Calls answered 24/7.
CA metro service · 5 counties · calls answered 24/7
Roof leak repair starts with the problem found and photographed, then the scope and price in writing before any work starts.
One call to (855) 512-1072 reaches Roofers Hotline for roof leak repair in San Francisco and 5 towns across Marin and San Mateo counties. Calls are answered 24 hours a day and every estimate is put in writing before work starts.
Older roofs are the norm here, where Census estimates put 77% of homes inside the city limits before 1980, and estimates cover repair and replacement.
Water often shows up far from where it enters, so the trace starts in the attic and follows the stain back to the roof. With 22.9 inches of precipitation a year at the nearest NOAA station, the path is usually rainwater. Call to have the source located and written into the estimate.
Flashing, pipe boots and valleys are the joints where older roofs fail first. In a city where 77% of homes were built before 1980, many of these parts have aged through several coverings. The estimate states whether each one is resealed or replaced. Call to book the visit.
Once water gets under the shingles, the underlayment holds it against the deck. The repair removes wet underlayment and cracked or lifted shingles in the leak area and replaces them. The April 2023 storm declaration, which included flooding, is a reminder of how much rain a roof can see. Ask for the written estimate.
Decking that has stayed damp softens, and soft decking cannot hold new shingles. With a median build year of 1945 here, older boards are common. The check finds rot before the new covering goes on, and any replacement appears in the written estimate. Call to schedule it.
Read how roof leak repair works for the work step by step, from the first call to the written estimate.
Roofers Hotline handles roof leak repair in San Francisco, and the storm record shows why a leak here is worth a call at the first drip. NOAA's storm records since 2015 list no hail of one inch or larger in the county, so the damage on local roofs comes from rain and wind rather than impact. FEMA's most recent declaration for the county, on April 3, 2023, was for severe winter storms, straight-line winds, flooding, landslides and mudslides.
A small leak left through another wet season spreads into insulation and decking. Call to book the visit and ask for a written estimate before any work starts.
The housing stock is the main reason leak repair goes differently here. By Census estimates for 2019 to 2023, the median home in San Francisco was built in 1945, and 77% of homes were built before 1980. Roofs on houses that old are often on a second or later covering, with older flashing and valleys that wear at the joints. The nearest NOAA station records 22.9 inches of precipitation a year and no freeze days, so water, not frost, is the cause to look for. Expect the visit to trace the entry point and the written estimate to name each repair. Call to schedule it.
Across this metro's 168 ZIP codes, San Francisco roof inspection is explained visit by visit.
Sources: U.S. Census ACS 2019 to 2023; NCEI 1991 to 2020 normals. Updated October 2026.
A drip or stain that appears during or after rain is the clearest sign, and in a city where rain is the main weather threat it usually means a failed seal at flashing or a valley. A musty attic, damp insulation or peeling paint below the roofline points to water that has been getting in for a while. Ice dams are listed as a sign elsewhere, but the ice dam risk here is Low, so look to rain first. Photograph the stain from the ground and do not climb onto the roof. Then call.
Costs
| Job | Range | Per unit |
|---|---|---|
| Roof leak repair | $400–$1,700 | per job |
| Flashing repair (chimney, wall, vent) | $200–$600 | per job |
| Roof repair, minor (a few shingles, a boot, sealant) | $100–$1,600 | per job |
| Roof repair, moderate (a section, valley or underlayment) | $1,000–$3,100 | per job |
Full roof cost breakdown for this metro.
Typical range for this metro, built from published ranges and the local labor index (1.06); a written estimate depends on pitch, layers and decking.
Not a quote: typical 2026 ranges from published cost guides and Census County Business Patterns 2022 payroll data; your written estimate depends on pitch, layers and decking.
Source: published 2026 cost guides (Fixr, Bob Vila, Today's Homeowner) and Census County Business Patterns 2022 roofing-contractor payroll.
Through the same number, homeowners also book what roof replacement includes, with a photographed inspection ahead of the estimate.
Why call
Book before the wet months, and again right after any storm that brings heavy rain or wind. NOAA's storm records show hail peaking in March in the nearby reports, and the April 2023 federal declaration included winter storms and flooding, so late winter and spring put the most stress on a roof. The nearest NOAA station logs no freeze days, which means repairs can be done through most of the year. The visit covers the attic and roof surface, a written estimate, and the repair itself. Call to book it.
The same service is booked in other towns too; see what shapes roofs in Sausalito, 7 miles away.
California licensing: California requires roofing contractors to hold a CSLB license, usually the C-39 Roofing classification. Look up any license at CSLB.
Questions
A stain that returns after each rain, damp insulation or a musty attic means water is getting in and the repair should not wait. Houses here are old, with a median build year of 1945, so hidden wear is common. Photograph the stain from the ground, stay off the roof and call to book an inspection.
Rarely. NOAA's storm records since 2015 show no hail of one inch or larger in the county, and the largest hail on record was 0.5 inches. Leaks here usually come from rain and wind working at flashing, valleys and worn shingles. Call for an inspection to find the actual entry point.
California requires roofing contractors to hold a CSLB license, usually the C-39 Roofing classification. Look up any license at CSLB before work begins. When you call Roofers Hotline for roof leak repair here, ask for the written estimate and compare it against that record.
Homeowners across the metro also ask How long does a roof last?
Our guide to hail and storm damage claims goes deeper, from the same county storm and housing records. See also our local guide to the roof problems seen most here, written from the same county storm and housing records.
Takes about a minute. Tell us the ZIP code and what the roof is doing, and a local roofer calls you back to book an inspection and written estimate.
Start your requestOr call: the number at the top of this page is answered 24/7.