Metal roofing
Architectural shingles
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roof Installation Across Leon Valley
A full Roof Installation in Leon Valley, TX typically runs $7,800 to $14,500 for a standard single-story ranch home, depending on whether the original 1970s decking needs replacement before shingles go down. That decking question is the single biggest cost mover in this city, and it’s exactly why we inspect before we quote rather than after the tear-off. If your roof is showing granule loss, curling shingles, or leaks around the valleys after a Bexar County hailstorm, call (254) 276-4369 for a free estimate with the decking checked up front.
Why Mercer Roofing Co San Antonio Is Leon Valley’s Preferred Roof Installation Company
We work constantly in Leon Valley’s older subdivisions, and we know what hides under original composition shingles here better than most. Homeowners off Evers Road, Bandera Road, and Huebner ask the same question: will my decking hold new architectural shingles, or is this going to become a structural job? We answer that by pulling up a few shingles during the estimate, not after we’ve already stripped your roof. That transparency has built our reputation in this small city, where word travels fast and a roof replacement is something neighbors actually talk about.
Grant Whitlock leads our crews with one rule: the written price you approve is the price you pay, with any unforeseen decking or flashing work priced and signed off before a nail is driven. Every technician who arrives at your Leon Valley home is background-checked, uniformed, and carries a photo ID badge. We send their name and photo to you before the visit, because opening your door to a stranger is a real concern, and you should know exactly who’s coming.
Styles & brands we work with
Tile Roof in Leon Valley
Tile Roof installation in Leon Valley is a specialty we handle for homeowners who want the look and longevity of tile on the city’s classic 1960s and 70s ranch homes. Unlike shingle-over jobs, tile demands a structural review first, because many of these original roofs were never framed to carry the dead load of concrete or clay tile. That’s not a reason to avoid tile; it’s a reason to have a structural check done before you commit.
When Tile Makes Sense on a Leon Valley Ranch
If your home has a gently pitched roof and you’re planning to stay for 20-plus years, tile can outperform shingles in the hail-prone corridor of Bexar County. But you need an honest assessment of the framing, not a sales pitch. We measure the truss spacing, check the existing decking, and tell you whether reinforcing is required before tile goes on.
What Tile Roof Work Costs Here
A tile installation in Leon Valley typically runs $18 to $34 per square foot installed, with the structural review included. If the original framing needs reinforcement before tile, that’s a separate line in the written quote, priced before work starts. No surprises on the invoice, ever.
Roof Ventilation in Leon Valley
Roof Ventilation in Leon Valley is the quiet fix that prevents your new architectural shingles from cracking in two seasons instead of twenty. Many of the older ranch homes in this city either have no ridge vent or one that’s drastically undersized for the attic’s square footage. The Bexar County summer heat then bakes the shingles from below, and the granule loss starts within the first year, not the second decade.
Why Attic Heat Is Harder on Leon Valley Roofs
A low-slope roof with a shallow attic gets hotter than a steeper pitch with more air volume. That’s the reality for the one-story homes dominating Leon Valley’s housing stock. When we replace a roof here, we calculate the attic’s required net free vent area and size the ridge and soffit vents to match, instead of just reusing whatever the builder put in 50 years ago.
Ridge Vent Installation and Cost
Adding a properly sized ridge vent during a roof install adds $375 to $900 for a typical ranch home, and it’s one of the cheapest ways to extend the life of the shingles you’re paying for. If the old roof has no ridge vent at all, we cut the slot, install the vent, and balance the intake at the soffits. That work is included in our written estimate before demo starts.
Trusted Brands We Service in Leon Valley
We install and repair shingle roofs using manufacturer-recognized brands including Owens Corning, IKO, and Atlas. Each of these manufacturers certifies certain installers for their extended warranties, and if you want a GAF or Owens Corning system warranty on your Leon Valley roof, the installation method has to meet their spec exactly. We stock common accessories and flashing for these brands locally, which means we’re not waiting on a parts order from Austin or Dallas when your roof is open and the weather moves in.
See the difference
Before
After
Before
After
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AfterCommon Roof Installation Problems We See in Leon Valley Homes
- Original decking failing at the fastener line. Many 1960s and 70s roofs in Leon Valley still have their first generation of plywood or dimensional board decking, and shingles nailed into degraded wood lose their grip within five years. We always inspect the decking before quoting, because re-nailing or replacing it is the single biggest cost mover on a local job.
- Shingle-over jobs on low-slope ranch roofs. Leon Valley permits sometimes allow a second shingle layer over the original, but the added dead load on a shallow pitch was never part of the original design. We rarely recommend shingle-over on these homes, because it hides decking failures and shortens the life of the new roof.
- Valleys and flashing that get skipped. The original composition shingle roofs in this area have valleys and penetrations that leak first during hail storms. If the flashing in those spots isn’t replaced in full during a roof installation, you’ll be chasing leaks within a year.
- Undersized ridge vents baking the new shingles. The older ranch homes off Evers Road and Bandera Road frequently have no ridge vent or one too small for the attic volume. The result is shingle cracking and granule loss that shows up long before the warranty expires.
Pricing for Roof Installation in Leon Valley, TX
For a standard Leon Valley ranch home, a complete tear-off and architectural shingle installation runs $7,800 to $12,600. If the original decking needs full or partial replacement, which is common on 1960s and 70s builds in this city, add $1.50 to $3.00 per square foot for new 7/16-inch OSB installed. Tile roofs run $18 to $34 per square foot installed, with any structural reinforcement priced separately before work begins.
What moves the price most in Leon Valley is the condition of the decking, the pitch of the roof, and whether the city’s own permitting process triggers a code-required upgrade on an older home. We draw the permit, schedule the inspections, and write every line of the price before demo. A live person answers at (254) 276-4369 for a free estimate.
We Also Serve Cities Near Leon Valley
Mercer Roofing Co San Antonio is dispatched from our San Antonio office, and our crews work regularly in Roof Installation projects across the surrounding metro. We serve homeowners in San Antonio, Schertz, Cibolo, and Boerne with the same written estimate and photo-badged technicians. If you’re just outside city limits, call (254) 276-4369 and we’ll confirm we cover your street.
Serving Leon Valley, TX - Our Local Coverage Area
We’re based in the Leon Valley 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 Installation in Leon Valley
Yes. Leon Valley enforces its own residential building permit process separate from San Antonio, and that permit is required for a full roof replacement. The permit itself is a small line item, usually under $200, but the code review can trigger required upgrades, like re-nailing or replacing decking that’s no longer structurally sound, and that’s what moves the quote. We draw the permit for you and write any code-mandated work into your written price before demo starts. Call (254) 276-4369 for an exact quote.
Because much of the city’s housing stock was built between the 1960s and 1980s with plywood or board decking that’s now 40 to 60 years old. Water intrusion around the original nail holes, years of attic condensation, and hail impacts have degraded that wood to the point that new shingles won’t hold their wind rating. If we can’t re-nail the decking to code, we write the replacement into the contract before demo, with the cost approved by you in advance. That’s the only way to avoid a price that moves after the shingles come off.
You can, if the decking is sound enough to hold the shingles to their rated wind speed and the pitch is within the manufacturer’s minimum. Many of the ranch homes in Leon Valley have slopes at the low end of shingle tolerance, and the original decking may not hold a GAF or Owens Corning architectural shingle to its 130 mph wind rating without replacement. We test that during the estimate, and if the decking won’t hold, we tell you before you spend a dollar on shingles.
Then you have a decision to make, and our estimate shows you exactly what the insurance payout covers and what it doesn’t. We document the decking condition and the code requirements with photos and written notes you can send to your adjuster for a supplement. Many Leon Valley homeowners successfully get a revised payout after the adjuster sees the decking failure in writing. If the insurance doesn’t cover it, you pay only the difference that was already disclosed, nothing added after the fact.
A roofing square is 100 square feet of roof area, and contractors in Leon Valley use it because roof surfaces don’t map neatly to a home’s square footage. To compare bids, divide the total roof area by 100 to get the number of squares, then compare the per-square price across contractors, ensuring each bid includes the same decking, underlayment, and flashing work. It’s the fastest way to see who’s actually cheaper and who’s just leaving line items out. Our written estimate shows the square count so you can check the math yourself.
Written by Grant Whitlock, Owner at Mercer Roofing Co San Antonio, serving Leon Valley with written pricing and photo-badged technicians.