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Desk 01 · HQ · Bay Area · Roofing

Bay Area Roofing Contractor. the assembly that takes the winter.

Bay Area roofs take real rain — atmospheric-river storms that find every nail pop and flashing failure. They also take wind on Peninsula ridges and ember exposure on East Bay hillside lots. We replace, re-cover, and detail roofs across SF, Oakland, Berkeley, Walnut Creek, Fremont, San Jose, and the Peninsula.

Licensed California contractor · CSLB #1156772 · Bay Area desk · city-by-city review

Begin a Bay Area roofing brief →← Back to Bay Area desk

About Roofing in Bay Area

Most of our Bay Area roofing work is fixed-scope replacement: tear-off, decking repair, underlayment, flashing, vents, and a 25-year material warranty — coordinated with the city's permit and inspection process.

Bay Area permit notes · Roofing

What we resolve before drawings begin.

  • 01

    Title 24 cool-roof + Cal-Fire

    Bay Area replacements over a threshold trigger Title 24 cool-roof; WUI / hillside lots add Cal-Fire Class A assembly + ember-resistant venting.

  • 02

    Flat / low-slope on SF flats + Eichlers

    SF Edwardian flats and Peninsula Eichlers run TPO / PVC / torch-down — never asphalt. We pick the assembly per slope and parapet detail.

  • 03

    City-by-city inspection

    Each Bay city runs roofing inspection differently. We schedule, document, and clear inspections.

Roofing intel · materials & manufacturers · Bay Area spec

A California re-roof is a 25–50 year financial decision dressed up as a one-week project. The shingle brand, underlayment, and flashing details matter more than the labor crew.

  • Owens Corning, GAF, and CertainTeed control roughly 75% of the US asphalt-shingle market — every credible roofer specs one of the three.
  • Class A fire rating is mandatory in CA WUI (Wildland-Urban Interface) zones; this rules out untreated wood shake outright.
  • Cool Roof Rating Council (CRRC) listing is required to satisfy CA Title 24 prescriptive compliance on most low-slope replacements.

The manufacturers we actually specify.

  • Owens Corning

    premium

    Toledo, OH · founded 1938

    Asphalt-shingle market leader · Duration & Duration Storm lines

    SureNail technology (a fabric strip in the nail zone) gives measurably better wind resistance — we've pulled Duration shingles off after 12 years for re-decking and the seal is still intact.

    Limited Lifetime warranty · 130 mph wind w/ proper install · Class 4 impact on Duration Storm

    Watch outWarranty is pro-rated after year 10 — keep the receipt and registration or you lose half the protection.

  • GAF

    premium

    Parsippany, NJ · America's largest roofing manufacturer

    Timberline HDZ + Golden Pledge system warranty

    Only system warranty in the industry that requires a Master Elite contractor and covers labor for 25 years — meaningful for owners planning to sell within a decade.

    Timberline HDZ · LayerLock · 99.9% nailing accuracy claim

    Watch outGolden Pledge is only honored if every GAF accessory (underlayment, starter, ridge, leak barrier) is used — partial systems void it.

  • CertainTeed

    premium

    Malvern, PA · Saint-Gobain subsidiary

    Landmark / Landmark Pro / Presidential designer shingles

    Presidential Shake TL is the closest asphalt look to real cedar — passes Class A fire requirements where shake cannot.

    SureStart Plus · transferable warranty to next owner (one transfer)

  • Malarkey Roofing Products

    specialty

    Portland, OR · employee-owned

    Vista / Legacy with SBS-modified asphalt

    Rubberized (SBS-polymer) shingles flex with thermal cycling — best choice for inland LA County where decking sees big day/night swings.

    Class 4 impact rated · 3M Smog-Reducing Granules on Legacy line

  • Eagle Roofing Products

    workhorse

    Rialto, CA

    Concrete tile — Malibu, Capistrano, Bel Air profiles

    California-manufactured concrete tile, lighter weight (Ponderosa ~6 lb/sf) means many existing rafters don't need sistering. Cool-roof colors available.

    Limited lifetime warranty · CRRC-listed cool-roof colors

  • Boral / Westlake Royal

    premium

    Lake Forest, CA

    Clay tile — Saxony, US Tile, Cedarlite composite

    Genuine fired clay (not concrete) for historic Spanish & Mediterranean homes in Beverly Hills, Pasadena, Hancock Park where HOA review demands real clay.

    75-year material warranty · color through-body (won't fade)

  • Decra Metal Roofing

    specialty

    Corona, CA

    Stone-coated steel — Villa Tile, Shake XD, Tile profiles

    Looks like tile or shake, weighs ~1.4 lb/sf — the only practical re-roof when the existing structure cannot carry concrete tile and the owner won't accept asphalt.

    50-year limited warranty · Class A fire · Class 4 impact

  • GAF EverGuard / Carlisle Sure-Weld

    workhorse

    USA

    TPO single-ply membrane for low-slope ADU roofs

    Hot-air welded seams instead of glue — the actual failure point on low-slope roofs. We use 60-mil minimum on California Title 24 reflective installs.

    20-year NDL (No Dollar Limit) warranty available with certified install

Material tiers · what you're actually choosing between.

MaterialLifespanInstalled in CABest forTrade-offs
Architectural asphalt shingle25–40 years (warranty), 18–25 realistic in LA sun$5.50–$9.50 / sq ft installedMost LA single-family re-roofs, tract homes, ADU pitched roofs.Asphalt degrades fastest on south-facing slopes; budget +15% for cool-roof colors.
Concrete tile (Eagle)50+ years (material), 30 years on underlayment$10–$16 / sq ft installedSpanish, Mediterranean, ranch homes — keeps original architecture intact.Heavy (6–11 lb/sf). Often the underlayment fails before the tile — plan a 'lift & re-lay' at year 30.
Clay tile (Boral / US Tile)75–100 years on the tile itself$15–$28 / sq ft installedHistoric and high-end Mediterranean revivals; HOA-required clay.Most expensive option per square; framing must be verified. Repair tiles can be hard to color-match across decades.
Stone-coated steel (Decra)40–50 years$13–$19 / sq ft installedHillside / WUI homes that need tile look without the weight, or cedar look without the fire risk.Higher upfront vs. asphalt; some owners hear rain noise more loudly on cathedral ceilings.
Standing-seam metal (24-ga steel / aluminum)40–70 years$14–$22 / sq ft installedModern ADUs, agricultural / barn-style aesthetics, very low-slope roofs.Panel waves ('oil-canning') is a real cosmetic issue — specify striations or thicker gauge.
TPO single-ply (60-mil)20–25 years$8–$13 / sq ft installedFlat / low-slope ADUs and additions; required for most rooftop deck builds.White TPO can pick up dirt and pool stains; needs annual rinse to keep cool-roof reflectance values.

Specification gotchas we resolve before contract.

  1. 01

    Underlayment is the actual waterproofing — not the shingle.

    We specify synthetic underlayment (GAF Tiger Paw or Owens Corning ProArmor) and self-adhered ice/water shield (Grace or GAF WeatherWatch) at every valley, eave, and penetration. Felt-paper bids are 1980s pricing for 1980s longevity.

  2. 02

    Step-flashing and counter-flashing must be metal, not caulk.

    The #1 leak we re-do for new clients: prior roofer caulked a sidewall instead of cutting in step-flashing under stucco. We saw-cut the reveal, slip in painted galvanized, and seal with backer-rod + sealant.

  3. 03

    Ventilation: net-free area to roof area must be at least 1:300.

    Under-ventilated attics in LA reach 160°F and bake the shingles from below — voiding most warranties. We add ridge vent, intake at eave (smart vents or static), and balance the math before tear-off.

  4. 04

    Title 24 cool-roof + CRRC listing for low-slope (≤ 2:12).

    Replacement of more than 50% of the roof on most LA jurisdictions triggers Title 24 cool-roof compliance. We pull a CRRC-listed product and submit the SRI value with the permit set.

  5. 05

    Solar-ready: lay down conduit pathways before re-roof.

    Owners adding panels within 5 years: we install a 1-inch EMT chase from attic to electrical room during re-roof for ~$300 — vs. $2,000+ for a retrofit penetration later.

And the products we won't put on your house.

  • Untreated wood shake / shingle

    Banned in CA WUI zones (Class A fire requirement) and a frequent insurance non-renewal trigger. Even Class A pressure-treated shake voids most home insurance policies.

  • 3-tab strip shingles

    20-year nominal life, fails in 12–15 years in LA UV. Penny-wise / pound-foolish — the labor is identical to architectural shingle.

  • Cement-asbestos tile

    Pre-1980 product. We are not removing it; abatement requires a Cal/OSHA-certified contractor.

Sources · Owens Corning Duration spec sheet · GAF Golden Pledge warranty terms · CRRC cool-roof rating directory · CA Title 24 — Roof / cool-roof requirements

Other Bay Area services.

All Bay Area services →

Bay Area city directory · 172 cities served

Roofing, written for your city.

Each link opens a dedicated page calibrated to the city's permit authority, lot conditions, and price band — not a generic regional landing.

Bay Area · Roofing FAQ

Questions Bay Area homeowners ask first.

Start a Bay Area roofing brief. We'll review the existing assembly, fire-zone overlay, Title 24, and a fixed-scope contract.

  1. What does a Bay Area roof replacement cost?
    Most Bay Area single-family composition re-roofs land $22K–$55K. Tile $40K–$95K. Flat TPO $25K–$65K.
  2. How long does it take?
    3–8 working days on a single-family. Multi-plane and SF flats run longer.
  3. Can you handle WUI / hillside fire requirements?
    Yes — Class A assemblies, ember-resistant venting, and metal flashing across East Bay and Peninsula WUI zones.
  4. Do I need a permit to re-roof in the Bay Area?
    Yes — every Bay city requires a permit for full roof replacement, plus Title 24 cool-roof documentation on most jurisdictions. We pull the permit and close the inspection.
  5. Can you re-roof a flat SF Edwardian or Peninsula Eichler?
    Yes — we install single-ply TPO / PVC or torch-down on low-slope SF flats and Eichlers, with full edge and parapet detail. Asphalt is not appropriate at low slope.
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