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Unilock Driveway & Pavers: The San Diego Owner’s Guide
Unilock driveway and paver installation in San Diego typically runs $8,260 – $21,240 depending on square footage, paver series, and what we find under the old surface. We install Unilock pavers as part of our exterior remodeling work, and because we’re an independent contractor rather than a Unilock dealer, our written quote covers the full job: demo, base prep, paver supply, laying, and cleanup. Most San Diego homeowners reach out because a section has settled into a low spot after winter rains, or because tree roots have pushed pavers up into an uneven ridge that catches a shoe or a tire.
What surprises people is that the paver itself is rarely the problem. Unilock concrete pavers hold up well in coastal climates. The failure usually lives underneath: a base layer that wasn’t compacted deep enough, sand that washed out through a missing edge restraint, or drainage that sends water sideways instead of away from the house. That’s the part worth fixing correctly, and it’s exactly what we look for when we walk a San Diego driveway.
Which Unilock Models This Applies To
Unilock makes a few paver lines that show up constantly on San Diego properties. The most common are Bristol Valley (a tumbled, slightly irregular rectangle good for driveways), Eco-Priora (permeable pavers designed for stormwater management), Hollandstone (the classic 60mm rectangle), and Richcliff (a long plank-style paver that reads more like modern hardscape). Each line has its own dimensional spec, and mixing them on a single driveway creates layout problems no amount of cutting will fix cleanly.
Here’s the compatibility gotcha with Unilock specifically: their paver thicknesses are not all interchangeable for vehicle traffic. A 50mm paver meets pedestrian spec, but a driveway that carries cars, trucks, or a parked RV needs a paver at 60mm and up. We’ve seen installations where a lighter patio paver got used on a driveway to save a few dollars per square foot, and the result shows within two or three years: cracked corners, sinkage at the wheel track, and a surface that moves under load. If you’re trying to match an existing paver, flip one over and check the mold stamp. The casting code tells us the plant, the line, and the batch, and it’s the fastest way to find an exact color match instead of a near-miss that will bother you every time you park.
You don’t have to use OEM Unilock replacement pavers if you’re patching a small area. Quality aftermarket equivalents exist from Belgard and other concrete paver manufacturers, but color matching across brands is genuinely difficult. Concrete ages under UV, and a two-year-old paver isn’t the same tone as a fresh one even from the same plant. For a full driveway, we’d rather order the line you have and pull from a consistent batch. For a ten-paver repair, we’ll come look and tell you honestly whether a patch will blend or whether a larger section should be re-set.
Styles & brands we work with
Signs Your Unilock Driveway & Pavers Is Failing
- Settled low spots that hold water after rain. This is the number one symptom on San Diego driveways, and it almost always traces to an under-compacted base or sand that has migrated. Each winter rain cycle makes the low spot worse.
- Pavers rocking underfoot. When a paver tips under pressure, the bedding sand underneath has thinned or escaped. Left alone, the edge of that paver starts spalling, and the damage walks outward in all directions.
- Spreading gaps between pavers. Gaps wider than a quarter inch mean the edge restraint failed or was never properly installed. Unilock pavers are built to interlock, and the whole system depends on a solid border holding everything in compression.
- Greasy aggregate sheen on the surface. That’s paver degradation, not a stain. It happens when water sits on the surface repeatedly and the top cement layer starts breaking down. It’s cosmetic at first but shortens the paver’s life.
- Wood or ant activity along the outer edges. If the edge restraint is timber, San Diego termites find it eventually. Once the restraint rots or gets eaten, the whole field starts to drift outward and the interlock loosens from the outside in.
See the difference
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After
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Before
AfterReplacement Cost & What’s Included
Installed Unilock driveway pricing in San Diego runs $8,260 – $21,240. The spread comes down to four things: total square footage, the paver series you choose, how much demo and haul-off the old surface requires, and what the excavated subgrade needs before we can build on it. A flat driveway with good native soil on a standard San Diego lot lands at the lower end. A long driveway with slope, drainage correction, and a partial concrete demo underneath lands at the higher end.
Every quote we write includes demo, base material, sand bedding, pavers, cutting, edge restraint, compaction, joint sand, and cleanup. That’s the whole job, written as one number before any work starts. The price on day one is the price on the invoice. We run our paver work through the same Kingswell standard we apply to every project: a written price up front, a real arrival window, and a written 365-Day Done Right Promise. If the driveway settles or a paver cracks inside that year, we come back and make it right at no charge.
This is also a category where it’s worth naming the products behind the guarantee. We install Unilock and Belgard pavers, and we carry the full range of their joint sands and sealers, not generic substitutes. The materials are the part of the job you live with for twenty years. They should be as accountable as the crew.
DIY or Call Us?
A paver driveway is one of the safer exterior projects to inspect on your own. You can absolutely walk your driveway with a level, mark the low spots with chalk, and check whether the border pavers still sit snug against the edge restraint. That’s useful information, and it helps us give you a more accurate number over the phone.
Where DIY goes wrong is the repair itself. Pulling pavers and re-setting them without addressing the base means the same failure returns in twelve months, just in a different spot. Compaction matters more than the paver on top of it, and getting that right requires a plate compactor, the right base depth for San Diego’s clay-heavy soils, and an honest read on drainage. A homeowner can buy the tools and spend three weekends on it. Or we can do it with a written guarantee in the time we quote. If you want to talk through what you’re seeing, call (619) 604-9624 and describe it. Tell me what you need, I’ll tell you what it costs, and we’ll go from there.
FAQs
With a properly compacted base, Unilock concrete pavers last 25 – 30 years on a residential driveway in San Diego’s climate, which is mild enough that freeze-thaw cracking (the big paver killer in other regions) is rarely a factor. The base underneath typically needs attention around year 15 if it was built thin or if drainage shifted. Call (619) 604-9624 and we can tell you what your existing base looks like from the symptoms you describe.
In most cases, a settled section can be lifted, the base re-compacted and topped, and the same pavers re-set without replacing the full driveway. The exception is when the original base was so poorly built that the same compaction problems exist everywhere. We’ll tell you which situation you have after walking the site, not before.
A standard two-car Unilock driveway replacement in San Diego takes four to seven working days from demo to final compaction, depending on drainage work and whether we’re tying into existing walkways or patios. You’ll get a defined arrival window in writing before we start.
We order Unilock pavers specifically for your project so the batch colors match across the whole driveway, rather than pulling from mixed inventory. That adds a few days of lead time but eliminates the off-color patch look. We also work with Belgard pavers for homeowners who want a comparable alternative with a different palette.
Written by Trevor Nash, Owner, Penhallow Remodeling San Diego at Penhallow Remodeling San Diego, serving San Diego and nearby areas.
