Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Before
After
Before
After
Before
AfterFast, Reliable Roof Replacement Across Somis
A full roof replacement on a Somis home typically runs $14,000 to $34,000 depending on material and square footage, with most concrete tile re-roofs landing between $18,000 and $28,000. We schedule free estimates across unincorporated Ventura County every week, and our crews know the Tierra Rejada Valley’s wind patterns and fire-code requirements before they ever set a ladder. If you’re weighing a replacement after the 2017 Thomas Fire or just tired of chasing a failing builder-grade roof, call us at (945) 303-9821 and we’ll give you a written price before any work starts.
What makes Somis different from Camarillo or Moorpark isn’t just the ranch parcels and avocado groves. It’s that every re-roof here sits inside a CAL FIRE Very High Fire Hazard Severity Zone. That changes what materials are legal, how the job gets permitted, and who you should trust to pull it off correctly.
Why Tilehurst Roofing Is Somis’s Preferred Roof Replacement Company
Tilehurst Roofing operates as part of the Kingswell family of roofing companies, founded in 2000. Every Somis job starts the same way: a written price in your hands before any work begins, a crew that shows up in the window we gave, and a written guarantee delivered before the crew leaves your property. No door-knock price changes. No “we’ll mail you the warranty later.”
Greg Holloway leads our team, and he’s built the operation around one thing: homeowners in Somis who’ve already been burned once by a contractor who no-showed or a repair that failed within months. That’s who we work for. Our Roof Replacement crews are background-checked and uniformed, so when a truck pulls up on your ranch off Bradley Road or a cul-de-sac near Tierra Rejada, you know exactly who’s walking your roof.
Somis homeowners tell us the same thing about past roofers: calls went to voicemail, crews showed up whenever, and the final price didn’t match the estimate. We answer every call with a live person, 24 hours a day, 7 days a week. That includes Sunday evenings and holidays. When a Santa Ana wind event tears a ridge cap loose at 9 p.m., you reach a human, not a callback queue.
Reroofing in Somis
Reroofing in Somis means stripping the existing roof down to decking, inspecting what’s underneath, and rebuilding the entire assembly to meet Ventura County code and CAL FIRE’s Class A fire-rating mandate. This is not a patch job and it’s not a repair. It’s a full system replacement, and on most Somis ranch homes and newer builds, it runs $16,000 to $31,000 depending on whether you’re reusing the existing concrete tile profile or switching materials.
Builder-Grade Underlayment Failure
On a newer build near the Tierra Rejada Valley floor, we tore into a concrete tile roof that was only a few years old. The original underlayment had already turned brittle, and the valley flashing was under-driven. That’s exactly what the valley’s thermal cycling does: dry Santa Ana heat bakes the membrane, then cool marine-layer air contracts it, and the cycle repeats until something cracks. We replaced the underlayment with a high-grade synthetic, added ice and water shield at every valley, and nailed a full starter strip before re-setting the tile.
Class A Fire-Rated Assembly
Here’s what many homeowners in Somis don’t realize: swapping out old tile or shingles without upgrading the decking and underlayment can quietly void the Class A fire-rated assembly the State Responsibility Area requires. The tile itself might be fine, but if the layers beneath it don’t meet CAL FIRE’s standard, the whole roof fails inspection. We don’t cut that corner, and we’ll show you the permit and inspection sign-off before we leave.
Most reroofs in Somis take 5 to 10 working days, weather permitting, and we coordinate with Ventura County’s building department on every permit. Call (945) 303-9821 for a line-item written quote.
Flat Roof Replacement in Somis
Flat Roof Replacement in Somis covers everything from residential additions and carports to agricultural packing sheds and equipment storage buildings across the valley’s ranch parcels. These roofs are low-slope or true flat, which means they need a membrane system, not tile or shingles. Somis flat roof replacements typically run $9,000 to $22,000 for residential structures and $12,000 to $40,000 for larger agricultural outbuildings depending on square footage and deck condition.
Corrugated Metal on Ranch Outbuildings
Many older avocado and citrus ranch buildings in Somis have corrugated metal roofing installed with fastener patterns that predate modern wind uplift code. When a Santa Ana event rips through the Tierra Rejada Valley, panels lift, water gets inside, and stored equipment or produce takes the damage before anyone calls. We replace these roofs with properly fastened standing seam or corrugated systems engineered for the valley’s wind zone, not whatever was standard in 1985.
Residential Flat Roof Systems
On a Somis home with a flat section over a patio, addition, or carport, we typically install a single-ply membrane like TPO or PVC, or a multi-layer modified bitumen system. The right choice depends on foot traffic, sun exposure, and whether the roof ties into a tiled main section. Flat roof replacements on homes usually finish in 3 to 6 days, and we pull permits for every one.
Trusted Brands We Service in Somis
Tilehurst Roofing doesn’t push a single house brand. We offer material options from seven leading manufacturers: GAF, CertainTeed, Owens Corning, IKO, Atlas, Tamko, and Boral. For Somis homeowners, that matters because concrete tile dominates residential roofs here, and Boral tile is one of the few product lines that meets Class A fire rating without a special assembly. We also keep fast-moving components stocked for Somis jobs: synthetic underlayment, drip edge, ridge cap, and replacement tile in common profiles. When your roof needs work, we’re not waiting on a distributor in Oxnard to ship parts; our crews arrive with what the job needs. Atlas shingles and Tamko products round out the selection for homeowners who want architectural shingle options at a different price point.
Common Roof Replacement Problems We See in Somis Homes
- Builder-grade underlayment cracking early. The valley’s daily swing between dry Santa Ana heat and cool marine-layer humidity bakes and contracts underlayment until it turns brittle. We see it fail on Somis roofs that are only 5 to 8 years old. The fix is a full replacement with synthetic underlayment, not another layer on top.
- Under-driven valley flashing and drip edge. Original builders install flashing to minimum spec, and Santa Ana wind uplift peels it before the tile itself shows any damage. By the time water reaches the ceiling, the flashing has been failing for months. We inspect every valley, penetration, and fascia edge during a replacement.
- Mortar-set hip and ridge caps cracking. Thermal cycling degrades mortar-set tile on hips and ridges faster in Somis than in stable coastal microclimates like Camarillo or Oxnard. Cracked mortar lets water in and loosens caps during wind events. We re-set these with mechanical fasteners where code allows, which outlasts mortar.
- Ember intrusion damage hidden beneath intact-looking surfaces. After the 2017 Thomas Fire, many Somis roofs looked fine from the ground but had ember intrusion damage in the decking and underlayment. We find charred spots and compromised assemblies during tear-off. If you haven’t had a post-fire inspection, now is the time.
Pricing for Roof Replacement in Somis, CA
Here are real numbers for the Somis market. A standard concrete tile reroof on a 2,000-square-foot ranch home runs $18,000 to $28,000. Architectural asphalt shingles on the same footprint land between $14,000 and $19,000. Flat roof sections run $900 to $1,500 per 100 square feet. Corrugated metal on an agricultural outbuilding starts around $12,000 and goes up with size and decking condition. The biggest cost drivers are decking replacement, Class A underlayment upgrades, and whether existing tile can be reused. Ventura County permit fees and CAL FIRE compliance work are included in our written quote, not added at the end. Call (945) 303-9821 for a free, line-item estimate on your Somis roof.
We Also Serve Cities Near Somis
Our crews cover the full Ventura County corridor around Somis. If you’re in Camarillo, Santa Paula, Moorpark, or Newbury Park, we handle Roof Replacement in Somis and surrounding communities with the same written-price guarantee. Scheduling is coordinated through our Los Angeles-area office, and crews serve the valley daily. Call to set up a free estimate at your property.
Serving Somis, CA - Our Local Coverage Area
We’re based in the Somis 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 About Roof Replacement in Somis
Generally no, as long as the roofer doesn’t alter the structural framing or decking in a way that changes the load path. What you should do before work starts is have your roofer document the existing condition with photos and note that all work follows Ventura County code. We do this as standard practice on every Somis roof replacement, and we keep the structural warranty intact by replacing underlayment and roof assembly layers without modifying trusses or sheathing beyond what’s needed for a compliant assembly.
Yes. Somis sits within CAL FIRE’s State Responsibility Area inside a Very High Fire Hazard Severity Zone, which means every re-roof and new construction project must meet Class A fire-rating standards. That applies to the full assembly, not just the surface material. Ventura County enforces this at permitting and inspection. Call us at (945) 303-9821 if you want to know whether your current roof meets the standard.
Upgrade the underlayment and valley flashing before anything else. Tile on a Somis home often outlasts what’s underneath it, and the valley’s thermal cycling destroys builder-grade underlayment fast. If you’re doing a reroof anyway, add a synthetic underlayment and ice and water shield at valleys. That single upgrade extends the roof’s service life more than any cosmetic change. For an exact scope and price, our estimates are free.
Put both bids side by side and confirm these five line items match: Class A fire-rated underlayment, decking replacement scope, valley and penetration flashing details, permit and inspection inclusion, and warranty terms in writing. If one bid is missing any of those, it’s not comparable. In Somis, the CAL FIRE compliance piece is the one homeowners most often overlook, and it’s the most expensive to add back later. We’ll walk through any competing bid with you line by line.
Most newer Somis developments with HOAs or architectural committees require prior written approval for a roof replacement, especially if you’re changing material or color. Some require a specific tile profile or color range. We’ve worked with several Somis HOAs and can provide the material spec sheets and drawings your committee needs for review. Getting that approval before the permit saves you a stop-work notice and re-inspection fees. Call (945) 303-9821 for an exact quote on your replacement.
Written by Greg Holloway, Owner at Tilehurst Roofing, serving Somis and surrounding Ventura County communities with written-price roofing since 2000.