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Unilock Construction in Belmont, CA | Daly City Construction
We install and repair Unilock pavers, driveways, patios, and retaining walls throughout Belmont as a Belmont General Contractor. Our Unilock work here starts differently than it does in flatland Peninsula cities: on Belmont’s hillside lots, the retaining wall, drainage plane, and benched base come before the paver finish, because that’s what the slope demands before anything gets permitted. If you’re pricing a paver driveway, patio, or wall on the hillside streets off Ralston or San Juan grade, call (866) 505-5254 for a free estimate from a crew that builds to Unilock’s published specs without claiming any manufacturer authorization or warranty endorsement.

Why Belmont Residents Choose Us for Unilock Service
Noel Cabrera grew up in the Westlake district of Daly City, where he spent summers watching his uncle re-frame a garage. That led to years of hands-on residential and light commercial work across San Mateo County, and today we bring that same practical eye to every San Mateo Unilock service and Unilock installation in Belmont. We know Brussels Block, Beacon Hill, Town Hall, and the Unilock Estate Wall and Rivercrest Wall retaining systems the way a mechanic knows an engine, not the way a showroom brochure lists colors.
We’re an independent Unilock service provider, which means we’re free to tell a Belmont homeowner the truth: sometimes your base is the problem, not the paver. We match genuine Unilock block, edge restraints, joint sand, and geogrid instead of mixing in off-brand pieces that won’t color-match an existing field. And because we also do full-scope general contracting, we can tie a Unilock patio or wall into the broader site work, drainage, or structural changes your hillside lot actually needs, similar to our Highlands-Baywood Park Unilock service. For Belmont’s 94002 homes, that’s the difference between a paver job that photographs well and one that holds through five winters of foothill runoff.
Styles & brands we work with







Common Unilock Construction Problems We Solve in Belmont
- Base failure on sloped driveways. When an engineered aggregate base isn’t benched into the grade, pavers shift and settle as soon as runoff concentrates downslope. We see this constantly on hillside streets off Ralston, where the original driveway was laid flat instead of cut into the slope.
- Joint-sand washout after foothill storms. Belmont’s winter rain sheets across patios that were laid with inadequate slope or drainage. Pavers spall or heave at the edges, and the real fix usually means correcting the drainage, not just re-sanding and hoping.
- Wall block settlement and bulging. Retaining walls on Belmont slope lots need proper geogrid reinforcement and a drainage plane behind the block. Without them, walls lean and bulge within a few seasons, and the damage migrates into the patio or driveway above.
- Efflorescence and freeze-thaw surface wear. Older Brussels Block installs with years of neglected sealing show white mineral deposits and surface flaking. It’s cosmetic on the surface but often signals deeper moisture movement we want to trace.
- Edge restraint failure. When edge restraints are undersized or omitted on a Belmont hillside patio, the outer row of pavers drifts outward under repeated wet-dry cycles, opening gaps that then get worse with every storm.
Unilock Service in Belmont: What Local Conditions Mean for Your Equipment
Belmont’s construction market is shaped by a Peninsula hillside suburb whose lots push up into the Santa Cruz Mountains foothills. The flat corridor along El Camino and around 94th looks nothing like the slope-side homes above Ralston, and almost every addition or rebuild on those upper streets collides with hillside and slope ordinances, wildfire-interface overlays, and creek-protection requirements rather than simple flat-lot permitting. For Unilock work, that means an engineered retaining wall and a slope-drainage plan are frequently the first documents we discuss, not an afterthought. A paver driveway off the San Juan grade without a benched base and proper drainage will fail in the first wet winter, full stop. And a patio built where water sheets toward the foundation will push that water under the house’s slab edge or down the garage wall if we don’t intercept it first. On a hillside lot off the San Juan grade, our crew rebuilt a failing Brussels Block driveway where the original base had been laid flat instead of benched into the slope, so pavers had heaved and washed out after winter runoff. We excavated to an engineered aggregate base, added drainage and edge restraint, and relayed the block with fresh joint sand, then tied it into a short Unilock retaining wall at the toe of the slope so water now sheets away from the foundation instead of pooling at the garage.
Unilock Models & Products We Service in Belmont
We work on the full residential Unilock range: Brussels Block and Beacon Hill for driveways and walkways, Town Hall for larger paver fields, and the Estate Wall and Rivercrest Wall systems for retaining and seat walls. On repair jobs, we use genuine Unilock block and wall components, matched to your existing field for color and dimension. If the base or drainage has failed, we fix that first and repair the field rather than selling a full tear-out. For Belmont turnaround, we keep standard edge restraints, joint sand, and base aggregate sourced locally, so most repair jobs don’t wait on a special order unless you’re matching an older color blend.
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AfterUnilock Service Pricing in Belmont
Belmont pricing for Unilock work tracks the usual Peninsula labor and material costs, with one local exception: hillside access and the engineered base, drainage, and wall work required before pavers go down can add meaningful cost compared to a flat Subdivision lot. The ranges below reflect what we see across Belmont’s 94002 homes.
| Service | Typical Range |
|---|---|
| Paver Driveway Installation | $7,000 – $18,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Driveway Replacement | $5,000 – $14,000 |
| Home Addition | $45,000 – $130,000 |
Your free estimate includes a walk-through of the base, drainage, and wall condition, not just a surface measure. Call (866) 505-5254 for an exact quote on your project.

Serving Belmont, CA — Our Local Coverage Area
We’re based in the Belmont area and know this community well, just as we know the San Carlos Unilock service area. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Unilock Construction in Belmont
In most cases on the slope-side streets above Ralston and the San Juan grade, yes. Belmont’s hillside ordinances require a geotechnical review and often an engineered retaining wall with geogrid reinforcement before driveway or patio work gets permitted, and skipping that step means the paver field sits on an unstable, eroding grade. Call (866) 505-5254 and we can walk you through what your specific lot will trigger.
The usual culprit is a base that was laid flat instead of benched into the slope, so concentrated runoff undercuts the aggregate and lets pavers heave and settle. We fix the base and drainage first, then repair the paver field with matching Unilock block rather than selling a full tear-out.
Yes, we match genuine Brussels Block by color blend and dimension from the existing field, so the repair doesn’t read as a patch. If your lot is pushing water through the old section, we’ll talk about drainage correction before we relay block, because a color-matched patch on a failed base won’t last. Call (866) 505-5254 for a straight read on your existing install.
We slope the paver field away from the foundation and add a drainage plane and edge restraint at the toe of the slope, often tying the patio into a short Unilock retaining wall or channel drain that redirects runoff. On Belmont hillside lots, this is standard practice, not an upgrade.
It depends on the wall’s condition, not on a fixed rule. If the geogrid is intact and the drainage is sound, targeted repair of cracked or shifted block often works; if the wall is bulging because there’s no geogrid or drainage plane behind it, the honest answer is a rebuild, and we’ll show you why. Call (866) 505-5254 for an assessment of your wall before you spend money on patches.
Service Areas Near Belmont
Our Unilock crews cover Belmont and the surrounding Peninsula. We also serve Unilock sales & service clients across the mid-Peninsula, and our Belmont service area includes hillside and flatland properties off El Camino and Ralston. For homeowners further north, we offer Unilock service in Redwood Shores, and on the coast, Unilock service in Half Moon Bay.
Book Your Unilock Service in Belmont Today
Get a free estimate on your Unilock paver, patio, or retaining wall project in Belmont. Call (866) 505-5254 and we’ll schedule a site walk-through.
Written by Noel Cabrera, Owner at Daly City Construction, serving Belmont since the company’s first hillside retaining job taught us that water always wins if you don’t plan for it.