Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Unilock Construction in Stevenson Ranch, CA | Rowan Construction Group Santa Clarita
We provide independent Unilock hardscape construction across Stevenson Ranch, with flat written pricing before any work starts and a documented photo record on every visit. The one thing that makes our Unilock work here different: we build around Stevenson Ranch’s mandatory dual-approval process, where LA County WUI fire-hardening codes and the community HOA architectural review board both must sign off before a single paver is laid. Call (747) 294-3985 to schedule your free estimate.
Why Stevenson Ranch Residents Choose Us for Unilock Service
We’ve been installing Unilock pavers, retaining walls, and fire-rated hardscape systems in Stevenson Ranch since before the original 1990s housing stock started hitting end-of-life. Grant Rowan, our owner, grew up on Los Angeles job sites watching his uncle frame houses, then completed construction technology training at Los Angeles Trade-Technical College - where documenting every step before touching a tool became a habit that stuck. That discipline shows up in how we quote Unilock work: a written price with line-item scope, delivered before anyone picks up a tamper.
We’re not affiliated with, authorized by, or sponsored by Unilock. We’re independent specialists who install their products daily in the Santa Clarita Valley, which means we know where Brussels Block tends to effloresce in this water, how Beacon Hill holds color against our UV exposure, and what LA County inspectors actually flag on hardscape permits in Stevenson Ranch’s Very High Fire Hazard Severity Zone. Our crews are background-checked and uniformed; a live person answers calls 24/7; and every visit includes a documented photo record as standard, not an upgrade.
Under Clause 1 of The Haven Standard, the price is written before anyone starts. Under the 365-Day Done Right Promise, if it’s not done right, we make it right. We’ve delivered over 4,000 projects since 2007 within a few percent of the agreed price, because no change proceeds without a signed change order. That’s not a slogan. It’s the administrative discipline Haven acquired Rowan for.
Common Unilock Construction Problems We Solve in Stevenson Ranch

- Efflorescence on Unilock Brussels Block - Stevenson Ranch’s hard irrigation water, combined with the heavy watering schedules HOAs enforce to maintain curb appeal, leaves white mineral deposits on Brussels Block surfaces. We treat the underlying cause, not just the stain, and specify sealants that hold up against this specific water chemistry.
- Settlement and shifting on slopes - Santa Ana winds and poor original base compaction create ongoing movement on hillside properties throughout Stevenson Ranch. We’ve re-graded and reinstalled pavers on grades where the original contractor skipped the geotextile layer or used the wrong aggregate depth.
- UV fading on Unilock Beacon Hill - The Santa Clarita Valley’s intense sun exposure fades Beacon Hill’s richer color blends faster than in coastal climates. We help homeowners understand which colors hold up longest here, and whether replacement or strategic repair makes more financial sense.
- Cracking in Unilock Estate Wall blocks - Stevenson Ranch’s clay soils expand and contract with seasonal moisture changes, stressing retaining walls and planter systems. We assess whether the wall was built with proper drainage behind it, or if ground movement alone is the culprit.
- Non-compliant vent and hardscape details - Original 1990s attic and crawl-space vents throughout Stevenson Ranch lack ember-resistant mesh required by current California WUI code. When homeowners pull permits for additions or re-roofs, LA County inspectors commonly flag these vents, and hardscape features with integrated utilities can trigger the same scrutiny if ember guards aren’t specified.
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AfterUnilock Service in Stevenson Ranch: What Local Conditions Mean for Your Equipment
Stevenson Ranch sits in a Very High Fire Hazard Severity Zone, and that designation isn’t paperwork. It means virtually every exterior construction project, including Unilock paver driveways, patios, and retaining walls that integrate with structures, must satisfy California’s WUI fire-hardening requirements and clear the Stevenson Ranch HOA architectural review board before LA County will issue a permit. This dual-approval process is the defining workflow reality here. We’ve seen out-of-area contractors quote Unilock installations without accounting for the weeks added by HOA review, or specify standard wall systems where Class A fire-rated materials were required. In one recent Stevenson Ranch Kitchen Remodeling project in the West Ranch community, we replaced a settled Brussels Block driveway and specified permeable jointing sand to improve drainage on a slope that sees heavy runoff during Santa Ana wind-driven rain events. The homeowner’s original installation had skipped proper base compaction, a shortcut that shows up constantly in this community’s 20-to-35-year-old housing stock. When we build in Stevenson Ranch, we pull permits knowing the inspector will check for ember-resistant detailing, and we quote timelines that include HOA submission and revision cycles. That’s the difference between a contractor who works here occasionally and one who knows the specific sequence this community requires.
Unilock Models & Products We Service in Stevenson Ranch

We work with Unilock’s full residential hardscape line, with particular depth on the four systems we install most often in Santa Clarita Valley conditions. Unilock sales & service through our operation covers Brussels Block for driveways and walkways, Beacon Hill for patios and pool decks, Estate Wall for retaining and freestanding landscape walls, and Pisa for tiered garden and slope applications. We source genuine Unilock pavers and wall blocks whenever possible. When a specific color or style is discontinued, we match quality aftermarket alternatives from trusted suppliers and document the substitution in writing before installation begins. For Stevenson Ranch’s WUI requirements, we stock and specify fire-rated wall systems and ember-resistant accessories that LA County inspectors recognize. Our local inventory means turnaround on common repairs doesn’t depend on cross-country shipping.
Unilock Service Pricing in Stevenson Ranch
Every Unilock project in Stevenson Ranch starts with a written flat price, line-item scope, and written warranty before work begins. The table below shows our current ranges for the hardscape services we emphasize on this page.
| Service | Price Range in Stevenson Ranch |
|---|---|
| Paver Driveway Installation | $7,000 - $18,000 |
| Paver Patio Installation | $3,500 - $11,000 |
| Concrete Driveway Installation | $4,500 - $12,000 |
| Driveway Replacement | $5,000 - $14,000 |
What drives cost: the square footage, slope and grading requirements, base preparation depth, whether WUI fire-rated materials are required, and HOA revision cycles that extend timeline. Our free estimate includes a site visit, measurement, substrate assessment, and written quote with no obligation. We also offer a Free Second Opinion on any competitor’s written estimate, reviewed line by line at no charge. Call (747) 294-3985 for your exact number.
Serving Stevenson Ranch, CA - Our Local Coverage Area

We’re based in the Stevenson Ranch area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Unilock Construction in Stevenson Ranch
Yes, with the correct specification. Unilock pavers themselves are non-combustible, but integrated hardscape features must use Class A fire-rated wall systems and ember-resistant vent detailing where they connect to structures. We specify these materials as standard on Stevenson Ranch projects. Call (747) 294-3985 to review your site’s specific requirements.
The clay soils common here expand and contract with seasonal moisture, creating ground movement that stresses retaining walls and can shift poorly compacted paver bases. We account for this with deeper aggregate bases, geotextile reinforcement, and drainage details behind walls. For a site-specific assessment, call (747) 294-3985 for a free estimate.
Detached patios under 120 square feet sometimes don’t require a permit, but any hardscape integrated with a structure, involving retaining walls over 30 inches, or requiring electrical or gas utilities will need LA County permitting and Stevenson Ranch HOA architectural review for our Bathroom Remodeling in Stevenson Ranch and similar projects. We pull permits and manage both approval tracks. Call (747) 294-3985 to confirm what your project requires.
Unilock Brussels Block handles our UV exposure and heavy irrigation better than most, provided it’s sealed against efflorescence from our hard water. For driveways with slope drainage concerns, we specify permeable jointing sand to reduce runoff. The right choice depends on your specific grade and sun exposure. Call (747) 294-3985 for a written recommendation and price.
We can, but we first determine whether the cracking stems from ground movement, inadequate drainage behind the wall, or missing reinforcement. Estate Wall and Pisa systems can often be partially rebuilt with proper drainage and geogrid, avoiding full replacement. We assess repair versus replacement cost-effectiveness and give you both numbers in writing. Call (747) 294-3985 to schedule an evaluation.
Service Areas Near Stevenson Ranch

We serve Stevenson Ranch service area homeowners and surrounding communities throughout the Santa Clarita Valley. Our crews regularly work in Unilock service in Santa Clarita proper, Unilock service in Sylmar, and extend into Castaic, Granada Hills, and San Fernando for larger hardscape projects. The WUI fire-hardening requirements and HOA review processes we navigate in Stevenson Ranch apply with variations across these neighboring areas, and we adjust our specifications accordingly.
Book Your Unilock Service in Stevenson Ranch Today
Call (747) 294-3985 to schedule your free estimate. We’ll deliver a written price before any work starts, pull the permits your Stevenson Ranch project requires, and leave you with a documented photo record and our 365-Day Done Right Promise. Measure twice, document once, build it right the first time.
Written by Grant Rowan, Owner at Rowan Construction Group Santa Clarita, serving Stevenson Ranch since 2007.







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