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Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Inspection Across Daly City
Roof inspection in Daly City costs between $150 and $450 for a standard single-family home, with most homeowners paying around $250. The inspection itself takes 60 to 90 minutes, and we hand you a written report the same day. If you live in Westlake, St. Francis Heights, or the hills above John Daly Boulevard, call (831) 318-8819 and we’ll get you on the schedule this week.
Daly City is not an inland market. The marine layer sits on your roof for months at a time, and salt air works on metal flashing year-round. An inspection here has to look at what the fog is doing underneath the shingles, not just what the shingles look like from the street. That’s the difference between catching a $400 repair now and a full tear-off in two years.
Why Brennan Roofing Co San Francisco Is Daly City’s Preferred Roof Inspection Company
We operate under The Garrison Standard, and that means one thing for a Daly City homeowner: the price goes on paper before any work starts, and it does not move at the door. Every technician who steps onto your roof is background-checked and in uniform. You know exactly who is up there, and you know what the inspection will cost before we open the ladder.
Travis Oakley runs our inspection crews, and he’s the one who reviews every report before it reaches your inbox. We don’t hand you a generic checklist. We hand you a roof-specific document that tells you what’s failing, what’s close to failing, and what you can hold off on for another season. That’s how The Garrison Code works: no surprises, no pressure, just the condition of your roof in plain language.
Our phones are answered by a live person around the clock. You call, a person picks up. No voicemail, no callback queue. When you’re dealing with water coming through a soffit on a foggy Daly City morning, that matters.
This page focuses on Roof Inspection work across our service area, including the specific conditions we see in Daly City homes built from the 1940s through the 1970s.
Styles & brands we work with
Roof Inspection Companies in Daly City
Roof Inspection Companies in Daly City all claim to look at your roof, but what they check matters more than how many photos they take. A proper inspection here means checking the decking under the shingles for fog-driven rot, probing the flashing at roof-to-wall transitions for rust, and examining the starter strip along the eaves on hillside homes where salt spray corrodes fasteners. Most Daly City homes are 50 to 80 years old with shallow-pitched composition shingle roofs, and those roofs hide their problems under the surface.
A residential inspection in Daly City runs $150 to $450 depending on roof size, slope, and whether you need drone footage for a steep hillside section. That price includes the full written report and our plain-language walkthrough of what we found. You get the report the same day, not three days later.
What Gets Checked on a Daly City Home
We inspect the shingle surface for granule loss and lifting, then we go deeper. We probe the decking at the eaves and in the valleys where fog moisture collects. We check every flashing penetration: chimneys, vents, skylights, and especially the roof-to-wall transitions where steel flashing rusts under moss that most inspectors never clear away. On Daly City homes, the north-facing slope is always the worst, and we document it separately.
When You Should Schedule One
Schedule an inspection after any winter with heavy storms, before you list a home for sale in St. Francis Heights or Westlake, or when you notice moss spreading on the north side. Buyers in Daly City increasingly want an inspection report in hand before escrow closes, and having one done before you list gives you leverage instead of a surprise repair demand.
Commercial Roof Inspection in Daly City
Commercial Roof Inspection in Daly City covers low-slope built-up roofs, modified bitumen systems, and the occasional single-ply membrane on retail and medical office buildings along Mission Street and Junipero Serra Boulevard. These roofs fail differently than residential ones. Ponding water on a flat commercial roof sat under fog for weeks at a time, and that accelerates membrane breakdown at the seams. We inspect those seams with moisture meters, not just visually.
A commercial inspection in Daly City typically runs $400 to $900 depending on square footage and roof access. You get the same written report, the same day, with photos and a prioritized repair list. For property managers and owners, that means a document you can hand to your budget committee without translation.
Flat Roof Moisture Mapping
Fog and high humidity mean a flat roof in Daly City can hold trapped moisture for months without a visible leak inside. We run a moisture scan across the membrane to find the wet insulation underneath. Catching that before the membrane fails saves you a full re-cover down the road. The report shows you exactly where the wet spots are, in square feet, so you can make a repair decision instead of a guess.
What a Commercial Report Includes
Every commercial report includes the condition of the membrane, the flashings, the drains and scuppers, and the penetrations. We flag any rusted metal and any areas where the membrane has pulled away from the parapet wall. If the roof needs maintenance instead of replacement, we say so. We don’t push a re-roof when a repair plus a maintenance plan gets you another five years.
Trusted Brands We Service in Daly City
We inspect and work on roofs from Owens Corning, IKO, and Atlas, among other manufacturers. When you need specific parts matched to an existing roof, we source them fast. Daly City homes built in the 1950s and 1960s often have discontinued shingle profiles, so matching a repair to the existing roof takes someone who knows the older product lines, not just what’s on the shelf this week. We keep relationships with regional suppliers who stock older profile material, and we’ll tell you plainly if an exact match isn’t possible before you spend money.
See the difference
Before
After
Before
After
Before
AfterCommon Roof Inspection Problems We See in Daly City Homes
- Spongy decking under composition shingles. In Westlake, the original 1950s cedar shake underlayment turns soft after decades of fog exposure. The shingles on top look fine, but the decking beneath is rotting. We probe the eaves and valleys to find this before it turns into a tear-off emergency.
- Rusted steel flashing at roof-to-wall transitions. The fog hides rust under moss, and the next winter storm blows water into the soffit. We scrape back the moss and inspect the metal underneath. Most inspectors skip this step and miss the failure waiting to happen.
- Lifted starter strips on hillside homes. Wind-driven salt spray corrodes the fasteners along the eaves on steep lots. The first shingle course lifts, and water gets under the roof edge. We check starter strip nailing on every hillside inspection.
- Moss and algae on north-facing slopes. The marine layer keeps the north side of Daly City roofs damp for months. Moss roots work under shingles and lift them. We document the extent and give you a realistic removal and prevention plan, not a scare tactic.
Pricing for Roof Inspection in Daly City, CA
Residential inspections run $150 to $450. The factors that move the price: roof square footage, roof pitch (steep hillside lots cost more to access safely), number of stories, and whether we need drone imaging for sections we can’t safely walk. A typical two-story Westlake home with a composition roof lands around $250 to $300. Commercial inspections run $400 to $900 depending on size and access. Every inspection includes the written report, photos, and our recommendation in plain English. Call (831) 318-8819 for a firm price before we come out. The estimate is free, and the price we quote is the price you pay.
We Also Serve Cities Near Daly City
Our inspection crews cover Daly City and the surrounding area. We work regularly in San Bruno, San Francisco, Burlingame, and Berkeley. If you own property in more than one of these cities, let us know. We can inspect both roofs in one day and give you one consolidated report so you can compare conditions side by side. Call (831) 318-8819 to schedule.
Serving Daly City, CA - Our Local Coverage Area
We’re based in the Daly City 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 Daly City
Because fog-driven moisture rots the decking underneath the shingles, especially on older homes with original cedar shake underlayment. The shingles can look fine from above while the wood below is spongy and failing. We probe the eaves, valleys, and any soft spots to find rot that a surface-only inspection would miss. Call (831) 318-8819 to schedule an inspection that actually checks the whole roof system.
It rusts it, sometimes within ten years. The persistent moisture in the marine layer sits on steel flashing at chimneys, walls, and valleys, and the salt air accelerates the corrosion. Moss grows over the rust and hides it. We clear the moss back and inspect the metal directly. If the flashing is failing, we recommend replacing it before winter storms push water into your soffit and walls.
Often yes, because the original cedar shake underlayment has to come off, and that tear-off produces more debris and labor than a straightforward composition roof removal. We saw this on a 1959 Westlake home off Southgate Avenue. The original cedar shake underlayment had gone spongy beneath a two-year-old composition roof, and probing the decking at the eaves found rot spreading under the drip edge. We recommended tearing off both layers and replacing the first two rows of plywood with marine-grade before laying new ice and water shield. That’s more work than a simple overlay, but it’s the only fix that lasts in this fog.
The marine layer keeps your roof damp for months at a time, especially the north-facing slope. Moss roots grow into the shingle overlaps and lift them, creating gaps where water gets underneath. This is a bigger problem in Daly City than in inland Bay Area cities because the dampness never really dries out. We document the moss extent, recommend removal if it’s threatening the roof, and suggest prevention steps like zinc strips where appropriate.
Yes. Hillside homes on steep grades have extra failure points that flat-lot inspections don’t cover. The starter strip along the eaves takes the brunt of wind-driven salt spray, and the fasteners corrode faster than anywhere else on the roof. We also check the drainage path down steep slopes, because water moving fast off a hillside roof finds any gap at the edge. If we can’t safely walk a steep section, we use drone imaging to document it. Call (831) 318-8819 for a hillside-specific inspection quote.
Written by Travis Oakley, Owner at Brennan Roofing Co San Francisco, serving Daly City and the surrounding Bay Area.