Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Roofers in Simi Valley, CA
Roofing in Simi Valley is shaped by two things: a housing stock dominated by single-family homes built between the 1960s and 1990s, and a high-wind, wildfire-prone corridor that makes material and installation choices far more consequential than in neighboring San Fernando Valley communities. Crestview Roofing works on ranch-style and Spanish-influenced tract homes across the city, where concrete tile and composition shingle roofs are common but often reaching the end of their service life. Santa Ana winds, summer heat exceeding 100°F, and Wildland-Urban Interface codes all change how a roof should be built or repaired here. Call (559) 249-4917 to talk through what your Simi Valley roof actually needs.
Why Simi Valley Homes Are Different
The homes in Simi Valley were largely built during a housing boom that prioritized speed and consistency over long-term weather resilience. That means many roofs now hitting 30 to 40 years old were installed with materials and methods that predate today’s wind and fire standards. Santa Ana winds gusting over 60 mph in the fall find every loose tile, every brittle shingle, every flashing joint that has quietly failed. And because Simi Valley sits in a high-fire-hazard zone, the code stakes are higher than most homeowners realize. Class A fire-rated roofing materials are not a luxury here; they are the baseline for a compliant roof.
In the eastern and northern foothills, the work shifts again. Homes bordering open space in neighborhoods like Wood Ranch, Bridle Path, and Big Sky often fall under Wildland-Urban Interface, or WUI, requirements. We routinely see cedar shake roofs being torn off and replaced with fire-retardant composite or tile in these areas, a job that is far less common in the flatlands around the city center. The terrain and exposure change what the roof has to do, and that changes the scope and cost of the work.
Styles & brands we work with






Our Main Simi Valley Services
The two calls we get most from Simi Valley homeowners are for roof repair and roof replacement, with new roof installation close behind for additions and full teardowns. Here is how each one works in Simi Valley specifically.
Roof Repair in Simi Valley
Roof repair in Simi Valley usually means chasing damage from wind-driven debris, failed flashing around chimneys and vents, or tile that has shifted after a Santa Ana event. The biggest mistake we see is homeowners waiting on a small leak. Simi Valley’s dry summers can hide a slow leak for months, and by the time the rains return, the decking underneath has rotted. Repairs here should account for the wind exposure on your specific street, not just the visible damage. We write a price before any work starts and cover every repair for 365 days, in writing. See Roof Repair in Simi Valley for full pricing and scope.

Roof Replacement in Simi Valley
Most replacements in Simi Valley involve pulling off composition shingle or concrete tile that has reached the end of its service life and upgrading to materials that meet current wind and fire codes. Homes in WUI zones, especially in the foothills, often require fire-retardant composite or tile rather than a like-for-like swap. The age of the home matters too; some 1960s-era ranch houses need decking repairs before new underlayment can go down. We walk every replacement with a written quote that includes materials, labor, and any code-required upgrades. Full details are on our Roof Replacement in Simi Valley page.

Roof Installation in Simi Valley
New roof installation in Simi Valley generally happens on additions, ADUs, or custom builds, and the same wind and fire rules apply. A new roof on a hillside lot in Wood Ranch has different anchoring and underlayment requirements than a flat lot near the 118. We install with materials from GAF, CertainTeed, and Owens Corning, among others, and every installation includes a written price before work begins and photo documentation before and after. If you are planning new construction, see Roof Installation in Simi Valley for what to expect.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Simi Valley
We install and repair roofs using materials from Tamko, Boral, GAF, and CertainTeed, matching the right product to Simi Valley’s wind and fire exposure rather than pushing whatever is on the truck. See our brands for more on what we stock and why.
See the difference
Before
After
Before
After
Before
AfterPricing for Roofers in Simi Valley, CA
| Service | Typical range in Simi Valley |
|---|---|
| Minor roof repair (loose shingles, small flashing leak) | $350 – $750 |
| Chimney flashing repair | $450 – $950 |
| Skylight flashing repair | $400 – $900 |
| Vent pipe boot replacement | $300 – $600 |
| Tile roof repair (cracked or slipped tiles) | $500 – $1,200 |
| Composition shingle replacement (per section) | $600 – $1,400 |
| Roof replacement (composition shingle, standard ranch) | $9,500 – $18,000 |
| Roof replacement (concrete tile, Spanish-influenced tract) | $16,000 – $30,000 |
| Roof replacement (WUI-compliant composite, foothills) | $14,000 – $26,000 |
| New roof installation (addition or ADU, standard size) | $11,000 – $22,000 |
What pushes price up in Simi Valley is almost always the same three things: wind exposure that requires extra fastening, fire-code upgrades that change the material spec, and decking rot that only shows up once the old roof comes off. Every Crestview quote is a written line-item price before any work starts, so the number you approve is the number you pay. No change orders, no surprise add-ons.
Neighborhoods We Serve in Simi Valley
We work across Simi Valley, from the flatlands near the 118 to the foothill communities that border open space. Response times vary by location, but the city is compact enough that most appointments can be scheduled without a long wait.
- Wood Ranch
- Bridle Path
- Big Sky
- Texas Tract
- Central Simi Valley
Service Area – Cities Near Simi Valley
While this page covers Simi Valley specifically, our work regularly takes us to nearby communities with similar wind and fire exposure. We also serve Moorpark, CA, Newbury Park, CA, Fillmore, CA, and Somis, CA. If you are on the edge of Simi Valley or just outside it, call us and we will tell you honestly whether we can get a crew to you.
Serving Simi Valley, CA - Our Local Coverage Area
We’re based in the Simi Valley 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 Roofers in Simi Valley
We schedule by appointment and coordinate dispatch from our Los Angeles office, with crews serving Simi Valley locally. Most estimates can be booked within a few business days, and repair scheduling depends on the urgency of the leak and current crew availability. Call (559) 249-4917 and a live person will give you a real arrival window, not a four-hour guess.
Most full roof replacements and new installations in Simi Valley require a city permit, and any work in a Wildland-Urban Interface zone must meet specific fire-compliance standards that get checked during inspection. We handle the permit paperwork and the inspections as part of the job. Repairs that do not change the roof structure typically do not need a permit.
Yes. Many Simi Valley neighborhoods, including Wood Ranch and parts of the foothills, have HOAs with specific material and color requirements. We review the HOA guidelines before quoting so the written price already accounts for approved materials. No surprises after the job starts, and no HOA violations to fix later.
What happens when you call
- 1A real person answersNo phone trees - talk to a local roofing pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Simi Valley Customers Say
"Booked an inspection online and got a text with the inspector's name and ETA. He sent photos from the roof. Showed me the lifted shingles and fixed them the next day."
- Matt B."Replaced damaged flashing and some decking. Quick, tidy, fair."
- Chad F."Estimate came in the app with a line-by-line breakdown. Accepted with a tap."
- Raj P.