Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
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AfterFast, Reliable Roof Inspection Across San Marcos
A roof inspection in San Marcos costs between $150 and $350 for most homes, and if the roof needs a deeper forensic look after a leak, that can run $400 – $600. We cover every neighborhood from San Elijo Hills to downtown. Call (361) 320-9467 to schedule yours. Travis Oakley leads our inspection crews across San Marcos, and he holds every one of them to the same standard: written findings, straight answers, zero pressure.
What makes a San Marcos inspection different comes down to the marine layer. Morning fog rolls in and burns off into real inland heat most days of the year. That daily swing stresses flashing, fasteners, and sealants in ways a coastal roof never feels. One of our Roof Inspection team members will document that stress point by point.
Why Brennan Roofing Is San Marcos’s Preferred Roof Inspection Company
San Marcos homeowners tend to ask the same first question: will the person on my roof be someone I can trust with the findings? Yes. Every technician who steps onto a San Marcos roof is background-checked, uniformed, and shows up inside the window we commit to. You know the name of the person on your roof before they climb the ladder.
The Garrison Standard is not a slogan. It is a written set of rules we follow on every inspection in San Marcos. The price goes on paper before work starts, and it does not move at the door. That matters when an inspection opens up something unexpected under the tile.
Our phones are answered by a live person around the clock. No voicemail, no callback queue, no automated menu. When a San Elijo Hills homeowner notices a ceiling stain at 7 p.m., someone picks up and schedules the inspection.
Travis Oakley has built our San Marcos reputation on one practice: we write down what we see, we explain it in plain English, and we do not invent work that is not there. That is the whole job.
Roof Inspection Companies in San Marcos
Roof inspection companies in San Marcos are not hard to find. Ones that inspect under the tile, inside the attic, and at the roof edge are harder to come by. A proper inspection covers the roof surface, the attic framing and wiring, the flashing at every penetration, the drip edge, and the underlayment beneath the visible material. Depending on what the home is wearing, that inspection runs $150 – $350 for most San Marcos homes.
Surface and underside inspection
We walk the roof and document every seam, valley, penetration, and edge. Then we go into the attic. That second step is where San Marcos inspections earn their keep. Concrete tile can look perfect from above while the underlayment below it has failed.
Penetration and flashing check
Pipe boots, vent stacks, skylights, and chimney flashings get the most thermal abuse in this climate. San Marcos mornings start cool and damp, afternoons run hot. Sealants open up. We look for exactly that pattern.
Call (361) 320-9467 and we will put a date on the calendar. The estimate is free, and the written report is yours to keep.
Commercial Roof Inspection in San Marcos
Commercial roof inspection in San Marcos follows a different rhythm than residential work. Business parks along Grand Avenue, retail near the 78, and industrial buildings off Twin Oaks Valley Road all need documentation for insurance, sale, or capital planning. A flat or low-slope commercial roof inspection in San Marcos runs $400 – $900 depending on square footage and access.
Documenting condition for investment decisions
When a building changes hands or a lender needs condition data, we produce a written report with photographs and a plain-English summary. You get the facts without having to decode a contractor’s shorthand.
Preventive inspection for occupied buildings
Most San Marcos commercial property owners prefer to know about a small split in a seam before it becomes water through a ceiling. We inspect on a schedule that fits the building’s age and membrane type.
Trusted Brands We Service in San Marcos
San Marcos roofs wear a lot of concrete tile, but we also work on GAF asphalt shingle systems, CertainTeed products, and Owens Corning lines across the city’s older neighborhoods. When an inspection finds a failed underlayment under concrete tile, knowing the exact material and age of that original installation helps us match the repair correctly. We source directly through manufacturer lines including GAF, CertainTeed, and Owens Corning, so there is no mystery part and no off-brand substitution. For San Marcos homeowners, that means the repair specified on the report is the repair that goes on the roof.
Common Roof Inspection Problems We See in San Marcos Homes
- Failed underlayment beneath intact concrete tile. Homes built in San Elijo Hills and similar planned communities from the 1990s and 2000s often show perfectly sound tile. The underlayment underneath has aged out. Leaks appear nowhere near a broken tile, and a surface-only inspection misses it entirely.
- Thermal cycling cracks at flashing and fasteners. The marine layer fog burns off into inland heat most afternoons. That daily expansion and contraction works on sealants and flashing until seams open. A roof can look tight in the morning and show lifted flashing by mid-afternoon.
- Undersized or damaged attic framing in older downtown homes. Smaller houses near downtown San Marcos often have framing and wiring that were never designed for modern roofing work. An inspection that never enters the attic misses conditions that will drive cost once the roof is opened.
- Wildfire ember vulnerability at vents and edges. The hills around San Marcos carry real ember threat during fire season. A roof that sheds water perfectly can still be exposed at unprotected vents or gaps at the drip edge. Our inspection checks fire-rated components, not just water-shedding.
Pricing for Roof Inspection in San Marcos, CA
A standard residential roof inspection in San Marcos runs $150 – $350. That includes the surface walk, the attic check, and the written report with photographs. If the inspection is forensic, meaning you have a leak and we are pulling tile or doing exploratory work to find the source, expect $400 – $600. Commercial inspections run $400 – $900 by square footage and roof type.
Three things move a San Marcos inspection price: roof size, slope and access, and whether we are opening anything up. The price goes on paper before work starts. That number does not change at the door.
Every inspection carries the 365-Day Done Right Promise. If a repair we specified fails within one full year, we come back at no charge. In writing. Call (361) 320-9467 for an exact quote on your roof. Estimates are free.
We Also Serve Cities Near San Marcos
Our Roof Inspection in San Marcos crews work the whole 78 corridor. We run inspections in Vista, Escondido, Carlsbad, and Encinitas every week. Same written pricing, same background-checked technicians, same 365-Day Done Right Promise on every job.
Serving San Marcos, CA - Our Local Coverage Area
We’re based in the San Marcos 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 Marcos
The underlayment beneath the tile has failed. Homes in San Elijo Hills built in the 1990s and 2000s are at the age where the original underlayment dries out, tears, and lets water through while the concrete tile above still looks fine. The fix starts with pulling tile at the leak and at the penetrations, replacing the underlayment with ice and water shield, and resetting the tile. Call (361) 320-9467 and we will find the actual source, not just the stain.
Thermal cycling. Coastal roofs in Encinitas or Carlsbad live in a narrower temperature band. San Marcos sits inland enough that the marine layer burns off and the roof heats up hard most afternoons. That daily expansion and contraction opens sealants and flashing joints that coastal roofs do not stress the same way. Our inspection specifically looks for that pattern.
We write it down and hand you a price before we touch it. When an inspection opens an attic and finds undersized framing or old wiring, we document it, photograph it, and give you a written line-item price for the additional work. Nothing proceeds without your written approval. The number on paper is the number you pay.
Yes. We inspect flat and low-slope commercial roofs across San Marcos, including buildings near Grand Avenue, the 78 corridor, and Twin Oaks Valley Road. Commercial inspections run $400 – $900 depending on square footage and roof type, and every one comes with a written report. Call (361) 320-9467 to schedule.
Concrete tile dominates in San Elijo Hills and the newer planned communities. Older downtown homes wear asphalt shingles from GAF, CertainTeed, and Owens Corning, plus the occasional flat or low-slope membrane. We know the age patterns and failure modes of each. That means the inspection report tells you what is actually failing, not just what is on the surface.
Call Brennan Roofing for Your San Marcos Inspection
We will send a background-checked, uniformed technician to your San Marcos home, put the price in writing before any work starts, and stand behind the findings for a full year. Travis Oakley and the rest of the Brennan Roofing team answer the phone live, 24/7. Call (361) 320-9467 now to schedule your free estimate.
Written by Travis Oakley, Owner at Brennan Roofing, serving San Marcos under The Garrison Standard.