Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Inspection Across South San Francisco
A roof inspection in South San Francisco typically costs $195 – $425 for a single-family home, with more complex commercial flat roofs running $450 – $900 depending on square footage and access. We schedule most residential inspections within 3 – 5 business days, and our crews know exactly what to look for on the fog-belt slopes of Old Town and the tract homes of Sunshine Gardens. Call (361) 320-9467 to get a written quote before any work starts.
South San Francisco isn’t like Daly City or San Bruno when it comes to roofing. The marine layer sits over the west-facing neighborhoods for much of the year, keeping shingle slopes damp while the east side bakes dry. That asymmetry hides real problems. Our Roof Inspection team probes the decking on every job, because we’ve seen too many roofs that looked fine from the curb but had dry rot three feet in from the eave.
Travis Oakley runs our crews to The Garrison Standard: written pricing, background-checked uniformed technicians, and a 365-Day Done Right Promise on every inspection report we issue. We serve all of South San Francisco from the Bay Area office, with local crews who know the difference between a marine-layer moss problem and a flashing failure.
Why Brennan Roofing Is South San Francisco’s Preferred Roof Inspection Company
We built our reputation in this city the hard way: by writing prices down before work starts and standing behind every finding for a full year. Homeowners along El Camino Real and up in Terrabay have seen enough no-show contractors to know the difference. Our technicians arrive in uniform, inside the promised window, and they don’t upsell at the door.
The Garrison Standard applies to every inspection we perform in South San Francisco. That means a written report with photos, a line-item price for any recommended repairs, and no work begun until you’ve signed off. If we find a problem that warrants repair within 365 days of a Brennan inspection, we return at no charge. That guarantee is in writing, not a handshake.
We answer the phone with a live person around the clock. When a homeowner in Old Town calls at 7 a.m. about a damp spot on the ceiling, they get a human, not a voicemail tree. Our dispatchers coordinate South San Francisco jobs from the Bay Area office, and they know the neighborhoods, the parking constraints, and which crews are already working nearby.
Roof Inspection Services in South San Francisco
Roof Inspection Services in South San Francisco start with a full walk of the roof surface, flashings, valleys, and penetration points, followed by an attic check for moisture staining and decking rot. For a standard single-family home in South San Francisco, expect to pay $195 – $425. Larger multi-story homes in Terrabay or properties with steep pitches run higher. Every inspection ends with a written report and a line-item quote for any needed work.
Visual and Physical Assessment
We look for cracked shingles, granule loss, nail pops, and rusted flashing. But on the west-facing slopes of Old Town and Sunshine Gardens, visual checks aren’t enough. Moss holds moisture against the shingle surface for months at a time, and the underlying decking rots silently. Our inspectors carry probes and moisture meters on every South San Francisco job.

Attic and Decking Inspection
We go into the attic when access allows. Dark staining on the underside of the sheathing, rust on fastener heads, or soft spots you can press with a tool all tell a story about how long water has been getting in. In older South San Francisco homes with original wood shakes, these signs often appear years before a visible leak shows up on the ceiling.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Hail Damage Roof in South San Francisco
Hail Damage Roof inspections in South San Francisco are less about the dramatic Midwest-style storms and more about the cumulative effect of small hail events mixed with salt air. A typical hail inspection runs $195 – $350 for a single-family home. Hail bruises on shingles, cracked granules, and dented metal flashing are what we document for insurance claims. If we find hail damage, you’ll get photo documentation and a written repair estimate the same day.
Insurance Claim Support
We don’t negotiate with insurance companies on your behalf, but we do give you a clean, defensible report with photos, measurements, and material specifications. Homeowners in South San Francisco who’ve dealt with storm claims know that documentation is everything. Our reports are written to hold up under adjuster review.
Post-Event Structural Check
After any significant hail or wind event, we recommend checking the flashings around chimneys, skylights, and pipe boots. Hail rarely punctures a roof outright here; it weakens the materials that already have years of salt-air exposure. Our post-event inspection catches the damage before the next winter rain turns it into a leak.
Trusted Brands We Service in South San Francisco
We install and inspect roofs built with GAF, Atlas, and Tamko materials, among others. For South San Francisco homeowners, that means we know the specific failure patterns of each product line in our climate: how Atlas shingles handle moss pressure on shaded slopes, how Tamko underlayment performs in persistent damp, and how GAF Timberline architectural shingles hold up to salt air along the west side. We keep common replacement parts stocked near the Bay Area office, so repairs in Old Town or Sunshine Gardens don’t wait on a two-week special order. When we recommend a repair, we tell you exactly which material we’re specifying and why it fits your roof’s orientation and exposure.
Common Roof Inspection Problems We See in South San Francisco Homes
- Moss-covered west slopes hiding dry rot. The marine layer keeps west-facing shingles damp enough for moss to root, and the rot beneath is invisible until you probe the decking. We’ve found entire rafter tails gone in Old Town bungalows where the shingles looked fine from the street.
- Failed party-wall flashing on tract homes. Sunshine Gardens and Avalon tract homes were built with shared walls and original wood shakes. The flashing where one roof plane meets the neighbor’s wall fails quietly, and by the time water shows up on a bedroom ceiling, the sheathing is already compromised.
- Corroded fasteners from salt air. The Pacific carries salt inland on the fog, and zinc-plated fasteners on older roofs rust out over two or three decades. We see this constantly within a mile of the bay, especially on roofs that replaced original shakes in the 1980s and 1990s.
- Flat-roof membrane issues on the east side. The biotech and industrial buildings along the 101 corridor have membrane roofs that take constant temperature swings from rooftop equipment. Blistering, seam separation, and ponding water are the three things we check first on a commercial inspection.
Pricing for Roof Inspection in South San Francisco, CA
A residential roof inspection in South San Francisco runs $195 – $425 for most single-family homes. If you have a two-story home with steep pitches, add $50 – $100 for the extra ladder work and safety setup. Commercial flat roofs near the biotech campuses start at $450 and go up with square footage and the number of rooftop units we need to inspect around. Parking and access matter: a tight Old Town lot with alley staging or a Terrabay townhome with HOA restrictions adds time, and time is the main variable in pricing. You’ll get a written quote before we schedule, and that number does not move at the door. Call (361) 320-9467 for a free estimate on any South San Francisco property.
We Also Serve Cities Near South San Francisco
Brennan Roofing performs Roof Inspection work in Brisbane, Daly City, San Bruno, and Millbrae, with the same written pricing and 365-Day Done Right Promise on every job. If you’re just over the city line, our South San Francisco crews can usually schedule you within the same week.
Serving South San Francisco, CA - Our Local Coverage Area
We’re based in the South San Francisco 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 Roof Inspection in South San Francisco
Because the mild climate masks deterioration. The marine layer keeps the west slope damp enough to rot decking slowly while the east side dries in the sun, so a visual check from the street tells you nothing. The hidden dry rot and failed flashings only show up when a heavy winter storm forces water through the compromised areas. In our experience, Old Town bungalows that haven’t been probed in two decades are the most likely to fail this way. Call (361) 320-9467 and we’ll inspect the decking and flashings properly, not just the shingle surface.
It adds time, and time is the main cost variable. A tight Old Town lot with no driveway means our crew stages ladders from the street and carries tools further. An alley-access house in Sunshine Gardens with a shared wall means we coordinate with neighbors and set up on a narrow side path. A Terrabay townhome may require HOA notification and specific entry points. We price each South San Francisco inspection based on the actual access conditions, and you’ll see that written number before we schedule.
Ask if the price is written before work starts, whether the inspector probes the decking rather than just walking the roof, and whether the report includes photos and a line-item repair quote. Also ask what the guarantee covers and for how long. The Garrison Standard means our answers to all three are yes, yes, and one full year in writing, with a free return visit if a repair we flagged fails within that period. Call (361) 320-9467 for a quote that answers those questions before you commit.
Yes, when the wall is shared. On Sunshine Gardens tract homes with party walls, we notify the adjacent owner before our crew accesses or works on any shared flashing or wall cap. It’s a courtesy and a liability matter. We handle that coordination for you, and we factor the scheduling into the written estimate. If your South San Francisco home has a shared wall, mention it when you call and we’ll include neighbor notice in the plan.
Yes. We inspect membrane roofs on the east side of South San Francisco, including buildings along the 101 corridor. Commercial inspections run $450 – $900 depending on square footage, the number of rooftop HVAC units and penetrations, and the membrane type. We check seam integrity, blistering, ponding, and equipment flashings, then provide a written report with repair priorities. Call (361) 320-9467 to schedule a commercial flat-roof inspection.
Written by Travis Oakley, owner at Brennan Roofing, serving South San Francisco with written pricing and the 365-Day Done Right Promise.






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