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GoldenStateADU
Desk 02 · Los Angeles · Roofing

Los Angeles Roofing Contractor. the assembly above everything else.

LA roofs face a brutal trifecta: sustained UV, brush-fire ember exposure on hillside lots, and short, intense winter rain that exposes every penetration and flashing detail. We replace, re-cover, and detail roofs across Hancock Park, Mar Vista, Pasadena, Burbank, the South Bay, and the unincorporated LA hillsides.

Licensed California contractor · CSLB #1156772 · Los Angeles desk · LADBS

Begin a Los Angeles roofing brief →← Back to Los Angeles desk

About Roofing in Los Angeles

Most of the LA roofs we touch are part of a larger remodel, addition, or ADU build — but we also handle stand-alone replacement work as a fixed-scope contract: tear-off, decking repair, underlayment, flashing, vents, and a 25-year material warranty.

Los Angeles permit notes · Roofing

What we resolve before drawings begin.

  • 01

    Title 24 cool-roof compliance

    LA replacements over a certain area trigger Title 24 cool-roof rules. We specify reflective product and document compliance for permit closeout.

  • 02

    Fire-zone ember protection

    Hillside and Very High Fire Hazard Severity Zone lots need Class A assemblies, ember-resistant eave vents, and metal valley flashing. We design for the local fire overlay.

  • 03

    Flat / low-slope detail

    LA hillside ranches and mid-century flat roofs need single-ply (TPO/PVC) or torch-down — not asphalt. We pick the assembly per slope and parapet detail.

Roofing intel · materials & manufacturers · Los Angeles 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 Los Angeles services.

All Los Angeles services →

Los Angeles city directory · 314 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.

Los Angeles · Roofing FAQ

Questions Los Angeles homeowners ask first.

Start an LA roofing brief. We'll review existing assembly, fire-zone requirements, Title 24, and a fixed-scope contract.

  1. What does a Los Angeles roof replacement cost?
    Most LA single-family asphalt re-roofs land $18K–$45K. Tile re-roofs $35K–$80K. Low-slope TPO $20K–$55K depending on size and parapet detail.
  2. How long does an LA roof replacement take?
    3–7 working days on a typical single-family. Larger or multi-plane roofs run longer.
  3. Do I need a permit to re-roof in LA?
    Yes — LADBS requires a roofing permit for full replacement. We pull it, including Title 24 compliance documentation.
  4. Can you handle hillside or fire-zone roofs?
    Yes — we work Class A assemblies, ember-resistant venting, and metal flashing across LA's Very High Fire Hazard Severity Zones.
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