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Unilock Construction in Upland, CA | Gold Star Contractors
We’re an independent Unilock contractor serving Upland, and the short answer is this: Unilock pavers and retaining walls live or die by the base beneath them, and in Upland, that base changes dramatically depending on which side of town you’re on. The 91784 hillside sits on alluvial fan soils with a high water table, while the 91786 flatlands roll out over mid-century slab-on-grade lots, and those two conditions demand different installation specs entirely. That’s why we don’t treat Upland as one job site. We treat it as two distinct construction environments, and we build Unilock systems accordingly.
As a full-scope general contractor working with more than 50 vetted manufacturer brands, we specify Unilock because it’s one of the few paver and wall lineups that can handle Upland’s UV intensity, drainage swings, and mixed-use terrain without looking tired after five years. We’re not a manufacturer-authorized dealer. We’re an independent installer who has torn out enough failed bases across Upland to know what actually holds up here. Unilock sales & service through a single accountable team, from excavation to final polymeric sand, means you’re not coordinating a paver crew, a drainage guy, and a mason. One call, done right, that’s the only way Noel Carranza knows how to run a job.
Call (833) 382-8544 to talk through your project, or keep reading for what actually matters in Upland.
Why Upland Residents Choose Us for Unilock Service
Upland homeowners call us because we speak both Unilock and Upland. That sounds simple, but it’s rare. Most paver crews in the Inland Empire can lay block on flat ground. Fewer understand what happens to a Unilock U-Cara terrace when alluvial fan soil shifts beneath it, or why a Brussels Block patio in 91786 develops efflorescence bloom when the water table rises and the Santa Anas bake the surface dry.
Noel grew up in Anaheim’s Platinum Triangle, watching older tract homes get renovated block by block, and he studied construction technology at Fullerton College before spending years on concrete and finish carpentry crews across Orange County. That hands-on background means we approach every Unilock installation in Upland as a structural job first and a cosmetic one second. The prettiest paver pattern in the world won’t save a wall that’s leaning because the base was never engineered for hillside drainage.
We use Unilock OEM pavers, wall units, edge restraints, and polymeric sands. We don’t cut corners with knockoff blocks or generic jointing material, because Unilock’s system integrity depends on components that were designed to work together. And we’re local enough to Upland service area response times that keep your project moving without a parade of missed appointments.
Styles & brands we work with







Common Unilock Construction Problems We Solve in Upland
Here’s what we see most often across Upland’s ZIP codes, and what causes each one here specifically:
- Efflorescence bloom on Brussels Block pavers. Upland’s high water table pushes mineral-laden moisture up through the base, and the hot, dry air evaporates it fast, leaving white calcium deposits on the paver surface. North-facing patios in 91784 stay damp longer, so the bloom is worse there. We clean and seal with breathable products that don’t trap moisture and make the cycle worse.
- Base settlement and wall lean on U-Cara terraces. Hillside lots in the 91784 ZIP code sit on alluvial fan deposits that were never compacted to engineered depth. When the base drops, U-Cara walls lean and joints separate. We rebuild with proper excavation, drainage, and compaction before resetting the units.
- UV fading and surface chalking on Beacon Hill pavers. The Inland Empire sun is unforgiving, and Santa Ana winds add abrasive dust that accelerates surface wear. Unshaded driveways and walkways in Upland show this fastest. We can re-surface, re-sand, or replace affected sections depending on severity.
- Edge restraint failure and paver creep on flatland driveways. In 91786, many mid-century homes still have original concrete slab edges that weren’t cut back before Unilock Series 3000 went in. Without a proper edge restraint, pavers migrate outward and the driveway edge goes soft. We fix the restraint and re-set the perimeter course.
- Drainage failures on hillside retaining walls during winter storms. Intense storms off the San Gabriels dump water onto 91784 slopes. If the wall didn’t get a French drain and weep system, hydrostatic pressure builds and the wall moves. We add sub-surface drainage and reset the wall. This is the most expensive problem to ignore, and the easiest to prevent on the front end.
Unilock Service in Upland: What Local Conditions Mean for Your Equipment
Here’s the thing about Upland that most contractors from outside the area miss entirely. The city splits into two genuinely different construction markets within just a few square miles. North of the 210, in the 91784 hillside, the homes sit on alluvial fan soils washed down from the San Gabriel Mountains. These soils are loose, variable, and they hold water. That high water table, combined with steep slopes, means any Unilock retaining wall, paver patio, or driveway base needs deeper excavation, a free-draining aggregate layer, and engineered drainage to handle winter runoff without saturating and shifting.
Down in the 91786 flatlands, it’s a different world. Those mid-century tract homes sit on slab-on-grade lots with denser, more stable soil. Base specs can be shallower, and drainage is simpler. But that flat ground creates its own problems: original concrete edges that weren’t cut back, older perimeter drains that clog, and slab heave from expansive soils in certain pockets near Euclid Avenue’s older homes.
We’ve rebuilt enough failed installs in both conditions to know that a one-size-fits-all base spec is the fastest way to a leaning wall or a shifting paver field. Upland demands elevation-specific installation, and we build every job that way from the first shovel.
Unilock Models & Products We Service in Upland
We install, repair, and rebuild across Unilock’s core paver and wall lines. Brussels Block is the workhorse for Upland driveways and patios, with its tumbled, old-world texture. Beacon Hill comes up often for walkways and pool decks where a smoother, more finished surface reads better. U-Cara is our go-to for retaining walls and terrace faces, especially in the 91784 hillside where the multi-piece system gives us options for curves and corners that block walls can’t match. Series 3000 handles heavy vehicle loads, which matters for wider Upland driveways and RV pads.
On any job, we stock Unilock OEM pavers, wall units, edge restraints, and polymeric sand locally for fast Upland turnaround. Base materials come from quality aftermarket suppliers, because gravel is gravel, but the paver system itself stays true to Unilock’s specs. When a repair calls for matching existing pavers, we bring samples from your current installation to match color, size, and wear before ordering.
We recommend repair over replacement whenever the base is sound and only the surface course is worn. If settlement or drainage failure is present, we advise a partial or full rebuild with proper base correction. That’s always a conversation, not a hard sell.
See the difference
Before
After
Before
After
Before
AfterUnilock Service Pricing in Upland
| Service | Price Range |
|---|---|
| Paver Driveway Installation | $7,000 – $18,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Home Addition | $45,000 – $130,000 |
What moves the needle in Upland specifically? Hillside work in 91784 costs more than flatland 91786 jobs because the excavation goes deeper, the drainage systems are more involved, and access on steep lots takes more time and equipment. A paver patio on a flat backyard might sit at the lower end of the range. That same patio on a sloped Euclid Avenue lot with a retaining wall and French drain could push past the midpoint.
Every estimate we give is free, written, and itemized. We walk the site, check the base and drainage, and tell you what actually needs to happen before any number gets committed to paper. Call (833) 382-8544 and we’ll set up a time to look at your property.
Serving Upland, CA — Our Local Coverage Area
We’re based in the Upland 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 Upland
Hillside properties in 91784 sit on alluvial fan soils that were never compacted the way engineered fill is, and the high water table keeps those soils saturated during wet months. When water moves through loose soil, the ground shifts, and any base built on top of it shifts too. That’s why we excavate deeper and install drainage on hillside jobs, sometimes twice the base depth you’d use on a 91786 flatland lot. Call (833) 382-8544 for an exact assessment of your hillside base.
Yes, we can match Unilock Brussels Block pavers to your existing driveway, though the new units won’t have the same surface wear and may read slightly brighter for the first season. We also offer San Antonio Heights Unilock service for similar matching projects in that area. We bring existing paver samples to match color, size, and texture before ordering, and we blend the new section into the old so the transition is less obvious. Call (833) 382-8544 and we’ll take a look at your driveway.
Upland’s sun and wind accelerate surface chalking and fading on Beacon Hill pavers, especially on unshaded driveways and walkways that get full afternoon exposure. If you need Unilock repair in Montclair for similar UV damage, we handle that too. The color dulls, the surface gets a dusty, chalky feel, and joints can erode faster as polymeric sand breaks down under UV. We can re-seal, re-sand, or replace affected sections depending on how far the wear has gone. Call (833) 382-8544 for a free assessment.
For steep hillside lots in Upland’s 91784 ZIP code, we specify Unilock U-Cara units with a deep, free-draining aggregate base, a French drain behind the wall, and weep holes to relieve hydrostatic pressure. We also provide Unilock service in Claremont for similar hillside retaining wall projects. The U-Cara system gives us flexibility for curves and corners and stands up to the soil movement these alluvial fan slopes can dish out. If you’re replacing a failing wall, call (833) 382-8544 and we’ll inspect what’s there and design a system that holds.
If the slab is structurally sound, with no major cracking or heave, and only the surface is worn, repairing and resurfacing may be the cheaper move. But if you’re seeing significant cracks, edge spalling, or drainage pooling, replacing the concrete with Unilock Series 3000 pavers gives you a permeable surface that handles Upland’s winter rain better and looks better for longer. We also offer Rancho Cucamonga Unilock service for concrete-to-paver conversions in that area. We’ll give you an honest read either way. Call (833) 382-8544 for a site visit and written estimate.
Service Areas Near Upland
Gold Star Contractors serves Upland and the surrounding Inland Empire communities. We also work with homeowners in Unilock service in Rancho Santa Margarita for hillside paver projects, and Unilock service in Pomona for flatland driveways and mid-century home additions. If you’re in a neighboring city and planning a Unilock project, reach out and we’ll let you know if we can help.
Book Your Unilock Service in Upland Today
If your Unilock pavers are shifting, your retaining wall is leaning, or you’re planning a new paver driveway, patio, or home addition in Upland, call (833) 382-8544 to schedule a free estimate. We’ll walk your property, look at the soil and drainage, and tell you exactly what needs to happen. One contractor. Every system. No handoff gaps.
Written by Noel Carranza, Owner & General Contractor at Gold Star Contractors, serving Upland and the Inland Empire.