January 12, 2026 · 9 min · Houston
Every week a Houston homeowner asks us the same question: what's this roof actually going to cost? The honest answer is it depends on a handful of specific factors, and once you understand them you can look at any bid and tell whether it makes sense. Here's how we walk homeowners through it during a free inspection.
Roofing is priced by the square
Roofers measure in squares — one square equals 100 square feet of roof surface. A typical one-story Houston home runs somewhere around 20 to 30 squares, while larger two-story homes with cut-up rooflines can run higher. The bigger the roof, the more material and labor it takes, plain and simple. But square footage is only the starting point.
Pitch changes everything about labor
A low-slope roof is faster and safer to walk, so labor costs less per square. A steep pitch — common on a lot of the newer builds around Houston with dramatic rooflines — takes longer, requires more safety equipment, and burns more crew hours per square. Steep, complex roofs with lots of valleys, dormers, and hips cost more than a simple gable roof of the same size.
Layers and tear-off
If your roof already has two layers of shingles on it, code generally requires tear-off before a third layer goes down. Tear-off adds labor, dump fees, and disposal costs. It's also the right call structurally — extra layers trap heat and moisture against the decking, which is the last thing you want in Houston's humidity.
Decking condition
You don't know what's under the shingles until they come off. Years of attic humidity, old leaks, or hail damage can rot plywood decking, and any rotten sheets have to be replaced before new shingles go down. A trustworthy contractor prices decking replacement as a per-sheet allowance rather than burying it in a vague lump sum, so ask for that detail on any quote.
Ventilation upgrades
A lot of older Houston attics are under-ventilated for how hot it gets under a summer sun. Adding or upgrading ridge vents, intake vents, or radiant barrier decking during a re-roof adds cost up front but pays back in lower attic temperatures, longer shingle life, and lower cooling bills. We'll flag this during inspection rather than surprise you with it later.
Material tier
- Standard 3-tab shingles: the least expensive option, shortest lifespan, and not what we recommend for Gulf Coast wind exposure.
- Architectural laminate shingles (GAF Timberline HDz, Owens Corning Duration, Tamko Heritage): the most common choice for Houston homes, with strong wind ratings and a range of warranty options.
- Standing seam or exposed-fastener metal: higher material cost, but excellent heat reflectivity and storm performance.
- Impact-resistant shingle upgrades: added cost that can sometimes lower your homeowner's insurance premium — worth asking your carrier about.
Access and site conditions
Steep driveways, mature trees close to the house, fences, pools, and tight side yards all affect how easily a crew can stage material and run a dump trailer. Easy access keeps labor efficient; tight, obstructed lots add time.
General cost ranges
Every roof is different, but as a general range that varies by size, pitch, material, and access, most asphalt shingle replacements on Houston homes land somewhere in the mid four figures to the high five figures. Metal roofing typically runs higher per square than asphalt. These are general ranges only — the real number comes from a measured, on-site inspection, not a phone estimate.
Why the cheapest bid usually isn't the best deal
We see it all the time: a homeowner gets three bids, and one comes in dramatically lower than the others. Almost always it's missing something — no tear-off of the old layer, cheaper felt instead of synthetic underlayment, no ice-and-water shield in the valleys, or a labor-only warranty with no manufacturer backing. A low bid that skips flashing details or decking repairs can cost you far more the first time it leaks.
Hook, line, and shingle — we'd rather show you exactly what's included than win a bid by leaving something out.
What's included in a Redfish Roofing quote
- Full tear-off and haul-away of old roofing material
- RhinoHide synthetic underlayment across the whole roof
- Ice-and-water shield in every valley
- Z-Ridge hip and ridge for a finished, wind-resistant ridge line
- Any decking replacement itemized, not hidden
- Manufacturer-backed warranty options through GAF Certified™ status
Financing the difference
If the number is more than you want to pay out of pocket, we can match you with financing through our network of 27 lending partners, including unsecured home improvement loans and promotional deferred-interest plans. Approval, rates, and terms depend on the lender and your credit, but our office will walk you through the options so you're not guessing.
Get a real number
Free inspections and quotes are the fastest way to stop guessing. We measure your roof, check the decking where we can, and give you an itemized quote — call (832) 640-5347 or email redfishroofingcompany@gmail.com.
Frequently asked questions
How much does a new roof cost in Houston?
It varies by size, pitch, material, and access, but most asphalt shingle replacements fall in a general range from the mid four figures into the high five figures. Metal roofing runs higher. A free inspection gives you an exact, itemized number.
Why did one contractor's bid come in so much lower than the others?
Usually because something is missing — no tear-off, cheaper underlayment, no ice-and-water shield, or a shorter warranty. Always compare what's actually included, not just the bottom line number.
Does roof pitch really affect price that much?
Yes. Steep or highly cut-up rooflines take longer to work safely and use more material for the same square footage, so labor costs more per square than on a simple, low-slope roof.
Will you know if my decking needs to be replaced before you start?
We can spot obvious problem areas during inspection, but some decking issues only show up once the old shingles come off. We price decking replacement per sheet so you're never surprised by a vague add-on charge.
Can financing help cover roof replacement cost?
Yes. We work with a network of 27 lending partners offering options like unsecured home improvement loans and promotional deferred-interest plans. Our office can walk you through what's available based on your situation.
Is a more expensive roof always the better choice?
Not necessarily — it depends on your goals. A properly installed architectural shingle roof with good ventilation and flashing can outperform an overpriced upgrade with weak installation. We'll help you match material to your budget and how long you plan to stay in the home.




