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 Brea, CA | Polaris Contractors
We install, repair, and rebuild Unilock paver driveways, patios, and retaining walls across Brea, from the 1920s oil-era cottages in 92821 to the graded hillside lots in 92823. The thing that separates our Unilock work in Brea from any other city we serve is the soil: half this town sits on flat, compacted oil-field ground, and the other half sits on expansive Puente Hills geology that moves. That split changes everything about how a paver base gets built. Call (855) 473-6535 for a free estimate on any Unilock project in Brea.
We’re Polaris Contractors, and we’ve been installing Unilock systems long enough to know exactly where these pavers and walls fail in Brea’s specific conditions. We are an independent contractor, not Unilock-authorized, and we don’t claim to be. Our expertise comes from tearing out failed installations and rebuilding them right.
Why Brea Residents Choose Us for Unilock Service
Unilock pavers and walls are premium products, but they only perform as well as the base beneath them and the drainage around them. In Brea, that base and drainage are everything. We’ve worked on driveways in the 92821 flats where decades of oil-era compaction made the ground dense but unstable, and we’ve rebuilt walls on 92823 slopes where expansive clay pushed footings out of alignment within two seasons.
Rick Sondermann, our owner, grew up in Corona del Mar and learned construction fundamentals at Saddleback College before spending nearly three decades building and renovating homes across Orange County. His father was a finish carpenter who believed in doing things once and doing them right. That’s how we approach every Unilock installation in Brea: excavate properly, compact in lifts, reinforce where the geology demands it, and never skip a step to save a day. Do it right the first time – the second time always costs more.
We also carry genuine Unilock units and matching edge restraints and caps, so when we repair a Brussels Block driveway or reset a Beacon Hill wall, the courses and colors stay consistent with the existing field. We use quality compatible polymeric sand rather than bargain joint sand, because the cheap stuff blows out faster than a Santa Ana wind can find it.
Styles & brands we work with







Common Unilock Construction Problems We Solve in Brea
- Sand-joint and polymeric-sand loss after Santa Ana events. Brea’s hot, dry wind seasons strip moisture from paver joints and, with it, the binding sand. We regularly see driveways in 92821 and 92823 where joints have blown out and pavers have started to rock and shift, especially on sun-exposed aprons. The fix is re-sanding with a quality compatible polymeric product after the joints are cleaned and the base is checked for movement.
- Efflorescence and surface staining on Brussels Block. In the 92823 hills, irrigation runoff keeps the base layer saturated against the paver undersides, and the dissolved salts wick up and bloom white on the surface. Seasonal efflorescence comes back every year unless the base drainage is corrected. We excavate, add drainage path, and re-lay rather than just scrubbing the surface and hoping it stays clean.
- Retaining wall settlement and lean on Beacon Hill and U-Cara systems. Walls built on expansive Puente Hills soils without proper geogrid and a granular base shift, rotate, and lose cap units within a few years. We see this most often on graded lots in 92823 where a previous contractor spec’d a flat-lot wall design. The repair means rebuilding the block on a compacted, reinforced base, not just restacking the face.
- Edge restraint failure and base erosion at driveway transitions. After winter rains, pavers rut and separate where the driveway meets the garage apron or the street cut. This happens when the original base wasn’t compacted in lifts and the edge restraint was undersized or missing. On Brea driveways, especially those with a slope from garage to street, we always install full-depth edge restraints and verify base compaction before surface work.
- Heaved concrete aprons replaced with Unilock paver systems. In the 92823 hills, expansive soil seams crack and heave concrete slabs. A paver system over an excavated, geogrid-reinforced base flexes and drains instead of cracking, which is why many Brea homeowners are replacing failing concrete with Unilock rather than pouring another slab that will fail the same way.
Unilock Service in Brea: What Local Conditions Mean for Your Equipment
Here’s the thing about Brea that doesn’t apply to Unilock service in Fullerton or La Habra in the same way: the 92823 hillside tracts sit on expansive, landslide-prone Puente Hills geology. A Unilock paver driveway or retaining wall there needs a geotechnical-informed granular base and drainage design, not the flat-lot base spec that works perfectly well a few miles down in the 92821 flats. We’ve seen the difference firsthand. On a graded-slope lot up in the 92823 hills, we tore out a heaved concrete apron and rebuilt the driveway in Unilock Brussels Block over an excavated, geogrid-reinforced base with a channel drain at the garage door. The original slab had cracked along an expansive-soil seam. The paver system flexes and drains instead of cracking, and we reset the Beacon Hill wall at the slope edge with proper geogrid so the cap units stopped rotating. That’s the Brea difference: you can’t copy a flat-lot spec and expect it to hold on a Puente Hills slope.
Unilock Models & Products We Service in Brea
We install and repair the full range of Unilock systems most common in Brea residential hardscaping: Brussels Block tumbled concrete pavers, Brussels Dimensional Stone for larger-format patio and walkway layouts, Beacon Hill tumbled retaining wall block, and U-Cara including the U-Cara Multi-Face wall system. When we repair a field, we source genuine Unilock units and matching edge restraints and caps so the new work blends with the old. We don’t push aftermarket copies that look almost right from ten feet but don’t match in texture or color up close. For most Brea projects, we keep common Unilock units locally available, which means faster turnaround when you need a driveway section rebuilt or a wall reset before the next winter rain.
For broader context on the Unilock lines we carry and service, see our Unilock sales & service page. Everything we do in Brea is covered under our full-scope contracting operation, so if your Unilock project turns up a drainage problem or a slope issue, we handle that too – under the same contract, not a separate bid.
See the difference
Before
After
Before
After
Before
AfterUnilock Service Pricing in Brea
What you’ll pay for Unilock work in Brea depends on access, slope, base condition, and the scope of the project. Here are the market-calibrated ranges we work within for this area:
| Service | Brea 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 |
Those numbers shift based on what we find when we excavate. A driveway in 92821 on flat, compacted oil-era ground will typically price lower than the same square footage on a 92823 slope that needs geogrid and a drainage channel. Your free estimate includes a site walk, a written line-item quote, and an honest read on whether your existing base is salvageable or needs full excavation. Call (855) 473-6535 for an exact number on your Brea property.
Serving Brea, CA — Our Local Coverage Area
We’re a Brea General Contractor based in this area and know the community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Unilock Construction in Brea
Shifting pavers and blown-out joints are almost always a base or edge restraint problem, not a paver problem. Brea’s hot, dry Santa Ana winds strip moisture and sand from joints, but if the pavers are moving, that means the base wasn’t compacted in lifts or the edge restraints aren’t holding. We re-sand with a quality compatible polymeric product only after verifying the base and restraints are sound. Otherwise you’re just refilling joints that will blow out again next wind season. Call (855) 473-6535 and we’ll tell you what’s actually going on.
Yes, but only if the wall is designed for expansive soil and slope conditions, not a flat-lot spec. A Unilock Beacon Hill or U-Cara wall on Puente Hills geology needs a granular compacted base, proper geogrid reinforcement, and drainage behind the wall. Walls that skip any of those three things will lean, rotate, and drop caps within a few years. That’s the repair work we do most often up in the 92823 hills.
No. Efflorescence is a natural salt deposit that forms when water moves through the paver or the base and evaporates at the surface, leaving a white residue. In Brea’s 92823 hillside areas, irrigation runoff keeps bases saturated and makes efflorescence seasonal. The pavers aren’t defective; the drainage underneath them is the issue. We fix the drainage, not just the surface stain.
For a Brea driveway that carries vehicle weight, we spec a granular base at least 8 to 12 inches thick after compaction, depending on soil and slope. A patio that only gets foot traffic can work with 4 to 6 inches. But on 92823 hillside lots with expansive soil, both get reinforced and drained differently than they would in the 92821 flats. The right spec depends on what’s under the surface, and that’s exactly what we evaluate during a free estimate.
Sealing a Unilock driveway in Brea depends on your goals. A quality sealer can protect against surface staining and make cleanup easier, and it can slow joint sand loss during Santa Ana season. But sealing over a bad base or poor drainage just traps problems beneath the surface. We’ll tell you honestly whether sealing makes sense for your specific property, and which sealer won’t fight the paver’s natural breathability. Call (855) 473-6535 to talk through it.
Service Areas Near Brea
We handle Unilock installations and repairs across central and north Orange County. If you’re in Anaheim, Cypress, Villa Park, La Palma, or Ladera Ranch, we bring the same full-scope approach we use in Brea. For Unilock work specifically in the neighboring cities, see our pages for Unilock service in La Habra and Unilock service in Corona. And for the broader picture of everything we do across the county, visit our Brea service area page.
Book Your Unilock Service in Brea Today
If your Unilock driveway is shifting, your retaining wall is leaning, or you’re planning a new paver installation in Brea, we’ll walk the site, give you a straight answer, and put a written quote in your hands. From the roof down to the pavers, we’re the single accountable team. Call (855) 473-6535 to schedule your free estimate.
Written by Rick Sondermann, Owner at Polaris Contractors, serving Brea and Orange County for nearly three decades.