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Unilock Construction in Irvine, CA | Square One Builders
We install and repair Unilock pavers, walls, and permeable systems across Irvine as an independent contractor. We’re not authorized or sponsored by Unilock, but we work from the same published detail sheets and ICPI installation standards any Unilock-trained installer uses, and we know which Irvine village architectural committees will reject a submittal over an unlisted color blend. That paperwork experience, not a manufacturer badge, is what keeps projects moving in this city. Call (877) 688-9930 for a free estimate on paver driveways, patios, and wall work anywhere in Irvine.

Why Irvine Residents Choose Us for Unilock Service
Unilock has been making segmental concrete pavers since 1972, and we’ve spent enough time with their product lines to know them the way a mechanic knows an engine. Brussels Block, Beacon Hill, Elegance, Umbriano, Il Campo, Hollandstone – we can pull up the spec sheet for any of them from memory. But the reason Irvine homeowners stick with us has less to do with product knowledge and more to do with process. Brent Calloway grew up in Midway City just off Bolsa Avenue, learned framing and concrete at Golden West College in Huntington Beach, and has spent close to three decades working homes throughout Orange County. When we’re on an Irvine job, we’re not guessing at drainage setbacks or HOA submittal quirks. We know which villages want what, and we’ve already seen what happens when a submittal gets it wrong. We provide independent Unilock sales & service across Irvine, which means we answer to the homeowner, not the manufacturer’s program. If a domestic segmental block picks up the same look for a better number, we’ll say so.
Styles & brands we work with







Common Unilock Construction Problems We Solve in Irvine
- Efflorescence blooming on Brussels Block and Estate Wall faces. After Irvine’s first winter rains, salt drawn from cement-rich bedding sand wicks up through the paver face and leaves a chalky white film. It’s not a bad batch of pavers. It’s a cement chemistry issue, and it shows up especially hard on newly built Great Park lots where irrigation overspray meets fresh paver installations.
- Polymeric sand joint failure on Santa Ana wind-exposed patios and west-facing driveways. Irvine’s hot, dry winds scour fine sand out of paver joints. Within a season or two, joints open, pavers shift, and weeds take root. In Northwood and Orchard Hills, where elevated lots catch full wind exposure, we see this within the first year.
- Edge-restraint and base failure on driveways over Irvine’s expansive clay and decomposed-granite soils. Without proper geotextile separation, the subgrade swells and shrinks with moisture changes, causing rutting at the tire paths and paver walk-out at the apron. This is common in the 1970s-era villages of Woodbridge and University Park, where original concrete driveways come out and paver driveways go in over old clay.
- UV and irrigation-driven color shift and algae staining on shaded north-facing walkways. Irvine gets very little rain, but high evaporation rates pull moisture up through the paver face. Add shade from two-story tract homes and you get algae staining on the north side of walkways in Turtle Rock and Westpark within a couple of years.
- Paver settlement over old utility trenches and backfilled pools. Many Irvine homes replaced original pools or re-routed drainage lines over the decades, and that backfill was rarely compacted properly. We regularly see sunken paver lines tracing exactly where an old trench or pool shell sat, particularly in University Park and Woodbridge.
Unilock Service in Irvine: What Local Conditions Mean for Your Equipment
Irvine is a master-planned city developed almost entirely by the Irvine Company under village-specific design guidelines. That matters more than most homeowners realize, because your front-yard hardscape has to clear an architectural committee before a single paver goes down. A Unilock color blend that clears in Turtle Rock can be rejected outright in the Great Park neighborhoods. The plan set, not the product, is often the schedule risk. We opened this page with that point because it’s the single biggest differentiator between an installer who knows Irvine and one who treats it like any other Orange County suburb. Woodbridge, Northwood, Turtle Rock, Great Park – each village has its own approved palette and percentage-of-lot coverage limits. We also handle Unilock in North Tustin with the same village-level attention. We’ve walked through enough of these submittals to know that the fastest way to blow a hardscape project’s schedule is skipping the architectural review step. In Woodbridge, we tore out an original 1970s concrete driveway and re-set a Brussels Block driveway with a charcoal-and-sandstone blend after the homeowner’s architectural submittal was bounced twice for a color that wasn’t on the village-approved list. We re-drew the plan with the committee-approved blend and a geotextile-separated base over the old clay. That driveway has gone through two Santa Ana seasons without a lifted edge or blown joint. That’s what the paperwork experience buys you in Irvine.
Unilock Models & Products We Service in Irvine
We work across the Unilock product range that matters for Irvine’s tract homes and newer builds, and we bring that same expertise to Unilock service in Aliso Viejo. Brussels Block and the Brussels Dimensional System are the standard front-walk and driveway pavers in most Irvine villages. Beacon Hill smooth-face wall block shows up on planter and seat walls cut into Irvine’s slopes, particularly in Turtle Rock and the hillside edges of Orchard Hills. For entry walks and patios, Elegance and Umbriano large-format slabs are the most common spec in Great Park and Spectrum-area homes. Il Campo and Hollandstone get used for pool decks and side-yard hardscape across the city. On parts and approach: we install genuine Unilock units when a village’s approved palette requires a specific line, and we use quality domestic segmental block and ASTM-graded base and bedding materials when only the look matters. We match or replace individual damaged pavers rather than overlay whenever the base is intact. A properly based Unilock installation is decades-serviceable, and replacement is almost always the wrong call unless the base itself has failed. When that’s the case, we say it straight and show you why.
See the difference
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AfterUnilock Service Pricing in Irvine
| Service | Irvine Price Range |
|---|---|
| Paver Driveway Installation | $7,000 – $18,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Driveway Replacement | $5,000 – $14,000 |
| Driveway Sealing | $250 – $700 |
What drives the number? Lot coverage limits, village-approved color blends, the condition of your existing base, and whether we’re pulling out old concrete or starting fresh. A standard two-car driveway in Woodbridge replacing original concrete with Brussels Block typically lands in the middle of that range. A compact Great Park courtyard patio runs lower. Our free estimate is a written line-item quote, not a verbal ballpark. We walk the site, check the subgrade, and give you the number. Call (877) 688-9930 to schedule yours.
Serving Irvine, CA — Our Local Coverage Area
We’re based in the Irvine area and know this community well, and we also provide Tustin Unilock service. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.

FAQs – Unilock Construction in Irvine
Yes. Nearly every Irvine village – Woodbridge, Northwood, Turtle Rock, Great Park, University Park – requires architectural committee review for front-yard hardscape changes before work starts. The committee checks the specific color blend, material, and percentage of lot coverage against the village’s approved palette and design standards. We prepare the submittal package as part of our scope, including the exact Unilock line and color blend so the plan set matches what gets installed. Call (877) 688-9930 if you want help getting a submittal through.
That’s efflorescence, and it’s common on Brussels Block and Estate Wall faces in Irvine after the first winter rains. Water enters the paver, dissolves calcium salts from the cement-rich bedding sand, and deposits them on the surface as a white film when the water evaporates. It’s not defective product. It’s a moisture-and-cement chemistry issue that shows up worse in Irvine’s low-rainfall, high-evaporation climate because the wicking cycle repeats constantly. We can usually clean and re-stabilize the surface without pulling pavers. Call (877) 688-9930 and we’ll take a look.
It depends on exposure, and in Irvine’s Santa Ana wind zones, standard polymeric sand doesn’t always hold. We also offer Unilock repair in Santa Ana for similar wind-exposure issues. West-facing driveways and open patios in Northwood, Orchard Hills, and the elevated edges of Great Park take direct wind blasts that scour fine sand out of joints within a season or two. We often spec a higher-polymer sand with better cohesion, and on extreme exposures we’ll adjust joint width or paver pattern instead of relying on sand alone. Every site is different, so we check your actual wind exposure before writing the joint spec.
Yes. If your base is intact, we match or replace individual damaged units rather than overlay the whole patio. We can source the exact Unilock line and blend – Brussels Block, Beacon Hill, Umbriano, whatever’s there – and match the current weathered color as closely as the product allows. When the base has failed, patching individual pavers won’t hold, and we’ll tell you that straight rather than sell you a short-term fix. Call (877) 688-9930 for a site review.
Irvine sits on expansive clay and decomposed granite, and that soil expands and contracts with moisture changes. Without geotextile separation between the subgrade and the base, that movement produces rutting, uneven settlement, and paver walk-out at the driveway apron. We install geotextile as a separator layer on every Irvine paver driveway, which prevents subgrade fines from migrating into the base and keeps the system stable through both wet winters and bone-dry Santa Ana stretches. Call (877) 688-9930 for an exact quote on your driveway – estimates are free.
Service Areas Near Irvine
From our base serving Irvine service area zip codes 92617 through 92620, we also run Unilock jobs in surrounding Orange County communities. We provide Unilock service in La Habra to the north, and Unilock service in Brea to the northeast. Homeowners around Corona, Norco, and the foothill communities call when they need the same Irvine-level architectural submittal experience on their side of the county line.
Book Your Unilock Service in Irvine Today
Start from square one, build it right. We’ll walk your site, check the subgrade and the village rules, and give you a written line-item quote before you spend a dollar. Call (877) 688-9930 to schedule your free estimate. Written by Brent Calloway, Owner & General Contractor at Square One Builders, serving Irvine since 1998.