Back to Blog FAQ San Antonio Roofing FAQ: 20 Questions Answered by a 25-Year Local Roofer
Mark WhiteMay 1, 202610 min read After 25 years of answering San Antonio roofing questions, I've noticed the same 20 questions come up again and again. So I'm putting all the answers in one place. Bookmark this page, it'll save you a phone call. (Though you're always welcome to call too.)
Q: How much does a new roof cost in San Antonio?
A: For a standard single-story home (1,500-2,500 sq ft), expect $8,000-$15,000 for architectural shingles and $15,000-$30,000 for standing seam metal roofing metal. The biggest cost factors are roof size, pitch (steepness), material choice, and number of layers to remove. We offer free detailed quotes, no ballpark guesses.
Q: How long does a roof last in San Antonio?
A: Architectural shingles: 18-25 years. impact-resistant shingles: 22-30 years. Standing seam metal: 40-60 years. These are real San Antonio lifespans, not manufacturer lab claims. Proper attic ventilation can add 3-5 years to any material.
Q: Does my homeowner's insurance cover roof replacement?
A: Only if the damage was caused by a covered peril, hail, wind, fire, or fallen debris. Normal wear and tear is not covered. Check whether you have Replacement Cost Value (RCV) or Actual Cash Value (ACV) on your policy, it makes a huge difference in your payout.
Q: Do I need a permit to replace my roof in San Antonio?
A: Yes. San Antonio's Development Services Department requires a permit for any roof replacement or major repair. Your contractor handles this. The permit is usually ready the same day or next business day. Any roofer who says permits aren't needed is waving a red flag.
Q: Should I repair my roof or replace it?
A: If damage covers less than 25% of the roof and the roof is under 15 years old, repair usually makes sense. Over 25% damage or a roof over 18 years old, replacement is typically the better investment. The math shifts further toward replacement when insurance is covering the cost.
Q: What's the best roofing material for San Antonio?
A: For most homes: Class 4 impact-resistant architectural shingles. They handle our hail, earn an insurance discount (15-28%), and cost only 15-20% more than standard shingles. If budget allows, standing seam metal is the premium choice for longevity and energy efficiency.
Q: How do I know if my roof has hail damage?
A: Check soft metals first, dented gutter installation, AC units, or window screens indicate hail reached your property. On the roof, hail damage shows as random dark spots where granules are knocked loose. These spots are soft to the touch. Don't confuse hail damage with blistering or normal aging.
Q: Can I install a new roof over my existing shingles?
A: Technically allowed up to two layers in most cases, but I don't recommend it. Overlaying traps moisture, hides deck problems, adds weight, reduces new shingle lifespan by 20-30%, and makes future replacement more expensive. Full tear-off is always the right call.
Q: What's the difference between architectural and 3-tab shingles?
A: Architectural (dimensional) shingles are thicker, more wind-resistant (130+ mph vs 60-70 mph), longer-lasting, and look significantly better. The price difference is $500-$1,500 on a typical home. There's no reason to install 3-tab in 2025, the value gap is too small.
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A: Verify: local physical address (not just a PO box), active Texas contractor license, proper insurance (liability + workers comp), 10+ years in the San Antonio market, and references from recent local jobs. Red flags: out-of-state plates, 'this price is only good today' pressure, offering to waive your deductible.
Q: What is a Class 4 impact-resistant shingle?
A: A shingle that passes the UL 2218 Class 4 impact test, it withstands a 2-inch steel ball dropped from 20 feet without cracking. These shingles are engineered for hail resistance and earn significant insurance premium discounts in Texas. Popular options: Owens Corning Duration STORM, CertainTeed Landmark IR, GAF Timberline AS II.
Q: Will a new roof increase my home's value?
A: Yes. National data shows a new roof recovers 60-68% of its cost at resale. In San Antonio's market, the impact can be even higher because buyers and inspectors specifically look at roof age and condition. A home with a new roof also sells faster and with fewer inspection-related negotiation hassles.
Q: What is a roofing square?
A: One roofing square = 100 square feet. When a roofer says your roof is '25 squares,' that's 2,500 square feet. Material costs are quoted per square ($80-$150 for shingles). A typical San Antonio home is 20-35 squares.
Q: What's ice and water shield? Do I need it in San Antonio?
A: Ice and water shield is a self-adhering waterproof membrane installed under shingles in leak-prone areas: valleys, around penetrations, and along eaves. While we don't get ice dams in San Antonio, the wind-driven rain protection it provides is critical. Every roof we install includes it in valleys and around all penetrations.
Q: Can I get my roof replaced in winter?
A: Absolutely. San Antonio winters rarely drop below the minimum installation temperature for asphalt shingles (40°F). Winter is actually a great time to replace your roof, shorter wait times, no hail season rush, and the seal strips activate during the next warm spell. Some of our best work happens November through February.
Q: What should I do to prepare for a roof replacement?
A: Move cars out of the driveway, secure loose items in the attic (vibrations from tear-off can shake things loose), cover items in the garage if it's attached, remove wall decorations near exterior walls, and let your neighbors know about the noise. We'll handle everything else.
Q: How do I prevent storm chasers from scamming me?
A: Never sign a contract the same day someone knocks on your door. Verify their local address (Google Street View it). Check their Texas contractor registration. Ask for references from YOUR zip code, not from wherever the last storm was. And remember: waiving your deductible is illegal under Texas law (HB 2102).
Q: Who is the best roofer in San Antonio?
A: I'm biased, but Legacy Home Improvements has been serving San Antonio since 1999. Over 25 years, thousands of roofs, and we're still here, in the same city, with the same phone number. We don't chase storms, we don't do deductible games, and we stand behind every roof we install. Call (210) 272-7272 or visit legacytx.com.
Got a roofing question? Something keeping you up at night? (Besides that mysterious dripping sound?) Email me personally at mwhite@legacytx.com. I read and answer every single one.
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Owner, Legacy Home Improvements · San Antonio since 1999
Mark has been in the roofing business for over 25 years. He personally inspects homes, works with insurance adjusters, and answers every email at mwhite@legacytx.com.
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