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Unilock Construction in Cupertino, CA | Gold Star Contractors
We handle Unilock paver driveways, patios, retaining walls, and walkways for Cupertino homeowners doing home remodeling. What makes our Unilock work different here comes down to one thing: we’ve torn out enough ranch-era concrete and rebuilt bases on Santa Clara Valley clay to know when a paver field will fail before the first wet winter. Call (833) 382-8544 to schedule a free estimate.

As an independent contractor, we are not authorized or endorsed by Unilock. We do, however, know their product lines cold – Brussels Block, U-Cara, Beacon Hill, Seneca East. For Cupertino’s 95014 and 95015 lots, that matters more than a manufacturer stamp.
Why Cupertino Residents Choose Us for Unilock Service
Our angle is simple. We’ve installed Unilock hardscape systems on Cupertino lots for years – from ranches being gut-renovated to full teardown-rebuilds near Apple Park – so we understand how their pavers, retaining walls, and permeable systems behave in this specific soil and climate. Expansive clay, long dry summers, winter rainfall that pools on compacted ground. Those conditions punish shortcuts.
We use genuine Unilock pavers, wall units, caps, and anchoring accessories rather than lookalike concrete product, because the interlock geometry and color-lot consistency are what keep a field flat over decades. If a base or wall is failing, we tell owners honestly whether re-laying on a corrected base will save the existing Unilock units or whether replacement is the sounder call.
As a Cupertino General Contractor, Noel Carranza runs our crews with the same habit he picked up doing concrete and finish carpentry across Orange County: sequence the work so nothing gets torn out twice. On Cupertino jobs where design review adds weeks before a shovel hits the ground, that habit saves tears. One call, done right – that’s the only way we know how to run a job.
Styles & brands we work with







Common Unilock Construction Problems We Solve in Cupertino
Here’s what we see most often on Cupertino hardscape projects, and why:
- Efflorescence and polymeric sand loss on Brussels Block driveways and patios. This happens after the first wet winter when the base wasn’t compacted to engineered depth over expansive clay. Cupertino’s clay swells and shrinks with moisture, and a thin base lets the paver field move just enough to crack the sand joints. White mineral staining follows. We fix it by pulling the field, re-compacting the base to spec, and re-laying with fresh sand.
- U-Cara wall course settlement or face spalling on sloped lots. Where the geogrid and drainage gravel weren’t tied to the hillside grade, the wall section settles unevenly or the face units start flaking. We see this on the steeper Cupertino hillside parcels where old ranch homes sat against a slope. The fix requires digging back, regrading the drainage plane, and reinstalling the geogrid in lifts.
- Paver shifting and joint creep on driveways capped over failing concrete. A lot of Cupertino’s 1950s-1970s ranch slabs are cracked or sinking. Capping Unilock pavers over that instead of excavating means the field starts walking within a couple years. We pull the old slab out, build a proper aggregate base, and install edge restraint so the field stays put.
- Faded or chipped Unilock units after tree-root heave and irrigation overspray. Long dry summers mean sprinklers run constantly, and mature trees – many planted in the 1960s – send roots under patio fields that were never re-sanded. The result is raised, chipped, or discolored units. We can often lift and re-lay the affected area and re-sand the joints rather than replacing the whole patio.
- Pooling water on paver patios with no drainage plan. Cupertino lots with slab-on-grade ranches often have flat grade. When a patio goes in without a slight fall or a permeable base layer, winter rain puddles for days. We correct the grade and, where the city requires it, spec a permeable detail that manages runoff.
Unilock Service in Cupertino: What Local Conditions Mean for Your Equipment
Here’s something you won’t read on a generic Unilock page: Cupertino’s design-review and neighborhood-notification steps routinely add weeks before a shovel hits the ground. The city scrutinizes runoff on remodels, and neighbors get a formal say. So on paver driveway and patio projects, we sequence the base excavation and Unilock delivery only after planning sign-off. That avoids a pile of Brussels Block sitting on your front lawn for a month while the permit works its way through the system. It also means we spec permeable or properly drained base detail from the first drawing, because that’s exactly what Cupertino planning staff asks about. In the Serra Park and Monta Vista neighborhoods, where lots slope toward curbs and storm drains, we’ve had to revise drainage details before approval—experience we’ve also applied to Unilock repair in Los Altos. Better to get it right the first time.
On a teardown-rebuild lot near Apple Park, our crew replaced a cracked ranch-era concrete approach with a Brussels Block paver driveway, excavating the old slab and building a compacted aggregate base with edge restraint instead of capping over it. We tied the new field into the home addition’s front walk and re-sanded the joints, and the driveway has held flat through two wet seasons.
Unilock Models & Products We Service in Cupertino
We work across the core Unilock product lines: Brussels Block pavers, the U-Cara multi-face retaining wall system, Beacon Hill wall block, and Seneca East or comparable Unilock paver series. When we re-lay or expand a field, we match original units by color lot rather than swapping in generic concrete block. That’s the difference between a patio that looks patched and one that reads as intentional.
For Cupertino jobs, we keep a working inventory of commonly needed Unilock caps, edge restraints, and polymeric sand on hand. Special-order units usually arrive within a week to our Cupertino jobsites, so a repair rarely stalls on material lead time. For driveways and patios that are part of a larger Cupertino service area remodel, we coordinate the hardscape with the rest of the project scope so one crew owns the whole thing.

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AfterUnilock Service Pricing in Cupertino
Here are the line items we quote most often for Cupertino Unilock work. These ranges cover typical 95014 and 95015 residential lots; your exact number depends on field size, base condition, and whether we’re excavating old concrete or building from grade.
| Project | Cupertino Price Range |
|---|---|
| Paver Driveway Installation | $7,000 – $18,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Home Addition (with attached Unilock hardscape) | $45,000 – $130,000 |
The estimate is free, written, and line-itemed. We walk the site before quoting, because a Cupertino yard that looks flat on paper often isn’t. Call (833) 382-8544 to schedule a site walk.
Serving Cupertino, CA — Our Local Coverage Area
We’re based in the Cupertino area and know this community well, and we also provide Unilock service in Saratoga. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Unilock Construction in Cupertino
In most cases, no. Cupertino’s ranch-era slabs are often cracked, spalled, or insufficiently thick for the weight of a paver field without cracking the joint sand. Capping over that locks in the old slab’s failure and the new field starts moving within a couple years. We recommend excavation and a proper aggregate base. Call (833) 382-8544 and we’ll tell you straight whether your slab can stay or has to go.
Yes, it can. Cupertino’s design-review and neighborhood-notification steps routinely add weeks to projects that trigger review, especially when runoff or front-yard changes are involved. We sequence our excavation and Unilock delivery after planning sign-off so you’re not paying a crew to wait on paper. For an exact timeline, call (833) 382-8544 – we’ll pull the trigger once the permit’s in hand.
U-Cara is the system we typically recommend for sloped Cupertino parcels, assuming the geogrid and drainage gravel are tied correctly to the hillside grade. Beacon Hill works for shorter gravity walls. The wall type matters less than the base and drainage detail behind it. Call (833) 382-8544 and we’ll look at your grade.
Efflorescence appears when moisture moves through the paver and draws soluble salts to the surface. It’s cosmetic, but it’s a good signal the base is holding too much water. On Cupertino’s expansive clay, that usually traces back to a base that wasn’t compacted to engineered depth or missing drainage. The fix is correcting the base, not just cleaning the surface.
Yes. When a Cupertino home addition or ADU changes the grade and drainage around the house, the paver field has to move with it. We tie the new Unilock walkways, patios, and driveway extensions to the addition’s foundation and drains so water moves away from the structure. One contractor owning both pieces means no handoff gaps between the addition crew and the hardscape crew. Call (833) 382-8544 for a combined quote.
Service Areas Near Cupertino
We run Unilock service across the West Santa Clara Valley, including Unilock service in Sunnyvale, Unilock service in Loyola, and the surrounding communities of Saratoga, Los Altos, and West San Jose. If your lot sits near the Cupertino border, chances are we’re already working a job within a few miles of you.
Book Your Unilock Service in Cupertino Today
We’re quoting Cupertino Unilock projects now. Call (833) 382-8544 to schedule your free site walk and line-item estimate. Browse our full Unilock sales & service page to see the depth of the work we do.
Written by Noel Carranza, Owner at Gold Star Contractors, serving Cupertino since day one.