Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Unilock Construction in Rancho Cucamonga, CA | Milpitas Construction
We install and repair Unilock pavers, walls, and patios across Rancho Cucamonga as an independent construction crew, not a manufacturer-authorized dealer, and we also provide San Antonio Heights Unilock service. The thing that makes our Unilock work different here is that we’ve spent over a decade building on both sides of Foothill Boulevard, so we know which installations hold up on aging flatland slabs and which need engineered footings up in the hills. Call (877) 752-4194 for a free estimate on your paver driveway, patio, or retaining wall project.
Why Rancho Cucamonga Residents Choose Us for Unilock Service
Unilock builds a solid paver. But how it performs in Rancho Cucamonga depends entirely on what’s underneath it and what the wind does to it. We’ve installed Unilock Brussels Block driveways on 1970s tract homes south of Foothill, and we’ve built Unilock Estate Wall retaining systems in the 91737 hillsides where the city requires slope-stability letters. That range of experience means we don’t guess at base specs or edge restraints.
Ken Stafford, our owner, grew up around construction and has spent his career learning how materials actually behave after five summers of 100-degree heat and five Santa Ana seasons. He’s the first to tell a homeowner when a patio overlay is a bad idea because the old slab underneath is heaving. That honesty is why people in Rancho Cucamonga call us before they sign with a crew that only does flatwork. We spec materials by name, so you know exactly what’s going into your home.
We’re a full-scope general contractor with active access to 50+ brand-name product lines, but Unilock is one we know at the installation level, not just from a catalog. That matters when a project goes sideways and someone has to explain why.
Styles & brands we work with







Common Unilock Construction Problems We Solve in Rancho Cucamonga
- Settled Brussels Block at garage aprons. The post-1970s slab-on-grade driveways south of Foothill Blvd often lack proper base compaction. We regularly see Brussels Block pavers sink unevenly right where the driveway meets the garage, creating a trip hazard and a water-pooling problem after winter rains.
- Degraded polymeric sand in Estate Wall joints. Santa Ana winds drive ember-laden debris across Rancho Cucamonga every fall. That grit works into Unilock wall caps and joints, wearing down the polymeric sand and opening gaps that let rain penetrate behind the wall face.
- Shifting patio footings on hillside lots. In 91737 and 91739, alluvial soil migrates slowly downhill. Unilock patios and retaining walls installed without following the original slope-stability report start to drift, and the joints open up. We see this on the newer hillside custom homes that were built quickly during boom cycles.
- Failed overlays on cracked 1970s-80s concrete. A lot of Rancho Cucamonga homeowners want to save money by laying Unilock pavers over an existing cracked walkway or apron. When the old slab heaves, the pavers on top heave with it. We saw-cut and remove failing slabs rather than spanning them, because a paver is only as stable as its base.
- Water intrusion behind retaining walls. Without proper drainage gravel and weep holes, Unilock Estate Wall systems in Rancho Cucamonga trap water behind the wall during winter storms. That hydrostatic pressure eventually pushes the wall face outward. We fix the drainage, not just the cosmetics.
Unilock Service in Rancho Cucamonga: What Local Conditions Mean for Your Equipment
Here’s the thing most contractors won’t tell you about Rancho Cucamonga. The city’s building department requires a soils report and slope-stability letter for any retaining wall over 4 feet in the 91737/91739 hillside tracts. That rule doesn’t exist down on the flatlands south of Foothill. So a Unilock Estate Wall project in the foothills needs an engineered footing design, not the standard prescriptive detail that works fine on a flat 91701 lot. We’ve pulled permits on both sides of that line. The hillside inspections are stricter, the plan check takes longer, and a wall that’s built without the soils report becomes a liability when the next heavy rain saturates the alluvial fan. If you’re planning a Unilock wall anywhere in the northern tracts, budget for the geotech work before you budget for pavers. On a 1978 stucco tract home off Carnelian Street in 91730, the original concrete driveway had cracked and heaved at the garage apron. We saw-cut and removed the failing slab, re-compacted the base, and installed Unilock Brussels Block with a proper edge restraint. Our crew finished before the summer heat hit 100°F by scheduling the pour and compaction at dawn, and the homeowner now has a driveway that sheds water away from the garage instead of pooling against it.
Unilock Models & Products We Service in Rancho Cucamonga
We work with four Unilock lines most often in Rancho Cucamonga: Brussels Block for driveways and walkways, Beacon Hill for patios with a more finished look, Olde Quarry for a tumbled, rustic surface, and Estate Wall for retaining walls and seat walls. We use Unilock OEM pavers, wall blocks, and caps on every project, paired with polymeric sand and base materials suited to Inland Empire temperature swings. We stock common paver and cap profiles locally so turnaround on repairs in Rancho Cucamonga doesn’t stall while parts ship from a distributor. We’ll repair a localized section when the base is intact, but we tell homeowners honestly when full replacement beats patching a failing installation. For more on our broader Unilock work, see our Unilock sales & service page.
See the difference
Before
After
Before
After
Before
AfterUnilock Service Pricing in Rancho Cucamonga
Here’s what Unilock construction work typically runs in Rancho Cucamonga, based on the projects we quote most often.
| Service | Typical Range |
|---|---|
| Paver Driveway Installation | $7,000 – $18,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Concrete Driveway Installation | $4,500 – $12,000 |
| Driveway Replacement | $5,000 – $14,000 |
What drives the price: base excavation depth, whether we’re removing an old slab, access for equipment, and whether the project needs an engineered footing. A paver driveway on a flat 91701 lot costs less than one on a 91739 hillside where we’re cutting into compacted alluvial soil, and our Unilock service in Fontana follows the same pricing principles. Every free estimate includes a written line-item quote with the specific Unilock product named. Call (877) 752-4194 to schedule yours.
Serving Rancho Cucamonga, CA — Our Local Coverage Area
We’re based in the Rancho Cucamonga 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 Rancho Cucamonga
Yes, when installed with an engineered footing and proper drainage. The city’s building department requires a soils report and slope-stability letter for any retaining wall over 4 feet in the 91737/91739 tracts. Unilock Estate Wall blocks themselves are fine, but the wall system needs a design that accounts for the alluvial soil migration on those slopes. We pull permits and coordinate the geotech work so the wall passes inspection the first time. Call (877) 752-4194 if you’re planning a hillside wall and want a quote that includes the engineering.
The pavers won’t crack, but the base underneath can shift if it wasn’t compacted properly. Rancho Cucamonga’s summer highs routinely exceed 100°F, and the soil expands and contracts through those cycles. Brussels Block pavers are designed to flex at the joints, which is why they hold up better than a solid concrete slab. The key is a properly compacted base and a solid edge restraint. We schedule pours and compaction for early morning in summer so the base material doesn’t dry out before it’s locked in. Call (877) 752-4194 for a quote on a driveway that won’t settle at the garage apron.
Sometimes, but usually not in the older 91701 tract homes. The original 1970s and 80s concrete slabs in that area are prone to cracking and heaving. A Unilock overlay is only as stable as the slab under it, and if that slab is moving, the pavers will move with it. We’ll come out, look at the slab, and tell you straight whether we can overlay it or whether it needs to come out. Our instinct is to saw-cut and remove failing concrete rather than span it. Call (877) 752-4194 and we’ll assess your slab at no charge.
The Santa Ana winds that come down the Cajon Pass each fall carry dry, ember-laden debris that gets into paver joints and wall caps. That grit wears down the polymeric sand and opens small gaps. If those gaps aren’t re-sanded before winter rains arrive, water gets behind the wall or under the patio and starts doing real damage. We recommend a maintenance check after the first strong Santa Ana event of the season, especially for homes in the wildland-urban interface zones climbing into the foothills. Call (877) 752-4194 to schedule a seasonal joint-and-cap inspection.
For a standard driveway on a flat lot, usually not, if you’re matching the existing footprint. But Rancho Cucamonga requires a plan check when you’re changing drainage patterns, adding impervious coverage, or building a retaining wall over 4 feet. The hillside tracts in 91737 and 91739 have the strictest rules. We’ll tell you exactly what your project triggers before we start, and we pull the permits when they’re required. Call (877) 752-4194 and we’ll walk you through what your specific address requires.
Service Areas Near Rancho Cucamonga
We serve Rancho Cucamonga and the surrounding Inland Empire communities, including Silver Lakes, Piñon Hills, Marin City, San Juan Bautista, Castroville, and Prunedale. If you’re in one of these areas and planning a Unilock project, we’re already working nearby. See our Rancho Cucamonga service area page for coverage details, or check Unilock service in Chino and Unilock service in Placentia for neighbors we also cover.
Book Your Unilock Service in Rancho Cucamonga Today
We’re an independent Unilock installer in Rancho Cucamonga, not an authorized dealer, but we build to the manufacturer’s published specs and stand behind our own workmanship. Premium brands. Proper installation. One accountable team. Call (877) 752-4194 to schedule your free estimate, and we’ll bring a written quote with the Unilock product line specified by name.
Written by Ken Stafford, Owner at Milpitas Construction, serving Rancho Cucamonga and the Inland Empire.