Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Before
After
Before
After
Before
AfterFast, Reliable Roof Installation Across Santa Rosa
A full roof installation in Santa Rosa typically runs $14,000 to $28,000 depending on square footage, pitch, and material choice, and most homes take 3 to 7 days from tear-off to final inspection. We’re Crestview Roofing, and we’ve been doing this since 2000. If you live in Fountaingrove, Rincon Valley, Coffey Park, or anywhere else in Santa Rosa, you’ll get a written price before any work starts, photo documentation before and after, and a live arrival time you can track. Call (325) 246-5075 to schedule a free estimate.
Why Crestview Roofing Is Santa Rosa’s Preferred Roof Installation Company
Santa Rosa homeowners have a particular reason to be picky about roofers. The 2020 Glass Fire tore through Fountaingrove, Coffey Park, and parts of Rincon Valley, and since then we’ve seen rebuild after rebuild where the original contractor rushed the underlayment. Homeowners call us three or four years after their “new” roof went on, asking why shingles are lifting and water is tracking through the valleys. We know what to look for because we’ve opened up dozens of those roofs across Santa Rosa.
Dylan Pace leads our team, and he’s built Crestview Roofing around one idea: you should see the same documents, photos, and numbers we see. Every Santa Rosa job includes a written scope, a written price, and a written 365-Day Done Right Promise. Our techs are background-checked, uniformed, and you’ll know their name and arrival time before they pull into your driveway. That’s the standard we work to on every installation in Santa Rosa, from starter strips in Bennett Valley to ridge vents above Skyhawk.
We coordinate scheduling and dispatch from the Bay Area office, but crews serving Santa Rosa live and work in Sonoma County regularly. You’ll get a real person on the phone at (325) 246-5075 any hour, day or night.
Roof Ventilation in Santa Rosa
Roof Ventilation in Santa Rosa isn’t a luxury add-on, it’s the difference between a roof that lasts 15 years and one that fails at 8. Santa Rosa’s summer heat bakes attics to 140 degrees plus. Without proper soffit and ridge ventilation, that heat cooks the shingle adhesive from underneath and voids most manufacturer warranties. We’ve pulled shingles off older Santa Rosa bungalows where the underside looked like cardboard.
Soffit and Ridge Ventilation
A balanced system needs intake at the eaves and exhaust at the peak. On Santa Rosa homes we typically size ridge vent at 1 square foot of net free area per 300 square feet of attic floor. When we’re already tearing off, adding continuous ridge vent and new perforated soffit panels adds roughly $800 to $1,600 to the project.
Insulation and Airflow Corrections
Older Santa Rosa homes, especially the 1960s and 70s ranchers around Montgomery Village, often have bathroom fans venting into the attic instead of outside. That pumps warm, moist air into a space that should stay cool and dry. During tear-off we’ll inspect the attic side and flag any corrections that belong on the same permit. Fixing bath fan venting and adding baffles usually adds $300 to $700.
Roof Flashing Installation in Santa Rosa
Roof Flashing Installation in Santa Rosa is where roof leaks actually start, and it has to be done before the shingles go down. Flashing is the metal, usually galvanized steel or aluminum, that seals the joints around chimneys, skylights, plumbing vents, and wall intersections. Santa Rosa’s winter rains are steady enough that a badly flashed valley will show itself within the first season.
Valley and Penetration Flashing
Steep-pitch roofs in Rincon Valley and the hills above Bennett Valley put real stress on valley flashing. We cut and bend custom metal to the pitch, lay ice and water shield beneath, and tie the flashing into the underlayment, not just caulk it to the shingles. A chimney flashing replacement during a roof installation runs $600 to $1,800 depending on the chimney’s size and masonry condition.
Drip Edge and Wall Flashing
Drip edge is the L-shaped metal strip along the eaves and rakes that keeps water from wicking back under the shingle edges. Older Santa Rosa homes frequently have none, and the fascia rots from behind. On a full installation we always recommend replacing or adding drip edge. The cost is typically $2 to $4 per linear foot, and it’s cheap insurance against the wet winters we get off the Pacific.
Trusted Brands We Service in Santa Rosa
We install and repair manufacturer-backed roofing from GAF, CertainTeed, and Owens Corning, and we keep common accessories in stock for Santa Rosa jobs. That means no week-long waits for ridge caps or starter strips when we’re wrapping up a project in Coffey Park or fixing a valley on a Windsor Hill rancher. If you already have a brand preference, you’ll know before we start that we’re using the genuine material, matched to the existing profile. No generics, no “comparable” substitutions, and the written price reflects the material you approved.
Common Roof Installation Problems We See in Santa Rosa Homes
- Rushed rebuild underlayment: In Fountaingrove and Coffey Park, we regularly open roofs on homes rebuilt after the Glass Fire and find underlayment that was laid too thin or skipped entirely between courses. Architectural shingles over bad paper leak within a few wet winters.
- Poorly flashed valleys on steep pitches: Rincon Valley homes built into the hillsides have steeper rooflines than the valley floor ranches. Water moving fast through a valley will find any opening, and caulk alone never holds.
- Inadequate attic ventilation baking new shingles: Santa Rosa’s triple-digit summer days cook the attic air. If the original soffit vents are painted over or the ridge vent was never cut in, the shingle warranty is gone before the first spring inspection.
- Missing drip edge on older homes: We’ve torn off roofs in the Grace Tract and around Howarth Park where the fascia boards crumbled in our hands. Water follows the missing drip edge back to the wood every time.
Pricing for Roof Installation in Santa Rosa, CA
On a standard 1,800 to 2,400 square foot single-story Santa Rosa home, a full tear-off and architectural shingle installation runs $14,000 to $22,000. Add a second story or a steep pitch and you’re looking at $20,000 to $28,000. Materials drive a third of that: GAF Timberline HD shingles run about $115 to $135 per square, CertainTeed Landmark around $105 to $125 per square, and Owens Corning Duration around $110 to $130 per square. Tear-off disposal, dump fees, underlayment, flashing, ridge vent, and labor make up the rest. You’ll get a written, line-item price before any work starts. Call (325) 246-5075 for a free estimate on your Santa Rosa roof.
We Also Serve Cities Near Santa Rosa
Beyond Santa Rosa, we do Roof Installation work in Sebastopol, Windsor, Rohnert Park, and Cotati. If you’re in one of those towns and need a roof replacement or installation, the same written-price process and 365-Day Done Right Promise apply. Planning a project elsewhere in Sonoma County? Call us at (325) 246-5075 and we’ll tell you if we can get a crew to you. For more on the area, see our Santa Rosa coverage.
Serving Santa Rosa, CA – Our Local Coverage Area
We’re based in the Santa Rosa 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 Installation in Santa Rosa
Yes. Santa Rosa’s building department requires a reroofing permit, and the final installation must pass a city inspection for nailing pattern, underlayment, and fire assembly compliance. We pull the permit, schedule the inspection, and meet the inspector on site. Any corrections called out are handled before we consider the job done. Call (325) 246-5075 and we’ll explain exactly what your project needs.
We plan tear-offs around the weather window. Santa Rosa’s rainy season runs roughly November through April, and we’ll schedule full tear-offs for clear stretches of 4 to 7 days, with tarps and underlayment staged for sudden changes. If rain hits mid-installation, we pay for the extra measures, not you. Call (325) 246-5075 for a realistic calendar on your roof.
For homes in the wildland-urban interface zones, yes. California’s Chapter 7A and Santa Rosa’s post-fire rebuild standards require Class A assemblies on many properties, especially in the hills. We’ll check your parcel against the current fire severity zone map and build to the applicable zone. That means Class A shingles, fire-rated underlayment, and non-combustible flashing where required. Call (325) 246-5075 and we’ll scope it correctly.
The big four are square footage, pitch, the number of penetrations, and whether we’re replacing the deck. A steep 8/12 pitch on a Rincon Valley home costs more in labor and safety equipment than a 4/12 rancher near Coddingtown. Every chimney, skylight, and plumbing vent adds flashing work. If the plywood deck is bad, figure $2 to $3 per square foot extra. You’ll see every line item in the written estimate. Call (325) 246-5075 for a free quote.
We treat ventilation as part of the roof system, not an add-on. During tear-off we’ll inspect the attic side and, if needed, add continuous ridge vent, new soffit panels, and baffles before the shingles go down. On rebuild-era Santa Rosa homes we often find bathroom fans venting into the attic, and fixing that at the same time saves you a later repair. Estimates are free, call (325) 246-5075.
Written by Dylan Pace, Owner at Crestview Roofing, serving Santa Rosa since 2000.