
Roof Installation & Repair
New builds, full replacements and targeted repairs — tile, shingle, metal and flat systems.
GGH Roofing & Waterproofing is an East Bay contractor specializing in residential and commercial roofing, waterproofing systems, and gutter installation. Since 2011, we've combined hands-on craftsmanship with modern materials to deliver roofs built to handle Bay Area weather — from coastal moisture in El Cerrito to inland storms in Danville. Licensed, bonded, and fully insured under California Contractor License #1129977.
Our storyTo protect every home and business under our care with honest workmanship, transparent pricing, and the kind of attention to detail that earns referrals — not just contracts.
To be the most trusted name in roofing and waterproofing across the East Bay — the partner property owners call once and never have to worry about again.

New builds, full replacements and targeted repairs — tile, shingle, metal and flat systems.

Foundation, basement, deck, concrete and roof waterproofing with industry-leading membranes.

Seamless gutter installation, custom downspouts, leaf guards and maintenance plans.

End-to-end tear-off and re-roofing handled in a single continuous job.

Projects of all sizes, same standard of care — residential homes to commercial buildings.

Proper disposal, full site cleanup and magnetic nail sweeps on every job.
01 — Danville · Gutter installation
02 — Danville · Gutter installation
03 — Danville · Gutter installation
04 — El Cerrito · Silica treatment
05 — San Francisco · Gutter installationA process refined over 850+ projects — clear, documented, and on time.
"They spotted a hidden leak two other companies missed. Roof has been bone dry through three winters."
"Crew showed up on day one with a schedule, and they hit every milestone. Cleanest job site I've seen."
"Quoted honestly, delivered faster than promised. We use GGH for all three of our properties now."
Didn't see yours? Reach us directly — we reply within a business day.
Yes. On-site consultations and estimates are always free, with no obligation. We'll walk your property, take measurements, and give you a detailed quote within 48 hours.
Most residential replacements take 2–4 days depending on size, weather and material. Commercial projects run 1–3 weeks. We give you a firm timeline in your estimate.
All new installations come with a 10-year workmanship warranty from GGH, plus the manufacturer's material warranty (up to 50 years depending on product).
Yes — we work directly with most major insurers for storm damage and emergency claims, providing detailed documentation and photo reports.
Fully. California Contractor License #1129977, bonded and carrying general liability + workers' compensation insurance.
The greater East Bay — El Cerrito, Berkeley, Oakland, Richmond, Albany, and surrounding communities. Emergency response within 24 hours.