Brennan Roofing roofing team

Roofers in San Marcos - Written Price, Workmanship Warranty

Free roof inspection with photos, then an itemized written price before anything is ordered. Installed by our own licensed crews and backed by a workmanship warranty.

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Free roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation

Your new roof for as low as $159/month*on approved credit; ask for current terms
Styles & brands we work with

Architectural shingles
Architectural shingles
Metal roofing
Metal roofing
Tile roofing
Tile roofing
GAF
GAF
Owens Corning
Owens Corning
Flat & low-slope
Flat & low-slope

Before & after – our own jobs

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Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Roofers in San Marcos, CA

Roofers in San Marcos, CA work on homes that face a specific set of conditions: marine-layer fog in the morning, hot inland sun by afternoon, and hillside wildfire exposure. That combination means thermal cycling and ember risk shape nearly every roofing decision here. The city’s housing stock runs from 1980s and 1990s tract homes to smaller older builds near downtown, and many original concrete tile roofs are now failing at the underlayment rather than the tiles themselves. At Brennan Roofing, every San Marcos job starts with a written price before any work begins, and every crew member who climbs onto your roof is background-checked and in uniform. Call (361) 320-9467 for a free estimate.

Call (361) 320-9467

Why San Marcos Homes Are Different

San Marcos sits far enough inland that summer days run noticeably hotter than the coast, which accelerates UV breakdown on shingles, underlayment, and flashing. Morning fog from the marine layer leaves roofs damp, then the sun burns through and dries them fast. Roofs here expand and contract daily, and over 20 or 30 years that cycle loosens fasteners and cracks sealant around vents and penetrations. Add wildfire ember risk from the hills around San Elijo Hills and Discovery Valley, and a San Marcos roof has to do two jobs at once: shed heat and resist fire. That dual requirement is uncommon in coastal cities like Carlsbad or desert towns further east, and it changes how we spec materials and underlayment.

The housing stock makes it concrete. San Elijo Hills and other planned communities built in the 1990s and 2000s are full of concrete tile roofs now hitting the end of their original underlayment. The tiles themselves often look fine, but the felt or synthetic layer beneath them has broken down, and water gets through in ways homeowners blame on cracked tile. Older homes near downtown and Richmar tend to be smaller, with composition shingle or lightweight tile and less attic ventilation than modern code requires. Both types of home need a roofer who understands San Marcos specifically, not someone running a generic coastal playbook.

Our Main San Marcos Services

San Marcos homeowners call us most about two things: full roofing replacement or installation, and repairs that trace back to underlayment failure or storm damage. A roof inspection usually comes first, and it catches problems before they turn into ceiling stains.

Roofing Company in San Marcos

For full roof replacement or new construction, Roofing Company in San Marcos work means tearing off what’s there, assessing decking, and rebuilding the roof to handle San Marcos heat and ember exposure. In neighborhoods like San Elijo Hills, we regularly replace concrete tile roofs where the tile is still serviceable but the underlayment underneath has failed. Homeowners are often surprised the tiles can be lifted, the old felt replaced, and the same tile reinstalled, which costs less than a full new roof. Every job gets a written price before any work starts, and every installation carries the 365-Day Done Right Promise in writing.

Roofing Company in San Marcos

Roof Repair in San Marcos

Repairs in San Marcos often trace back to the daily thermal cycle. Flashing pulls away from chimneys and skylights, sealant cracks around vents, and underlayment under concrete tile degrades faster than homeowners expect. Roof Repair in San Marcos work starts with a proper diagnosis: we don’t caulk over a leak and call it done. For concrete tile homes, that means checking what’s under the tile, not just what’s visible from the street. Written pricing applies to repairs the same as replacements, and if the repair fails within a year, we return at no charge.

Roof Repair in San Marcos

Roof Inspection in San Marcos

An Roof Inspection in San Marcos is what catches failing underlayment before it becomes a ceiling stain. We walk the roof, check flashing, valleys, and penetrations, and document what we find in plain English. For homes in wildfire-prone zones near the hills, we also check that vents and openings are properly screened against embers. A written report tells you what’s urgent, what can wait, and what a repair would cost, all on paper before you commit to anything.

Roof Inspection in San Marcos
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What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Brands We Service in San Marcos

We install and repair materials from GAF, CertainTeed, and Owens Corning, among others, and we stock common parts locally so San Marcos repairs don’t wait on long supply chains. Our brands page explains the options in plain language, including which materials hold up best under inland heat and ember exposure. If you want Atlas or Tamko specifically, we’ll source it and write the same fixed price before any work begins.

Pricing for Roofers in San Marcos, CA

Service Typical range in San Marcos
Minor roof repair (flashing, small leak) $300 – $700
Moderate repair (multiple leaks, vent boot replacement) $700 – $1,500
Major repair (underlayment section, valley rebuild) $1,500 – $3,500
Roof inspection (written report included) $150 – $400
Tile replacement (per tile, including labor) $15 – $40
Shingle roof replacement (per square) $450 – $750
Concrete tile roof replacement (per square) $700 – $1,200
Underlayment replacement under existing tile $3,000 – $6,500
Skylight flashing replacement $400 – $900
Gutter replacement (per linear foot) $12 – $25

What pushes cost up in San Marcos is steep hillside access, two-story homes with difficult ladder setups, and concrete tile work that requires careful lifting and resetting. Underlayment replacement costs more than a simple repair because the tile has to come off in sections. Whatever the number, you’ll have it in writing before any work starts, and that price does not move at the door.

Neighborhoods We Serve in San Marcos

We work across all of San Marcos, from the planned communities on the hills to the older streets near downtown. Most of our work concentrates in a handful of neighborhoods where the housing stock is a specific age and the roofing problems are predictable.

  • San Elijo Hills
  • Discovery Valley
  • Santa Fe Hills
  • Richmar
  • Lake San Marcos

Dispatch and scheduling are coordinated from the brand’s San Diego office, and crews serve San Marcos locally. Most homeowners can get a crew out for an estimate within a few business days, and repairs are scheduled by urgency, not by whoever called first.

Service Area – Cities Near San Marcos

Brennan Roofing serves San Marcos and the surrounding North County communities. If you’re in Vista, CA, Escondido, CA, Carlsbad, CA, or Encinitas, CA, the same Garrison Standard applies: written pricing, background-checked uniformed technicians, and a full-year written guarantee. Each city has its own page with local pricing and conditions specific to that area.

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 Roofers in San Marcos

Ready to get started? Free estimates · Free in-home estimates response in San Marcos
Call (361) 320-9467

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local roofing pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What San Marcos Customers Say

★★★★★ 4.9 from 8+ reviews

"Ridge vent added and the attic is cooler. Fair price compared to the other two quotes."

- Vernon C.

"Neat, quiet, and disciplined crew. Magnet swept the yard after."

- Tonya R.

"Replaced the underlayment and drip edge as well as shingles. Many roofers skip that. Everything was explained in writing."

- Barry F.

How It Works in San Marcos

Getting your roofing handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your roofing needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in San Marcos - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

Current Offers

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Free On-Site Estimate & Written Quote

No obligation. We measure, price the job in writing, and the quote is yours to keep.

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Written Price Before Any Work Starts

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Written Guarantee on Every Repair

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Free Second Visit if the Repair Fails

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Areas We Serve
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