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 Repair Across Hornsby Bend
Roof repair in Hornsby Bend, TX typically costs between $450 and $1,800 depending on what failed and how far the damage spread. Most repairs we quote here are completed in one visit, but the real challenge in this part of Travis County isn’t the shingle work. It’s the permitting path, the septic and well setbacks, and the long haul from the nearest material yard. When you call Mercer Roofing Co Austin at (361) 202-8874, you’ll get a written price before any work starts, and every repair is covered by a written 365-day guarantee. That matters when the next storm rolls through the Colorado River bottoms.

We know Hornsby Bend. It’s unincorporated, it’s flood-prone, and the housing stock runs the full spectrum from 1970s ranch homes off Pearce Lane to newer builds near FM 969 and manufactured homes on open acreage. That means no two roofs here fail the same way. It also means a roofing company that treats Hornsby Bend like a generic Austin suburb will miss the things that actually cost you money: county inspections, septic tank clearances, well caps, and low-slope eaves that rot in the humidity.
Why Mercer Roofing Co Austin Is Hornsby Bend’s Preferred Roof Repair Company
Hornsby Bend homeowners call us because we answer the phone. A live person picks up 24/7, not a voicemail, not a call-back form. That’s a Mercer Roofing standard, and it means when a storm tears through in the middle of the night, you get a human being on the line. The team at Roof Repair knows this area’s failure modes: granule loss from UV bake, rotted fascia at the eaves, flashing gaps around septic vent pipes. We’ve seen all of it, repeatedly, on the same style of home you’re living in.
We also send you the technician’s name and photo before they arrive. Every Mercer technician is background-checked, identity-verified, and arrives in a clean, marked uniform with a photo ID badge at the door. This is the Threshold Verified standard, and for a homeowner in Hornsby Bend who is often at home alone or has young kids, that badge-at-the-door promise is the most concrete thing we offer. You will know exactly who is walking onto your property before they ever knock.
Mercer Roofing was founded in 2000 and is part of the Threshold Group family of home-service companies. Every location, including the Austin office that dispatches crews to Hornsby Bend, is independently owned and operated and held to the same quality framework. For Roof Repair in Hornsby Bend, that means written pricing, written guarantees, and a free second visit if a repair fails within the year. No exceptions, no fine print that evaporates when you file a claim.
Styles & brands we work with






Flat Roof Repair in Hornsby Bend
Flat Roof Repair in Hornsby Bend often starts with water ponding, and ponding eats a roof slowly. Many of the older ranch-style homes and practically all of the manufactured homes out here have low-slope or built-up sections, and when the drainage isn’t right, water sits long after the rain stops. That standing water breaks down the roofing membrane, and before long you have a soft spot and a leak inside.
A typical flat roof patch in Hornsby Bend runs $650 to $1,200, but the final number depends on whether we need to replace the decking underneath, how many layers of old roofing we have to cut out, and whether the existing membrane is still manufacturer-compatible. We use manufacturer-recognized products from brands like GAF and Owens Corning, and we’ll tell you in plain English why one patch method beats another for your specific roof.
Low-Slope Eave and Drainage Repairs
Water backs up behind poorly installed drip edge on low-slope eaves, then seeps into fascia and soffit, inviting rot during Hornsby Bend’s humid months. We pull the old edge, inspect the wood, and replace what’s soft before reinstalling drip edge that actually carries water away from the structure.
Flashing and Penetration Seals
Flat roofs around here are notorious for failed flashing around plumbing vents, HVAC curbs, and electrical mast penetrations. Any seam left exposed in this humidity will open up. We rebuild those seals and warranty the repair for 365 days.
Shingle Roof Repair in Hornsby Bend
Shingle Roof Repair in Hornsby Bend is the most frequent service call we run, and the cause is almost always the same: the Texas sun has baked the granule layer off the shingles faster than the homeowner expected. Composition shingles on older ranch homes and manufactured houses age hard here, especially when attic ventilation is poor and the heat attacks them from below as well as above.
Replacing a damaged section of shingle roof in Hornsby Bend typically runs $450 to $950 for a straightforward repair. If we have to re-deck water-damaged OSB, replace drip edge, or add ice and water shield to valleys, the price rises. We’ll always give you a written line-item quote before we start, so you know exactly what you’re paying for and why.
Chimney, Valley, and Ridge Work
On a ranch-style home off Pearce Lane, our crew replaced cracked architectural shingles around a poorly flashed chimney after identifying advanced granule loss from UV exposure. We re-decked two sheets of water-damaged OSB, installed new drip edge and ice and water shield in the valleys, and corrected the ridge vent to stop attic heat buildup that had been baking the shingles from below. That job is a good template for what we see across Hornsby Bend.
Ventilation Corrections That Stop the Cracking
Many Hornsby Bend homes built before 2000 lack adequate roof ventilation, so attic temperatures soar and shingles crack prematurely. A repair that only replaces shingles without fixing the ventilation will fail again. We address both, because the 365-Day Done Right Promise means if it isn’t done right, we make it right.

Trusted Brands We Service in Hornsby Bend
We install and repair manufacturer-recognized shingle brands including GAF, CertainTeed, and Owens Corning. That matters in Hornsby Bend because matching your existing roof’s shingle is the difference between a repair that blends in and one that looks like a patch job. We keep common materials stocked for Hornsby Bend customers, and for less common colors or profiles we can source them quickly from our Austin supply chain. We also service roofs built with IKO, Atlas, Tamko, and Boral products, so whatever is on your roof, we know how to work with it correctly.
Common Roof Repair Problems We See in Hornsby Bend Homes
- Septic vent pipes and well caps mistaken for ordinary roof penetrations. Flashing gaps around these get ignored by roofers who don’t work unincorporated Travis County. When it rains hard, water pours directly into the attic through the gap.
- Rotted fascia and soffit from backed-up drip edge. Low-slope eaves trap moisture, and Hornsby Bend humidity finishes the job. The repair is not just the shingle, it’s the wood behind it.
- Detached garages and shops with no ridge vent. They trap heat, causing shingles to curl and crack prematurely. Owners usually don’t notice until a leak starts directly over a workbench or stored equipment.
- Hail damage that is not obvious from the ground. The subtropical storm pattern here brings hail, and it leaves bruising on shingles that you won’t see until granule loss starts or a leak appears. We inspect before we quote.
See the difference
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AfterPricing for Roof Repair in Hornsby Bend, TX
Here are honest ranges for the jobs we quote most often in Hornsby Bend. A shingle replacement on a small section runs $450 to $950. A flat roof patch runs $650 to $1,200. Flashing repair around a chimney or vent typically lands between $350 and $800. Full valley repair with new underlayment and shingles runs $800 to $1,500. If decking is water-damaged, add $120 to $180 per sheet. Prices are affected by the county permitting requirement, how far your property sits from the nearest road, whether we need to stage materials around a septic drain field, and the roof’s pitch and accessibility. Every quote is in writing before work begins. Call (361) 202-8874 to schedule a free estimate.
This may not be the cheapest number in Hornsby Bend, but it’s the number from a roofer who pulls the Travis County permit, sends a photo-badged technician, and stands behind the repair for a full year. You can’t compare prices until you compare what’s behind them.
We Also Serve Cities Near Hornsby Bend
While this page is written for Hornsby Bend homeowners, our crews also handle roof repair in Austin, Cedar Park, San Marcos, and Brushy Creek. The same written pricing, the same 365-day guarantee, and the same Threshold Verified standard apply no matter which side of the county line you’re on.
Serving Hornsby Bend, TX - Our Local Coverage Area
We’re based in the Hornsby Bend 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 Repair in Hornsby Bend
Yes, most roof repairs in Hornsby Bend require a permit from Travis County, since the area is unincorporated and outside Austin city limits. County inspections often focus on windstorm compliance and septic/well setbacks rather than neighborhood aesthetics. We pull the permit and handle the inspection, so you don’t have to figure out county paperwork on top of a leaking roof. Call (361) 202-8874 and we’ll confirm the exact requirement for your property before quoting.
Look for granule buildup in your gutters, dented or cracked shingles on the sun-facing slopes, and any water staining on your ceiling after a storm. Hail bruising won’t always be visible from the ground, so the surest check is a roof inspection. We perform inspections as part of every free estimate and will show you photos of what we find before we ever quote a repair. Call (361) 202-8874 to book one.
Shingle roofs fail from UV bake, hail, and wind, and the repair is generally a section replacement around the damaged area. Flat roofs fail from ponding water, membrane aging, and penetration seals, and the repair usually involves patching the membrane and rebuilding the seals. Flat roof work often costs more per square foot in Hornsby Bend because older low-slope sections on ranch and manufactured homes frequently have multiple old layers that must be cut out first. Call (361) 202-8874 for an exact quote on your specific roof type, estimates are free.
Yes. We stage materials and schedule access around septic tank locations, wellheads, and drain fields on your Hornsby Bend property. This is one of the biggest differences between county roofing and city roofing, and it’s a standard part of how we scope every job. Before we quote, we identify the setbacks on your lot and plan the repair to avoid them entirely.
Because the root cause is almost always attic ventilation, not the shingle itself. Hornsby Bend homes built before 2000 frequently lack ridge and soffit venting, so attic heat cooks the shingles from below and they crack again within a few seasons. Unless the repair addresses the ventilation, it’s a temporary patch. We correct the ventilation as part of our shingle repair work and warranty the result for 365 days. Call (361) 202-8874 to schedule a free assessment before the next heat wave.
Why County Permits, Septic Setbacks, and Long Hauls Change the Price
Hornsby Bend’s unincorporated status outside Austin city limits means roof repair permits go through Travis County, not the City of Austin. County inspections often focus on windstorm compliance and septic/well setbacks rather than neighborhood aesthetics. Practically, that means we stage materials and repairs to avoid wellheads and drain fields that city rowhouse roofers never see. It also means the permit process adds a layer of coordination that a city roofer can skip. That is not a downside, it is simply the reality of doing this work correctly in Hornsby Bend.
Most of Hornsby Bend is built on acreage. The lots are bigger, the driveways are longer, and the nearest material yard is a real haul. That affects the estimate: material transport, equipment access, and the time it takes to stage the job all factor into the written quote. We scope these variables before we ever give you a number, so the price you see is the price you pay, not a surprise add-on when we show up. On an open lot with grading and drainage concerns, we also check that the repair won’t redirect water toward the septic field or the well cap. These are the details that keep a roof repair from becoming a water-quality problem.
If you’re in Hornsby Bend and you need a roofer who knows the difference between a city permit and a county permit, who knows where your septic tank sits and why that matters, and who gives you a written price and a written 365-day guarantee, call Mercer Roofing Co Austin at (361) 202-8874. We’ll send you a photo-badged technician, pull the county paperwork, and fix the roof right.
Written by Grant Whitlock, Owner at Mercer Roofing Co Austin, serving Hornsby Bend with written pricing, county-compliant repairs, and a 365-day guarantee on every job.