Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Installation Across San Anselmo
Roof installation in San Anselmo typically runs $12,000 – $28,000 for a complete residential job, with most homeowners in the 94960 zip code landing in the $15,000 – $22,000 range depending on pitch, material, and whether we’re working around mature redwoods or tight hillside access. Most of our San Anselmo crews can start within 2 – 3 weeks of contract signing, and we pull all Marin County permits so you don’t chase paperwork.
We’re on Sir Francis Drake Boulevard regularly, hauling materials past the San Anselmo Memorial Park and up into the Sleepy Hollow neighborhood where the roads narrow and the lots tilt. San Anselmo’s mix of 1920s Craftsmans, mid-century ranch homes, and newer builds climbing the hills means every roof installation here is its own puzzle. We’ve learned where the fog sits longest off San Francisco Bay, which accelerates moss growth on north-facing slopes, and which streets in the Yolanda area get the afternoon wind that tests every fastening pattern. That local knowledge shows up in how we spec your underlayment, how we ventilate your attic, and how we protect your landscaping during tear-off. Call (325) 246-5075 to schedule your free estimate.
Why Crestview Roofing Is San Anselmo’s Preferred Roof Installation Company
San Anselmo homeowners find us because their neighbor on Madrone Avenue recommended us, or because they watched our crew handle a full install on a steep-pitched home near Brookside School without damaging a single heritage oak. We don’t advertise much in Marin County. Word travels fast in a town of 12,000 people, and bad work travels faster.
Our San Francisco Bay Area office coordinates scheduling for San Anselmo, so when you book with us, you get a live trackable arrival time through The Relay Standard, not a four-hour window that wastes your Saturday. You’ll know Dylan Pace’s crew is turning onto your street before they knock.
We’ve installed roofs on the flat-topped Eichler-influenced homes near the hub and on the complex turrets up in the hills above Red Hill Avenue. That range matters because San Anselmo’s building stock isn’t uniform, and a crew that only knows tract homes will struggle here.
Every Roof Installation we complete in San Anselmo comes with our 365-Day Done Right Promise in writing. If anything we installed fails within a year, we fix it free, including the second visit. No negotiation, no runaround.
Roof Flashing Installation in San Anselmo
Roof flashing installation in San Anselmo protects the joints where your roof meets walls, chimneys, dormers, and skylights, the exact spots where Marin County’s driving winter rains find their way in. On older homes near downtown San Anselmo, we often pull out original galvanized flashing that’s rusted through after 80+ years of Pacific moisture. Most flashing-only jobs here run $800 – $2,500 depending on linear footage and whether we’re working around active chimneys or intricate architectural details.
Step Flashing Versus Continuous Flashing
Step flashing, the individual L-shaped metal pieces woven into each shingle course, handles the wall-to-roof intersections common on San Anselmo’s multi-gable Craftsmans. Continuous flashing, a single metal strip, works better for long, straight runs on the simpler ranch profiles up near the top of Red Hill Avenue. We choose based on your roof’s geometry, not what’s fastest for us.
Counter-Flashing and Masonry Chimneys
San Anselmo’s older homes often have brick chimneys with failing mortar joints. We install counter-flashing cut into the masonry bed joints, not just caulked on top, so the seal outlasts the next decade of earthquakes and thermal cycling. It’s more work upfront. It also means you won’t call us back in two years.
TPO Roofing Installation in San Anselmo
TPO roofing installation in San Anselmo gives flat or low-slope homeowners a white, reflective single-ply membrane that cuts cooling costs during the inland heat spikes that push past 90 degrees in late summer. We see TPO most often on the modern additions and ADUs tucked behind older homes in the Yolanda area, where homeowners want energy efficiency without the weight of built-up tar and gravel. A typical TPO installation in San Anselmo runs $8,500 – $16,000 for residential applications under 2,000 square feet.
Mechanically Attached Versus Fully Adhered
On San Anselmo’s exposed hillsides where afternoon wind gusts rip through the gap between White’s Hill and Bald Hill, we typically specify mechanically attached TPO with barbed plates, not glue-down. The fasteners grip the deck directly. Fully adhered works fine for sheltered courtyards and interior flat roofs where wind uplift isn’t a factor.
TPO Seam Welding and Warranties
Every TPO seam we install gets hot-air welded, not taped, because Marin County’s temperature swings stress adhesive bonds over time. We register your installation with the manufacturer for a 15- or 20-year no-dollar-limit warranty, and we document every weld with photos you receive through The Relay Standard before we invoice.
Trusted Brands We Service in San Anselmo
We install GAF Timberline HDZ shingles on the majority of San Anselmo’s pitched roofs because the LayerLock technology holds up to the town’s wind exposure, and the StainGuard protection slows the algae streaking that fogs in from the coast every summer. For homeowners who want a heavier dimensional look, we offer Atlas StormMaster Slate and Tamko Heritage Vintage in colors that blend with the muted greens and earth tones Marin County design review prefers. We don’t special-order from a warehouse three counties away. Our San Francisco Bay Area office stocks GAF and Atlas core lines locally, so if a San Anselmo job needs extra bundles or a matching ridge cap, we’re not waiting a week. Your timeline stays your timeline.
Common Roof Installation Problems We See in San Anselmo Homes
- Hillside access and material staging. Homes above Sir Francis Drake Boulevard or tucked into the Sleepy Hollow canyon often lack driveway space for a full shingle delivery. We coordinate crane drops or use our compact loaders to stage materials without blocking narrow roads or damaging retaining walls built decades ago.
- Redwood debris and accelerated underlayment decay. San Anselmo’s mature redwoods drop needles year-round, and the tannic acid accelerates degradation of standard felt underlayment. We spec synthetic underlayment with higher UV and chemical resistance on homes surrounded by heritage trees.
- Earthquake-legacy framing and uneven decks. Many San Anselmo homes built before 1970 have rafters that shifted slightly in the 1989 Loma Prieta quake or its aftershocks. We don’t shingle over waves and dips. We sister-frame or shim to create a true plane before the first shingle goes down.
- Marin County’s strict disposal and recycling requirements. Old asphalt shingles can’t hit the landfill loose. We haul to the licensed recycling facility in Novato and provide the documentation your permit closure requires, included in our price, not added as a surprise line item.
Pricing for Roof Installation in San Anselmo, CA
A typical complete roof installation in San Anselmo runs $12,000 – $28,000, with most homeowners paying $15,000 – $22,000 for a 2,000 – 2,500 square foot home using architectural shingles on a moderately pitched roof. TPO membrane for flat roofs typically falls in the $8,500 – $16,000 range. Metal roofing, which we’re installing more often on modern builds near the hub, starts around $22,000 and can reach $40,000 for complex standing-seam systems.
What moves your number within these ranges: roof pitch (steeper costs more for safety and labor), layers of old roofing to remove, deck repairs after tear-off, accessibility (hillside crane rental adds $800 – $1,500), and whether you upgrade to impact-resistant shingles or integrated solar flashing. We don’t guess at these variables. We inspect, photograph, and deliver a written line-item price before any work starts. The number on the page is the number on the invoice. Call (325) 246-5075 for your free estimate.
We Also Serve Cities Near San Anselmo
Our crews work throughout central Marin County. We handle Roof Repair in San Anselmo and Roof Replacement in San Anselmo for homeowners who aren’t ready for a full install, and we regularly drive from Fairfax through Kentfield, San Rafael, and Larkspur for new construction and re-roofing projects. If you’re unsure whether your address falls in our San Anselmo service radius, call us. We’ll tell you straight.
Serving San Anselmo, CA – Our Local Coverage Area
We’re based in the San Anselmo 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 San Anselmo
Most San Anselmo roof installations start within 2 – 3 weeks of contract signing, once Marin County permits are approved. We submit permit applications digitally and track them so you don’t have to visit the county office. Call (325) 246-5075 to check current scheduling.
Yes, we work throughout San Anselmo including Sleepy Hollow, the Yolanda area, the flats near downtown, and the hillside streets above Red Hill Avenue. Each zone has different access and staging challenges, and we’ve solved them all. Call (325) 246-5075 to discuss your specific location.
San Anselmo roof installation costs run roughly 8 – 12% above the national average, comparable to Fairfax and slightly below Kentfield, mainly due to Marin County permit fees, hillside access complexity, and disposal requirements. We absorb the estimating and documentation costs into our standard pricing. Call (325) 246-5075 for an exact quote.
Every roof installation in San Anselmo carries the manufacturer’s material warranty, 15 – 50 years depending on your shingle or membrane choice, plus our 365-Day Done Right Promise on workmanship. If any installation-related issue arises within a year, we repair it free, including a free second visit if needed. Both warranties are in writing, included with every job.
If weather or hidden damage creates an urgent issue during your installation, our crew has temporary waterproofing materials on every truck and direct phone access to Dylan Pace for same-day decisions. We don’t leave your home exposed overnight. For pre-existing emergency damage before your scheduled install, we also handle Roof Repair in San Anselmo to stabilize conditions. Call (325) 246-5075 anytime, a live person answers 24/7.
Written by Dylan Pace, Owner at Crestview Roofing, serving San Anselmo since 2000.






Before
After
Before
After
Before
After