Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Inspection Across San Martin
A roof inspection in San Martin typically costs $150 – $350 for a standard single-family home, and a written report with photos is available same day in most cases. If you own acreage with outbuildings, a detached shop, or an ADU, the scope expands and the price runs higher, usually $300 – $600, because we’re not just walking one roof, we’re checking every structure on the property. Call (361) 320-9467 to schedule your inspection. We answer with a live person, not a voicemail tree.
San Martin sits in a hot, dry inland valley where summer temperatures routinely exceed 95°F. That heat does specific things to roofing materials. Asphalt shingles blister and lose their sealant bond. Tile roofs expand and contract until flashing loosens. And because many San Martin properties are rural-residential lots outside city limits, a roof inspection here has to account for things a standard in-town inspection never touches: well and septic setbacks, outbuildings, open-lot grading, and drainage. Our technicians know what to look for on both the main house and every detached structure on the property.
We dispatch from the San Francisco Bay Area office and serve San Martin locally. When you call, a live person answers. When we schedule, we show up inside the promised window. Uniformed technician, background-checked, written price before any work starts. That’s the Garrison Standard, and it applies to every roof inspection we do in San Martin.
Why Brennan Roofing Is San Martin’s Preferred Roof Inspection Company
San Martin homeowners keep calling us back because we treat rural property seriously. A lot of inspection companies will walk the main house, glance at the shop, and hand you a one-page form. We don’t do that. On acreage off Llagas Road or around Foothill Avenue, we check every structure that has a roof: the house, the detached garage, the barn, the ADU over the well equipment. If it sheds water, we inspect it.
We were called out to a ranch-style home off Llagas Road where the owner’s detached shop had a persistent leak. Our tech found the problem wasn’t the architectural shingles but failed underlayment at the valley where the shop roof met the main house flashing. The intense summer heat had baked the old felt brittle, and fall winds had worked the flashing loose. We replaced the ice and water shield, reset the drip edge, and added a ridge vent to that section. The leak stopped and the shop’s interior stayed dry through the next rainy season. That’s the kind of inspection detail you get when the crew actually understands San Martin construction.
Every inspection comes with a written report and a written price for any repair work we recommend. No verbal estimates that mysteriously change. No tech who can’t explain what he found. Our reviews from San Martin customers consistently mention the same thing: we show up on time, we explain what we found in plain English, and we put every number on paper before we touch a roof. That’s not marketing language. That’s how we operate.
Led by Travis Oakley, the team behind Brennan Roofing operates under the Garrison Standard: written price before any work starts, background-checked uniformed technicians, and a 365-Day Done Right Promise on every repair and inspection we perform. If it’s not done right, we make it right, in writing, at no charge.
Roof Estimate in San Martin
A roof estimate in San Martin is the written number you get before any work begins, and it should always be based on a real inspection of your roof, not a satellite photo or a drive-by. On San Martin acreage, that estimate has to account for things a standard suburban lot never deals with: how many squares are on the main house, whether detached structures need work, what the open-lot drainage looks like, and whether the property is under Santa Clara County permitting rather than city jurisdiction.
That last point matters more than most homeowners realize. San Martin’s rural-residential lots often sit outside city limits, which means county permitting rules apply. Setbacks from wells and septic systems can affect where flashing runs, where gutters drain, and whether an outbuilding can be reroofed without triggering a site review. We scope all of that before we quote so the number on paper matches the job that actually gets done.
How We Build Your Estimate
We walk every roof on the property. Then we measure squares, check decking condition, and note whether the existing underlayment can stay or needs replacing. The estimate breaks out materials, labor, and any tear-off or disposal work. You get line items, not a mystery number.
What Changes the Price on Acreage
Detached buildings add squares. Long material hauls from the supply yard add logistics. If grading or drainage work is needed before roofing, that gets its own line. We quote it all upfront so there are no change orders at the door.
Free Roof Inspection in San Martin
A free roof inspection in San Martin comes with the same thoroughness as a paid one. We still walk every structure, still document findings with photos, and still give you a written report. The difference is the trigger: free inspections are typically paired with a roofing project estimate, so you get the full picture before you commit to any repair or replacement.
Homeowners near Pacheco Pass or up against the eastern foothills ask us about this most in late September and October, after the fall winds have had a few weeks to work on exposed slopes. Wind-lifted tiles and shingles often don’t show damage from the ground. From the roof, you can see the broken sealant bond clearly. That’s why we recommend scheduling a free inspection before the rainy season, not after the first storm finds the gap.
What the Inspection Covers
We check flashing at every penetration, valley, and transition. We check underlayment condition at the eaves and along drip edges. We look for granule loss, blistered shingles, and any sag in the decking. On properties with outbuildings, we extend the same checklist to every detached structure.
When You Should Schedule
Before you put a roof project out to bid. Before the rainy season. After any wind event that seemed stronger than usual. If you’re buying or selling a San Martin property, a documented roof inspection is worth its weight in negotiation.
Trusted Brands We Service in San Martin
Brennan Roofing installs and services material lines from GAF, CertainTeed, and Owens Corning, with options from IKO and others depending on the project. We stock common parts for San Martin jobs so a repair estimate doesn’t turn into a two-week wait for a special-order component. Whether you have architectural asphalt shingles, concrete tile, or a metal roof on an ag building, we match the material to the existing system and explain plainly what each option costs per square. No brand jargon, no upsell. We tell you what holds up under San Martin heat and wind, and what doesn’t.
Common Roof Inspection Problems We See in San Martin Homes
- Detached outbuildings with failed underlayment. The main house gets inspected every time. The shop, the barn, the ADU, not so much. By the time water shows up inside the garage, the underlayment at the valley or the flashing at the roof-to-wall transition has been failing for years.
- Open-lot drainage saturating fascia and sheathing. Heavy winter rains on graded acreage can pool against foundations or run down to the drip edge and sit there. The rot that follows looks like a roof leak but actually starts below the roof line. A proper San Martin inspection traces the water path, not just the stain.
- Wind-lifted tiles on exposed valley-facing slopes. Fall gusts break the sealant bond on tile and shingle roofs, especially on the eastern and southern exposures. From the ground it looks fine. From the roof you can lift the edge with two fingers. That’s the leak waiting for the first real storm.
- Baked, brittle underlayment from sustained 95°F+ summers. San Martin heat doesn’t just age the surface material. It cooks the felt or synthetic underlayment beneath it until the material cracks. When we pull a section back during an inspection, the difference between healthy and heat-damaged underlayment is often the entire finding.
Pricing for Roof Inspection in San Martin, CA
A standard single-family roof inspection in San Martin runs $150 – $350 depending on roof size, pitch, and accessibility. Add a detached garage or small outbuilding and expect $250 – $450. A full acreage inspection covering the house, multiple outbuildings, and an ADU typically lands between $300 and $600. Written reports with photos are included at every price point. If repair work follows the inspection, the inspection fee is credited toward the job in most cases.
What affects the price: roof pitch and height, number of structures, whether we need a ladder or a lift, and how much of the property’s drainage we need to assess. We give you the number before we climb, and it doesn’t move at the door. Call (361) 320-9467 for a free estimate on any inspection or repair scope. The price goes on paper before any work starts.
We Also Serve Cities Near San Martin
Our Roof Inspection team covers San Martin and the surrounding South County communities. We regularly serve Morgan Hill, Gilroy, Los Gatos, and Campbell, with the same written-price-before-work standard and the same live-person phone answer. If you’re in San Martin or just outside it, call (361) 320-9467 and we’ll get you scheduled.
Serving San Martin, CA - Our Local Coverage Area
We’re based in the San Martin 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 San Martin
We inspect every roofed structure on the property. That includes the main house, detached garages, shops, barns, and ADUs. San Martin acreage often has two or three additional roofs beyond the house, and those are the ones that get skipped by standard inspection companies. We include them in the scope and the written report. Call (361) 320-9467 to schedule a full-property inspection. Estimates are free.
Summer heat above 95°F accelerates shingle blistering, sealant bond failure, and underlayment brittleness. We look specifically for granule loss on south and west exposures, cracked felt at valleys, and any sign that thermal expansion has worked flashing loose. These findings directly inform our repair recommendations and the written estimate we give you. Call (361) 320-9467 if your roof has been through several hot summers without an inspection.
We check that roof drainage doesn’t direct water toward well caps, septic tank access, or leach field areas. On San Martin properties under Santa Clara County permitting, setbacks from these systems can affect where downspouts discharge and whether additional drainage work is required before reroofing. We note all of it in the inspection report so there are no surprises when the permit phase starts. Call (361) 320-9467 for an exact scope on your property.
Yes. Every estimate we write lists the measured number of squares, the material line, the tear-off and disposal cost if applicable, and the labor figure. You can compare our bid line by line against any other San Martin roofer’s. We want you to see exactly what you’re paying for. Call (361) 320-9467 and we’ll walk the measurements with you before we write the number.
Yes. Fall wind damage is one of the most common findings on San Martin inspections, especially on east and south facing slopes where gusts hit exposed tile and shingle edges. We check sealant bonds, lifted tiles, torn flashing, and any debris impact. If we find wind damage, we document it with photos for any insurance claim you may need to file. Call (361) 320-9467 to schedule a post-wind inspection before the rain arrives.
Call Brennan Roofing at (361) 320-9467 for a free roof inspection estimate in San Martin. A live person answers, the price goes on paper before any work starts, and every job is backed by the 365-Day Done Right Promise in writing.
Written by Travis Oakley, Owner at Brennan Roofing, serving San Martin under the Garrison Standard.






Before
After
Before
After
Before
After