then dries out hard during the four to five dry months - a cycle that chips faces off older bricks and opens gaps in mortar joints. Small brick repairs done on time prevent water from migrating behind the wall face, where damage to the structure underneath costs far more to fix than the surface repair would have.
Millbrae is a city where the terrain tells you a lot about what masonry work involves. West of El Camino Real, the residential streets climb into the hills on winding, often steep grades. Sloped lots mean retaining walls, driveways, and foundations take more lateral stress than flat-lot homes. The clay soils common throughout the Peninsula absorb water in winter and shrink in summer, and that seasonal movement is one of the leading causes of cracked mortar, leaning walls, and shifting foundations in homes built here in the postwar decades. Most of Millbrae's housing stock is 50 to 80 years old, which means these homes have been through many cycles of wet and dry seasons without the original masonry ever being professionally addressed.
Millbrae also sits between the San Andreas and Hayward fault zones, and seismic activity - even routine small tremors - loosens chimney mortar, cracks foundation walls, and shifts retaining walls over time. Homes close to San Francisco International Airport deal with additional vibration from overhead traffic that compounds what earthquakes start. A masonry contractor working in Millbrae needs to factor all of this into the diagnosis, not just treat what is visible on the surface.
Our crew works throughout Millbrae regularly, and we understand the local conditions that affect masonry work here. The hillside lots west of El Camino Real are a distinct job from the flatter properties near the Millbrae BART and Caltrain station. On a hillside lot, access is often tight, retaining walls need more robust drainage systems, and the grade affects how a foundation sits and drains. We approach each site based on what is actually there, not a template.
The residential neighborhoods east of El Camino Real tend to have smaller, flatter lots with homes built in tight proximity - masonry work on those properties requires care around shared fences and neighbor landscaping. The hill streets above, many of them winding through older ranch-style and split-level homes from the 1950s and 1960s, call for experience reading how a slope drains and what the soil below a wall is actually doing. Both sides of town are familiar to us.
We also serve neighboring San Bruno and Burlingame, so if you have neighbors or family in those cities who need masonry work, we are already working in the same corridor and familiar with the building stock and permit offices there.
Reach out by phone or through the contact form and we will schedule a visit within one business day. We come to your property to see the slope, soil, and access conditions before giving you any number - photos help but a walk-through tells us what they cannot.
After the site visit you receive a written estimate that breaks down labor, materials, and any permit costs. If the project requires a City of Millbrae building permit - which most structural masonry work does - we explain the timeline and handle the application so there are no surprises at the start of the job.
Our crew arrives on the agreed date, protects adjacent landscaping and fencing, and works through the project systematically. On hillside lots we pay particular attention to drainage during construction - the drainage system behind a retaining wall is what makes it last through Millbrae winters, and it has to be done right before backfill goes in.
When the work is done, we clean up the site and walk the finished project with you. If a permit was required, the city inspector visits and we coordinate the scheduling. You receive documentation that the work passed inspection - which matters when you refinance or sell your Millbrae home.
We serve homes across all of Millbrae - from the hillside streets above El Camino Real to the neighborhoods near the BART station. Call us or submit the form and we will get back to you within one business day.
(650) 865-1809Millbrae is a small city of about 23,000 people in San Mateo County, sitting between Burlingame to the south and San Francisco International Airport to the north. The city has two distinct sides: the flatter, denser neighborhoods east of El Camino Real, where condos and smaller lots cluster near the transit corridor, and the hillside residential streets west of El Camino Real, where single-family homes on sloped lots make up most of the housing stock. Nearly all of those hillside homes were built between the 1940s and 1970s - they are owner-occupied, well-maintained, and at an age where masonry features like chimneys, retaining walls, and brick garden walls are due for professional attention. The Millbrae BART and Caltrain station is the only stop in the Bay Area where both rail systems share a platform, making it one of the most-used transit hubs on the Peninsula - residents in every part of the city know it as a daily landmark.
The neighborhoods west of El Camino Real - winding streets like those around Murchison Drive and the Highlands area - have the kind of sloped lots and mature landscaping that make masonry work both more common and more technically demanding than in flatter suburbs. Retaining walls are a normal part of the landscape here, and many of the original ones built in the 1960s are reaching the end of their design life. If you are in Millbrae and have a wall that has started to lean, crack, or separate at the joints, it is worth addressing before the next rainy season. We also serve nearby San Bruno to the north, where hillside lots along the Skyline corridor present similar terrain challenges.
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Learn MoreWhether your project is a hillside retaining wall, a chimney repair, or a foundation that needs attention, we serve all of Millbrae and will get back to you within one business day.