Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Roofers in Half Moon Bay, CA
Roofing work in Half Moon Bay, CA follows a different set of rules than what works over the hill. The marine layer keeps roofs damp for months at a time, salt rides in on every breeze off the Pacific, and winter storms push rain sideways into flashings that inland homes never have to worry about. Most houses here are mid-century ranch homes, coastal custom builds, or older wood-shake roofs that are already on their second or third replacement. If you need a roofer who knows the difference between a Half Moon Bay leak and a generic one, call Brennan Roofing at (361) 320-9467.
Why Half Moon Bay Homes Are Different
Half Moon Bay sits in a cool marine fog belt with high year-round humidity and salt air blowing in off the Pacific. That means roofs here fail differently than they do in Redwood City or San Jose. Instead of cracked shingles from heat and UV, homeowners deal with corroded galvanized nails, rusted flashing, and moss that takes hold on north-facing slopes and never gets cooked off. The fog drip keeps roof decks damp, and when atmospheric-river storms arrive in winter, wind-driven rain finds every penetration: chimney flashing, vent collars, skylight curbs, and valleys.
Housing stock varies a lot from one block to the next. In tracts like Alsace Lorraine and parts of the east side, single-story ranch homes from the 1950s and 1960s dominate, many with low-pitch roofs that hold water longer than steeper coastal custom homes. On the coastal bluffs and hillsides west of Highway 1, you’ll find contemporary builds with complex rooflines, standing-seam metal, skylights, and dormers – beautiful houses that demand careful detailing at every transition. Those west-side roofs are typically on their second or third re-roof because the salt exposure simply eats roofing materials faster than inland climates do.
One more local reality: permits. Half Moon Bay sits in San Mateo County, and re-roofing work in the coastal zone often triggers additional review. A roofer who knows which jobs need coastal-zone sign-off and which don’t can save homeowners weeks. That local knowledge matters as much as knowing how to flash a chimney against a southerly blow.
Our Main Half Moon Bay Services
Most Half Moon Bay homeowners call us for one of three things: a full roof replacement, a targeted repair, or an inspection before buying or after a storm. Each has its own page with pricing, timelines, and local specifics.
Roofing Company in Half Moon Bay
Full roof replacement in Half Moon Bay usually means tearing off old composition shingle or wood shake, repairing any rotted decking, laying new underlayment, and installing a roofing system that can handle salt air and sideways rain. Coastal-side homes benefit from stainless or copper fasteners and extra membrane at the eaves – details inland roofers often skip because they were never forced to learn them. We install GAF, CertainTeed, and Owens Corning materials, with the same written price and the same 365-Day Done Right Promise on every job. See the full breakdown on our Roofing Company in Half Moon Bay page.

Roof Repair in Half Moon Bay
Repairs here usually trace back to one of three culprits: corroded flashing at chimneys or vents, missing shingles from storm winds, or slow leaks at valleys where debris collects and holds moisture. On ocean-facing homes, the fix often means replacing galvanized flashing with stainless or copper, not just caulking the gap and hoping. We write the price before we start, and if the repair fails within a year, we come back free. Details are on our Roof Repair in Half Moon Bay page.

Roof Inspection in Half Moon Bay
In a salt-fog climate, small problems become big ones faster than homeowners expect. An inspection documents the current condition of shingles, flashing, decking, and underlayment, then tells you what needs work now and what can wait a year. That’s useful before buying a coastal home, after winter storms, or when you’re trying to plan a re-roof budget. Every inspection includes a written report and honest pricing if repairs are needed. More on Roof Inspection in Half Moon Bay.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Half Moon Bay
We install and repair GAF, CertainTeed, Owens Corning, and Atlas roofing systems, and we typically stock matching parts locally within a week. Coastal-rated materials make a real difference here; we’ll explain which ones earn their cost and which don’t. See our brands for the full line.
Pricing for Roofers in Half Moon Bay, CA
| Service | Typical range in Half Moon Bay |
|---|---|
| Full roof replacement (composition shingle) | $12,000 – $28,000 |
| Full roof replacement (standing-seam metal) | $28,000 – $55,000 |
| Roof repair (minor, flashing or shingle) | $450 – $1,200 |
| Roof repair (valley or penetration leak) | $800 – $2,500 |
| Decking repair (per sheet, including labor) | $180 – $360 |
| Skylight flashing replacement | $600 – $1,500 |
| Chimney flashing replacement | $800 – $2,000 |
| Roof inspection | $200 – $500 |
| Gutter replacement (per linear foot) | $18 – $35 |
| Ridge vent installation | $700 – $1,500 |
| Underlayment replacement (partial, per square) | $150 – $300 |
| Moss treatment and debris clearing | $300 – $700 |
Prices in Half Moon Bay run higher on the coastal side than the east side because corrosion-resistant fasteners, stainless flashing, and extra ice-and-water membrane at eaves all add material cost. Whatever the number, it goes on paper before any work starts, and it does not move at the door – that’s how every Brennan Roofing job works.
Neighborhoods We Serve in Half Moon Bay
We work across Half Moon Bay and the surrounding coast. Our crews are regularly in these areas:
- Alsace Lorraine
- Ocean Colony
- Granada (east Half Moon Bay side)
- Miramar
- Frenchmans Creek
Most jobs in Half Moon Bay can be scheduled within one to two weeks; inspections often happen sooner.
Service Area – Cities Near Half Moon Bay
While this page covers Half Moon Bay, we also serve the surrounding Coastside and Peninsula communities. You can find dedicated information for El Granada, CA, Burlingame, CA, Millbrae, CA, and Belmont, CA on their local service pages.
Serving Half Moon Bay, CA - Our Local Coverage Area
We’re based in the Half Moon Bay 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 Roofers in Half Moon Bay
Yes, roof replacement in Half Moon Bay requires a building permit through the city or county, and homes in the coastal zone may need additional review. We handle the permit paperwork as part of the job. Call (361) 320-9467 and we’ll tell you what your specific property needs.
During winter storms, our schedule fills quickly, but we prioritize active leaks. In most cases, we can get a technician out within a few days, and we’ll tell you honestly if a tarp makes sense while you wait. The exact timeline depends on the week – call (361) 320-9467 for a straight answer.
Yes, we work throughout Half Moon Bay, from the flats east of Highway 1 out to the bluff-top homes west of it. We also cover El Granada, Moss Beach, and the surrounding Coastside. Same written price, same 365-Day Done Right Promise, wherever the job is.
What happens when you call
- 1A real person answersNo phone trees - talk to a local roofing pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Half Moon Bay Customers Say
"Ridge vent added and the attic is cooler. Fair price compared to the other two quotes."
- Vernon C."Neat, quiet, and disciplined crew. Magnet swept the yard after."
- Tonya R."Replaced the underlayment and drip edge as well as shingles. Many roofers skip that. Everything was explained in writing."
- Barry F.






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