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Unilock Construction in San Jose, CA | San Mateo Construction
We’re an independent construction firm providing Unilock paver and wall system installation, repair, and reconstruction throughout San Jose. Our crews have worked with Unilock products in the Santa Clara Valley for over a decade, and we’re not affiliated with or authorized by the manufacturer. What sets our Unilock work apart in San Jose is that we plan every project around the city’s tree-preservation and historic-review rules before a single block gets ordered. That local knowledge keeps your hardscape on schedule instead of stuck in permit limbo. Call (855) 901-7266 to talk through your project and get a free estimate.
Why San Jose Residents Choose Us for Unilock Service
Unilock pavers and wall systems demand field experience that generically trained crews don’t always have. Brussels Block, Beacon Hill, Estate Wall, Lineo: each product line behaves differently under load, slope, and water. Noel Carrington, our owner, grew up in San Mateo County and has spent close to three decades working residential jobs across the Bay Area. He learned concrete and base work the slow, careful way, and that’s exactly the kind of experience Unilock installations require. We’re not a dealer or a manufacturer rep. We’re the contractor who shows up when a paver driveway settles unevenly or an Estate Wall starts bulging from hydrostatic pressure. San Jose homeowners call us because we tell them honestly whether a section can be repaired or should be replaced, and we don’t pad the answer either way.
Styles & brands we work with







Common Unilock Construction Problems We Solve in San Jose
We see the same handful of failures across San Jose, usually tied to our specific soil and seasonal patterns. Here’s what we fix most often:
- Efflorescence and salt staining on Brussels Block pavers. San Jose’s wet winters and irrigation runoff leave white mineral deposits that homeowners often mistake for mold. It’s not mold, and the fix is not just scrubbing with bleach. We remove the source of moisture first, then treat the paver surface with the right cleaner and reseal.
- Base failure and settling on paver driveways. Older San Jose neighborhoods sit on expansive clay that shifts as it gets wet and dries out. When drainage is poor or the original base was too thin, driveway pavers sink and separate. We rebuild with geotextile and compacted aggregate, not just extra sand.
- Joint sand erosion and weed growth. Heavy rain seasons wash polymeric sand out of paver joints in San Jose, and once it’s gone, weeds take hold and pavers start shifting. The fix is re-sanding with a high-quality polymeric product after every significant wet season, not a quick sweep of play sand.
- Estate Wall separation and bulging. When drainage gravel behind a Unilock retaining wall is insufficient, water builds up and pushes the wall outward. In San Jose’s winter, this happens fast. We pull the affected section, install proper drainage, and reset the blocks before the whole wall fails.
- Root damage to Unilock patios and walkways. In tree-heavy neighborhoods, roots lift pavers and crack perimeter bands. We work around protected root zones when we can, and where tree removal or root pruning is required, we handle the arborist coordination.
Unilock Service in San Jose: What Local Conditions Mean for Your Equipment
San Jose’s historic-preservation and tree-ordinance rules change how Unilock projects get planned. In neighborhoods like Willow Glen, the Rose Garden, and areas needing Unilock service in Alum Rock, even a paver patio or driveway addition can trigger arborist reports and design-review hearings before permits are issued. Protected tree root zones dictate where pavers can go, how deep the base can be excavated, and what drainage solutions the city will sign off on. We’ve seen a simple Brussels Block patio hold for months over a single protected oak. That’s not paperwork for paperwork’s sake: San Jose’s tree canopy is part of the city’s stormwater management and heat-mitigation strategy, and the city takes it seriously. What this means for your Unilock work is straightforward. If you’re in an older neighborhood with mature trees, expect a longer permitting runway, and expect that the design will bend around the roots, not through them. We plan for that from day one. A contractor who doesn’t know San Jose’s specific rules will quote you a timeline that doesn’t survive first contact with the permit portal.
In Willow Glen, we replaced a failing Unilock Brussels Block driveway where the original base had settled unevenly due to poor drainage and expansive clay. After obtaining the required tree-preservation clearance, we excavated and rebuilt the base with geotextile and compacted aggregate, reinstalled the pavers with fresh polymeric sand, and added a channel drain to direct runoff away from a protected oak. The result was a stable, level driveway that met city stormwater requirements and preserved the tree.
Unilock Models & Products We Service in San Jose
Our crews work with the full Unilock hardscape range that’s common in San Jose: Brussels Block and Beacon Hill for driveways and walkways, Lineo for contemporary patio surfaces, and Estate Wall for retaining walls and garden terracing. We use Unilock OEM pavers and wall blocks for any visible or structural repairs, because color and dimensional consistency matter when you’re patching a section. For base materials and polymeric sands, we source aftermarket products that meet or exceed manufacturer specs, which keeps repair costs realistic without cutting corners. We stock commonly needed Unilock replacement pavers locally so most San Jose repairs don’t wait on freight. For Unilock sales & service, we cover everything from new installation to full reconstruction.
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AfterUnilock Service Pricing in San Jose
Unilock hardscape pricing in San Jose depends on square footage, site access, soil condition, and whether the project needs tree or historic clearances. Here are the range we work within for the two services most San Jose homeowners ask about:
| Service | Price Range |
|---|---|
| Paver Driveway Installation | $8,260 – $21,240 |
| Paver Patio Installation | $4,130 – $12,980 |
What drives the final number is mostly base condition and drainage work. If the existing base is shot, we’re rebuilding it, not just laying pavers on top. Your free estimate includes a site visit, measurements, soil and drainage assessment, and a written line-item quote, so you know exactly what you’re paying for before any work starts. Call (855) 901-7266 to schedule yours.
Serving San Jose, CA — Our Local Coverage Area
We’re based in the San Jose 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
No, we don’t install Unilock pavers over existing concrete slabs in San Jose. Concrete doesn’t provide the permeable base that Unilock pavers need to drain properly, and our wet winters will push water up through the paver joints and cause efflorescence and freeze-thaw shifting. The right method is to remove the slab, rebuild the base with compacted aggregate, and install the pavers on a proper bedding layer. Call (855) 901-7266 for a free estimate on a full paver install.
San Jose’s Mediterranean climate concentrates rain between November and March, and those wet months expose every weakness in a paver installation. Poor drainage shows up as ponding water, joint sand washes out, and underslab moisture can lift pavers. We schedule most new Unilock installations during the April-to-October dry window, and we design drainage channels and base layers to survive the rainy months that follow. If your pavers are already showing rain damage, we can add drainage retrofits without redoing the entire surface.
It depends on the scope and location. A small paver patio on a flat lot may not need a permit, but a driveway replacement, a retaining wall above a certain height, or any project in a historic district or near protected trees almost always does. San Jose’s online permit portal requires stormwater and even arborist documentation for many hardscape projects. We handle the permit package for you, and our San Jose service area includes full coordination with the city’s review process.
Efflorescence is salt, and water is what moves it to the surface. The right fix in San Jose starts with correcting the drainage that’s pushing moisture upward, then cleaning the surface with a paver-specific efflorescence cleaner and resealing. Power washing alone or scraping often makes it worse by driving the salt deeper. If you’re seeing white staining on your Brussels Block pavers, call (855) 901-7266 and we’ll assess the drainage issue first.
With a proper base and drainage, a Unilock paver driveway in San Jose will last 25 to 30 years before the base needs rebuilding. The weak point is never the paver itself. It’s the clay soil shifting underneath and water saturating the base during wet winters. We rebuild with geotextile and compacted aggregate, which extends the system’s life well beyond what a thin sand-set install can deliver.
Service Areas Near San Jose
Our Unilock crews serve all of San Jose plus the surrounding South Bay and Peninsula communities. We work in San Mateo, Burlingame, Foster City, Hillsborough, and Belmont. We also regularly handle Unilock projects in Monte Sereno and Los Gatos, where tree ordinances and hillside drainage create the same challenges we navigate in San Jose’s older neighborhoods.
Book Your Unilock Service in San Jose Today
Tell me what you actually need, and we’ll figure out the right way to build it. If your Unilock pavers or walls are failing, or if you’re planning a new hardscape project in San Jose, call (855) 901-7266 for a free estimate. We’ll walk the site, answer your questions, and give you a written quote before anything gets ordered.
Written by Noel Carrington, Owner at San Mateo Construction, serving San Jose since day one.