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FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Why Pacifica Homeowners Choose Unilock Construction
We provide Unilock repair in Pacifica as an independent construction service – paver driveways, patios, and retaining walls, installed and repaired by a single crew that knows how these products behave in salt air and on sloped coastal lots. Copperleaf Contractors is not authorized by, affiliated with, or sponsored by Unilock, and that independence matters: we select the right Unilock line for each site rather than pushing whatever is in stock, and we stand behind our own workmanship from base to edge restraint. If you have a Unilock driveway or patio that is failing or a project you want built right the first time, call (833) 589-8173 for a free estimate.

Why Trust Copperleaf Contractors for Your Unilock Construction?
Unilock products are only as good as the base beneath them, and Pacifica’s coastal soils punish weak preparation. Our team has installed and repaired Unilock Brussels Block, Beacon Hill, Pisa2, and Thornbury wall systems across Sharp Park, Linda Mar, and Pedro Point, and we also handle San Bruno Unilock service calls, and we understand the failure patterns those specific lines exhibit here: efflorescence blooming on tumbled faces from fog-driven wet-dry cycling, permeable joints clogging with windblown sand and eucalyptus debris, and base settlement where pavers were laid thin over sandy fill. Noel Cavanaugh, our Owner & General Contractor, grew up in Sharp Park, where he learned early what coastal moisture does to hardscape. He studied construction technology at Skyline College and spent two decades building along the San Mateo County coast before founding Copperleaf, and he applies a simple rule to every Unilock job we take: Know the site before you touch it. That means checking drainage fall, existing base depth, and setback conditions before we quote, not after we start digging.
Styles & brands we work with







Common Unilock Construction Problems We Fix in Pacifica
- Efflorescence on Brussels Block and Beacon Hill surfaces. Coastal fog and repeated wet-dry cycles pull salts and minerals through the concrete, leaving a chalky white haze on tumbled pavers. It is cosmetic, not structural, but many homeowners mistake it for failing sealer or bad pavers. We clean and re-seal where appropriate, and we explain when it is a natural characteristic of the line rather than a defect.
- Ponding on Pisa2 permeable patios. Pisa2 is built to drain through open joints and a permeable base. On Pacifica lots, windblown sand from the bluffs and organic matter from Monterey cypress and eucalyptus fill those joints within a few seasons, and water pools instead of percolating. The fix is a full joint clean-out and re-fill with fresh aggregate, and sometimes a top-up of the permeable base layer.
- Base settlement and edge migration on sloped driveways. A paver driveway on a Pacifica hillside needs a compacted base and solid edge restraints. When the base is thin or the restraints flex, pavers drift toward the low side, the surface undulates, and the edges open up. We pull the affected field, re-base, re-compact, and install proper Unilock edge restraint to hold the pattern.
- Chipping and spalling at retaining wall block edges. The freeze-thaw cycle is rare here, but salt-laden winter rain and poor drainage behind a wall cause efflorescence and spalling at the face of Thornbury and Brussel Dimensional wall units. When we rebuild or repair a Pacifica retaining wall, we install drainage aggregate and geotextile filter fabric behind every course so water never sits against the block.
- Failing paver joints and weed intrusion. Polymeric sand joints break down in Pacifica’s fog-to-rain cycles faster than inland, and once water gets beneath the pavers, the sand beneath washes out and weeds take root. We re-joint with a polymer that suits coastal moisture, and we verify the base is still solid before re-sanding – no point chasing joints over a failing base.
Unilock Parts & Our Repair-vs-Replace Approach
When the original Unilock line is still in production, we source genuine Unilock units and matching edge restraints so a repair blends with the existing field. When a profile has been discontinued, we settle on the closest current Unilock match or a compatible quality paver, and we show you the comparison before we lay anything. Our honest stance is simple: re-lay and re-base failing sections when the units are sound, and fully replace only when spalling or settlement is widespread enough that patching would look like a quilt. That philosophy saves Pacifica homeowners thousands on driveways and patios that still have years of service life in the pavers themselves. We stock a local selection of Unilock profile units, polymeric joint sands, and base aggregates for fast turnaround on common repairs, and we order project-specific lines directly for larger installations. Call (833) 589-8173 if you are deciding between a repair and a full replace – we will tell you straight which one your project actually needs.
Our Unilock Service Process – Step by Step
- 1
Site walk and diagnostic. We start with drainage: where does water go, where does it pool, and what does the existing base look like under the failure. On sloped Pacifica lots, we verify the fall and check whether edge restraints are holding. Diagnosis drives the quote, never the other way around.
- 2
Scope and material match. We identify the Unilock line, measure the field, and confirm whether the profile is still available. If the line is discontinued, we present a current Unilock match and let you see samples before we commit.
- 3
Demo, base repair, and re-install. We pull the affected area, remove failed base material, re-compact in lifts, and re-set sound units. For new installs, we excavate to the depth the site requires, not a generic number.
- 4
Joint fill and compaction. We sweep and vibrate the field with the right joint material for the Unilock line and the Pacifica exposure. Permeable systems get re-filled with clean aggregate; standard pavers get a coastal-rated polymeric sand.
- 5
Final test and walkthrough. We run water across the surface to verify drainage, walk every edge, and show you what we did and why. If a problem comes back, we want to know about it.
See the difference
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After
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Before
AfterUnilock Products We Service & Install in Pacifica
We work with Unilock in Broadmoor and throughout the area, including Brussels Block, the tumbled concrete paver that shows up on so many Pacifica driveways; Beacon Hill, the flagstone-style profile used for patios and walkways; Pisa2, the permeable system that helps manage stormwater on lots where runoff control matters; and the Brussel Dimensional and Thornbury retaining wall lines. We stock common profile units and joint materials locally for repairs, and we bring in full pallets for new driveway and patio installations. If you have a Unilock line not listed here, call us – we have installed and repaired most of the coastal catalog.
We Also Service These Brands
Unilock is one hardscape line in a much broader portfolio. Copperleaf Contractors works across 50-plus manufacturer brands, and we regularly install and coordinate KraftMaid cabinetry, Cambria and Silestone countertops, and Kohler plumbing fixtures on the same projects where we build Unilock driveways and patios. One contractor, every trade – hardscape to roofline.
FAQs – Unilock Construction Service in Pacifica
That white haze is efflorescence, and we see it constantly on coastal Pacifica properties where fog and rain run through the concrete pores in repeated wet-dry cycles. It is a cosmetic mineral bloom, not a structural failure. The fix depends on how established it is: fresh efflorescence often brushes or washes off, while older bloom needs an efflorescence cleaner and sometimes a quality sealer to slow its return. We can evaluate your driveway and tell you honestly whether you are chasing a maintenance reality or an actual defect. Call (833) 589-8173 and we will take a look.
Usually not. What you are seeing is clogged joints. Pisa2 drains through open joints filled with small aggregate, and on Pacifica lots, windblown sand from the bluffs and leaf debris fill those joints within a few seasons. The surface stops draining and water ponds on top. The fix is a joint clean-out and top-up with fresh aggregate, and sometimes a re-conditioning of the permeable base below. It is the single most common Pisa2 call we take in Pacifica. Call (833) 589-8173 for an inspection and a quote.
Yes, with limits. If your Brussels Block or Beacon Hill profile is still in production, we order genuine Unilock units in the matching color and size, and the repair blends into the existing field. If the line has been discontinued entirely, we present the closest current Unilock profile and show you the comparison before laying a single unit. We never patch a discontinued line with a random big-box paver and call it good.
On Pacifica hillsides, pavers often hold up better than a monolithic concrete pour. Unilock pavers flex at the joints so ground movement and minor settlement do not crack the surface the way a slab cracks. But the base has to be built for the slope – deeper aggregate, proper compaction, and solid edge restraints. A concrete slab on the same slope will crack when the ground shifts; a properly based paver field will settle gracefully and can be re-leveled section by section if needed. We price both honestly.
Yes. A leaning Unilock wall is almost always a drainage or base problem behind the wall, not a block problem. Water saturates the soil behind the wall in Pacifica winter storms, hydrostatic pressure builds, and the wall starts to rotate or lean. We dismantle the affected section, install or repair drainage aggregate and filter fabric behind it, re-set sound blocks, and replace only what is cracked or spalled. On steep Pacifica slopes, we may also verify the footing and geogrid tiebacks if the wall is tall enough to warrant them.
Typical Pacifica pricing for Unilock hardscape projects runs as follows, and these are ranges, not fixed bids – your exact quote depends on site access, slope, base depth, and the Unilock line you select:
| Unilock Project | Pacifica Price Range |
|---|---|
| Paver Driveway Installation | $7,000 – $18,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Driveway Replacement | $5,000 – $14,000 |
We write line-item quotes so you can see exactly where the money goes – base, sand, pavers, edge restraint, labor. No change orders unless the site changes. Call (833) 589-8173 for a free estimate on your specific project.
Book Your Unilock Service in Pacifica, CA
If your Unilock driveway, patio, or retaining wall is failing, or you are planning Unilock service in Colma or a new hardscape project in Pacifica, call (833) 589-8173. We will walk the site, diagnose what is actually happening, and give you an honest scope and price – whether that means a targeted repair or a full replacement done to the brand standard.
Written by Noel Cavanaugh, Owner & General Contractor at Copperleaf Contractors, serving Pacifica and the San Mateo County coast.