Unilock Driveway & Pavers Nationwide

Unilock Driveway & Pavers: The Cupertino Owner’s Guide

Unilock paver driveway repair in Cupertino typically runs $7,000-$18,000 for full replacement, while spot repairs on failing sections start around $2,500-$5,500 depending on base damage. We stock Unilock-compatible pavers and edge restraints for the Beacon Hill, Richcliff, and Thornbury series, and most Cupertino homeowners get a written estimate the same day they call. Most owners discover the problem after winter rains: joints that won’t drain, pavers that rock underfoot, or edge courses that have migrated an inch or two toward the street.

Call (669) 202-9618

Which Unilock Models This Applies To

Unilock’s driveway lines break into three tiers, and the part you need depends on which system was originally installed. The U-Cara multi-face wall and paver system uses proprietary clip connectors; lose one and the facing panel loosens. Beacon Hill Flagstone and Richcliff are the most common driveway surfaces we see in Cupertino’s Monta Vista and Rancho Rinconada neighborhoods, installed during the 2015-2020 build wave. These use standard 60mm or 80mm thicknesses, but the critical spec is the joint sand stabilizer - Unilock’s EasyClean stain resistance is a factory treatment, not a sealer you reapply, so matching replacement pavers requires confirming that SKU.

To identify your model: check for a small stamped “U” logo on the paver edge, or look for the original project documentation. If you have Thornbury or Courtstone (the cobble-style line popular in older Cupertino estates), note that these are 70mm and use a different edge restraint profile than the 60mm lines. We source OEM Unilock where the color batch matters, and we keep compatible Techo-Bloc and Belgard edge restraints on the truck for same-day stabilization - the function is identical, though we note the substitution in writing. Rowan Construction Group Cupertino is an independent service provider; we are not affiliated with Unilock.

Signs Your Unilock Driveway & Pavers Is Failing

• Pavers rock or click under tires. The bedding sand layer has eroded or washed out, usually from a failed joint seal or inadequate edge restraint. In Cupertino’s clay-heavy soils, this accelerates after the first heavy winter storm when water ponds instead of shedding.
• Joint sand disappears within a season. Polymeric sand breaks down under UV and pressure-washing; once it’s gone, the interlock is gone, and individual pavers start to migrate. We see this most on south-facing driveways in Cupertino’s older subdivisions where the original installer used standard sand instead of stabilized product.
• Edge course pulls away from the border. The plastic or aluminum edge restraint has cracked or the spikes have backed out of wet soil. This is the failure that turns a $400 repair into a $4,000 replacement, because the field pavers follow the edge into the planter.
• Surface staining that won’t lift. Unilock’s EasyClean treatment degrades over 8-12 years in California sun. Oil and irrigation rust penetrate the paver body once the treatment fails; the paver isn’t structurally compromised, but replacement is the only cosmetic fix.
• Low spot that holds water past noon. The base course - typically 4-6 inches of compacted Class 2 aggregate in Cupertino - has settled or washed out beneath. This means the paver bed is no longer supported, and the surface will continue to dish until the base is rebuilt.

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Replacement Cost & What’s Included

Here’s what driveway and paver work costs in Cupertino, with parts and labor separated:

• Paver driveway installation (new): $7,000-$18,000
• Concrete driveway installation (comparison): $4,500-$12,000
• Spot repair / section replacement: $2,500-$5,500
• Driveway sealing (maintenance): $250-$700

The range on full replacement is driven by three things: square footage, base condition (whether we can reuse the aggregate or excavate to clay), and paver selection - Unilock’s U-Cara and Richcliff lines run higher per square foot than Thornbury. Every quote we deliver in Cupertino is a flat written price with line-item materials, including the paver series, edge restraint type, and joint sand specification. Under Clause 1 of the Haven Standard, that price is locked before work starts; no change proceeds without a signed change order. Our 365-Day Done Right Promise covers the installation, and you receive a documented photo record of the excavation, base prep, and finished surface - included, not an upgrade.

DIY or Call Us?

There’s a clear line between what a Cupertino homeowner can check and what requires equipment most don’t keep in the garage. You can verify the paver model number, photograph the edge restraint condition, and confirm whether water drains within an hour - that’s useful information to share when you call. What goes wrong on DIY paver repair is the base: hand-tamping replacement aggregate doesn’t achieve the 95% standard Proctor density that prevents the next settlement cycle, and without a plate compactor and proper screed rails, the new section will be proud or low within two seasons. Edge restraint installation looks simple until you’ve cut 40 linear feet with a miter saw and discovered the spike pattern doesn’t hold in Cupertino’s spring mud. For base failures or anything involving excavation, we recommend a trained crew. Call (669) 202-9618 to schedule your free estimate - we’ll inspect, photograph, and price it in writing.

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