Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Owens Corning Construction in Stevenson Ranch, CA | Rowan Construction Group Santa Clarita
We provide independent Owens Corning roofing service across Stevenson Ranch, specializing in the shingle and underlayment systems found on this community’s 1989-2004 tract homes. What separates our work here is the dual-permit reality: every exterior project must satisfy both the Stevenson Ranch HOA architectural review board and LA County’s WUI fire-hardening inspectors before a nail goes in. That workflow discipline is built into every quote we write. Call (747) 294-3985 to schedule your free estimate.
Why Stevenson Ranch Residents Choose Us for Owens Corning Service
We’ve torn off and rebuilt hundreds of Owens Corning roofing assemblies across the Santa Clarita Valley, and the repetition matters. Stevenson Ranch’s master-planned build means we see the same concrete tile-over-synthetic-underlayment stacks, the same original 1990s attic vents, the same builder-grade nail patterns in the eaves. Grant Rowan, who grew up on Los Angeles job sites watching his uncle frame houses and later trained at Los Angeles Trade-Technical College, runs our crews with a documentation habit he picked up there: drawings, material specs, inspection records before any tool touches the roof.
We’re not an Owens Corning-authorized or endorsed contractor. We specify their Duration Series, Oakridge, and WeatherLock products because they perform under Stevenson Ranch’s specific demands: Santa Ana wind uplift, WUI ember exposure, and the hillside drainage that sends water racing toward compromised valleys. Our Owens Corning sales & service approach pairs OEM shingles and underlayments with aftermarket ember-resistant vents and flashings that meet current California code, since the original hardware never anticipated 2020s WUI requirements.
Under Clause 1 of The Haven Standard, the price is written before anyone starts. Every Stevenson Ranch project gets a flat quote with line-item scope, a signed change order protocol if anything shifts, and a documented photo record as standard. The 365-Day Done Right Promise applies to every roof we touch.
Common Owens Corning Construction Problems We Solve in Stevenson Ranch

- Underlayment failure beneath intact concrete tile. The original Owens Corning synthetic underlayment on Stevenson Ranch’s 20-35 year old roofs has reached its service limit and embrittled. Tile looks fine from the street. Water enters at valleys and penetrations. We remove the tile, replace the underlayment with WeatherLock or RhinoRoof, and re-lay the existing tile if it’s still sound.
- Duration and Oakridge shingle wind damage from Santa Ana events. The adhesive strips on architectural shingles can fail when wind uplift cycles hit WUI-rated speeds, especially where original builder-grade nail placement was sparse. We find creasing, lifted tabs, and pull-through at the eaves on hillside homes catching the full western valley mouth wind.
- Original 1990s attic and crawl-space vents flagged at WUI inspection. These vents lack ember-resistant mesh. When a Stevenson Ranch homeowner pulls a permit for what looks like a straightforward re-roof, the LA County inspector commonly red-tags the venting. The Owens Corning shingle system is fine. The roof-to-vent details and eave closures are not.
- Flashing and pipe boot degradation at steep hillside pitches. Stevenson Ranch’s terrain puts extra runoff velocity across original flashings now 20-35 years old. We replace degraded pipe boots and valley metal as part of any tear-off, using upgraded materials that match the slope’s drainage load.
- HOA material rejection after permit issuance. Stevenson Ranch’s architectural review board must approve roof color, material, and profile before LA County issues the permit. We’ve seen homeowners select an Owens Corning Duration Designer color that cleared WUI code but failed HOA aesthetic guidelines, forcing a re-submission that delays the job two weeks.
Before
AfterOwens Corning Service in Stevenson Ranch: What Local Conditions Mean for Your Equipment
Stevenson Ranch sits in a Very High Fire Hazard Severity Zone, and that classification isn’t paperwork. It’s the reason every exterior construction project here triggers a dual-approval process that doesn’t exist in neighboring Valencia or Saugus. The Stevenson Ranch HOA architectural review board evaluates material, color, and profile against community standards; LA County’s WUI inspector evaluates the same assembly against ember resistance, Class A roofing, and ignition-resistant cladding requirements. Only after both approvals does the permit issue.
This directly shapes how we specify Owens Corning products for Stevenson Ranch homes. An Owens Corning shingle color change that looks like a simple homeowner preference - say, switching from the original earth-tone concrete tile to a Duration Designer architectural shingle in a cooler palette - has to clear the HOA’s material board and the WUI code reviewer before we can order materials. We’ve learned to front-load that submission, attaching Owens Corning spec sheets and WUI compliance documentation to the initial HOA packet so the review doesn’t stall at the county permit desk. Out-of-area contractors who don’t know this workflow often show up ready to start, discover the dual-approval requirement mid-project, and either eat the delay or pass it to the homeowner. We build the timeline into the written quote from day one.
Owens Corning Models & Products We Service in Stevenson Ranch

Our crews work with the full Owens Corning residential roofing line commonly found on Stevenson Ranch service area homes.
Shingle systems: Duration Series architectural shingles, including Duration Designer and Duration Premium, with the SureNail strip for wind resistance; Oakridge architectural shingles for mid-tier replacement jobs; Supreme three-tab and asphalt roll roofing for secondary structures and sheds.
Underlayments: WeatherLock and RhinoRoof synthetic underlayments, which we install beneath re-laid concrete tile or as the primary water-shedding layer under new shingle roofs. These replace the original synthetic underlayment that has embrittled past its 20-30 year service window.
Ventilation: VentSure ridge vent and intake vent products, though we typically pair Owens Corning shingle assemblies with aftermarket ember-resistant vents that satisfy current WUI code where the original 1990s hardware does not.
We stock WeatherLock and RhinoRoof locally for Stevenson Ranch jobs, with Duration and Oakridge shingles available on standard lead times. Most repair turnarounds run 3-5 business days once HOA and permit approvals are in hand.
Owens Corning Service Pricing in Stevenson Ranch
These are the price ranges we quote for Owens Corning roofing work in the Stevenson Ranch market. Every estimate is flat, written, and itemized before work begins.
| Service | Price Range |
|---|---|
| Roof Replacement & Installation | $8,000-$20,000 |
| Roof Repair | $400-$1,800 |
| Tile Roof Repair | $600-$2,500 |
| Metal Roof Installation | $15,000-$40,000 |
What moves a Stevenson Ranch job within these ranges: the roof square footage, the pitch (steeper hillside homes require more labor and safety staging), whether we’re re-laying existing tile or installing new Owens Corning shingles, and the extent of WUI-triggered upgrades like ember-resistant vents and eave closures. HOA re-submissions for material approval add timeline, not cost - we don’t charge for our time managing that process.
Every written quote includes the documented photo record, the 365-Day Done Right Promise, and a line-item scope with no open-ended allowances. Call (747) 294-3985 for your free estimate.
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 - Owens Corning Construction in Stevenson Ranch
No. We’re an independent construction company, not an Owens Corning-authorized or endorsed contractor. We specify their products based on performance in this climate, and we install them to manufacturer’s specifications plus California WUI code requirements. Authorization is not required for installation. Call (747) 294-3985 if you want to discuss material selection for your specific roof.
The original Owens Corning synthetic underlayment beneath your tile has likely reached its 20-30 year service limit and embrittled. Tile sheds most water, but the underlayment is the actual waterproofing layer; when it fails, leaks appear at valleys and penetrations while the tile still looks intact from the ground. We remove the tile, replace the underlayment with WeatherLock or RhinoRoof, and re-lay the existing tile if it’s sound. Call (747) 294-3985 for an inspection - estimates are free.
Yes, both. Stevenson Ranch’s HOA architectural review board must approve material, color, and profile before LA County will issue the permit. Then the county’s WUI inspector verifies ember-resistant venting, Class A roofing assembly, and ignition-resistant details. We manage both submissions as part of our standard workflow. Call (747) 294-3985 and we’ll walk you through the timeline.
Almost certainly. The original 1990s attic and crawl-space vents in Stevenson Ranch homes lack ember-resistant mesh required by current California WUI code. When the LA County inspector flags them during a re-roof permit inspection, we upgrade to aftermarket ember-resistant vents that satisfy code while maintaining the Owens Corning shingle system’s performance. This scope addition is common and we price it into quotes upfront. Call (747) 294-3985 for a line-item estimate.
Yes. Stevenson Ranch sits at the western mouth of the Santa Clarita Valley, directly in the path of fall Santa Ana wind events. Duration and Oakridge shingles can show adhesive strip failure and creasing when wind uplift cycles hit WUI-rated speeds, especially on original builder-grade installs with sparse nail placement. We address this with proper fastener patterns and, on exposed eaves, upgraded wind-rated installation. Call (747) 294-3985 if you’re seeing lifted tabs or granule loss after wind events.
Service Areas Near Stevenson Ranch

We run Owens Corning roofing crews across the Santa Clarita Valley and northern San Fernando Valley, including Owens Corning service in Santa Clarita, Owens Corning service in Sylmar, plus San Fernando, Castaic, and Granada Hills. Every service area gets the same flat-written-quote discipline and the same Haven Standard documentation.
Book Your Owens Corning Service in Stevenson Ranch Today
We were called to a two-story stucco home near Stevenson Ranch Parkway and Pico Canyon Road where the original concrete tile roof had started leaking at a valley during a fall wind-driven rain. Our crew removed the tile, found the original Owens Corning synthetic underlayment had failed, replaced it with WeatherLock, upgraded the pipe boots and attic vents to ember-resistant mesh, then re-laid the existing tile since it was still sound. The repair cleared the HOA’s material approval and the LA County WUI inspection without expanding to a full tile replacement. That’s the workflow we bring to every Stevenson Ranch job: measure twice, document once, build it right the first time.
Call (747) 294-3985 to schedule your free estimate. Grant Rowan or a member of our team will answer, review your roof’s condition, and deliver a written price before any work starts.
Written by Grant Rowan, Owner at Rowan Construction Group Santa Clarita, serving Stevenson Ranch since 2007.







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