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Unilock Construction in San Carlos, CA | Workshop Contractors
We provide independent Unilock paver installation, repair, and base reconstruction across San Carlos, CA. The thing that separates our Unilock work here: we treat the hillside grade and drainage as the actual project, not an afterthought to laying pavers. If you’re on a sloped lot west of Alameda de las Pulgas and your Unilock patio or driveway has started shifting, call (844) 384-3361. We’ll tell you what’s actually happening under the pavers.
Why San Carlos Residents Choose Us for Unilock Service
We’ve installed and repaired Unilock hardscape systems across the Peninsula for years, from tight downtown lots near Laurel Street to steep hillside properties climbing west of Alameda de las Pulgas. We’re an independent contractor, not an Unilock dealer or authorized installer, which means we specify the right Unilock system for the site and grade rather than what a manufacturer rep is pushing this quarter. Noel Figueroa runs our crew, and he learned early that base prep is where paver jobs live or die. Build it right the first time. The second time costs twice as much and nobody’s happy about it.
We source, we install. Material selection and labor stay under one roof, so if the base fails, there’s no finger-pointing between a paver supplier and a separate installer. It’s our call, our fix, our warranty. For a city where half the hardscape work sits on expansive clay, that accountability matters.
Styles & brands we work with







Common Unilock Construction Problems We Solve in San Carlos
- Heaving and settlement from expansive clay. Unilock pavers themselves hold up remarkably well. It’s the crushed-aggregate base that fails when San Carlos hillside clay swells through a wet winter and shrinks through the dry season. We see this most often on properties west of Alameda de las Pulgas, where old fill and clay are the default subgrade.
- Efflorescence and joint-sand loss on sloped driveways. Where a San Carlos driveway pitches toward the house instead of away, runoff strips polymeric joint sand and leaves white mineral streaks on darker pavers. The fix is always drainage first, re-sanding second.
- Joint creep and edge separation at the base of slopes. When a Unilock wall or patio edge was set without geogrid or a concrete collar on a grade, pavers migrate downhill over two or three wet seasons. We rebuild the edge properly, then re-lay the pavers.
- Color loss and chipping from aggressive pressure-washing. San Carlos dry-season dust builds up on tumbled Unilock lines like Brussels Block, and homeowners hit them hard with a power washer. We see chipped faces and faded color every summer. We can clean and re-sand without destroying the paver surface.
- Base washout after the first atmospheric river. A dry-season build without proper erosion control or drainage can lose its base in one storm. We rebuild with compacted aggregate, geogrid where needed, and slope-away grading so water never sits under the pavers.
Unilock Service in San Carlos: What Local Conditions Mean for Your Installation
On the hillside streets west of Alameda de las Pulgas, contractors routinely hit expansive clay and old fill. That means engineered retaining, pier foundations, and geotech reports are baked into almost every project here. A Unilock paver patio or driveway on that grade lives or dies by base preparation and drainage, not the paver itself. We’ve torn out plenty of failed paver jobs in Redwood City and San Carlos where the old base was a thin layer of crushed rock over raw clay, holding water and pumping it toward the house. In those cases, the paver brand never mattered. The base did. That’s the real difference between a Unilock install that lasts fifteen years here and one that fails before the second winter.
Unilock Models & Products We Service in San Carlos
We install and repair the full range of Unilock hardscape systems, including Brussels Block (tumbled, dimensional), Beacon Hill (flagstone-style), Town Hall (random-tumbled), and Seneca (permeable/structural). For repairs, we source genuine Unilock pavers and matching restraint and edge systems so the surface profile stays compatible. We use quality compatible polymeric joint sand rather than whatever’s cheapest on the shelf. Unilock systems rarely need full replacement. Honest repair is usually new base prep, re-laying the existing pavers, and re-sanding. That’s what we do most days in San Carlos.
See the difference
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AfterUnilock Service Pricing in San Carlos
| Service | Price Range |
|---|---|
| Paver Driveway Installation | $7,000 – $18,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Concrete Driveway Installation | $4,500 – $12,000 |
What drives the cost in San Carlos is site access and grading. A hillside driveway with a steep pitch and clay subgrade takes more excavation, more aggregate, and more geogrid than a flat downtown lot. A free estimate includes a look at the grade, drainage, and base condition. Call (844) 384-3361 to schedule one.
Serving San Carlos, CA — Our Local Coverage Area
We’re based in the San Carlos area and know this community well, including Emerald Lake Hills. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Unilock Construction in San Carlos
The pavers aren’t the problem. San Carlos hillside lots sit on expansive clay that swells when wet and shrinks when dry. If the base underneath wasn’t excavated deep enough, compacted properly, and drained away from the structure, the whole surface moves with the clay. We fix it by re-excavating to a proper depth, laying compacted aggregate with geogrid on steeper grades, and grading drainage away from the house. Call (844) 384-3361 and we’ll assess your specific grade.
Most paver patios on flat ground don’t need a permit in San Carlos, but retaining walls over a certain height and any work that affects drainage or slopes typically does. Hillside projects west of Alameda de las Pulgas often trigger geotech review. We handle that conversation with the city so you don’t have to guess. Call (844) 384-3361 and we’ll tell you what your project actually requires.
Yes, and in most San Carlos cases that’s the smarter move. Unilock pavers are built to last. If they’re heaving, creeping, or losing joint sand, the base and edge restraints are usually the failure point. We pull the pavers, rebuild the base and edges properly, then re-set the same pavers with fresh polymeric sand. You save the material cost. Call (844) 384-3361 for a site evaluation.
Brussels Block handles slope well because its tumbled dimensional shape locks together under load. For a steeper driveway with drainage concerns, Seneca’s permeable design lets water pass through rather than sheet toward the house. The right answer depends on your pitch, subgrade, and how much water moves across the site. We’ll recommend the line that matches your conditions, not the one we have sitting in inventory. Call (844) 384-3361 to talk through it.
In San Carlos, the dry season is long but the winter storms hit hard. If a paver base is installed during the dry months without proper compaction and drainage, the first atmospheric river can wash out the base and leave pavers floating. We schedule excavation and base work with the drainage plan in place from day one, so the finished surface sheds water cleanly. Call (844) 384-3361 and we’ll walk your property during the dry season or before the next storm.
Service Areas Near San Carlos
Beyond San Carlos, our Unilock crews work across the Peninsula and up the Bay. We regularly handle paver driveways and patios in Unilock service in Redwood Shores, Unilock service in Belmont, plus parts of Woodcrest and other nearby Peninsula communities. If you’re close to San Carlos, we’re likely already working in your neighborhood.
Book Your Unilock Service in San Carlos Today
If your Unilock pavers are shifting, washing out, or just looking tired, we’ll come out and assess the grade, base, and drainage. Call (844) 384-3361 to schedule your free estimate. We’ll show you what’s actually happening and what it’ll take to fix it right.
Written by Noel Figueroa, Owner at Workshop Contractors, serving San Carlos and the Peninsula.