Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
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Before
AfterUnilock Construction in Santa Ana, CA | Rowan Construction Group
Unilock paver installation and repair in Irvine and Santa Ana runs $3,500 to $18,000 for most patio and driveway projects, and the work that determines whether those pavers stay level for 20 years or sink in three happens before a single block is laid. We’re Rowan Construction Group, and what sets our Unilock work apart in Santa Ana is simple: we’ve spent over a decade diagnosing paver failures on the city’s 1920s to 1950s bungalows, where expansive clay, unpermitted rear additions, and 60-mph seasonal winds turn a straightforward paver job into a base-depth and permit-timing problem. Call (470) 298-9650 for a written estimate before anyone touches your yard.
Why Santa Ana Residents Choose Us for Unilock Service
Grant Rowan founded this company in 2007, and the discipline he brought to it came from training at Los Angeles Trade-Technical College, where framing, concrete, and project estimating were taught as one connected sequence. That matters for Unilock work because paver installation is only partly about the pavers. It’s mostly about what’s underneath them, and the substrate questions in Santa Ana are unlike anywhere else in Orange County.
We’re an independent Unilock service provider, not a manufacturer affiliate or authorized dealer. That independence means we recommend what the site actually needs, including the honest answer when repair beats replacement. When we source materials, we use genuine Unilock sales & service products whenever available, new or reclaimed, so color and size match existing work. Every quote is a flat written price with a written scope, under Clause 1 of the Haven Standard. No work proceeds on a change until the change order is signed.
Common Unilock Construction Problems We Solve in Santa Ana
- Edge restraint failure on narrow side yards. Santa Ana’s small-lot bungalows often have tight side passages between house and fence, and seasonal offshore gusts channel through those spaces at surprising speed. Without a proper aluminum or concrete edge restraint, wind-driven erosion plus daily foot traffic pushes the outer course of pavers outward until you’ve got a trip hazard and a widening gap. We see this constantly in the Logan and Lacy neighborhoods.
- Differential settlement over expansive clay. Parts of Santa Ana sit on clay soils that expand when wet and shrink when dry. When a previous owner laid pavers directly over that clay, or worse, over an old cracked concrete slab with no gravel base, the result is lippage: paver edges that stick up a quarter inch or more and create both a stumble risk and a drainage problem.
- Polymeric sand washout from wind and rain. The joint sand that locks pavers together gets scoured out during Santa Ana wind events, especially on driveways and walkways with no windbreak. Heavy rain finishes the job. Once the joints are hollow, weeds take root and individual pavers start to shift.
- Efflorescence on lighter Unilock pavers. Santa Ana’s older homes commonly run on galvanized supply lines and hard water. Irrigation overspray carrying that mineral-heavy water onto light-colored Unilock pavers like Courtstone or Umbriano leaves a chalky white deposit that won’t rinse off with a hose.
- Base failure under driveways installed decades ago. Unilock driveways built in the 1990s or early 2000s in Santa Ana were frequently laid over whatever was already there, which on a 1930s bungalow usually meant expansive clay and maybe an inch of sand. Twenty years later, the blocks are sinking, cracking, or splaying, and the fix is not more sand: it’s excavation and a proper Class II road base.
BeforeAfterUnilock Service in Santa Ana: What Local Conditions Mean for Your Equipment
Here’s a fact that does not apply in Irvine or Mission Viejo. Santa Ana’s building code requires a permit for any hardscape over 120 square feet, and the City routinely classifies paver patios as “site improvements.” That classification triggers something homeowners rarely expect: an inspection of the entire property for unpermitted room additions and garage conversions. Santa Ana contains some of the oldest housing stock in Orange County, and decades of multigenerational living produced a citywide network of converted garages and informal rear additions that were never signed off. When a homeowner on French Street applies for a paver patio permit, the City is as interested in the 1980s rear addition as in the Brussels Block going on the ground. That means a paver job can legally expand into an as-built documentation project before the first block is set, and any contractor who ignores that reality is setting you up for a red tag and a stop-work order. We handle both sides of that equation: the pavers and the paperwork. That’s the Unilock work we do across Santa Ana service area that generic paver guys don’t.
Unilock Models & Products We Service in Santa Ana
We install, repair, and restore four Unilock lines most commonly found on Santa Ana properties: Brussels Block, with its tumbled, old-world profile that suits 1920s craftsman bungalows; Courtstone, a classic rectangular paver that holds up well on our Driveway & Pavers in Santa Ana when the base is right; Richcliff, a larger-format paver popular for patios where a more contemporary look is wanted; and Umbriano, with its mottled, granite-like surface finish.
For repairs, we match existing pavers using genuine Unilock product where it’s still manufactured, and reclaimed or salvaged matching block where lines have been discontinued. We’re honest about repair versus replace: if a section has settled but the pavers are intact, we re-level and re-compact the base rather than selling you a new patio. Our Santa Ana jobs typically use either new Unilock stock or carefully matched reclaimed block, depending on what the existing installation calls for.
Unilock Service Pricing in Santa Ana
| Service | Price Range |
|---|---|
| Paver Patio Installation | $3,500 - $11,000 |
| Paver Driveway Installation | $7,000 - $18,000 |
| Driveway Sealing | $250 - $700 |
| Unilock Brussels Block Paver Replacement (per sq ft, labor included) | $12 - $20 |
| Permit expediting and as-built documentation for unpermitted additions | $1,500 - $4,500 |
What drives cost in Santa Ana is base depth, access, and permit scope. A patio that needs 6 inches of excavation and a Class II road base costs more than one where we’re working over a sound existing base. A project that triggers as-built documentation for an unpermitted rear addition adds real cost and timeline. Every free estimate includes a written line-item scope, so you see exactly where the money goes before you sign. Call (470) 298-9650 to schedule your estimate.
Serving Santa Ana, CA - Our Local Coverage Area
We’re based in the Santa Ana area and know this community well, and we also handle Fence Installation - Santa Ana projects. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Unilock Construction in Santa Ana
Yes, if the hardscape exceeds 120 square feet, and for most Santa Ana backyards it will. The City of Santa Ana classifies paver patios as site improvements, which means the permit triggers a broader property review for unpermitted additions or garage conversions. You don’t want a surprise stop-work order. Call (470) 298-9650 and we’ll tell you what your project’s permit path looks like before you commit to anything.
Sinking pavers in Santa Ana are almost always a base-depth problem, not a paver problem. The city’s expansive clay soils expand and contract with moisture, and if the installer laid pavers directly over clay, or over an old concrete pad with no gravel layer, the surface will heave and settle seasonally. The fix is excavation, a 6-inch Class II road base, and 1-inch bedding sand, not adding more sand on top. Call (470) 298-9650 for a site assessment.
Usually. We use genuine Unilock product where the line is still manufactured, and when it isn’t, we source reclaimed matching block from salvage networks we’ve built over a decade in Santa Ana. Color match on older tumbled lines like Brussels Block is easier than on smooth-finish lines, but we’ll show you samples against the existing work before we set anything.
The offshore gusts that give the city its name, routinely over 50 mph in fall and winter, strip loose joint sand from between pavers and erode edges where side yards funnel wind. Over time, that leads to weed intrusion and shifting pavers. The answer is proper edge restraint plus joint stabilization, and in exposed yards we often recommend polymeric sand with a higher binding agent. Call (470) 298-9650 for an evaluation of your specific exposure.
Sealing helps with stains but doesn’t cure efflorescence. Efflorescence is mineral salt working its way out of the paver itself, and hard water from irrigation overspray adds to the problem on lighter surfaces like Courtstone and Umbriano. We typically clean with an efflorescence-specific cleaner first, then apply a breathable sealer that resists future staining without trapping moisture inside the paver. Estimates for cleaning and sealing are free, call (470) 298-9650.
Service Areas Near Santa Ana
We serve Santa Ana and surrounding Orange County communities. If you’re in Anaheim, Orange, Tustin, Garden Grove, or Fountain Valley, we’ll schedule the same written-estimate process. For Unilock work in the Inland Empire, see our Unilock service in Riverside page. For Central Valley coverage, visit Unilock service in Stockton.
Book Your Unilock Service in Santa Ana Today
Measure twice, say it once, show your work. That’s how we’ve run every Unilock job in Santa Ana since 2007, and it’s how your project will go too. Call (470) 298-9650 for a free written estimate, with the photo record and signed scope included.
Written by Grant Rowan, Owner at Rowan Construction Group, serving Santa Ana since 2007.