What should San Bruno homeowners know before replacing a roof?

What's the lay of the land in San Bruno?

San Bruno runs from the flats near the airport up into hills along Skyline Boulevard. Fog and wind pour through the gap in the coastal hills, so western neighborhoods are cooler and damper than the flats.

What surprises turn up on older San Bruno roofs?

Houses this age often hide surprises. California's code doesn't allow a new roof over two or more existing layers (CRC R908), so many jobs start with a full tear-off. On homes built before 1978, contractors who disturb painted trim or fascia must follow EPA's lead-safe rules (EPA RRP), and old roofing that tests positive for asbestos falls under Bay Area Air District notification rules (BAAQMD).

Do I need a permit to replace a roof in San Bruno?

Reroof permits for San Bruno addresses come from the San Bruno building department (City of San Bruno Building Division). In most cases the roofer applies in the company's name, books the inspections and lists the permit on the estimate.

How old are homes in San Bruno?

With a median build year of 1962, at typical shingle lifespans a house that age may be on its second or third roof. San Bruno has roughly 9,451 owner-occupied homes (62% of occupied units), and 58% of its homes are detached houses, according to the Census Bureau's 2024 5-year estimates (Census Reporter).

What is San Bruno's climate like for a roof?

The California Energy Commission puts San Bruno in climate zone 3, the cool coastal zone (CEC climate zones). NOAA's 1991-2020 normals for the San Francisco International Airport station show about 19.6 inches of precipitation a year, 61% of it in December, January and February. It rarely gets hot: about 4 days a year reach 90 degrees, so moisture, not heat, is what ages roofs. (NOAA normals)

Does San Bruno need a Class A roof?

Parts of San Bruno are Very High on CAL FIRE's 2025 recommended Local Responsibility Area map, based on our overlay of the map with Census boundaries. If your parcel is in that zone, a reroof covering more than half the roof must be Class A (HSC 13132.7); outside it, Class A is still worth choosing for insurance. Check your exact address on CAL FIRE's hazard map; boundaries can split a street.

What kinds of roofs are common in San Bruno?

Much of the city was built in the 1940s through the 1960s as tracts of single-story and split-level homes, many now on a second or third roof.

When is the best time to replace a roof in San Bruno?

In San Bruno, the dry season does most of the scheduling for you: summer rainfall at the San Francisco International Airport station totals roughly 0.18 inches across June, July and August (NOAA normals). If your roof is leaking now, a temporary repair can carry it to the dry months, but don't wait until the first fall storm to call.

How do I get a written estimate in San Bruno?

For your actual price, request a free written estimate: a licensed roofer measures the roof and prices your exact scope. Before you compare bids, read what drives roof replacement cost and our page on the Peninsula roofing contractors. Nearby town guides: Brisbane, South San Francisco, Pacifica, Millbrae.