Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Why San Jose Homeowners Choose Unilock Construction
Penhallow Remodeling San Jose provides independent Unilock paver installation, Unilock repair in San Jose, and restoration across San Jose, from Willow Glen ranches to east side tract homes. We see Unilock driveways and patios every week, which means our service recommendations come from Bay Area soil movement, drainage patterns, and installation failures, not a manufacturer’s national playbook. We’re not an authorized Unilock dealer or affiliate, and we’ll say that plainly. What we are is a local team that knows how Unilock pavers behave on San Jose’s expansive clay soil and under our dry summers and rainy winters. Call (669) 274-2362 for a written estimate before any work begins.
Why Trust Penhallow Remodeling San Jose for Your Unilock Construction?
Unilock pavers are only as good as the base beneath them. That’s the sentence Trevor Nash repeats on nearly every paver walk-through in San Jose, because it’s the difference between a patio that stays level for twenty years and one that dips, spreads, and cracks after two. Trevor grew up in Los Angeles and picked up his first framing hammer on a summer job before attending Los Angeles Trade-Technical College, where he got serious about the craft. He has spent the better part of two decades running remodeling and construction projects across the South Bay, including a stretch of kitchen and bath gut-jobs in San Jose’s Willow Glen neighborhood that he still considers some of his cleanest finish work. That same eye for substrate and finish carries over to hardscape. Our technicians are background-checked, uniformed, and trained on Unilock product lines including Beacon Hill Flagstone, Brussels Block, Town Hall, and Richcliff. We use genuine Unilock pavers for replacements whenever possible to preserve color and texture match, but when a base has failed, we upgrade to a higher-density crushed stone and polymeric sand rather than reusing builder-grade bedding. Every job gets a written price before we start and the 365-Day Done Right Promise in writing after we finish. If the repair fails within the guarantee period, we come back and fix it at no charge.
Styles & brands we work with
Common Unilock Construction Problems We Fix in San Jose
These are the failures we see most often on Unilock installations across San Jose. Not theoretical worst cases. The calls we actually take.
- Edge restraint failure on Unilock paver driveways. When a driveway is installed without a proper concrete edge beam or deep spike restraint, vehicle loads push pavers outward. The outside course cracks or spreads, then the whole edge starts to wander. We regularly see this on older San Jose driveways where the original installer used thin plastic edging instead of a poured concrete curb. The fix is excavating the edge, pouring a proper restraint, and resetting the affected pavers, not just gluing loose ones back down.
- Base settlement from expansive clay soil. San Jose’s clay soil shrinks during long rainless summers, then swells when winter rains arrive. That cycle heaves and settles a shallow paver base, leaving localized depressions you can feel underfoot. In east side tract homes especially, we find the original base was only 4 to 6 inches of sand over native clay. We excavate to 12 inches, compact Class II road base in lifts, and only then reset the pavers. That depth is not optional here. It’s the minimum that survives San Jose’s soil movement.
- Efflorescence and color fading on dark tumbled finishes. Older Unilock pavers with darker tumbled surfaces, particularly Beacon Hill Flagstone in full sun exposure, develop a whitish haze over time. That’s efflorescence, mineral salts wicking up through the paver and crystallizing on the surface. San Jose’s hard water accelerates it. The good news: it’s cleanable with the right efflorescence remover, not a reason to replace the patio. We also see genuine color fading on south-facing and west-facing expanses where UV exposure is relentless.
- Joint sand erosion from pressure washing or poor drainage. A pressure washer on a paver patio will strip the polymeric sand right out of the joints if the nozzle is too close. No sand means pavers shift, rub, and chip at the edges. Poor drainage makes it worse: water channels through the joints and carries the sand away over time. We refill joints with fresh polymeric sand after addressing the drainage issue, otherwise you’re chasing the same problem every winter.
- Water pooling on Unilock patios with intact-looking surfaces. Pavers can look perfectly level and still hold water. The issue is usually pitch: the installer either didn’t slope the patio enough or the base settled unevenly after installation. In San Jose, a patio should slope away from the house at a rate of roughly 1/8 to 1/4 inch per foot. We check pitch with a laser level during diagnosis, and the fix is usually a localized reset rather than a full rebuild.
Unilock Parts & Our Repair-vs-Replace Approach
When a Unilock paver cracks or chips, the first question is whether we can match it. For current production lines like Brussels Block and Town Hall, we can order exact replacements from local distributors, and because San Jose has a steady supply chain for Unilock products, turnaround is usually a week or two. For older runs or discontinued color blends, an exact match may not exist. In those cases we’ll pull pavers from a less visible area, like under a planter or along a side yard, and use those for the visible repair, then backfill the hidden spot with the closest available match. For structural repairs, the paver itself is rarely the real problem. The base is. Given San Jose’s clay soil, we generally recommend repair over full replacement when the base is intact, but full replacement when multiple pavers show edge cracking or deep base settlement. We don’t sell you a new driveway because three pavers sank near the curb. We fix the three pavers and the twelve inches of base under them. Call (669) 274-2362 and we’ll tell you honestly which one you need.
Our Unilock Service Process – Step by Step
Here’s exactly what happens when you call us about a Unilock paver issue in San Jose.
- 1
Diagnosis. We come out, walk the area with you, and identify what’s actually failing: edge restraint, base compaction, joint sand, drainage pitch, or paver damage. For pavers, the surface symptom often points to a sub-surface cause, so we probe the base material and check compaction levels before recommending anything.
- 2
Written scope and price. Before any tool leaves the truck, you get a written number. Not a range. Not a ballpark. A price you can hold us to. This is The Kingswell Way, and it’s been our standard since 2004. Trevor’s signature phrase sums it up: “Give me the real problem and I’ll give you the real number.”
- 3
Repair or installation. We excavate to the required depth, compact a proper base in lifts, set edge restraints, bed the pavers in fresh sand, and sweep in polymeric joints. For Unilock-specific work, we match existing color blends as closely as the current production run allows and keep the original pavers in place whenever the base is sound.
- 4
Testing and pitch verification. After the pavers are down and the joints are set, we check the finished surface with a laser level and run water across it if drainage was part of the issue. If the water doesn’t flow where it should, we adjust before we call the job done.
- 5
Warranty in writing. Every job includes the 365-Day Done Right Promise. If the work fails inside that year, we return and repair it at no charge. No service call fee, no re-inspection fee. That promise is in writing on every project we do in San Jose.
See the difference
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AfterUnilock Products We Service & Install in San Jose
We install, repair, and restore the Unilock lines most common across San Jose driveways, patios, and walkways.
- Unilock Beacon Hill Flagstone: a tumbled paver with a natural flagstone look. Common in Willow Glen and Rose Garden homes for patios and walkways. We see edge cracking and efflorescence most often on this line.
- Unilock Brussels Block: a classic rectangular paver with a worn, old-world surface. Popular for driveways in San Jose’s post-war ranch neighborhoods. Joint sand erosion is the frequent call.
- Unilock Town Hall: a larger-format modular paver often used for entertaining patios. Base settlement issues show up here when the original install skimped on road base depth.
- Unilock Richcliff: a longer, linear paver that mimics cut stone. We stock joint sand, edge restraints, and bedding material locally for faster turnaround on Richcliff repairs.
We Also Service These Brands
Penhallow Remodeling San Jose works across brands, not just Unilock. The same team handles KraftMaid and Wellborn cabinetry, Cambria and Silestone countertops, Kohler and Moen fixtures, and James Hardie siding. If your project involves more than pavers, our General Contractor services are built to handle it. One team, one written estimate, one guarantee.
FAQs – Unilock Construction Service in San Jose
No. We’re an independent San Jose construction and remodeling company, not an authorized Unilock dealer or warranty provider. We service and install Unilock products because they’re widely used across the city and we know their failure modes well, but we don’t represent the manufacturer. If you need a warranty claim through Unilock, we can help you document the issue and connect with the right channel.
For paver replacements, we use genuine Unilock pavers whenever the color and texture need to match an existing installation. For structural materials like base rock, edging, and bedding sand, we use commercial-grade products that meet or exceed what most original San Jose installs used. The paver is the visible piece; the base is what keeps it in place. We don’t compromise on either.
A localized edge or paver repair in San Jose is typically a one-to-two-day job, including base compaction and joint sand setting, though Santa Clara Unilock service calls may vary slightly by location. A full paver driveway replacement runs longer, usually five to ten working days depending on square footage and access. We give you a written timeline alongside the written price, and we show up in the arrival window we gave. Call (669) 274-2362 and we’ll scope your specific project.
We service and install Beacon Hill Flagstone, Brussels Block, Town Hall, and Richcliff, which are the four lines we see most often on San Jose properties. If you have a different Unilock line, call us anyway. We can match most current production runs through local distributors, and for discontinued lines we can usually pull matching pavers from less visible areas of your yard.
Unilock’s product warranty covers manufacturing defects in the paver itself, not installation. Independent repair work on your base, edging, or joint sand doesn’t void that product warranty. If a paver itself is defective, that’s between you and Unilock, and we can document the defect so you have what you need for the claim. Our own written guarantee covers the labor we perform.
Here are the ranges we quote most often for Unilock work in San Jose.
| Service | Price Range |
|---|---|
| Paver Driveway Repair (edge reset + base compaction) | $2,950 – $8,260 |
| Unilock Paver Patio Installation | $4,130 – $12,980 |
| Driveway Replacement with Unilock Pavers | $5,900 – $16,520 |
| Pressure Washing + Polymeric Sand Refill (200 sq ft) | $295 – $825 |
These are real ranges for San Jose’s market. What moves you toward the top or bottom is base depth, existing drainage condition, paver line, access, and square footage. Call (669) 274-2362 for an exact written quote. Estimates are free, and the number we write down is the number you’ll pay.
That dull haze is usually efflorescence, mineral salts from San Jose’s hard water and clay soil wicking up through the paver and crystallizing on the surface. Dark tumbled finishes like Beacon Hill Flagstone show it most. It’s cleanable with the right efflorescence remover and a proper rinse. True UV color fading also happens on south and west exposures. If the pavers are structurally sound, we’d clean and seal rather than replace. Call (669) 274-2362 for an assessment.
If your install is a current production run, yes, we can order matching Beacon Hill Flagstone from local San Jose distributors. If your run is older or the color has UV-shifted from years of sun, we’ll pull pavers from a hidden spot, like under a planter or along a side yard, and use those for the visible repair, then backfill with the closest available match. The repair area blends instead of standing out as a patch.
Vehicle loads push outward against the edge. If the original edge restraint is thin plastic edging instead of a poured concrete beam, it flexes, then fails, and the outside pavers crack and drift. This is one of the most common Unilock driveway failures we fix in San Jose and surrounding areas, including Mountain View Unilock service requests, especially on homes built in the 1950s through 1970s where the driveway was installed before modern edge restraint practices. We excavate the edge, pour a proper concrete curb, and reset the affected pavers.
The patio’s pitch is off. Pavers can sit flat while the overall plane doesn’t slope enough for drainage, or the base settled imperceptibly and created a low spot. San Jose’s winter rains will expose this fast. We check with a laser level, find the low point, and usually fix it with a localized reset rather than a full rebuild. If the whole patio was poured with insufficient slope, it’s a bigger job, and we’ll tell you that before anything starts.
Every three to five years is a safe schedule for most San Jose installations, assuming you use a breathable paver sealer. Sealant slows efflorescence, reduces UV fading on colored pavers, and helps lock in joint sand. If your patio or driveway takes full afternoon sun, lean toward the shorter end. We don’t push sealing as an upsell. It’s genuinely useful, and we’ll tell you whether your pavers need it or not. Call (669) 274-2362 for an honest read.
Book Your Unilock Service in San Jose, CA
If your Unilock driveway is spreading at the edges, your patio is pooling water, or your pavers just don’t look like they used to, call (669) 274-2362. We’ll schedule a walk-through, diagnose the actual problem, and hand you a written price before any work starts. Free estimates. Written guarantee. Done right, or we make it right.
Written by Trevor Nash, Owner at Penhallow Remodeling San Jose, serving San Jose since 2004.
