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Unilock Construction in Cupertino, CA | Viceroy Construction
We install and repair Unilock paver systems across Cupertino, from Brussels Block driveways on flat ranch parcels to Piso retaining walls on sloped Eichler lots. As an independent installer, we work to Unilock’s published installation specs and our own engineered base details, which is what keeps pavers flat through Cupertino’s wet winters and dry summers. Call (877) 358-6557 for a free estimate on your Unilock project.
Why Cupertino Residents Choose Us for Unilock Service
Unilock hardscape work in Cupertino is not a side trade for us, it’s a core part of what our crews handle every season. We know Brussels Block, Piso Wall, Beacon Hill Smooth, and Town Hall by their profile, their joint spacing, and how each one behaves when the subgrade gets wet. That matters because Cupertino’s clay-heavy valley soils don’t drain like the decomposed granite in the foothills. A base detail that works in Unilock service in Saratoga can turn into a birdbath here if it’s not built for moisture-active soil.
Neil Drummond, the owner at Viceroy Construction, trained in the building trades program at West Valley College in Saratoga and has spent decades watching what hardscape failures look like across the South Bay, from Unilock repair in Los Altos to the valley floor. The details you don’t see are the ones that matter most. That’s why our crews spec geotextile, washed aggregate, and proper edge restraints on every Unilock install, not just the ones where the inspector is watching.
If you’ve been through a paver project that settled, spread, or lost joint sand, you already know what a skipped base looks like. We don’t repeat that work. We’re local to Cupertino’s 95014 and 95015 ZIP codes, and we carry Unilock’s current product line in our service inventory so repairs don’t sit waiting on a truck from the distributor.
Styles & brands we work with
Common Unilock Construction Problems We Solve in Cupertino
- Birdbaths and low spots in Brussels Block driveways. Cupertino’s expansive clay soils hold moisture and shift with the seasons. When a base was built without enough aggregate depth or compaction, the pavers settle unevenly and puddle after rain. We pull the field, rebuild the base to our spec, and re-set the same units when they’re sound.
- Rutting and joint sand loss along tire paths. Winter rain saturating base course before it’s compacted leaves voids under driveway pavers. You see two sunken tracks where the car wheels run, not uniform settlement. This is a base failure, not a paver failure, and re-laying over it would repeat the problem in two seasons.
- Bulging or weeping Piso retaining walls on sloped lots. Cupertino hillside drainage runs toward the house on many Eichler and ranch-plus-addition parcels. When a Piso Wall goes in without geogrid reinforcement and a proper drainage column behind the block, hydrostatic pressure pushes the wall out and minerals leach through as efflorescence.
- Spreading pavers and loose edge restraints around mature trees. Cupertino’s heritage-tree ordinance often forces narrow equipment access along root-protection zones. Corners get hand-compacted without enough confinement, edge restraints loosen, and pavers spread at patio and driveway edges. We design around the root zone rather than pretending it’s not there.
- Color and profile mismatches from aftermarket repairs. A previous repair using a generic paver or a mismatched Unilock line leaves a patch that stands out. We source Unilock’s own matching units, caps, and edge restraints so the repair blends with the existing field. If the color is discontinued, we find the closest current line and tell you honestly what to expect.
Unilock Service in Cupertino: What Local Conditions Mean for Your Equipment
Here’s the thing most hardscape contractors don’t account for in Cupertino: the city’s protected-heritage tree ordinance can hold up a permit until an arborist report and tree-protection fencing are in place, and those root-protection zones physically shrink the area where we can excavate and compact. That constraint doesn’t shape hardscape work in newer subdivisions to the south, where the lots are bare and the equipment moves freely. On a ranch-plus-addition remodel off a mature-canopy Cupertino street, our client wanted a Brussels Block driveway apron replacing cracked concrete. The arborist’s root-protection zone cut the usable excavation width by several feet. We pulled the base back to a geogrid-reinforced, geotextile-lined section, hand-compacted the strip along the tree fence, and set the Unilock units with a tight edge restraint. The apron has held flat through two wet winters while the tree stayed undisturbed. If we had spread that base with standard equipment and ignored the tree zone, the edge would have failed within a year.
Unilock Models & Products We Service in Cupertino
We install and repair all four of the main Unilock lines and their accessories: Brussels Block tumbled pavers for driveways and walkway aprons, Piso Wall segmental retaining units for grade changes, Beacon Hill Smooth slab pavers for modern patios, and Town Hall for entry courts and borders. We stock matching caps, edge restraints, and joint sand locally so most Cupertino repairs move without waiting on a special order. For OEM parts, we order directly from the same channel every Unilock installer in the Bay Area uses. For aftermarket parts, we don’t use them. A mismatched cap or edge restraint on a visible line like Town Hall reads as a mistake the moment anyone looks at it. If a unit is discontinued, we match color and profile as closely as the current line allows and show you a sample before we set it.
See the difference
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AfterUnilock Service Pricing in Cupertino
These are the typical ranges for Unilock hardscape work in the Cupertino market. The spread depends on square footage, base conditions, tree-protection constraints, and whether we’re saving or re-laying existing units.
| Service | Typical Range |
|---|---|
| Paver Driveway Installation | $7,000 – $18,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Driveway Replacement | $5,000 – $14,000 |
| Driveway Sealing | $250 – $700 |
What drives the cost in Cupertino specifically is base depth and access. A flat ranch lot with room for a plate compactor runs lower. An Eichler lot with a heritage tree and a tight side yard means hand compaction and more geogrid, and the estimate reflects that. Every estimate is free and line-itemed so you can see exactly what you’re paying for. Call (877) 358-6557 to schedule yours.
Serving Cupertino, CA — Our Local Coverage Area
We’re based in the Cupertino area and know this community well, and we also handle Unilock in Sunnyvale. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Unilock Construction in Cupertino
Because the failure is almost always in the base, not the paver. Cupertino’s expansive clay soils hold moisture and move with the seasons, and an under-built or poorly compacted base settles unevenly under that movement. The pavers ride that settlement like a rug over a soft floor. When we see this, we recommend pulling the base and rebuilding it rather than re-laying over it. Sound Unilock units can usually be saved and re-set. Call (877) 358-6557 and we’ll tell you what’s going on under your pavers before anything gets quoted.
Yes, and it affects the work physically, not just the permit. When an arborist report and tree-protection fencing are required, the root-protection zone limits where we can excavate and how equipment can move. We plan paver layouts around those zones, compact by hand where machines can’t fit, and reinforce the base along the restricted edge. Skipping that step is why patios and driveways spread at the edges on mature-canopy Cupertino lots.
In most cases, yes. We source Unilock’s current matching units and caps first. If the original color has been discontinued, we find the closest line in the current catalog and set a sample so you can see the match in daylight before we commit. We never mix aftermarket units into a Unilock field; the color and profile differences always show.
They are, when they’re built correctly. Piso Wall is a solid segmental retaining system, but Cupertino hillside drainage runs toward the house on many sloped parcels. Without geogrid reinforcement and a proper drainage column behind the block, hydrostatic pressure will bulge the wall or push efflorescence through. We spec both on every Piso install on a grade.
A paver driveway in Cupertino typically runs $7,000 to $18,000, while concrete pours run $4,500 to $12,000. Pavers cost more upfront but they don’t crack the way slab does on expansive clay, and individual Unilock units can be lifted and re-set for repairs. Concrete cracks and gets replaced. If you’re deciding between the two, call (877) 358-6557 for a line-itemed estimate on both options.
Service Areas Near Cupertino
We provide Unilock service across the West Valley and the South Bay. In addition to Cupertino service area coverage in 95014 and 95015, we work in Saratoga, Monte Sereno, Los Gatos, and up toward the Cambrian Park and Campbell neighborhoods. For hardscape work on those edges, see our Unilock service in Campbell page or the Unilock service in Cambrian Park page. If you’re looking at Unilock product options first, our Unilock sales & service page covers the line in more detail.
Book Your Unilock Service in Cupertino Today
If your Unilock pavers are settling, spreading, or losing joint sand, don’t wait for another winter to make it worse. Call (877) 358-6557 to schedule a free estimate. We’ll walk the site, tell you what’s actually happening under the surface, and give you a written, line-itemed quote.
Written by Neil Drummond, Owner at Viceroy Construction, serving Cupertino, Saratoga, Unilock repair in Loyola, and the South Bay.