Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Unilock Construction in Seven Trees, CA
We install and repair Unilock paver driveways, patios, walls, and steps across Seven Trees (ZIP 95111), and we work the county-versus-city permit line that runs through this unincorporated pocket of South San Jose. We’re an independent Unilock service provider, not a manufacturer-authorized dealer. That independence means we spec OEM Unilock pavers and edge restraint where color and dimensional consistency matter, and proven aftermarket base materials where the ground under a post-war tract lot demands better drainage than the original build ever had. Call (877) 373-9230 for a free estimate on any Unilock hardscape job in Seven Trees.
Why Seven Trees Residents Choose Us for Unilock Service
Led by Noel Cardenas, our crews have worked Unilock systems long enough to know which failure is a base problem and which is just a joint needing re-sanding. We’re not guessing at your property line or your jurisdiction. Seven Trees is one of those places where one side of the street answers to Santa Clara County and the other to San Jose City Hall, and we confirm which applies before we open up your base. That matters when a paver driveway ties into a utility trench or a drainage swale that needs an inspection. We also know the housing stock here: 1950s-1970s single-family tracts on small lots along Senter and Monterey, stucco over wood frame, attached garages, and driveways that were poured or laid for one car back when one car was normal. Unilock work on those lots takes planning, not just pavers.
Styles & brands we work with
- Kitchen remodeling
- Bathroom remodeling
- Home additions & ADU
- Roofing
- Windows & doors
- Driveway & pavers
- Fence
Common Unilock Construction Problems We Solve in Seven Trees
- Base failure and edge creep on paver driveways. The original single-car approaches on Senter Street tract lots were never compacted for two vehicles, an SUV, or the occasional work truck. We see paver edges wander and centers settle when the base was underbuilt. The fix is a re-compacted base with proper geotextile separation, not just re-laying the same pavers on the same weak subgrade.
- Efflorescence and joint sand loss after winter rains. South San Jose’s clay soils hold water, and flat or low-slope patios dug into that clay bloom white after a wet January. We clean the efflorescence, correct the drainage pitch where the patio has gone flat, and re-sand with Unilock-compatible joint material that stays put.
- Paver settlement along garage-conversion aprons. Garage conversions and ADU additions are constant in Seven Trees, and the new utility trenches that come with them disturb the subgrade under existing drives. We see pavers dip exactly where the trench was cut and backfilled in a hurry. We re-cut, re-compact in lifts, and reset the Unilock field to grade.
- Step and wall block spalling on south-facing edges. It doesn’t freeze here, but inland valley heat in the 90s bakes Unilock step faces and wall caps all summer. Repeated thermal cycling can chip the surface. We replace spalled units and set edge courses with the expansion room they need.
- Driveway-to-slab transitions that separate. Where a Unilock paver drive meets an older concrete apron or garage slab, the joint opens up over time. We reset the edge restraint and the transition course so the paver field stays locked against the slab.
Unilock Service in Seven Trees: What Local Conditions Mean for Your Project
Seven Trees is unincorporated, and that changes how a paver project gets permitted and inspected. A new Unilock driveway or patio that ties into a utility trench, a drainage improvement, or a garage-conversion apron can route through Santa Clara County even when the neighbor across the street pulls a City of San Jose permit. We check jurisdiction before we excavate. That single step has saved Seven Trees homeowners from re-opening a finished paver field when an inspector asks to see the trench work underneath. On a 1960s tract house off Senter Street, our crew pulled out a cracked concrete apron and installed a Unilock Brussels Block paver driveway with a thickened, well-drained base and edge restraint, because the original approach had never been built for the owner’s second vehicle - the kind of Buena Vista we also provide nearby. We found the old 100-amp panel service trench ran under the apron, so we coordinated the county inspection before backfilling and reset the Unilock edge course to the garage conversion’s new grade. That’s the Seven Trees job in miniature: small lot, old trench, new load, two jurisdictions.
Unilock Models & Products We Service in Seven Trees
We work the Unilock lines you actually see on South San Jose driveways and patios. Brussels Block is the workhorse paver here, Brussels Dimensional gives a cleaner modular look, Uni-Stone handles the classic tumbled profile, and Seneca Slate reads well on mid-century lots where the house still has its original character. For anything that ties into an existing Unilock field, we use Unilock OEM pavers, joint sand, and edge restraint, because color and dimensional drift between lots is real and a mismatched patch looks exactly like a patch. For underlayment and drainage components, we spec proven aftermarket geotextile and base materials, chosen for the clay and heat load on the specific site.
See the difference
Before
After
Before
After
Before
AfterUnilock Service Pricing in Seven Trees
What you’ll pay depends on whether we’re repairing an edge course or rebuilding a full paver field on a re-compacted base. Here are the ranges we work within for Seven Trees jobs:
| Service | Typical Range |
|---|---|
| Paver Driveway Installation | $7,000 – $18,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Driveway Replacement | $5,000 – $14,000 |
| Home Addition | $45,000 – $130,000 |
A free estimate includes a site walk, jurisdiction check, base assessment, and a written line-item quote. Call (877) 373-9230 to schedule yours.
Serving Seven Trees, CA - Our Local Coverage Area
We serve Seven Trees and nearby communities. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs – Unilock Construction in Seven Trees
Yes, in many cases. Seven Trees addresses straddle the Santa Clara County and City of San Jose permitting line, and a paver driveway that involves a new utility trench or drainage tie-in can require county inspection even when the neighboring block is city-jurisdiction. We confirm the jurisdiction for your exact address before we open the base, so you don’t get surprised by a county inspector after the pavers are down. Call (877) 373-9230 and we’ll check it during the free estimate.
Because the new utility trench that comes with a garage conversion or ADU cuts through the subgrade under the existing drive, and if it’s backfilled without proper compaction in lifts, the pavers above it settle. We re-excavate the trench line, compact in controlled lifts, and reset the Unilock field to the new grade. This is one of the most common paver failures we fix in Seven Trees.
Yes. Brussels Block is a concrete paver that handles inland valley heat without warping or softening, and Unilock’s joint sand and edge restraint systems hold up through South San Jose’s 90-plus summer days. The bigger issue in Seven Trees is base and drainage, not paver material. We build the base for the heat and the clay, and the pavers hold.
Water moving through the paver and evaporating at the surface deposits mineral salts, which show as a white bloom. Seven Trees clay soils hold water against the paver bed, and flat or low-slope patios make it worse. We clean the efflorescence and correct the drainage pitch so water doesn’t sit under the pavers. If the patio has gone flat, re-pitching it is part of the repair, not an add-on.
We repair first when the failure is isolated to joints, edge restraint, or a trench settlement line. We recommend full replacement when the base has lost compaction across the whole driveway and repairs would be a band-aid on a subgrade that’s done. The estimate tells you which one you have, and we don’t sell replacement where repair is honest. Call (877) 373-9230 for a straight answer.
Service Areas Near Seven Trees
Our Unilock crews also work the surrounding South San Jose and Bay Area neighborhoods. We provide Unilock sales & service across Seven Trees service area and nearby communities. If you’re outside Seven Trees, we also cover Unilock service in Ben Lomond and Unilock service in Bonny Doon.
Book Your Unilock Service in Seven Trees Today
We’ll walk your lot, check your jurisdiction, and tell you whether it’s a repair or a rebuild. Call (877) 373-9230 and ask for a free Unilock estimate in Seven Trees.
Written by Noel Cardenas, Owner at Garden Grove Contractors, serving Seven Trees and South San Jose. The material you pick today is the problem you solve, or the one you live with, ten years from now.