







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Why Orange County Homeowners Choose Unilock Construction
We provide independent Unilock Construction in Orange County, CA, including installation and repair service across the county, from full paver driveway replacements to localized edge-restraint fixes and polymeric sand re-jointing. Our crews have installed and serviced hundreds of Unilock paver systems in this county, which means we know exactly how Orange County’s clay-heavy soils, Santa Ana wind cycles, and hard irrigation water affect these specific products. As an independent Unilock service provider, we’re not tied to manufacturer quotas or warranty-protecting shortcuts; we recommend the repair that fits your landscape and budget. Call (424) 541-1701 for a written, line-item estimate before any work begins.
Orange County’s construction landscape is a patchwork of master-planned communities built during the postwar boom, and each city enforces its own building codes and development standards. Homeowners in Irvine’s older residential neighborhoods near the Spectrum, for example, often call our Irvine Unilock service when updating 1980s and 90s builds, while tracts in Anaheim and Garden Grove carry original 1950s and 60s infrastructure. If you own Unilock pavers in any of these areas, the issues you face are shaped by local soil chemistry, drainage patterns, and decades of sun exposure, not just the product itself.
Key Takeaways:
- We are an independent Unilock service provider in Orange County, not a manufacturer-authorized dealer; we make repair decisions based on what works, not what protects a brand warranty.
- We service and install Unilock Brussels Block, Richcliff, Beacon Hill, and Town Hall paver lines, along with accessory systems like edge restraints and polymeric sand.
- Local knowledge matters here: Orange County’s expansive clay soils and hard water create failure modes you won’t see in coastal San Diego or the Inland Empire.
- Every project gets a written price before work starts, backed by our 365-Day Done Right Promise.
Why Trust Penhallow Remodeling Orange County for Your Unilock Construction?

Unilock pavers are a specific product with specific tolerances. Their blend codes, joint widths, and base-depth requirements vary by line, and installing or repairing them correctly takes hands-on time with the actual materials. Our technicians have spent years working with Unilock Brussels Block, Richcliff, Beacon Hill, and Town Hall across Orange County. Trevor Nash, who offers General Contractor services as owner of Penhallow Remodeling Orange County, grew up in the San Gabriel Valley side of Los Angeles and learned construction at Los Angeles Trade-Technical College before spending decades managing crews across Southern California. He’s the one who’ll walk your paver driveway with a string line and tell you, plainly, whether the base has failed or the edge restraint just gave up.
We’re not authorized by Unilock, and we won’t pretend otherwise. What we bring is independent, field-tested knowledge of how Unilock products behave in this county’s soil and climate. We’ve pulled apart failed installations in Tustin and Garden Grove, plus many requiring our Fullerton Unilock service and rebuilt them to hold under conditions the original installer never accounted for. That’s the difference between reading a manufacturer spec sheet and actually re-compacting a clay subbase to 95% Proctor in August heat.
Our work carries the 365-Day Done Right Promise in writing: if something fails inside the guarantee period, we come back and fix it at no charge. No service call fee, no re-inspection fee, no argument. We also give every homeowner a written price before any work starts. The number we hand you on day one is the number on the invoice. That’s the Kingswell standard we’ve operated under since 2004, and it applies to every Unilock job we take in Orange County.
Styles & brands we work with







Common Unilock Construction Problems We Fix in Orange County
Below are the failure modes we see most often on Unilock paver systems throughout Orange County. These are not generic paver problems; each one is tied to how Unilock products interact with this region’s specific soil, water, and weather conditions.
- Surface erosion and color fade on older Brussels Block and Mattoni pavers. Orange County’s hard irrigation water, combined with intense UV exposure during long dry summers, slowly etches the surface of older Unilock pavers. The color doesn’t just fade evenly; it goes chalky and patchy, especially where sprinkler overspray hits the same spot for years. We can often restore the appearance with a deep clean and a penetrating sealer, but in some cases, localized replacement with matching blend codes is the honest fix.
- Edge restraint failure causing creeping pavers and widening joints. This is the single most common Unilock issue we fix in Orange County. The original installation used a flimsy plastic or aluminum edge restraint that degraded, or the installer never installed one at all. Once the edge lets go, pavers start migrating outward, joints open up, and the whole surface loses its interlock. Driveway aprons and walkway borders are especially vulnerable. We replace the failed restraint with a heavy-duty product rated for this county’s expansive soils, then re-set the perimeter blocks.
- Settling and heaving from inadequate base compaction or organic decomposition. Orange County’s clay-heavy soils expand when wet and contract when dry. If the original base wasn’t compacted properly, or if organic material was buried under the pavers, you’ll see low spots, high spots, and pavers that rock underfoot. This usually requires removing the affected area, re-compacting the base with a geotextile separation fabric, and resetting the pavers. Patching the surface without fixing the base is a temporary Band-Aid.
- Polymeric sand joint washout from aggressive pressure washing. We see this constantly in Orange County, especially in neighborhoods where homeowners or landscape crews hit paver patios with a high-pressure nozzle. Unilock’s jointing sands, including EasyJoint, hold up well under normal conditions, but a pressure washer set too high will blast the sand right out of the joints. Once the sand is gone, weeds take root and pavers start shifting. The fix is re-sanding with the correct product and adjusting how the surface gets cleaned.
- Joint sand erosion from hard water and salt air in coastal Orange County zones. In Huntington Beach, Newport Beach, and other salt-air communities, the combination of mineral-heavy irrigation water and airborne salt accelerates joint sand breakdown. We re-sand with a polymeric product formulated for high-mineral environments, then advise a maintenance schedule that actually fits the exposure.
Unilock Parts & Our Repair-vs-Replace Approach

When we repair Unilock surfaces, we use genuine Unilock pavers with matching blend codes. Blend codes matter: a Brussels Block paver from a different manufacturing run can vary enough in color and texture to stand out like a patch. We track down the right blend, even for discontinued lines, before we quote a repair.
For accessory components, we take a different stance. Edge restraints, base panels, and polymeric sand are not brand-sensitive in the same way. We often recommend high-performance aftermarket edge restraints and geotextile fabrics that outperform the OEM defaults for Orange County’s expansive clay soils. The same goes for polymeric sand: we select products formulated for high-mineral conditions and salt-air exposure, which matters in coastal zones.
Our repair-vs-replace calculus is straightforward. If the pavers are structurally sound and the problem is joint washout, edge restraint failure, or localized settling, we repair. If the original base was never compacted properly, or the original color line has been discontinued and we can’t source matching blocks, we’ll tell you honestly that replacement is the better investment. We won’t sell you a full tear-out because it pads a quote. Call (424) 541-1701 and we’ll tell you which side of that line your project falls on.
Our Unilock Service Process – Step by Step
- 1
Diagnosis. We walk the entire surface with a string line and a level, checking for low spots, joint separation, and edge restraint failure. We probe the base in key areas to determine whether settlement is surface-level or structural. You get a written diagnosis, not a verbal guess.
- 2
Repair or installation plan. We identify which Unilock blend codes we need, whether the base requires re-compaction, and which accessory products will hold under Orange County’s soil conditions. We put the full scope in writing with a line-item price.
- 3
Repair or installation. For repairs, we remove only the affected area, preserve reusable pavers, and rebuild the base correctly. For new installations, we compact to 95% Proctor density, lay geotextile fabric where soil conditions require, and set edge restraints before placing a single paver.
- 4
Testing and final walkthrough. We check drainage, verify joint sand is fully swept and set, and walk the surface with you. If anything doesn’t meet our standard, it gets fixed before we call the job done.
- 5
Warranty in writing. Every Unilock job carries our 365-Day Done Right Promise. If the surface fails inside the guarantee period, we return and repair it at no charge. The guarantee is included with every job, in writing, on day one.
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AfterUnilock Products We Service & Install in Orange County

We install and service the Unilock paver lines most commonly found in Orange County residential landscapes:
- Unilock Brussels Block: A tumbled, old-world style paver popular in 1990s and 2000s Orange County builds. We see the most color fade and edge restraint issues on this line.
- Unilock Richcliff: A larger-format plank-style paver with a more contemporary profile. Base preparation is critical with these, because their longer dimensions magnify any settlement.
- Unilock Beacon Hill: A flagstone-textured paver often used for pool decks and patios. We service significant numbers of these in Irvine and south county neighborhoods.
- Unilock Town Hall: A smaller-format paver with a classic brick aesthetic, common in driveways and walkways in older Anaheim and Garden Grove tracts.
We stock common blend codes for these lines locally, and we can source discontinued colors through our supplier network. If you’re not sure which Unilock line you have, call (424) 541-1701 and we’ll identify it from a photo or a quick site visit.
We Also Service These Brands
Penhallow Remodeling Orange County works across multiple product lines, including KraftMaid and Wellborn cabinetry, Cambria and Silestone countertops, and Kohler fixtures. That multi-brand fluency means we’ll never push a Unilock-specific fix when a different material or system genuinely serves you better.
FAQs – Unilock Construction Service in Orange County
No. We are an independent Unilock service provider, not an authorized dealer or manufacturer affiliate. That independence is deliberate: we recommend repairs based on what’s right for your Orange County property, not what protects a manufacturer warranty. Our technicians are trained on Unilock products and have installed and serviced these paver lines for years, but we answer to our own 365-Day Done Right Promise, not a corporate program.
Yes, we use genuine Unilock pavers with matching blend codes for all repairs. For accessory components like edge restraints, base materials, and polymeric sand, we often select high-performance aftermarket products that outperform OEM defaults for Orange County’s expansive clay soils and hard water conditions. We’ll show you exactly what we’re using and why before any work begins.
A localized edge restraint repair or polymeric sand re-jointing typically takes one to two days. A full paver driveway replacement with base re-compaction usually takes three to five days depending on square footage and access. We’ll give you a defined arrival window in writing before the project starts, and the crew shows up when we said they would. Call (424) 541-1701 and we’ll give you a realistic timeline for your specific job.
We service and install Unilock Brussels Block, Richcliff, Beacon Hill, and Town Hall paver lines, plus the associated edge restraint, base, and jointing systems. If you have an older or discontinued Unilock line, call us anyway; we can often source matching pavers through our supplier network or identify a compatible current product.
If your Unilock product is still under manufacturer warranty, independent service does not automatically void it, but the warranty terms vary by product line and installation date. We’re upfront about this: we’ll help you understand what your warranty actually covers, and we’ll never recommend a repair that would put it at risk unnecessarily. Our own 365-Day Done Right Promise covers our workmanship regardless of what the manufacturer does.
Here are our current Orange County price ranges for the most common Unilock projects:
| Project | Price Range |
|---|---|
| Paver Patio Installation | $3,500 – $11,000 |
| Paver Driveway Installation | $7,000 – $18,000 |
| Driveway Replacement (including Unilock paver reset and base repair) | $5,000 – $14,000 |
Your exact number depends on square footage, base condition, access, and which Unilock line you’re using. Call (424) 541-1701 for a written, line-item quote. Estimates are free.
We recently replaced a collapsing driveway apron in Tustin where an original Unilock Brussels Block installation had been laid over an un-compacted clay subbase. Every rain event pushed pavers further out of plane and separated the sanded joints. We removed 400 square feet of usable top-layer blocks, re-compacted the base to 95% Proctor with a geotextile separation fabric, then reset the original pavers with new edge restraints and Unilock EasyJoint sand. Two years later the driveway still holds a flush string line without a single low spot. That’s the difference between fixing the surface and fixing the base, and it’s the standard we bring to every Unilock job in Orange County.
In most cases, yes. If the underlying concrete slab is sound, we can repair localized paver issues without breaking it up. The problems we fix most often, like edge restraint failure, joint sand washout, and minor settling, don’t require slab demolition. Tear-outs are only necessary when the concrete base itself has cracked, heaved, or failed structurally. We’ll tell you which situation you have before we quote anything.
Shifting with sand still in the joints almost always points to a base or edge restraint problem, not a joint problem. The sand is doing its job between the pavers, but the perimeter of the installation has failed, or the base underneath has lost its compaction. When water saturates Orange County’s clay soils, the ground swells, and a weak edge lets the pavers creep outward. The fix is repairing the edge restraint and re-compacting the base, not just adding more sand. Call (424) 541-1701 and we’ll diagnose it properly.
Sealing is optional but recommended in this climate. Orange County’s hard irrigation water and prolonged UV exposure accelerate surface erosion and color fade, especially on older Unilock lines like Brussels Block and Mattoni. A penetrating sealer slows that damage and makes the surface easier to clean. We can advise which sealer works best for your specific paver line and sun exposure.
Aggressive pressure washing is the most common culprit in Orange County. A high-pressure nozzle forces water into the joints and breaks the polymeric bond, washing the sand out. Hard irrigation water and salt-air exposure in coastal zones can also accelerate breakdown. Once the sand is gone, weeds move in and pavers start shifting. We re-sand with a product suited to your specific conditions and explain how to clean the surface without undoing the work.
Yes. When a patio has drainage issues but the pavers themselves are structurally sound, we remove the pavers, re-grade and re-compact the base to correct the pitch, and reset the same blocks. Reusing existing Unilock pavers saves you thousands compared to buying new, and as long as the blocks aren’t cracked or heavily faded, the result looks nearly identical. We’ll assess your pavers and tell you honestly whether reuse makes sense.
Book Your Unilock Service in Orange County, CA
If your Unilock pavers are shifting, fading, or losing their sand, call (424) 541-1701 for a free, written estimate. We’ll diagnose the problem, put the price in writing before any work begins, and back the job with our 365-Day Done Right Promise. When it comes to Unilock construction in Orange County, we give you the number first, then pick up the tool.
Written by Trevor Nash, Owner at Penhallow Remodeling Orange County, serving Orange County homeowners with written pricing and guaranteed workmanship.


