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 Colton, CA | Pinecrest Contractors
We provide independent Unilock construction service across Colton, from paver driveways and patios to retaining walls and truck-rated commercial flatwork. What makes our Unilock work different here is simple: we spec base and drainage for Colton’s split between freight-corridor loading aprons and older rail-era residential lots, not for a generic Southern California suburb. If you’re planning a Unilock project in Colton or dealing with pavers that have settled, heaved, or bloomed white, call Pinecrest Contractors at (855) 702-1622 for a free estimate.

We’re a full-scope general contractor, which means your Unilock hardscape gets built in coordination with the rest of the property, not as an isolated patch job. Gil Rourke, our owner, spent years running residential and light commercial builds across the Temecula Valley before Pinecrest, and he still walks every Colton site himself before we quote. We also handle the interior and exterior systems around your pavers: roofing, siding, drainage corrections, fencing, even ADUs. One contractor, every system. If your Unilock patio sits at the bottom of a slope that dumps monsoon water against your foundation, we’ll fix the grade and the hardscape together. That’s the point of Unilock sales & service done by a general contractor, not a paver-only crew.
Why Colton Residents Choose Us for Unilock Service
Colton isn’t a tract-home remodel market. It’s a rail and warehouse town with older single-family stock near the historic downtown, post-1980s subdivisions on the edges, and a whole lot of commercial concrete along the 10 corridor. We work all three. A Unilock driveway on an older Colton bungalow needs different prep than a Unilock loading apron behind a freight warehouse, and we’ve built both — including Unilock service in Rubidoux and nearby areas.
Gil Rourke learned the trade starting at seventeen, pulled in by an older brother who framed houses. He studied construction technology at Palomar College and spent years on every phase of residential and light commercial work before Pinecrest Contractors took shape. The right material in the right place, that’s where the job starts. For Unilock work in Colton, that means matching the paver line to the load, the grade, and the drainage reality of the specific lot. We’re not tied to a showroom’s inventory or a dealer’s promotional calendar. We spec what the site actually needs.
We use Unilock system components, pavers, wall block, and matching caps, plus quality base aggregate, polymeric joint sand, and geogrid from proven suppliers. We don’t substitute off-brand block on a wall that has to hold a hillside. And when something fails, we tell you the truth about whether it’s a surface fix or a base rebuild. Surface repairs just move the failure. We’d rather rebuild it once.
Styles & brands we work with







Common Unilock Construction Problems We Solve in Colton
- Efflorescence blooming on Brussels and slab pavers. Colton’s dry-to-monsoon swing is the trigger: winter rain saturates the pavers, salts dissolve and rise to the surface, then summer heat locks the white deposit in. We clean and seal, but more importantly we check the drainage beneath so the cycle stops repeating every year.
- Paver settlement and heaving on sloped foothill lots. Properties near the San Bernardino foothills catch concentrated storm runoff, and a residential base that was never engineered for that water will pump and shift. We see heaved Brussels driveways on older Colton lots that were laid directly onto dirt with no base and no drainage. The fix is excavation, compacted aggregate, and a graded swale, not just re-laying the top layer.
- Chipping and edge spalling on driveway pavers. Driveways in Colton take abuse from freight-adjacent traffic, delivery trucks, and contractor vehicles, so an under-built residential base course shows itself as cracked edges and spalled faces on the pavers. We rebuild the base to handle the actual load pattern.
- Retaining wall face spalling and joint failure. U-Cara and similar walls fail at the geogrid and drainage plane, not the block itself. Colton’s UV intensity and thermal cycling stress the joints, but the real problem is usually water building up behind the wall. We rebuild the drainage plane and re-lay the face to spec.
- Patio pavers sinking at the low corner. On flat Colton lots near the rail yards, poor compaction and missing edge restraints let pavers drift and sink after the first wet season. We lift, re-grade, and re-compact, then lock the edges properly.
Unilock Service in Colton: What Local Conditions Mean for Your Project
Colton’s identity as a Union Pacific rail hub and logistics corridor shapes a lot of our Unilock work in ways you won’t see in Loma Linda or Grand Terrace. Along the 10 corridor, truck-court and loading aprons need pavers set to freight-traffic tolerances, not the pedestrian-rated base used on residential patios. A standard residential base course of 4 inches of compacted aggregate under a Unilock driveway will fail in under a year if a 40-foot box truck turns across it. We over-excavate, step up the aggregate depth, and sometimes spec a thicker paver unit on commercial aprons. On the residential side, the older rail-worker bungalows near the historic downtown sit on small, flat lots with clay-heavy soil and poor original drainage. Those homes were built quick and cheap for railroad crews, and the hardscape around them often followed the same philosophy. We treat every one of those lots as a drainage project first and a paver project second. An older bungalow off La Cadena Drive with a patio that ponds after every storm needs a grade correction before any paver goes down. That’s the difference between work that lasts and work that looks good for one summer.
On an older rail-worker bungalow near the historic downtown, we pulled up a heaved Brussels paver driveway that had been laid straight onto dirt with no base and no drainage. The monsoon season had pumped it up in waves. We excavated to compacted aggregate base, cut a grade swale to move water off the low side of the lot, re-laid the pavers on the correct bedding, and locked the joints with polymeric sand. It’s sat flat through two summers since. That job is exactly what we mean when we say we build for Colton’s reality.
Unilock Models & Products We Service in Colton
We install and repair the full range of Unilock hardscape systems: Brussels Dimensional block-style pavers for driveways and walkways, Beacon Hill smooth slab pavers for patios and pool decks, U-Cara multi-face retaining wall systems, and Bristol Valley estate-style plank and textured pavers for driveways with a more finished look. Our parts approach is straightforward: Unilock pavers, wall block, and matching caps, paired with quality base aggregate, polymeric joint sand, and geogrid from proven suppliers. We don’t substitute off-brand block on a wall that has to hold a hillside, and we don’t piece together a repair from mismatched leftovers. For Colton turnaround, we keep common Unilock lines and joint sand stocked locally with our suppliers, so we’re not waiting on a dealer transfer when your driveway needs work before the next storm. One caveat: Pinecrest Contractors is an independent Unilock service provider. We’re not manufacturer-affiliated or authorized, which means we spec around your site conditions and use pattern, not a showroom’s inventory or a factory program.
See the difference
Before
After
Before
After
Before
AfterUnilock Service Pricing in Colton
Here’s what Unilock construction work in Colton typically runs, based on the projects we’ve scoped across the city’s residential and commercial mix:

| Service | Typical Range |
|---|---|
| Paver Driveway Installation | $7,000 – $18,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Driveway Replacement | $5,000 – $14,000 |
What drives the final number? Base depth and drainage. A flat residential patio on undisturbed soil costs less than a sloped foothill lot that needs a retaining wall rebuild, a grade swale, and re-engineered drainage. Commercial aprons along the 10 corridor require thicker aggregate base and sometimes heavier paver units, which pushes the range higher. Every estimate is free and written as a line-item quote, so you see exactly where the money goes. No change orders, no vague allowances. Call (855) 702-1622 to schedule a free estimate and get an exact number for your Colton project.
Serving Colton, CA — Our Local Coverage Area
We’re based in the Colton 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 Colton
Can Unilock pavers hold up to the truck traffic on a warehouse lot along the 10 corridor? Yes, if the base is built for freight loads. A residential-style base will fail under sustained truck traffic. We over-excavate, increase the aggregate depth, and spec the paver unit to the load. Call (855) 702-1622 for a site evaluation; we’ll tell you what your specific apron actually needs.
Why do my Unilock pavers turn white after the rainy season in Colton? That’s efflorescence. Rainwater saturates the pavers, dissolves salts from the base or the concrete itself, and summer heat draws the salt to the surface where it crystallizes as a white bloom. We clean and seal it, but if the drainage beneath is trapping water, the cycle repeats every year. The permanent fix starts with the base, not the surface. Call (855) 702-1622 and we’ll diagnose the drainage before we clean anything.
My hillside lot near the foothills floods the patio every storm – do the pavers need to come up? Yes. If storm runoff is pooling on the surface, the grading and drainage underneath are the problem. We pull the pavers, re-grade the base, cut a swale or add a channel drain where the water actually wants to go, and re-lay the surface. Lifting a few pavers to look at what’s underneath is the only way to give you a real answer. Call (855) 702-1622 for a free inspection.
Will my Unilock driveway settle again if you just replace the bad pavers? Yes, if the base or drainage failed, new pavers will settle into the same low spots within a season or two. A single settled or spalled paver gets lifted and reset, but a driveway failing on base or drainage gets the base rebuilt. Surface repairs just move the failure. Call (855) 702-1622 and we’ll tell you which situation you’re in.
Can you install a Unilock retaining wall on a Colton lot without engineering a drainage plane? No, not if you want it to stand. U-Cara and similar walls fail at the drainage plane and geogrid, not the block itself. In Colton’s heat and monsoon cycles, a wall without water management behind it will bulge, crack, or blow out. We build the drainage plane to spec every time. Call (855) 702-1622 for a wall quote, with drainage included because it’s not optional.
Service Areas Near Colton
Our Unilock construction service covers Colton and the surrounding Inland Empire communities. We also work in Unilock service in North Tustin, Unilock service in Bloomington, San Bernardino, Rialto, Loma Linda, and Grand Terrace. If your property sits on the edge of any of these areas, call us and we’ll confirm coverage. For all other service area details, see our Colton service area page.
Book Your Unilock Service in Colton Today
If your Unilock driveway, patio, or wall needs work in Colton, call Pinecrest Contractors at (855) 702-1622. We’ll walk the site, show you what’s actually going on underneath, and give you a written estimate that covers the full scope. Free estimates, real answers, and one contractor from the roof down to the pavers.
Written by Gil Rourke, Owner at Pinecrest Contractors.