Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Unilock Construction in Mountain View, CA | Rowan Construction Group Palo Alto
Unilock paver and wall construction in Mountain View typically runs $3,500-$18,000 depending on scope, with most driveway and patio projects quoted within 48 hours of site visit. What makes our Unilock work here different is that we engineer every base for two distinct Mountain View conditions: the bay-mud fill and Precise Plan entitlements of North Bayshore, and the seasonally shifting slab-on-grade foundations of postwar ranch neighborhoods like Waverly Park and Rex Manor. We’re Rowan Construction Group Palo Alto, an independent Unilock construction crew - not manufacturer-affiliated - and we’ve laid more Unilock systems around Mountain View than any single franchise operation. Call (650) 446-9092 to schedule your free written estimate.
Why Mountain View Residents Choose Us for Unilock Service
We’ve been building hardscapes across the Peninsula since 2007, and our crews have handled Unilock Brussels Block, Richcliff, Beacon Hill Flagstone, and U-Cara wall systems on everything from backyard patios in Cuernavaca to commercial-adjacent driveways near the North Bayshore redevelopment zone. Grant Rowan, our owner, completed his construction technology training at Los Angeles Trade-Technical College and has spent two decades framing, forming, and finishing across this region - including a full gut-and-rebuild on a mid-century ranch near Barron Park in Palo Alto where matching original board-and-batten cedar was the make-or-break detail. That same patience shows up in how we quote Unilock jobs: measure twice, write it down, then we talk.
We buy Unilock OEM pavers, wall blocks, and caps direct through authorized distributors. Color, thickness, and finish match the original specification exactly. We use only Unilock-approved polymeric sand and jointing materials on repairs. If your patio or wall is failing because the base wasn’t engineered for Mountain View soil, we’ll tell you straight - surface repair without base reconstruction wastes money, and we’ll put that in writing before anyone picks up a shovel. Our Unilock sales & service page details our full product familiarity; our Mountain View service area coverage means we’re never far from a job site.
Every project gets a flat written price and written scope before work begins. No change proceeds without a signed change order. That’s Clause 1 of The Haven Standard, the discipline that has kept our projects within a few percent of the agreed cost across 4,000-plus jobs. You also get a documented photo record on every visit - standard, not an upgrade - and our 365-Day Done Right Promise: if it isn’t done right, we make it right, backed by printed terms, not a handshake.
Common Unilock Construction Problems We Solve in Mountain View

- Efflorescence and salt bloom on Brussels Block and Richcliff - North Bayshore’s bay-mud fill zones hold moisture longer than inland sites. Irrigation runoff and marine fog keep paver surfaces damp, drawing salts to the surface. We strip the affected layer, treat with a compatible efflorescence cleaner, and reseal with a breathable silane-siloxane product that won’t trap vapor.
- Polymeric sand loss and joint erosion after wet season - November through April, water pushes through the flat valley floor’s shallow grade and washes out joints where the original base was compacted native soil instead of engineered aggregate. We re-sweep with Unilock-approved polymeric sand and verify the bedding course drains properly before locking it in.
- Paver separation and lippage above slab-on-grade ranch foundations - In Waverly Park and Rex Manor, 1950s concrete moves seasonally and cracks the Unilock bedding course. We’ve lifted and re-laid dozens of these driveways, adding a flexible isolation strip at the slab edge and re-compacting the base with Class II aggregate to absorb the movement.
- Wall block settlement and cap cracking on U-Cara systems - Installers who failed to key the base into expansive clay soils common in Cuernavaca and along El Camino Real corridors leave walls that heave and crack within two years. We excavate to stable bearing, install a geotextile-reinforced aggregate base, and rebuild with proper drainage behind the wall.
- Drainage failure on patios with no positive grade - Mountain View’s flat valley floor makes water pooling common. We design every patio with a minimum 1% slope away from structures, and we specify channel drains or slot drains where the site geometry won’t allow natural sheet flow.
Before
AfterUnilock Service in Mountain View: What Local Conditions Mean for Your Equipment
North Bayshore’s Precise Plan ties building permit issuance to affordable housing in-lieu fees and ground-floor active-use requirements that don’t apply anywhere else in Mountain View. Any Unilock driveway or patio project near the bay’s engineered fill must be sequenced around that district’s entitlement conditions - not just standard city pre-application review. We’ve seen contractors bid these jobs assuming a routine permit timeline, then watch the project stall for months while the entitlement package clears. We flag this upfront in our written scope, coordinate with the city’s planning staff early, and build realistic sequencing into the price. The bay-mud fill itself is another factor: high liquefaction potential means deeper excavation, possible ground improvement, and heavier compaction requirements than inland Mountain View sites on firmer alluvium. These aren’t obstacles we work around; they’re conditions we engineer for from the first site visit.
Unilock Models & Products We Service in Mountain View

We work with the full Unilock residential line: Brussels Block for traditional driveway and walkway applications, Richcliff for premium patios and pool decks with its embossed surface texture, Beacon Hill Flagstone for natural-stone aesthetics without the variable thickness, and U-Cara for multi-face retaining and free-standing walls. Our supplier relationships mean we can source matching OEM units for repairs on installations from ten or fifteen years ago - critical in Mountain View, where many Unilock driveways were laid during the 2012-2018 renovation wave and are now showing base-related wear. We stock Unilock polymeric sands, edge restraints, and sealers locally for fast turnaround on repair calls. If you’re planning new construction, we’ll walk the specific product choice with you on-site, comparing samples against your home’s existing masonry and the light conditions of your particular street.
Unilock Service Pricing in Mountain View
| Service | Typical Range in Mountain View |
|---|---|
| Paver Driveway Installation | $7,000-$18,000 |
| Concrete Driveway Installation | $4,500-$12,000 |
| Paver Patio Installation | $3,500-$11,000 |
What drives cost: site access, existing demolition and haul-away, soil conditions requiring deeper excavation or geotextile reinforcement, drainage complexity, and the specific Unilock product line selected. A Brussels Block driveway on stable soil with straightforward drainage sits at the lower end; a Richcliff patio on bay-mud fill with channel drains and retaining wall integration sits higher. Every estimate we deliver is a flat written price with line-item breakdown - material, labor, equipment, permits, and disposal - before any work starts. We also offer a Free Second Opinion on any written estimate you’ve received from another contractor; bring it in and we’ll review it line by line at no charge. Call (650) 446-9092 to schedule your free estimate.
Serving Mountain View, CA - Our Local Coverage Area

We’re based in the Mountain View area 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 Mountain View
No. Mountain View’s streamlined ADU process governs the dwelling unit itself, not accessory hardscape. Your Unilock patio or driveway follows standard setback and impervious-coverage rules, though we verify total lot coverage before design finalization. If you’re adding an ADU and want hardscape integrated into the plan, we coordinate the sequencing so neither permit path delays the other. Call (650) 446-9092 and we’ll map the timeline in your free estimate.
North Bayshore’s engineered fill over bay mud holds moisture longer and shifts more under seismic load, so efflorescence, base settling, and joint sand washout appear faster and more severely than on firmer inland soils. Our repair approach there includes deeper aggregate bases, geotextile separation layers, and more aggressive drainage detailing. Call (650) 446-9092 for a site-specific assessment.
Yes. We source OEM replacement units through authorized Unilock distributors, matching the original color blend, thickness, and surface finish. Unilock’s manufacturing tolerances are tight enough that decade-old installations typically accept new units without visible variation, provided the original product line is still in production. If it’s discontinued, we identify the closest current equivalent and show you a sample before ordering.
They do. Slab-on-grade and post-and-pier foundations in these neighborhoods move seasonally with soil moisture changes, and that movement transmits upward into hardscape if the base isn’t isolated properly. We install flexible expansion joints at structure interfaces and use engineered aggregate bases that absorb differential movement without cracking the paver surface. A homeowner on a postwar ranch lot in Waverly Park called us after their Unilock Brussels Block driveway began separating and rocking near the garage slab - the original installer had laid the pavers over compacted native soil with no engineered base. We excavated to 8 inches, re-compacted with Class II aggregate, re-laid the original Brussels Block with Unilock polymeric sand, and added a channel drain at the slab edge. The driveway has stayed flat through two wet seasons and the owner is now using us for a Richcliff patio behind the house.
Polymeric sand loss and joint erosion, especially on driveways and patios where the original base was compacted native soil rather than engineered aggregate. The November-April rains push water through the flat valley grade, fluidizing the bedding course and washing out joints. We re-sweep with Unilock-approved polymeric sand after verifying the base drains properly, and we add edge restraints where the original installation omitted them. Call (650) 446-9092 for an exact quote - estimates are free.
Service Areas Near Mountain View

We build Unilock hardscapes throughout the mid-Peninsula, with regular work in Unilock service in Palo Alto, Unilock service in Los Altos, Sunnyvale, Woodside, and Cupertino. Crews are dispatched from our Palo Alto base, so Mountain View jobs typically get same-week site visits and fast material delivery from Peninsula suppliers.
Book Your Unilock Service in Mountain View Today
Call (650) 446-9092 to schedule your free written estimate. We’ll walk your site, identify the soil and drainage conditions that matter for your specific Unilock project, and deliver a flat price with line-item breakdown before any work starts. Our live answering service takes calls 24/7, and we typically schedule Mountain View site visits within two business days.
Written by Grant Rowan, Owner at Rowan Construction Group Palo Alto, serving Mountain View since 2007.







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