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Unilock Construction in Montclair, CA | Elmwood Contractors
We install and repair Unilock paver driveways, patios, and retaining walls across Montclair, with most of our work centered on re-doing cracked or heaved concrete on the city’s original postwar tracts. The one thing that separates our Unilock work here is that we plan every project around Montclair’s real constraint: tight lots, shallow setbacks, and base layers that were never built to modern standards. We’re Elmwood Contractors, an independent contractor offering Unilock service in Ontario and serving the 91763 ZIP, and we’re not manufacturer-affiliated or authorized by Unilock. Call (866) 253-8554 for a free estimate.
Why Montclair Residents Choose Us for Unilock Service
Nolan Shepherd, our owner, grew up in Fullerton’s Sunny Hills neighborhood and spent his twenties doing ground-up residential work across North Orange County. He’s been running Elmwood Contractors for two decades, and he’ll tell you that a paver job fails from the base up, not the surface down. That’s the lens we bring to every Unilock project in Montclair. We work with Brussels Block, Beacon Hill, and Brussels Dimensional cap units weekly, not occasionally. We name the brands going into your home before the contract is signed, and we recommend products because they perform, not because they’re convenient for us. For Unilock work specifically, that means genuine Unilock units for visible field and edge repairs so color and texture match your existing run, and quality domestic base aggregate, polymeric joint sand, and edge restraint on the hidden work. You can browse our broader Unilock sales & service page for the full scope of what we handle.
Styles & brands we work with







Common Unilock Construction Problems We Solve in Montclair
- Sand-joint washout and rutting on driveways. Montclair’s Santa Ana wind events drive grit into paver joints, and the summer heat cycles shrink joint sand. On the 1950s and 60s tract driveways with thin original base, we see the field sink and rut within a few years of a bad install. We lift, re-grade, and re-set with stabilized sand.
- Efflorescence blooming on gray Brussels-style pavers. Hot dry summers followed by winter rain pull mineral salts to the surface, especially where base drainage was never addressed. The white chalky bloom is not a paver defect, but it signals water moving through the base. We correct drainage first, then clean and seal.
- Edge and soldier-course settlement at the apron. Where pavers butt an original shallow-setback driveway apron or garage slab that has its own movement, the edge course drops or separates. We rebuild the edge restraint and compact the transition so the two surfaces stop fighting each other.
- Retaining wall face block shifting or cap loosening. Montclair’s dry-season soil shrinkage is real. On sloped backyards where the original grading and compacted base were never rebuilt, wall blocks tilt and caps come loose. We rebuild the base and re-set the face rather than patching the cap.
- Cracked or heaved concrete that is ready to become pavers. Most Montclair paver projects start as a failed concrete drive or patio. We demo, haul, and build the base correctly before the first paver goes down.
Unilock Service in Montclair: What Local Conditions Mean for Your Equipment
Montclair is a small, largely built-out Inland Empire city of roughly 38,000 people, and almost every Unilock project we take on here is a re-do of an existing cracked or heaved concrete surface on a late-1940s-through-1960s single-story stucco tract lot. That changes the job. You are not laying pavers on open ground. You are removing a slab that has been moving for fifty or sixty years, dealing with whatever base is underneath it, and working inside lot-coverage rules that were written for an era when a driveway was just concrete. On the original postwar tracts off streets in the southern Montclair flats near the 91763 ZIP, an addition or second-story project frequently runs into undersized original electrical service and shallow lot setbacks, and paver work runs into the same reality on the ground plane. The slab, the base, and the drainage all have to be corrected before the pavers mean anything. That is why our estimates start with what is under the surface.
One job stands out. On an original postwar tract driveway in the southern Montclair flats, a homeowner’s 1960s concrete apron had heaved and cracked under tree roots, and the old slab pitched water toward the garage. We demoed and hauled the concrete, rebuilt the base with compacted aggregate and edge restraint, and set a tumbled Brussels Block field with a soldier-course border, then re-graded the apron so runoff cleared the garage slab. The result was a driveway that matched the house’s mid-century scale while finally shedding water the way the original slab never did.
Unilock Models & Products We Service in Montclair
We install and repair the Unilock product families that show up most on Montclair homes: Brussels Block for the tumbled, dimensional driveway and walkway look, Beacon Hill for patios and pool decks that want an irregular flagstone character, and Brussels Dimensional or Brusselstone cap units for retaining walls. For repairs, including Unilock repair in La Verne, we source genuine Unilock units so the color and texture match an existing run rather than showing a patch. We’re independent, not authorized, which means our advice on whether to repair, re-level, or tear out always comes down to what the site actually needs. When more than roughly a third of a paver field has failed or the base is gone, we tell owners honestly that lift-and-relay beats perpetual patching.
See the difference
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AfterUnilock Service Pricing in Montclair
What drives cost on a Montclair Unilock job is what is under the pavers: demo and haul-off of the old concrete, base rebuild, edge restraint, and drainage correction. A clean re-do on a small patio lands at the low end; a full driveway with a failed base and re-grading lands higher. Every estimate includes a site walk, base assessment, and a written line-item scope.
| 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 |
Call (866) 253-8554 for an exact quote. Estimates are free, and the scope is written down before you commit.
Serving Montclair, CA — Our Local Coverage Area
We’re based in the Montclair area and also provide Unilock in Claremont, so we 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
No, not properly. A 1950s Montclair slab has been moving for sixty-plus years, and laying pavers over it just transfers that movement to the paver field. We demo and haul the old concrete, rebuild the base, then set the pavers. Call (866) 253-8554 and we’ll walk the site and tell you what is actually under your slab.
That is efflorescence, and in Montclair it comes from the hot dry summer pulling mineral salts to the surface, followed by winter rain pushing them out. It is a drainage and moisture signal, not a paver defect. We correct the base drainage, then clean and seal. Call (866) 253-8554 for an assessment.
Yes. The wind drives grit into the joints and accelerates joint-sand loss, and repeated heat cycles shrink the sand. Stabilized joint sand and proper edge restraint are what hold up. We spec both on every Montclair driveway and patio.
Montclair’s approvals process is scaled for a small built-out city, and additions or surface changes run into lot-coverage limits and setback review. A paver driveway replacement on an existing footprint is usually straightforward, but expanding a patio or adding a second-story-adjacent wall can trigger review. We handle the permits and coordinate the process.
Usually, yes. We source genuine Unilock units in the same product line and finish so the repair blends with the existing run. But if more than about a third of the field has failed or the base is compromised, patching is money wasted. We’ll tell you which one you have. Call (866) 253-8554 for a free estimate.
Service Areas Near Montclair
We serve Montclair and the surrounding eastern San Gabriel Valley and North Orange County communities, including our full Montclair service area, Fullerton, Anaheim, Placentia, Brea, Buena Park, and La Habra. For Unilock work farther south, see our Unilock service in Foothill Ranch and Unilock service in Lake Forest pages.
Book Your Unilock Service in Montclair Today
From the first site walk to the final compaction pass, one contractor, every trade. Call (866) 253-8554 to schedule your free Unilock estimate in Montclair or Unilock service in Upland, and we’ll put the scope in writing before you spend a dollar.
Written by Nolan Shepherd, Owner at Elmwood Contractors, serving Montclair and the surrounding communities.