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Unilock Construction in Westminster, CA | Timberline Contractors
We provide independent Unilock paver installation, repair, and replacement across Westminster, CA. The short version: if your paver driveway or patio is settling, staining, or losing joint sand, we fix it right, and we often do it on lots where space is tighter than anything you’ll find in Fountain Valley or Unilock in Garden Grove. What makes our Unilock work different in this city is that we plan every job around Westminster’s small-lot reality, clay-heavy subgrade, and the unpermitted prior work we regularly uncover on 1950s-1970s tract homes. Call (866) 253-5808 for a free estimate.

Why Westminster Residents Choose Us for Unilock Service
Unilock pavers are a premium hardscape investment, and Westminster’s high-density housing stock means that investment has to perform on a compact footprint. We’ve installed Brussels Block, Beacon Hill, Town Hall, and Elegance lines across hundreds of Westminster properties, from Bolsa Avenue commercial frontages to residential driveways off Magnolia Street. That volume matters because we’ve seen what fails here: base settlement on clay, efflorescence from irrigation runoff, edge restraints cracking where setbacks pinch the paver field. Nelson Fung, our owner and general contractor, learned the hardscape trade in the LA basin and brings a straightforward approach: if a repair won’t outlast the original installation, he’ll tell you before we start. We’re an independent contractor, not Unilock-authorized or manufacturer-affiliated, which means our recommendations come from field experience, not a brand rep’s sales sheet. One contractor, every phase, from excavation to final polymeric sand.
Styles & brands we work with







Common Unilock Construction Problems We Solve in Westminster
- Efflorescence and salt staining on Brussels Block pavers. Westminster’s coastal-influenced air carries moisture and salt that settles into paver surfaces, especially where irrigation runoff isn’t graded away from the field. We clean and, where needed, apply a compatible sealer after correcting the drainage issue that caused the staining in the first place.
- Base settlement and shifting after Santa Ana winds or poor compaction. Tight lots off Bolsa Avenue and Magnolia Street often mean the original installer couldn’t get proper compaction equipment into the space. Santa Ana wind events push debris onto paver surfaces, but the real culprit is usually a thin base over clay. We excavate to proper depth and re-compact with Class II base so the pavers stop moving.
- Joint sand erosion and weed intrusion. Westminster’s dry heat followed by occasional fast winter storms degrades old polymeric sand. Once the joints open, weeds get in and pavers begin to drift. We remove old joint material, reset any pavers that have shifted, and re-sand with OEM polymeric sand or a compatible alternative matched to the original installation.
- Edge restraint failure on driveway aprons and patio borders. Original plastic edge restraints crack or pull loose when they aren’t pinned deeply enough into Westminster’s clay-heavy subgrade. This shows up first at driveway aprons where the paver field meets the sidewalk or street. We replace failed restraints with properly anchored alternatives before resetting the border course.
- Lippage on driveways from unpermitted prior work. We routinely find paver fields installed over old concrete or inadequate base by previous owners who never pulled permits. The result is uneven surface, pooling water near the garage, and trip hazards. We correct the substrate, re-grade for drainage, and reset the pavers level.
Unilock Service in Westminster: What Local Conditions Mean for Your Equipment
Here’s the thing about Westminster that changes how Unilock work gets done: the city’s housing stock is dominated by 1950s-1970s single-family tract homes and low-rise stucco apartment buildings packed onto small lots. That means the paver driveway or patio is often the only usable outdoor hardscape a homeowner has, and it has to do double duty as parking, entertaining space, and drainage surface. On a 1960s tract home off Magnolia Street, we tore out a cracked concrete driveway and installed a Brussels Block paver driveway with a soldier-course border. The original base was only two inches of gravel over clay, so we excavated to eight inches, added compacted Class II base, and set the pavers with OEM polymeric sand. The homeowner now has a surface that handles winter storm runoff without pooling near the garage. That kind of excavation matters in Westminster because the subgrade is often clay-heavy, and clay doesn’t drain, it holds water, which means the base has to be built correctly or the pavers will move within a few seasons. Contractors working these tract homes and small apartment buildings off Bolsa Avenue and Magnolia Street also regularly find unpermitted additions and conversions done by prior owners across waves of Vietnamese-American and immigrant households. Before any permitted remodel or hardscape job can proceed, we often need as-built drawings and corrections. That’s Westminster-specific reality, not something you’ll see in every neighboring city.
Unilock Models & Products We Service in Westminster
We install and service the full range of Unilock paver lines most common in Westminster: Brussels Block for classic tumbled driveways, Beacon Hill for larger-format patio surfaces, Town Hall for a cleaner, more architectural look, and Elegance for premium residential and commercial frontages along the Bolsa Avenue corridor. Our approach on repairs is straightforward: we source genuine Unilock pavers and OEM polymeric sand and edge restraints to match existing installations, but we’ll also use quality compatible aftermarket base materials and sealers where they perform just as well or better. We stock common Brussels Block and Town Hall units locally for faster Westminster turnaround, and we can order specialty lines within days. If more than 20% of a paver field is settled or cracked, we recommend full replacement rather than spot repairs that won’t last. Visit our Unilock sales & service page for more on what we carry and how we match existing work.
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AfterUnilock Service Pricing in Westminster
Pricing for Unilock work in Westminster depends on access, existing base conditions, and whether we’re repairing or replacing. Here’s what you can expect:
| Service | Price Range |
|---|---|
| Paver Driveway Installation | $7,000 – $18,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Driveway Replacement | $5,000 – $14,000 |
| Driveway Sealing | $250 – $700 |
What drives the cost in Westminster specifically: tight access on small lots, the depth of excavation needed to correct old or thin base material, and whether we uncover unpermitted work that requires corrections before the paver installation can proceed. A free estimate includes a site walk, base inspection, and a written line-item quote, no vague ballpark numbers. Call (866) 253-5808 to schedule yours.
Serving Westminster, CA — Our Local Coverage Area
We’re based in the Westminster area and know this community well, and we also offer Unilock service in Huntington Beach. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.

FAQs – Unilock Construction in Westminster
Yes, in some cases, if the concrete slab is structurally sound, level, and has adequate drainage. But on many Westminster tract homes, the existing concrete has cracked from clay-soil movement or was poured too thin to begin with, so overlaying it just transfers the problem to the paver surface. We’ll tell you honestly whether your slab can be overlaid or needs to come out. Call (866) 253-5808 for an assessment.
Unilock pavers themselves hold up well in Westminster’s climate. The vulnerability is the installation: Santa Ana winds push debris onto paver surfaces, but the real damage comes from base settlement and joint sand erosion when fast winter storms hit. Proper base depth, correct compaction, and quality polymeric sand keep the field stable through both. We build for those conditions on every Westminster job.
A properly installed Unilock paver driveway in Westminster can last 25 to 30 years or more, with occasional joint sand top-ups and edge restraint checks. Most failures we see here are installation failures, not paver failures: thin base over clay, missing edge restraints, or no drainage planning. Fix the installation, and the pavers do their job for decades.
Permit requirements depend on scope. Driveway replacements and significant hardscape changes in Westminster often require a permit, especially when the work affects drainage or the public right-of-way. We handle permitting for you and will flag any unpermitted prior work that needs correction before we proceed. The last thing you want is a beautiful new paver driveway with a code violation attached.
Yes. We match pavers by line, color, and age, and we source genuine Unilock units when the line is still in production. For older or discontinued lines, we’ll find the closest compatible match and discuss whether a border course or pattern change makes the transition cleaner. Get an exact quote by calling (866) 253-5808, estimates are free.
Service Areas Near Westminster
We serve Westminster and the surrounding Orange County communities, including Westminster service area neighborhoods across the 92683, 92684, and 92685 ZIP codes. Our crews also work in nearby Buena Park, Cypress, and along the Los Angeles-Orange County corridor. For Unilock projects east of here, see Unilock service in Yorba Linda or Unilock service in Los Serranos.
Book Your Unilock Service in Westminster Today
Ready to fix that settling driveway or build the paver patio your lot actually has room for, whether you’re in Westminster or need Unilock in Midway City? Call (866) 253-5808 to schedule your free estimate. We’ll walk the site, check the base, and give you a written line-item quote before any work begins. Do it right the first time or explain yourself twice.
Written by Nelson Fung, Owner at Timberline Contractors, serving Westminster since our founding.