Cambridge Pavers Home Additions & ADU Nationwide

Cambridge Pavers Home Additions & ADU: The Cupertino Owner’s Guide

We stock and install Cambridge Pavers-compatible hardscape systems for home additions and ADU projects in Cupertino, with typical installed pricing from $45,000 to $130,000 for additions and $90,000 to $220,000 for detached ADUs. Most Cambridge Pavers material orders arrive within 5-10 business days from our regional distributor in San Jose, and we coordinate delivery to lock in your project’s timeline. Homeowners usually discover their paver system needs attention when settling or drainage issues appear around an existing addition’s perimeter, or when an ADU foundation requires a permeable hardscape solution that matches the main home’s Cambridge installation.

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Which Cambridge Pavers Models This Applies To

Cambridge Pavers produces several product lines relevant to Cupertino home additions and ADUs: the ArmorTec paving stones (standard 2 3/8″ thickness, 4″ x 8″ through 12″ x 12″ formats), the permeable Eco line (designed for Santa Clara County’s stormwater management requirements), and the WallStone retaining systems used for grade changes common in Monta Vista and Rancho Rinconada lots. To identify your existing material, check the spacer bars on the paver edge - Cambridge stamps a small “CP” logo and batch code on every unit produced after 2018. Older installations may show only a color number.

The OEM-versus-aftermarket decision here is straightforward: Cambridge’s ArmorTec surface layer, a proprietary cementitious coating, is not replicated by third-party manufacturers. For repairs or extensions to existing Cambridge installations in Cupertino, we source factory-matched units through Cambridge’s West Coast distribution in San Jose. For new ADU patios or walkways where color consistency with the main home matters less, Belgard or Techo-Bloc equivalents can reduce material costs by 15-25 percent, though the surface texture and wear characteristics will differ over time. We note this distinction in every written quote - Clause 1 of the Haven Standard requires the price to reflect exactly what arrives on the truck.

Signs Your Cambridge Pavers Home Additions & ADU Is Failing

• Visible settling or lippage between pavers. In Cupertino’s clay-heavy soils, particularly in the lower-lying areas near Stevens Creek, seasonal moisture expansion and contraction undermine the compacted base. The pavers tilt as the bedding sand migrates, creating trip hazards and drainage pools.
• White efflorescence blooming across the surface. This calcium carbonate deposit indicates moisture moving through the paver body - common in Cambridge installations where the vapor barrier beneath an addition’s patio was omitted or punctured during foundation work.
• Joint sand washing out between units. Cambridge’s beveled-edge design relies on tight polymeric sand interlock; once the joint material erodes, the pavers lose load distribution and individual units begin to rock under foot traffic.
• Cracking concentrated near the addition’s foundation wall. Differential settlement between the rigid concrete foundation and the flexible paver base creates a shear zone. In Cupertino’s older Monta Vista homes, we’ve tracked this to original construction that omitted the 6-inch gravel transition zone specified in Cambridge’s installation manual.
• Drainage reversal - water flowing toward the addition instead of away. Cambridge permeable pavers require a minimum 1% slope maintained across the entire surface. When adjacent landscaping settles or roots displace edge restraints, the grade inverts and water pools against stucco or siding.

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Replacement Cost & What’s Included

For Cambridge Pavers hardscape tied to a home addition or ADU in Cupertino, installed pricing breaks down as follows:

The range reflects three variables: whether we’re matching existing Cambridge material (factory orders carry longer lead times), the extent of base repair required after removal of failed pavers, and whether the project triggers Cupertino’s ADU permit pathway - which requires engineered plans, Title 24 energy compliance, and sewer lateral verification. Every quote we write names the paver series, the base depth, and the compaction spec. The 365-Day Done Right Promise covers both materials and installation labor; if a paver cracks or settles due to our base work, we remove and replace at no charge.

DIY or Call Us?

What a Cupertino homeowner can safely assess: walk the surface with a 4-foot level to confirm slope direction, photograph any cracking pattern for our review, and check the original project file for the Cambridge color code (usually noted on the final invoice from the installing contractor). What goes wrong with DIY repair: lifting settled pavers without recompacting the base in 6-inch lifts with a plate compactor guarantees recurrence within two seasons; improper polymeric sand installation leaves joints vulnerable to weed intrusion and ant colonization; and matching Cambridge’s ArmorTec color requires factory samples under natural light, not screen-based color matching.

We carry no stock of Cambridge Pavers on our trucks - the color range is too broad, and the factory batching too precise - but we maintain same-week measurement appointments and written quotes before any work starts. Call (669) 202-9618 to schedule yours.

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