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 South San Francisco, CA | Framework Contractors
We install, repair, and maintain Unilock paver systems across South San Francisco, from flatland driveways near Grand Avenue to steep Sign Hill lots. The one thing that makes our Unilock work here different is simple: we design every base for fog-soaked soil and lot-line-to-lot-line drainage, not textbook conditions. If you’re pricing a paver driveway, patio, or sealing job, call Noel Carbajal and the Framework Contractors team at (844) 681-3590 for a free estimate.
Why South San Francisco Residents Choose Us for Unilock Service
Unilock pavers are a specific craft. Noel Carbajal learned hardscape the old way, starting with stucco patches and porch reroofs as a kid in Santa Ana before formal training through Santiago Canyon College’s Construction Technology program. That background matters when a Brussels Block driveway in South San Francisco starts showing settlement cracks or a Beacon Hill patio loses joint sand after two fog seasons. We’ve seen what works and what fails in this city’s specific conditions, and as a South San Francisco General Contractor, we don’t guess.
We’re an independent contractor, which means we’re not tied to Unilock’s installation network or their markup. What we bring instead is direct experience with their full product line, access to OEM pavers for exact color and dimensional matches, and the freedom to spec better aftermarket base materials when local soil demands it. For South San Francisco homeowners in 94080 and 94083, that combination translates to pavers that stay flat and drain right. Call (844) 681-3590 to talk through your project.
Styles & brands we work with
Common Unilock Construction Problems We Solve in South San Francisco
- Efflorescence on Brussels Block pavers in fog-damp flatland yards. South San Francisco’s marine layer keeps paver surfaces damp for months at a time. Water wicks through the concrete, pulling minerals to the surface where they dry into a white, chalky residue. Homeowners often mistake it for mold, but it’s a moisture-driven salt deposit that needs the right cleaning process and, more importantly, a base that actually dries.
- Base settlement and rutting on Sign Hill slopes. Driveways on the west-side hills and Sign Hill face two problems at once: gravity pulling toward the downhill edge and runoff cutting under the compacted aggregate. Without proper drainage correction and geotextile separation, pavers sink within a few winters. We regrade first, then build the base to hold.
- Joint sand erosion on lot-line-to-lot-line patios. When homes sit wall-to-wall, roof runoff and downspouts often dump straight onto paver patios and walkways. Uncontrolled water strips polymeric sand from the joints, and before long the pavers start shifting. The fix is rarely just resanding; it’s redirecting the water first.
- Color fading and scaling on older Elegance pavers. Constant marine moisture plus the occasional freeze-thaw cycle takes a toll on the surface layer of older Unilock Elegance units. We see flaking and dulling on paver installations that have been wet for a decade straight. Sometimes sealing helps; sometimes replacement is the honest answer.
- Edge restraint failure on narrow side yards. South San Francisco’s older lots leave almost no margin between the house and the fence line. Pavers in these tight side yards get pushed outward over time when base edges aren’t properly restrained, especially when they serve as utility access and carry more weight than anyone planned for.
Unilock Service in South San Francisco: What Local Conditions Mean for Your Pavers
Here’s something you won’t read on a generic Unilock page. South San Francisco’s flatlands were built lot-line-to-lot-line, which means paver patios and walkways frequently double as the only side-yard access for utilities and emergency egress. On a 1940s stucco home near Grand Avenue, we replaced a failing asphalt driveway with Broadmoor Unilock service quality pavers after regrading to shed water away from the detached garage. The original base had settled from decades of fog-soaked soil, so we excavated 8 inches, added a geotextile separator, and compacted Class II base before laying pavers with polymeric sand. The result is a stable, draining surface that handles daily parking and the occasional delivery truck without rutting. That’s the difference between a patio built for foot traffic and one engineered for occasional heavy loads, and in South San Francisco, that difference shows up within two years if you ignore it.
Unilock Models & Products We Service in South San Francisco
We work with the full Unilock residential line, with the most common South San Francisco installations being Brussels Block, Beacon Hill, Elegance, and Town Hall. Each model has different joint widths, surface textures, and drainage characteristics, and we match the paver to the slope and exposure, not just the color. For repairs, we source Unilock OEM pavers when an exact color and dimensional match is critical. For base reconstruction and joint stabilization, we spec aftermarket polymeric sands and Class II aggregate when they outperform OEM for fog-belt conditions. We keep common Brussels Block and Beacon Hill units staged locally for faster turnaround on Unilock in San Bruno and South San Francisco repairs.
See the difference
Before
After
Before
After
Before
AfterUnilock Service Pricing in South San Francisco
Paver work in South San Francisco is priced by square footage, base depth, and access. Sloped lots on Sign Hill cost more to regrade and retain; flatland jobs near Grand Avenue run less when the base is still sound. Here’s where current market ranges sit:
| Service | Price Range |
|---|---|
| Paver Driveway Installation | $8,260 – $21,240 |
| Paver Patio Installation | $4,130 – $12,980 |
| Driveway Sealing | $295 – $825 |
Every estimate is a free, written line-item quote. We don’t give a number over the phone and then change it once we’re on site. Call (844) 681-3590 and we’ll walk the property, check the existing base if there is one, and give you a number you can plan around.
Serving South San Francisco, CA — Our Local Coverage Area
We’re based in the South San Francisco 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 South San Francisco
That’s efflorescence, not mold. South San Francisco’s persistent marine fog keeps pavers damp for long stretches, so mineral salts inside the concrete migrate to the surface and crystallize as the moisture evaporates. It’s common on Brussels Block in flatland yards where air circulation is poor. We can clean it properly and adjust the base drainage so it stops coming back. Call (844) 681-3590 for an assessment.
Yes, but not with a standard flatland base. Sign Hill and west-side slopes need regrading, drainage correction, and often a retaining edge or buried restraint to keep the paver field from creeping downhill. We’ve done enough hillside installations in South San Francisco to know the base has to be overbuilt, not just adequate. Expect a deeper excavation and a stronger edge system than a typical driveway.
The fog belt south of San Francisco means damp surfaces for a large part of the year, which accelerates efflorescence, joint sand breakdown, and surface scaling on older concrete pavers. Pavers that stay wet also freeze-thaw more aggressively during cold snaps. The answer is a base that drains quickly and joints that stay sealed. Proper installation matters more here than in drier parts of the Bay Area.
Redirect the roof runoff before it hits the pavers. On South San Francisco’s older flatland homes, downspouts often empty right onto side patios, washing out joint sand and undermining the base. We reposition downspouts, add channel drains where needed, and grade the paver surface so water moves away from the foundation and the neighbor’s property line. The patio should be the last line of drainage, not the first.
Both, depending on the site. We use Unilock OEM pavers for exact color and dimensional matches, but for the base we’ll spec standard Class II aggregate, geotextile fabric, and aftermarket polymeric sand when they hold up better under South San Francisco’s damp, clay-heavy soil. Whether it’s here or Unilock repair in Daly City, our loyalty is to a base that stays flat and drains, not to a brand name on a bag.
Service Areas Near South San Francisco
Framework Contractors provides Unilock sales & service and installation across the broader South San Francisco service area. Our teams also serve Unilock service in Brisbane and Unilock service in Pacifica, covering the bayside and coastal communities of the Peninsula.
Book Your Unilock Service in South San Francisco Today
If your Unilock pavers are settling, staining, or losing joint sand, don’t wait for the next fog season to make it worse. Call Noel Carbajal and the Framework Contractors team at (844) 681-3590 for a free estimate. Build it right the first time, the second time costs twice as much and nobody’s happy.
Written by Noel Carbajal, Owner at Framework Contractors, serving South San Francisco since 1998.