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Unilock Construction in San Mateo, CA | San Mateo Construction
We provide independent Unilock paver and wall installation across San Mateo, and the one thing that separates our work here is how we read the ground before we lay a single stone. Most Unilock failures in this city trace back to two forces: expansive clay on the hillsides west of El Camino Real and high water tables in the flatlands near the Bay. We design for both, every time. For a free estimate on your Unilock driveway, patio, or retaining wall, call (855) 901-7266.
Why San Mateo Residents Choose Us for Unilock Service
Unilock makes a solid product. We’ve worked with their Unilock sales & service lines long enough to know which pavers hold up in San Mateo’s specific conditions and which ones fight you. Brussels Block, Beacon Hill, the U-Cara wall system – we’ve installed them all on properties from the San Mateo hills to the eastern flats, and we’ve also torn out installations that failed because the base wasn’t built for the soil it sat on.
Noel Carrington, our owner, grew up in the Baywood neighborhood a few blocks from Coyote Point, pouring concrete footings with his father on weekends. That’s where he learned that the part of the job nobody sees is the part that matters. Since then, he’s spent three decades on residential and light commercial work across San Mateo County as a San Mateo General Contractor. When you call us about Unilock work in San Mateo, you’re talking to a team that knows exactly how your street drains, what your subgrade looks like, and where the clay starts.
Styles & brands we work with
Common Unilock Construction Problems We Solve in San Mateo
- Efflorescence and salt staining on north-facing paver surfaces. San Mateo’s fog belt keeps moisture parked on shaded walls and paved areas for months at a time. That persistent marine moisture pulls minerals through the paver body and leaves white chalky deposits at the surface. We clean and reseal, and in repeat cases, we address the drainage that’s feeding the moisture in the first place.
- Settlement and heaving in hillside driveways. Expansive clay soil west of El Camino Real swells when wet and shrinks when dry. Unilock pavers over an undersized base will shift, open joints, and create trip hazards within a few seasons. We rebuild with geogrid reinforcement and proper subgrade treatment.
- Joint sand erosion and weed growth on flatland patios. High water tables in the neighborhoods near the Bay push moisture up through the soil, which breaks down joint sand and invites weeds. We use Unilock’s polymeric sand and, where needed, add capillary breaks before we lay the base.
- Bulging or cracking retaining walls. Slope creep is a real force in San Mateo’s hillside neighborhoods. Walls that weren’t engineered for lateral soil pressure will rotate, bow, or crack at the block joints. We rebuild using Unilock’s wall connectors and proper geogrid tie-backs.
- Runoff pooling and paver displacement. San Mateo’s wet winters from November through March concentrate rainfall into short bursts. If the base doesn’t drain, water pools under pavers, washes out fines, and leaves sections that rock underfoot. We fix the slope, the drainage, and the base in that order.
Unilock Service in San Mateo: What Local Conditions Mean for Your Equipment
Here’s what a generic Unilock guide won’t tell you about San Mateo: the city is effectively built out, which means almost every paver job here is a repair, a replacement, or an infill project on an existing lot. That changes how we approach the work. In a new subdivision with clean soil, you can follow a standard base spec and move on. In San Mateo’s Aragon or Baywood neighborhoods, you’re often working around a 1950s house with old adobe clay, a narrow side yard that barely fits a wheelbarrow, and a planning department that wants to see the retaining wall engineering before you touch a shovel — a challenge we also handle with our Belmont Unilock service. The flatlands tell a different story. Properties near the Bay sit on fill with high groundwater, so we add moisture barriers and perforated drainage before the first layer of base goes down. Same Unilock pavers, two completely different build strategies a mile apart. If your contractor isn’t asking which side of El Camino you’re on, you have the wrong contractor.
Unilock Models & Products We Service in San Mateo
We install and repair the full Unilock range, with Brussels Block and Beacon Hill the two most common paver lines on San Mateo driveways and patios. For vertical work, we build with the U-Cara wall system, and when a homeowner wants a different texture or price point, we’ll show you a San Mateo service area comparison that includes Techo-Bloc alternatives. On the parts side, we use OEM Unilock components – their proprietary joint sand and wall connectors – when they’re the right choice. For base materials and standard pavers, we source high-quality aftermarket equivalents that meet or exceed spec. We’ll tell you when a repair – re-sanding, sealing, spot replacement – makes sense, and when a full rebuild is the only honest answer.
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AfterUnilock Service Pricing in San Mateo
Here’s what Unilock work costs in San Mateo as of 2026. These ranges reflect the labor, base prep, and drainage work that our local soils demand.
| Service | Price Range |
|---|---|
| Paver Driveway Installation | $7,000 – $18,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Driveway Sealing | $250 – $700 |
Your price depends on square footage, access, and what we find when we dig. Hillside jobs needing retaining walls or deep excavation run higher than flatland replacements. Every estimate includes a broken-out line item for base prep and drainage, so you know exactly what you’re paying for. Call (855) 901-7266 to schedule yours.
Serving San Mateo, CA — Our Local Coverage Area
We’re based in the San Mateo area and know this community well, and we also provide Foster City Unilock service. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Unilock Construction in San Mateo
Expansive clay swells when wet and shrinks when dry, which pushes pavers out of plane and opens joints. In hillside areas west of El Camino Real, we excavate deeper, install a geogrid-reinforced base, and treat the subgrade so the pavers stay level through wet winters and dry summers. Call (855) 901-7266 for an assessment of your specific lot.
Yes, if the base is built to account for it. High groundwater needs a capillary break and a proper drainage path before base and pavers go down. We recently rebuilt a failing Brussels Block driveway in the Highlands area where expansive clay had caused severe settlement, similar to Unilock repair in Hillsborough. After removing the old base, we installed a geogrid-reinforced section with dedicated drainage, then re-laid the pavers with Unilock’s polymeric sand. That driveway handles runoff now instead of fighting it.
Efflorescence happens when moisture moves through the paver and deposits salts on the surface. In San Mateo’s fog belt, north-facing surfaces never fully dry. We clean the staining, then address the moisture source – usually drainage against the paver edge or groundwater wicking up. Sealing alone won’t fix a water problem. Call (855) 901-7266 and we’ll tell you what’s actually causing yours.
Yes, for most walls over three feet, and sometimes shorter ones in hillside zones with slope creep concerns. San Mateo’s planning department reviews retaining wall engineering as part of any hillside permit package. We handle the drawings, the submittal, and the inspections. A wall that meets Unilock’s spec but not the city’s engineering requirements will fail inspection, and we don’t build those.
With correct base prep and drainage, 20 to 25 years or more. Without it, we’ve seen driveways fail in five. San Mateo’s wet winters and clay soils punish shortcuts. The pavers themselves aren’t the weak point – the base is. Call (855) 901-7266 to find out where your current driveway stands.
Service Areas Near San Mateo
Our Unilock crews work throughout San Mateo and the surrounding Bay Area communities. We install pavers, driveways, patios, and retaining walls in Burlingame, Highlands-Baywood Park, Foster City, Hillsborough, and Belmont. In fact, homeowners looking for Unilock service in Burlingame and Unilock service in Highlands-Baywood Park are a regular part of our schedule.
Book Your Unilock Service in San Mateo Today
Tell us what you actually need, and we’ll figure out the right way to build it. We’ll walk your lot, check the soil, and give you a written estimate with real numbers. Call (855) 901-7266 to schedule your free Unilock estimate in San Mateo.
Written by Noel Carrington, Owner at San Mateo Construction, serving San Mateo and the surrounding Bay Area.