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FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Unilock Construction in Portola Valley, CA | Moreno Valley Builders
We provide independent Unilock paver and wall installation across Portola Valley, from driveway aprons on Alpine Road to patio fields behind mid-century ranchers. The one thing that makes our Unilock work different here is simple: we plan every layout around the heritage oaks and the WUI fire code, then build the base to hold up under winter runoff. That’s a Portola Valley problem, not a paver problem, and it’s the reason our fields stay flat when others start to creep. Call (877) 752-3154 for a free estimate on Unilock sales & service in Portola Valley.
Why Portola Valley Residents Choose Us for Unilock Service
We’re not a paver-only crew. We’re a full-scope general contractor that happens to do a lot of Unilock work because we’ve watched what actually fails on sloped, tree-covered lots. Noel Trevino, our owner, grew up in Sunnymead Ranch and spent years at Riverside City College learning framing, concrete, and mechanical systems before tearing out what other contractors got wrong. That background matters in Portola Valley because a paver patio here is never just a paver patio. It sits near a protected root zone. It drains onto a slope. It might be part of a defensible-space plan. We manage the whole job under one roof, from the Portola Valley service area perimeter to the final sand joint, so you’re not coordinating a landscaper, a drain guy, and an arborist on your own.
We specify Unilock because their modular units and edge restraints perform on difficult sites, not because a dealer agreement tells us to. We’re independent. We’re not authorized by Unilock, not sponsored by them, not endorsed. When a Brussels Block field is sound but the joints have washed out, we re-sand and replace the edge restraint rather than tear out good units. If the details aren’t right on paper, they won’t be right in the wall.
Styles & brands we work with







Common Unilock Construction Problems We Solve in Portola Valley
- Root heave under heritage oaks. Pavers get lifted and racked when a field was laid too tight to a protected oak’s root zone. In Portola Valley, that’s not a cosmetic issue. The Town’s arborist review means we probably shouldn’t have been machine-digging there in the first place. We hand-excavate inside root-protection zones and re-compact the base in lifts so the tree can live and the field stays level.
- Efflorescence and joint-sand washout under heavy canopy. Oak leaf litter and shade keep paver surfaces damp far longer than an open lot two miles down the hill. That trapped moisture drives white mineral staining and breaks down standard joint sand. We use Unilock-compatible polymeric sand and often adjust the slope so water doesn’t linger at the surface.
- Base settlement at the house edge. We see lippage where a patio or driveway apron transitions from compacted native soil to a pier-and-grade-beam foundation zone. The paver field looks fine mid-span but sinks right where it meets the house. That’s a base compaction fail, not a paver defect, and we rebuild it rather than leveling over the problem.
- Winter runoff scouring bedding sand. On a graded Portola Valley driveway, an open joint that daylights onto a slope will blow out bedding sand every wet winter. Without a defined outlet and proper edge restraint, the pavers loosen and migrate. We fix the outlet first, then the restraint, then the sand.
- Edge creep on fill slopes. Older paver driveways built on fill settling over decades will drift outward at the edges, especially where the drive curves downhill. Unilock edge restraints fail if the base under them is moving. We re-set the edge on stable, compacted ground and tie it into a drainage path that actually takes water off the field.
Unilock Service in Portola Valley: What Local Conditions Mean for Your Equipment
The single biggest construction constraint in Portola Valley is the oak canopy itself, and that’s not a line. The Town’s tree-protection rules require an arborist report and a tree-protection plan for projects within a protected oak’s root zone. So when a homeowner wants a Unilock paver driveway or patio under a heritage oak, the layout is often decided by where the roots are, not where the view is. If you need Ladera Unilock service for a similar oak-canopy site, we apply the same root-zone approach. And because that same hardscape sits inside a WUI zone, we’re also detailing the paver field and walls to function as noncombustible defensible space while we hand-dig around the root zone. It’s one compliance-and-construction problem, not two. A contractor who treats it as a standard paver job will file for a permit, get sent back for an arborist review, lose months, and maybe still install a base that kills the tree. We plan it as one job from the start.
Unilock Models & Products We Service in Portola Valley
We install and repair the full range of Unilock hardscape systems, including Brussels Block, Brussels Dimensional, Beacon Hill, and the Seneca East retaining wall system. We also provide Stanford Unilock service with the same repair-first philosophy. For repairs on older Portola Valley installs, we match existing units rather than convincing you to tear out a sound field for one cracked paver. When it comes to components, we use Unilock’s own edge restraints, compatible polymeric joint sand, and matching wall units. Mixing aftermarket restraints into a Unilock field is where edge failures start, so we don’t do it. We keep common Unilock edge restraint, joint sand, and matching Brussels Block units stocked for fast turnaround across the Portola Valley area.
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AfterUnilock Service Pricing in Portola Valley
Unilock work in Portola Valley is priced by scope, not by a flat square-foot rate someone pulls out of a binder. Root-zone hand excavation, slope drainage, and the extra compaction lifts these sites need are real labor. But you’ll always get a written line-item quote before we start, and the number on it is the number you pay. Here’s what a typical Portola Valley Unilock project looks like:
| Project | Typical Range |
|---|---|
| Paver Patio Installation | $3,500 – $11,000 |
| Paver Driveway Installation | $7,000 – $18,000 |
| Driveway Replacement | $5,000 – $14,000 |
| Home Addition | $45,000 – $130,000 |
A free estimate includes a site walk, a discussion of root-zone and WUI constraints, and a written scope. Call (877) 752-3154 to schedule yours.
Serving Portola Valley, CA — Our Local Coverage Area
We’re based in the Portola Valley 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 Portola Valley
Yes, in most cases, but the footprint will be shaped by the root zone, not your first-choice layout. We hand-excavate inside the root-protection area and often shift the patio edge back several feet from the drip line. An arborist report is usually required, and we’ll coordinate that as part of the permit package. Call (877) 752-3154 for a site walk and a straight answer on your specific tree.
Yes, a properly installed paver band against the siding functions as a noncombustible zone, which helps satisfy the WUI defensible-space intent. It’s not a substitute for ember-resistant vents or Class A roofing, but it does replace combustible mulch or decking in the immediate zone. We detail the paver edge tight to the foundation and keep it free of leaf litter paths where embers can collect.
Usually it’s a drainage and edge-restraint problem, not a paver defect. Where the field daylights onto a slope without a defined outlet, winter rain scours bedding sand out of the open joints and the edge starts to migrate. We rebuild the outlet, re-set the Unilock edge restraint, and re-sand with polymeric joint sand. For properties needing Unilock in Los Altos Hills, we handle the same slope-drainage issues. The pavers themselves are often fine and can be re-used.
Yes, Brussels Block is a current Unilock line, so matching older installs is usually straightforward. Color variation happens from weathering, but we set new units next to old, let the field settle for a season, and it blends. We also keep salvaged Brussels Block from tear-outs for patches where it matches better than fresh stock.
Portola Valley is slower and more layered. You’ll typically need an arborist report, tree-protection plan, WUI review, and possibly geotech input if the site is on a steep slope. A neighboring city might just want a drainage plan and a permit fee. We manage the full permit package and the inspections, so you’re not learning about a missing arborist letter two months into a stalled job. Call (877) 752-3154 for an exact scope on your property.
Service Areas Near Portola Valley
Beyond Portola Valley, we serve the wider Bay Area foothills and Inland Empire communities, including Unilock service in Moreno Valley, Unilock service in March Air Force Base, Loma Linda, and Grand Terrace. Wherever we work, the same rule applies: one contractor, every phase, with the right material for the site.
Book Your Unilock Service in Portola Valley Today
Call (877) 752-3154 to schedule your free Unilock estimate in Portola Valley. We’ll walk the site, talk roots and runoff, and hand you a written scope you can actually read. One contractor. Every phase.
Written by Noel Trevino, Owner at Moreno Valley Builders, serving Portola Valley and the surrounding foothills.