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Unilock Construction in Fontana, CA | Daly City Construction
We provide independent Unilock paver and wall installation across Fontana, from driveway rebuilds in 92335 to retaining walls on sloped foothill lots in 92336 and 92337. The thing that separates our Unilock work here from every other contractor is that we spec base prep to the street, not the product sheet, because Fontana’s expansive clay on the south side and Santa Ana wind exposure near the foothills demand different preparation than a flat lot in Rancho Cucamonga ever will. Call (866) 505-5254 for a free estimate, and we’ll tell you what your specific site actually needs.

Why Fontana Residents Choose Us for Unilock Service
Noel Cabrera, our owner, grew up in Daly City’s Westlake district watching his uncle re-frame a garage, then put in years swinging a hammer across residential and light commercial jobs in San Mateo and San Francisco counties before building Daly City Construction. That background matters on Unilock jobs because we approach every paver installation the way a framer approaches a load-bearing wall: you fix what’s underneath before you set anything on top. We’ve installed Unilock Brussels Block, Cambridge Pavingstones with ArmorTec, Beacon Hill Flagstone, and U-Cara wall units on Fontana driveways, patios, and retaining walls long enough to know that the paver is rarely the problem. The base, the drainage, and the edge restraint are what fail. We’re an independent Unilock installer, not manufacturer-affiliated or authorized by Unilock, so our recommendation is driven by your soil and your site, not a dealer program. Unilock sales & service is a core part of what we do, which means we stock matching pavers and the right accessories for fast turnaround across all Fontana ZIP codes.
Styles & brands we work with







Common Unilock Construction Problems We Solve in Fontana
- Efflorescence blooming on Brussels Block and Cambridge pavers: Fontana’s irrigation runoff and the Inland Empire’s winter rain pull calcium to the surface, leaving a white chalky film on driveways and patios with poor edge drainage. We clean the surface, correct the drainage, and re-joint to keep it from coming back.
- Polymeric sand washing out of joints: Santa Ana wind-driven rain events hit steep-grade and foothill installations hard, especially where base compaction was skipped on expansive clay. We strip the joints, re-compact the base where needed, and re-sand with a quality aftermarket polymeric product that holds up to wind and water.
- Base failure and rutting on driveways: Fontana’s expansive clay soils swell and shrink with the city’s wet-dry swings. When a previous installer laid thin sand over raw clay without over-excavating and reinforcing with geotextile, the pavers heave and rock within a season or two. We dig it out, build it back right, and reset the salvageable paver runs.
- Wall block settlement or bulging on U-Cara and Cambridge retaining walls: On sloped foothill lots pushing toward 92336 and 92337, walls built without geogrid for the retained height start to lean or bulge. Where the block is still serviceable, we repair the base and reset the units; where it’s structural, we rebuild the wall properly.
- Old driveways on 1950s ranchettes in 92335: The mid-century homes on the south side sit on some of the most reactive clay in the city, and their original flatwork was never designed for it. We tear out, over-excavate, set a geotextile separator, and install a compacted base that outlasts the original by decades.
Unilock Service in Fontana: What Local Conditions Mean for Your Equipment
Fontana’s older south-side ranchettes in 92335 sit on expansive clay that swells in winter rain and shrinks in the 100°F summer heat, cycling through enough movement to crack concrete and heave pavers within a few seasons if the base wasn’t engineered for it. That’s a specific Fontana condition, not a generic Southern California one. Neighboring cities like Rancho Cucamonga have pockets of it too, but the concentration of 1950s tract homes on clay soils here, combined with the city’s history as a Kaiser Steel town that built housing fast and cheap after the mill expanded, means a lot of driveways and patios in the older ZIP codes are sitting on original sub-grade that was never over-excavated or reinforced. Pushing north toward the foothills in 92336 and 92337, the newer master-planned developments sit on graded and compacted fill that drains better and moves less, so a standard base spec works there. The same Unilock paver, the same Brussels Block, will perform completely differently depending on which side of Fontana you’re on. We spec the base to the street because we’ve seen what happens when someone doesn’t.
On a Brussels Block driveway replacement off a mid-century south-side street in 92335, we found the previous install laid thin sand over raw expansive clay and the pavers had heaved and rocked through two wet winters. Our crew over-excavated 8 inches, set a geotextile separator and compacted Class II base in lifts, reset the salvageable Brussels units with new edge restraint, and finished with polymeric sand — the same thorough approach we take with our Pedley Unilock service. The driveway has stayed flat through the following summer’s 100°F swings.
Unilock Models & Products We Service in Fontana
We install and service the full Unilock range that makes sense for Fontana’s climate and housing stock: Brussels Block, the tumbled dimensioned paver that suits both mid-century ranchettes and newer foothill homes; Cambridge Pavingstones with ArmorTec for driveways that need surface strength under parked cars and trailers; Beacon Hill Flagstone for the irregular flagging look on patios and walkways; and the U-Cara Multi-Face Wall System for retaining walls on sloped lots. We source genuine Unilock pavers and wall units in matching runs so any repair keeps the color and face texture consistent with your existing field, and we use quality aftermarket polymeric sand, edge restraints, and geogrid where they outperform the OEM accessory. Fontana service area coverage means we carry these products locally for turnaround that doesn’t waste your time.
See the difference
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AfterUnilock Service Pricing in Fontana
Here’s what Unilock service in Bloomington and related construction work costs in Fontana. These are market-calibrated ranges based on the actual site conditions we see across the city’s ZIP codes. Soil type, slope, access, and the condition of your existing base all move the number, which is why a free on-site estimate beats any online quote.
| Service | Fontana Price Range |
|---|---|
| Paver Driveway Installation | $7,000 – $18,000 |
| Concrete Driveway Installation | $4,500 – $12,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Driveway Replacement | $5,000 – $14,000 |
| Driveway Sealing | $250 – $700 |
Every estimate includes a written line-item breakdown, and we’ll walk you through the exact base spec we’re recommending for your street. Call (866) 505-5254 to get yours scheduled.
Serving Fontana, CA — Our Local Coverage Area
We’re based in the Fontana area and also offer Rialto Unilock service, 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 Fontana
The difference is almost always the base. Fontana’s older south-side lots in 92335 sit on expansive clay that swells with winter rain and shrinks in summer heat, and if the previous installer laid sand directly over that clay, the pavers will heave and rock within a season or two. Newer graded tracts in 92336 and 92337 sit on compacted fill that moves less, so the same paver stays flat. We over-excavate and geotextile-reinforce the base on clay lots, which is the only reliable fix. Call (866) 505-5254 and we’ll assess your specific site.
Yes, both do. Heat above 100°F accelerates concrete and polymeric sand curing, so we schedule pours and jointing in the early morning during summer months. Santa Ana winds in October can whip loose materials off a roof or a partially installed driveway by afternoon, so we stage materials carefully and keep jobsites weighted and covered. These are Fontana-specific scheduling realities, and a contractor who doesn’t plan for them is one who leaves your job half-finished when the wind kicks up.
Yes, we source genuine Unilock pavers in matching production runs so the color and face texture blend with your existing field. Where a run is discontinued or the paver is no longer serviceable, we’ll tell you that directly and give you options for a repair that looks intentional rather than a patch job. Send us a photo or call (866) 505-5254, and we’ll tell you what’s possible before we schedule anything.
Pavers handle movement better than concrete, which matters on Fontana’s expansive clay. A concrete slab cracks when the soil beneath it swells and shrinks; a paver driveway flexes at the joints. The trade-off is cost and base investment. Concrete runs $4,500 to $12,000 for a typical Fontana driveway, while pavers start at $7,000 and go to $18,000 depending on the product and the prep. On clay soils, the paver driveway is the better long-term play if the base is built right, something our Glen Avon Unilock service team handles regularly.
We do, and this is where the U-Cara Multi-Face Wall System and Cambridge wall units earn their keep. Sloped lots in the foothill ZIP codes need geogrid reinforcement specified for the retained height, proper drainage behind the wall, and a base that won’t settle. We pull the permits, build to the engineering spec, and the wall stays put through the wettest winter and the hottest summer. Call (866) 505-5254 for a free estimate on your retaining wall project.
Service Areas Near Fontana
We serve all of Fontana’s ZIP codes plus the surrounding Inland Empire communities: Rialto, Bloomington, Rancho Cucamonga, Ontario, and Jurupa Valley. We also cover Unilock projects in Unilock service in Eastvale and Unilock service in Muscoy for homeowners in those adjacent markets.
Book Your Unilock Service in Fontana Today
Tell us what the house needs, not what you think it needs, then we’ll figure out the right fix. Call (866) 505-5254 to schedule your free Unilock estimate in Fontana, and we’ll get you on the schedule.
Written by Noel Cabrera, Owner at Daly City Construction, serving Fontana and the Inland Empire.