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Unilock Construction in Sunnyvale, CA | Workshop Contractors
We install and repair Unilock sales & service segmental pavers, retaining walls, and driveway systems across Sunnyvale as an independent contractor. What makes our Unilock work different here is simple: we know this city’s soil. The old orchard-tract lots under 94086 and 94087 were never uniformly graded, so base prep has to account for clay, fill, and mid-century slab edges that a generic paver crew won’t catch. Call (844) 384-3361 to schedule a free estimate.
Why Sunnyvale Residents Choose Us for Unilock Service
Noel Figueroa started framing houses before he was old enough to rent a truck, and he’s carried that hands-on standard into every hardscape project we run in Sunnyvale. We’re not Unilock-authorized. We’re an independent general contractor, and that independence works for you: when a paver job fails, we tell you the truth about whether it’s the base, the slope, or the unit itself, because we’re not protecting a dealership relationship. We source genuine Unilock units and matching edge restraint, then build to the compaction and base specs Unilock publishes. On the clay-heavy lots across Sunnyvale, that’s the difference between a driveway that stays flat and one that heaves after the first wet winter. Our crews have reset enough Brussels Block and Town Hall jobs in 94087 to see the failure points before the first paver goes down.
Styles & brands we work with
Common Unilock Construction Problems We Solve in Sunnyvale
Most Unilock failures in this city come down to four or five repeat offenders. Here’s what we see, week after week:
- Base heave on orchard-tract fill. The 1950s bungalows in 94087 sit on old orchard soil, which means decomposed fill and clay pockets under the paving bed. When the fill wasn’t removed and recompacted before a paver drive went in, the first December – March rain cycle lifts and settles the field unevenly. We saw a Brussels Block driveway in 94087 where the border course sank two inches in six months because the original installer laid base over uncompacted orchard loam.
- Polymeric sand washout on Brussels Block faces. Brussels Block and Brussels Dimensional have clean, tight joints when set correctly, but if a new driveway has no positive slope away from the garage, winter rain pools and washes the jointing sand clean out. Within a season the joints open up, weeds get in, and the blocks start to shift. That’s a base-slope problem, not a paver problem.
- Edge chipping from construction traffic. Sunnyvale’s teardown-and-rebuild economy means dumpsters, material deliveries, and heavy equipment crossing recently laid hardscape. We’ve been called out to patios with spalled edges because a two-story rebuild down the block borrowed a neighbor’s driveway for staging before the full compaction cure. The fix is resetting the edge course and adding a restraint depth that takes the load.
- Retaining wall creep on tight infill lots. Estate Wall and Town Hall courses start to bulge when the geogrid gets omitted, which happens more often than it should when a contractor is trying to squeeze a wall inside a three-foot property-line setback. In 94086, where infill builds push right up against older homes, a bulging retaining wall is a neighbor-relations issue as much as a structural one.
- Slab-edge conflicts on 1950s driveways. When an existing mid-century concrete drive is the base for a new Unilock field, the slab edge rarely sits level. The old slab drains toward the house or the neighbors, and laying pavers on top without correcting the slope just pours new pavers over an old drainage failure. That’s the most common reason a “new” driveway looks ten years old after one winter.
Unilock Service in Sunnyvale: What Local Conditions Mean for Your Equipment
Sunnyvale’s old orchard tracts in 94087 create a specific paving condition that you don’t see in Unilock in Mountain View or Cupertino. Those post-war lots were graded at orchard-build, not residential-build. So when we cut a paver base for a new driveway or patio, we’re often excavating right up against a mid-century slab foundation. We hand-verify the existing slab edge and the soil interface before excavation starts, because the slab edge is frequently higher or lower than the adjacent yard by an inch or two, and that dictates where water will pool. In a city where lots were uniformly graded at build-out, you skip this step. In Sunnyvale, you skip it at your own risk. We learned this on an orchard-era lot in 94087 where a cracked concrete driveway was torn out and replaced with Unilock Brussels Block. The first winter rain pooled against the garage door because the old slab edge sat higher than the neighbors’ yard. We pulled the border course, corrected the base slope with compacted aggregate, re-laid the units, and added a paver drain channel. The next wet season ran off clean. Build it right the first time. The second time costs twice as much and nobody’s happy about it.
Unilock Models & Products We Service in Sunnyvale
We work across the full Unilock paver and wall lineup that makes sense for Sunnyvale lots. For driveways, that’s Brussels Block and Brussels Dimensional Stone, which carry the vehicle loads a two-car driveway on a 1950s parcel demands. For patios and walkways, we set Beacon Hill Flagstone and the Onyx family. For retaining walls, we install Town Hall and Estate Wall systems with the Lineo/Industria block family for low walls and seat walls. On parts, we buy genuine Unilock units, genuine edge restraint, and matching wall connectors so the system stays true to spec. The aftermarket we do use is limited to geotextile, base aggregate, and polymeric sand where Unilock’s published spec allows substitutions. On most hardscape failures, honest advice is repair the base and reset the units rather than replace the whole field. Pavers are individually replaceable. Full rip-out only makes sense when the subgrade itself is wrong.
See the difference
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AfterUnilock Service Pricing in Sunnyvale
Every Sunnyvale paver job is priced by the square foot of base work, the unit selection, and what we find underground after the first excavation. Here are the ranges we quote most often in this city:
| Service | Typical Range in Sunnyvale |
|---|---|
| Paver Driveway Installation | $7,000 – $18,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Driveway Replacement | $5,000 – $14,000 |
| Concrete Driveway Installation | $4,500 – $12,000 |
What drives the cost most is what’s under the surface. On a 94087 orchard lot where the fill hasn’t been touched since the 1950s, the base work takes longer and costs more than it would on a 94085 infill site with recent utility trenching. That’s the honest math. Call (844) 384-3361 for a free estimate that includes a written line-item breakdown, and we’ll tell you exactly what your subgrade needs before a single paver gets ordered.
Serving Sunnyvale, CA — Our Local Coverage Area
We’re based in the Sunnyvale service area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Unilock Construction in Sunnyvale
Technically yes, but we rarely recommend it. The old mid-century slabs in 94086 drain toward the house or hold water at the slab edge, and laying pavers over that just replicates the drainage failure in a nicer material. The right fix is removing the concrete, correcting the grade, compacting a proper aggregate base, and setting the pavers with the correct slope. Sometimes the old slab can stay as a base layer if it’s structurally intact and we can saw-cut and adjust the edges. We’ll tell you which applies after we put a level on it. Call (844) 384-3361 to schedule a free evaluation.
We stay off the line. By code and by common sense, a retaining wall in Sunnyvale needs a setback from the property line, and when a three-foot setback squeezes the wall, we don’t just delete the geogrid to make it fit. We redesign the wall so the base width, grid depth, and drainage all work inside the legal envelope. On the orchard-tract lots in 94087, that often means stepping the wall or using Block connectors that allow a tighter footprint without sacrificing stability. We’ve fixed too many Estate Wall crevices where the original installer skipped the grid because the setback was tight. Call (844) 384-3361 for an exact structural answer on your lot.
Yes, if the base and slope aren’t right. Sunnyvale’s Mediterranean climate means dry summers and then a hard December – March rain stretch that saturates clay fill and exposes every slope error. New pavers don’t fail from the rain itself. They fail because the base wasn’t compacted for wet-clay conditions, or the surface slope doesn’t carry water away from the garage door. We correct both before the first paver goes down. Call (844) 384-3361 and we’ll walk the grade with you before you spend a dollar.
Brussels Block is a tumbled, old-world style with textured faces and wider color variation. Beacon Hill Flagstone is a flagstone-pattern paver with more jagged, irregular edges in the pattern. For Sonoma County patios, both hold up. Brussels Block reads more classic European, and the tumbled texture hides winter rain splatter better. Beacon Hill reads more natural California. The bigger decision for Sunnyvale is the base underneath either one, because the clay under this city doesn’t care what pattern you choose.
Under Valley Water and city grading rules, any project that moves dirt in a way that changes where water flows can trigger a grading review. That includes retaining walls over a certain height and driveway replacements that alter the slope toward the street or a neighbor. In most cases, our work comes in under the threshold where a grading permit is required, but we check before we dig. Call (844) 384-3361 and we’ll tell you exactly what your project triggers.
Service Areas Near Sunnyvale
Our crews run Unilock work up and down the Peninsula and into the South Bay. We regularly serve Woodcrest, Cupertino, Mountain View, Unilock in Santa Clara, and the 94087 orchard tracts that still carry the original 1950s lot lines. If you’re in a neighboring city with the same clay-and-fill conditions, we’re close by.
Book Your Unilock Service in Sunnyvale Today
If you’ve got a Sunburst paver project that needs a local set of eyes, call us at (844) 384-3361. We’ll walk the site, check the base, and give you a free estimate in writing. We install Unilock driveways, patios, and walls across Sunnyvale year-round, rain or shine.
Written by Noel Figueroa, Owner and General Contractor at Workshop Contractors, serving Sunnyvale and the greater Bay Area since 2008.