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Unilock Construction in Montclair, CA | San Mateo Construction
We provide independent Unilock driveway and patio installation, repair, and re-lay work across Montclair, CA. What makes our Unilock work different here is simple: Montclair is essentially a fully built-out city, so nearly every project we take on is an infill re-do on an already-developed lot, which shapes how we approach excavation, base prep, and edge restraint. Call (855) 901-7266 for a free estimate on your Unilock project.
Why Montclair Residents Choose Us for Unilock Service
We’ve worked the full Unilock install chain, base prep, soldier-course edging, polymeric joint sand, and pattern layout on the tight, built-out lots that define Montclair. We’re not Unilock-authorized and we don’t claim any manufacturer partnership. Our credibility comes from the installs we’ve completed and the follow-up repairs we’ve done on existing Unilock driveways and patios across the Pomona Valley.
Noel Carrington runs our Montclair jobs with the same approach he learned growing up in San Mateo’s Baywood neighborhood, helping his father pour concrete footings on weekends. That early training stuck: he still insists on proper compaction before the first paver goes down. When you call us about Unilock repair in La Verne or a shifting driveway or patio with joints opening up, you’re talking to a team that understands how pavers behave on older Inland Empire lots.
Styles & brands we work with







Common Unilock Construction Problems We Solve in Montclair
These are the recurring failures we see on Montclair properties:
- Polymeric joint sand washing out and joints widening. On Brussels Block aprons, Santa Ana wind-driven grit and that relentless summer sun break down the sand binder faster than most homeowners expect. Once the joints open up, weeds and ants move in. We re-sand with compatible polymeric joint sand and address the underlying drainage issue so it doesn’t happen again in six months.
- Efflorescence blooming and shallow spalling on Beacon Hill pavers. On older Montclair tract lots, we regularly find bases that weren’t compacted deep enough when the original patio went in. Water migrates up from below, leaving white mineral deposits and flaking paver surfaces. The fix is a proper tear-out and re-lay over a rebuilt base, not just a surface cleaning.
- Edge course displacement on driveways poured against 1950s-era garage slabs. The soldier course lifts and shifts when the subgrade meets the older concrete without a proper restraining edge. On Montclair’s post-war housing stock, this is one of the most common issues we correct.
- Color fade and that salt-looking haze on darker Onyx finishes. After repeated dry-summer cycles where no sealer was ever applied, Onyx pavers can look washed out sitting next to the house stucco. We’ll match the profile and color family for patch work, and we’ll be straight with you if the better long-term call is a full re-lay.
- Driveways that have heaved beyond patch repair. When more than roughly a third of a driveway or patio run is heaved, base-failed, or color-mismatched, we tell you honestly: re-laying over a rebuilt base costs less over ten years than repeated patches. We won’t sell you a patch job that fails.
Unilock Service in Montclair: What Local Conditions Mean for Your Equipment
Because Montclair is essentially built out, practically every Unilock project here is an infill re-do. You’re not working fresh grade on a new subdivision lot; you’re tearing out a driveway or patio that’s been sitting on an already-developed parcel for decades. Our crews plan excavation, spoils removal, and base import around narrow side yards and existing utility stubs rather than open new-ground grade.
What that means in practice: on a post-war single-story tract lot off the established Montclair grid, we tore out a heaved Brussels Block driveway apron where the edge course had shifted against the original 1950s garage slab. We pulled the drained base down to compacted aggregate, reset the edge restraint against the old concrete, re-laid the Brussels Block to match the surviving field color, and re-sanded with polymeric joint sand. We started early in the morning to beat the inland summer heat before the concrete saw-cutting dried the cut faces.
That’s the kind of site reality a generic paver installer doesn’t plan for. We do, because in Montclair it’s the norm, not the exception.
Unilock Models & Products We Service in Montclair
We handle the Unilock lines most common on Montclair properties: Brussels Block, Beacon Hill, Onyx, and Town Hall. For patch and repair work, we match Unilock pavers by profile and color family, and we use compatible polymeric joint sand and edge restraint rather than off-brand substitutions. Where the pattern demands it, we pull true replacement units. We carry the standard sand and jointing products in stock, which keeps turnaround on Montclair jobs faster than waiting on special-order materials. For broader Unilock work beyond Montclair, see our Unilock sales & service page.
See the difference
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AfterUnilock Service Pricing in Montclair
Here’s what Unilock work typically runs in the Montclair market:
| Service | Price Range |
|---|---|
| Paver Driveway Installation | $7,000 – $18,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Driveway Replacement | $5,000 – $14,000 |
What drives the cost: access (narrow side yards mean more labor), the condition of the existing base, whether we’re pulling utility stubs, and how much paver matching is required. Our free estimate includes a site walk, a written line-item quote, and a straight answer on whether repair makes more sense than replacement. Call (855) 901-7266 to schedule yours. We serve the entire 91763 ZIP code.
Serving Montclair, CA — Our Local Coverage Area
We’re based in the Montclair area and provide Unilock service in Ontario 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 Montclair
Yes, in most cases we can. If the base is still sound and the pavers aren’t heavily spalled, we’ll lift and re-lay the existing units, replacing only what’s broken or mismatched. The exception is when more than about a third of the run is failed, at which point a full rebuild costs less over the long run. If you’re unsure which situation you’re in, call (855) 901-7266 and we’ll assess it on site.
Santa Ana winds carry fine grit that scours the joint sand, and without a properly compacted base, water migrates and undermines the sand from below. The persistent fix is proper base drainage and re-sanding with a compatible polymeric joint sand, not just topping off the joints each year. Call (855) 901-7266 for an estimate, we’ll tell you exactly what’s happening at your specific site.
Yes. We plan excavation and base import around narrow side yards and existing utility stubs as a matter of routine. It’s slower going and it affects the quote, but it’s absolutely doable on Montclair’s post-war lots. Give us a call at (855) 901-7266 and we’ll walk the access path with you.
Unilock pavers are fired at high temperatures and don’t crack the way poured concrete does under the hot, dry inland summer cycles. They expand and contract more forgivingly. The caveat is that joint sand breaks down faster in Montclair’s specific climate without proper installation and periodic maintenance, so the install details matter.
In Montclair, a paver driveway runs $7,000 to $18,000, a paver patio $3,500 to $11,000, and a full driveway replacement $5,000 to $14,000. Your exact number depends on lot access, base condition, and paver matching. Call (855) 901-7266 for a free written estimate.
Service Areas Near Montclair
Most of our Unilock work is in the 91763 ZIP, but we regularly see jobs in neighboring communities. We also offer Unilock service in Upland, Unilock service in Hesperia, and broader hardscape work across the Pomona Valley. If you’re within a short drive of Montclair, we can likely schedule you. Our Montclair service area page has the full picture.
Book Your Unilock Service in Montclair Today
Tell me what you actually need, and we’ll figure out the right way to build it. Call (855) 901-7266 for a free estimate on your Unilock driveway or patio in Montclair, and we’ll get you on the schedule with a written line-item quote.
Written by Noel Carrington, Owner at San Mateo Construction, serving Unilock in Claremont, Montclair, and the Pomona Valley with independent Unilock installation and repair.