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Unilock Construction in Montclair, CA | Daly City Construction
We provide independent Unilock paver, retaining wall, and hardscape construction across Montclair, CA, as a Montclair General Contractor. The one thing that makes our Unilock work here different: nearly every job is a lot-line-to-lot-line redo, because Montclair is fully built out and almost four square miles. Most projects on these 1950s – 1970s lots run right up to neighboring block walls or shared driveways, so edge restraint and drainage fall dominate the plan. Call (866) 505-5254 for a free estimate.
Why Montclair Residents Choose Us for Unilock Service
We’ve torn out, re-based, and re-laid more Unilock driveways, patios, and walls in Montclair than we can count, and we know how their profiles, jointing, and edge restraints actually go together in these tight-lot conditions. Noel Cabrera, our owner, grew up in Daly City’s Westlake district watching his uncle reframe a garage, and he’s been doing hands-on renovation and hardscape work ever since. That means when you call us about a settled paver field or a wall pulling away from a neighbor’s fence, you’re not getting a scripted sales pitch. You’re getting somebody who will walk the site, check the base and drainage, and tell you what the house needs, not what you think it needs. We’re an independent contractor, so we stock OEM Unilock edge restraints, transition pieces, and joint sand locally for faster turnaround, but we’re not authorized, sponsored, or endorsed by Unilock, and we make no warranty claims on their behalf.
Styles & brands we work with
Common Unilock Construction Problems We Solve in Montclair
- Paver edge slippage and joints opening along property lines. Most Montclair driveways from the 1950s through 1970s were lined with thin block walls or poured strips that never met today’s Unilock edge-restraint specs. The field runs tight to the lot line, leaving no room for a proper soldier course or pinned edging. We add pinned restraints and reset the edges so the field stays put.
- Sun-baked efflorescence and color loss on south- and west-facing surfaces. Inland Valley summers push 100°F+ for days, and seasonal winter rain reacts with salts in the paver base. The white chalky film looks like paver failure, but it’s usually a base and drainage issue plus surface cleaning. We rebuild the slope and clean or re-sand the joints.
- Settled or heaved pavers after a garage conversion, ADU, or addition. Montclair’s tight infill lots funnel roof and yard drainage between structures, and newly redirected water undermines the compacted base under driveways. We re-grade the base to shed water away from structures, then re-lay the field.
- Cracked or spalling retaining and sit-off wall units where walls share footing with a neighbor’s block fence. Zero-lot-line additions near the Holt Blvd and 10 freeway corridors often stack a Unilock wall right against an existing block-on-block boundary fence. Shared footing movement cracks the wall units. We repair the section and fix the drainage behind it.
- Driveway base failure that spreads across the whole field. When a Montclair driveway base was never compacted well or has been saturated for years, patching one section won’t hold. We pull the field, recompact, and re-lay with proper Unilock edge restraint and joint sand.
Unilock Service in Montclair: What Local Conditions Mean for Your Equipment
Montclair is only about four square miles, bordered by Pomona, Claremont, Upland, Chino, and Ontario, and it’s completely built out. That means virtually no new subdivision work here: every Unilock driveway, patio, or retaining wall project is infill, remodeling, or a lot-line-to-lot-line redo on a small mid-century lot. On the postwar housing stock near Holt Blvd and the 10 freeway corridors, the original lots were platted small, with attached garages and driveways that run straight to the property edge. So base prep, drainage fall, and edge restraint all have to work within feet of a neighboring block wall or shared driveway, not open space. When we compact a base in Montclair, we’re often doing it eight inches from a fence that’s been there since 1962. We plan for tight staging, shared driveways, and older block fencing before any excavation starts.
Unilock Models & Products We Service in Montclair
We install and repair the Unilock lines most common on Montclair driveways and patios: Brussels Block pavers, Beacon Hill and Bristol Valley wall units, and Richcliff or Copthorne pavers in the tumbled, old-world profile. For repairs, we match the existing Unilock profile and color where it’s still in production and use OEM edge restraints, transition pieces, and joint sand so the patch blends into the existing field. For discontinued Unilock profiles, we’re honest that a color match may not be achievable and quote a partial re-lay instead. We keep OEM edge restraints and joint sand on hand for fast Montclair turnaround, since driveways here can’t sit half-open for a week with a neighbor’s car parked twelve inches away.
See the difference
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AfterUnilock Service Pricing in Montclair
Here are the line-item ranges for the Unilock work we do most in Montclair. These are honest starting points, not a bid. Site access, base condition, and edge restraint work shift the final number.
| Service | Price Range |
|---|---|
| Paver Driveway Installation | $7,000 – $18,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Driveway Replacement | $5,000 – $14,000 |
| Concrete Driveway Installation | $4,500 – $12,000 |
What drives the cost on a Montclair job: how much of the old base can be salvaged, whether drainage needs re-routing around a neighbor’s wall, and whether we’re working between two structures with no room to stage. Our free estimate includes a written line-item quote. Call (866) 505-5254 to schedule one.
Serving Montclair, CA — Our Local Coverage Area
We’re based in the Montclair 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 Montclair
Where the existing profile and color are still in production, we match them and use OEM edge restraints, transition pieces, and joint sand so the repair blends into the field. For discontinued profiles, we’ll tell you straight that a color match may not be possible and quote a partial re-lay of the affected section instead. Call (866) 505-5254 and we’ll take a look at the actual pavers before quoting anything.
It’s almost always drainage from the roof or yard being funneled between the two structures and saturating the base. On tight Montclair lots, water has nowhere to spread out, so it flows along the wall line and erodes the compacted base under the edge course. We re-grade the base to shed water away from the wall, add a pinned edge restraint, and re-lay the field so the edge stops creeping. Call (866) 505-5254 for a free drainage and base assessment.
The heat itself doesn’t weaken the pavers, but it does accelerate efflorescence and surface color change, and it dries out the joint sand so it shifts. The real damage comes later, when winter rain hits a base that’s already been baked and the paver bed stays damp. Proper base drainage and joint sand refresh handle most of what Montclair’s summer throws at a paver field. Call (866) 505-5254 to have the joint sand and slope checked before the next heat wave.
Yes, and it’s one of the most common projects we do in Montclair. We remove the old concrete, recompact the subgrade, re-grade for drainage away from the neighboring wall, and lay Unilock pavers with a pinned edge restraint tight against the property line — similar to Unilock repair in La Verne on comparable tight lots. Done this way, the field stays put even with shared driveways and block fencing in play. Call (866) 505-5254 for an exact quote, and we’ll walk the lot line with you before any numbers get written down.
If the wall has cracked or spalled where it shares footing with a neighbor’s block fence, don’t wait. Loose wall units and shifting driveway edges get worse with every Santa Ana wind event and winter rain, and drainage problems compound fast on Montclair’s tight lots. We keep OEM restraints and joint sand on hand so a section repair doesn’t drag out. Call (866) 505-5254 and we’ll give you a straight answer on the timeline for your specific site.
Service Areas Near Montclair
We run Unilock paver, wall, and hardscape jobs throughout the Pomona Valley and neighboring San Gabriel Valley foothill cities. You’ll find our crews in Unilock service in Upland, Claremont, Pomona, Chino, and Ontario, and we’re a short drive from Unilock service in Hesperia for larger acreage projects. Our full Montclair service area page lists every ZIP we cover.
Book Your Unilock Service in Montclair Today
On a 1960s single-story tract house near Holt Blvd, a homeowner’s original driveway had drifted and heaved where the roofline drainage after an ADU conversion ran across the slab. We pulled the field, re-graded the base to shed water away from the neighboring block wall, added a pinned edge restraint, and re-laid Unilock Brussels Block with fresh joint sand. We matched the existing tumbled pavers where we could and ballasted the patio-to-driveway transition so the Santa Ana windblown grit wouldn’t collect in the joint gaps. That’s how we work in Montclair: local, specific, done right. For full-scope Unilock hardscape construction, see our Unilock sales & service page. Call (866) 505-5254 to schedule your free estimate.
Written by Noel Cabrera, Owner at Daly City Construction, serving Montclair since day one.