Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Unilock Construction in San Jose, CA | Toolbox Contractors
We install and repair Unilock paver systems across San Jose, and the first thing you should know is this: the base matters more than the paver here. San Jose’s shrink-swell clay moves with every wet-dry season, and a Unilock driveway or patio built on an underbuilt base will heave, crack, and effloresce within three years. We’re an independent contractor, not a Unilock dealer, so we specify the right base, the right restraint, and the right paver for your exact lot, then we stand behind the install. Call (855) 382-3257 for a free estimate on Unilock work anywhere from Willow Glen to Naglee Park.
Why San Jose Residents Choose Us for Unilock Service
We’ve been laying Unilock pavers in San Jose long enough to know which lines fail on which lots. Brussels Block holds up fine on a flat Naglee Park front walk, but put it on a sloped Almaden driveway with no edge restraint and you’ll see lateral creep after the first atmospheric-river storm. That’s the kind of thing you learn only by doing the work here. Norm Castellano, who owns Toolbox Contractors, started in construction framing and roofing across the Inland Empire before running crews on full kitchen gut-and-rebuilds, so he approaches a paver job as a structural problem first and a design decision second. His line about any project applies to Unilock work as much as anything: tell me what you’ve got and I’ll tell you what it actually needs.
We stock Unilock’s matching joint sand, edge restraints, and wall caps locally, so Unilock service in Alum Rock or a repair in 95110 or 95112 doesn’t wait a week on a distributor truck. And because we’re independent, we’re not tied to a manufacturer’s sales script. If a Unilock line isn’t right for your grade or drainage, we’ll tell you which one is.
Styles & brands we work with







Common Unilock Construction Problems We Solve in San Jose
- Efflorescence on Brussels Block and Beacon Hill driveways. San Jose’s shrink-swell clay wicks moisture up through the joint sand, especially where the base was compacted without proper drainage. That white chalky bloom isn’t a paver defect, it’s a base problem. We pull the affected units, re-grade, and re-set with Unilock’s own joint sand so the surface stays clean.
- Lateral creep and joint separation on Eco-Priora patios. Sloped lots near the foothills, like parts of Almaden and Evergreen, put lateral pressure on permeable pavers after heavy rain. If the base wasn’t designed for the actual grade, the pavers drift and the joints open up. We rebuild the base at the right slope and re-set with Unilock edge restraints that actually hold.
- Edge spalling on Olde Quarry wall caps. San Jose’s seismic retrofit work, the BSEP-style wall anchors and lateral bracing, sends vibration through adjacent hardscape. An inadequately pinned retaining wall cap chips at the edges. We re-pin and replace the damaged caps with matching Unilock units.
- Smoke and ash staining on light-colored pavers. Dry-season wildfire smoke settles into the open-graded joints of lighter Unilock pavers, and once it bonds with surface moisture, it’s stubborn to remove. We clean and re-sand, and we’ll tell you which paver colors hide that kind of staining better if you’re picking a new line.
- Rocking pavers over a failed clay seam. This is the classic San Jose driveway problem. The original installer compacted the base in dry season, then the clay underneath absorbed winter moisture and shifted. Pavers rock, joints open, and water gets underneath. The fix isn’t new pavers, it’s a proper base re-grade with drainage.
Unilock Service in San Jose: What Local Conditions Mean for Your Equipment
Here’s the thing about San Jose that a generic Unilock page won’t tell you. In Naglee Park and Willow Glen, a tear-down rebuild often has to match the surrounding historic character to survive city review, and that extends to the hardscape. A Unilock paver selection, the color, the profile, the pattern, can end up as part of the planning file, not just a finish decision. We’ve seen driveways held up at permit because the paver didn’t match the neighborhood’s period palette. That’s not a problem in Campbell or Cupertino, where the housing stock is newer and the review bar is different. In San Jose’s older core, the paver you pick is a planning document. We’ve re-laid a Brussels Block driveway in Willow Glen where the original base had failed along a clay seam, causing the pavers to rock and effloresce after a wet winter. We pulled the units, re-graded with proper drainage, re-set them with Unilock edge restraints, and the surface stayed tight through the next rainy season. The homeowner also had us carry the same Brussels Block through to a small paver patio, so the new drive and backyard read as one design. That’s how we work in San Jose: the paver choice, the base, and the permit all move together.
Unilock paver selection also has to account for San Jose’s seismic reality. A retaining wall or raised patio isn’t just holding soil; it’s sitting on ground that moves during the next earthquake, and lateral bracing from a BSEP-style retrofit sends vibration through anything attached to the structure. We pin wall caps and restraints to handle that movement, not just the static load.
Unilock Models & Products We Service in San Jose
We install and repair the Unilock lines that make the most sense on San Jose lots, including Unilock repair in Seven Trees. Brussels Block and Beacon Hill are the workhorses for driveways and front walks in the flat ZIPs around downtown, 95110 through 95113. Eco-Priora works on lots that need permeable pavement for drainage compliance, though the base design has to be site-specific or it’ll creep on anything with grade. Olde Quarry is a wall and cap line we see on sloped yards in the foothill neighborhoods, and it’s the one most affected by seismic vibration and spalling. We use Unilock’s own matching components, joint sand, edge restraints, wall caps, for color and performance consistency, and we won’t swap in generic equivalents on a visible face. If a paver or cap is cracked but the base and restraint are sound, we replace that unit and re-set it rather than push a full tear-out. If the failure is in the base or drainage, we tell you straight that patching won’t hold.
See the difference
Before
After
Before
After
Before
AfterUnilock Service Pricing in San Jose
Paver work in San Jose costs more than the national average because the base almost always needs more prep than the quote a driveway-guy-in-a-truck gives you. Clay soil, seismic pinning, and historic-review compliance all add scope. Here’s what we quote for Unilock work in the city:
| Service | Price Range |
|---|---|
| Paver Driveway Installation | $8,260 – $21,240 |
| Paver Patio Installation | $4,130 – $12,980 |
| Driveway Replacement | $5,900 – $16,520 |
The spread comes down to base depth, drainage work, and how much of the existing base needs to come out before new material goes in. A paver patio on a flat 95110 lot with good drainage sits at the low end. A full driveway replacement on a sloped Evergreen lot with a clay seam and no edge restraint sits at the high end. Every estimate is line-item, and every line item is explained before you sign. Call (855) 382-3257 to schedule yours.
Serving San Jose, CA — Our Local Coverage Area
We’re a San Jose General Contractor based in the 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 San Jose
Yes. San Jose’s Santa Clara Valley shrink-swell clay absorbs winter moisture and shifts, and a standard base compacted in dry season will rock and heave within a few years. We dig deeper, add drainage, and compact in lifts sized to the wet-season soil condition, not the dry-season snapshot. Call (855) 382-3257 and we’ll tell you what your specific lot needs after we see it.
Often, yes. San Jose’s historic-character review can fold your paver selection into the planning file, meaning the color, profile, and pattern have to match the neighborhood’s period palette before a driveway or walk gets permitted. We’ve carried projects through that review, and we’ll tell you early whether your paver choice will sail through or stall.
Two ways. First, the wall or raised patio has to be pinned and restrained for lateral movement, not just static soil load. Second, BSEP-style retrofit work on adjacent structures sends vibration through the hardscape, which chips inadequately pinned wall caps and shifts joints. We design and pin for both.
Yes. Unilock service in Communications Hill and across San Jose regularly uses pavers for ADU access paths, patios, and walkways, and permeable lines like Eco-Priora can help with drainage compliance on lots where the ADU adds impervious surface. The key is base design tied to the site’s actual grade and drainage, not a generic install.
If the base and edge restraints are sound and you have cracked or stained units, we replace those units and re-set them. That’s a repair. If the base has failed, the clay underneath has shifted, or the restraints have let go, replacing pavers on top of that is throwing money away. The base has to be rebuilt. We’ll tell you which one you need after we inspect, and we won’t sell a tear-out where a repair will hold. Call (855) 382-3257 for a straight answer and a free estimate.
Service Areas Near San Jose
We run Unilock crews throughout San Jose’s ZIPs, 95103, 95106, 95108, and 95109, and into the older downtown lots between 95110 and 95113. We also take Unilock work in Unilock service in Campbell and Unilock service in Buena Vista, and we cover the broader San Jose service area for full-scope work. If you’re in Willow Glen, Naglee Park, Almaden, or Evergreen, Unilock sales & service is a phone call away.
Book Your Unilock Service in San Jose Today
We’ll walk your lot, check the base, and give you a line-item estimate that accounts for San Jose’s clay, seismic, and historic-review realities. Call (855) 382-3257 to schedule your free estimate.
Written by Norm Castellano, Owner at Toolbox Contractors, serving San Jose and the Santa Clara Valley.