Flat roofing cost in Houston is priced after a walkthrough of area, drain work, penetration count, access, and whether the job is a seam patch or a recover — not from a website dollar menu for TPO, EPDM, or mod-bit. Flat roof repair is the residential and small-lid page; a business cover may be commercial roofing. Montrose townhomes and East End shops do not share one number.
Low-slope money is drains, seams, and recover versus patch — not a copied shingle square. Compare how long a Houston flat roof lasts and repair timeline before you mix invoices. The National Roofing Contractors Association is the trade overview we point to on TPO and EPDM, not a dollar menu.
A patch invoice is a wet path. A recover invoice is the plane. Mixing them is the same mistake people make on steep replacement versus leak. Call (281) 562-7867 or request a quote and say which you think you need. We will confirm after we see ponding, seams, and the deck. We will not publish a fake per-square membrane menu for 2026.
Drivers you can use to sanity-check anyone’s low-slope bid: square footage of the actual lid (not living area), number of pipes, curbs, and HVAC units, scupper or interior drain work, parapet height, alley versus crane access, and whether wet insulation or wet wood is in the scope if found. Townhome party walls are a detail line. A shop with rooftop traffic is a different assembly conversation. None of that is a phone-photo total.
Steep-roof replacement math does not translate. A Houston house with a flat rear addition is two assemblies. Pricing only the shingle field leaves the ponding lid as the leak you still have. Pricing only the addition from a steep-roof square is equally wrong. We scope the plane that holds water. Pasadena commercial and Montrose residential can look similar in a search result and still bid differently because of units and access.
If you need speed, read the timeline article on this blog; cost and calendar are cousins through weather windows, not twins. If you need life expectancy, that is drains, not a cheaper membrane from a rumor. No invented case studies. No star counts. The number is after we walk the lid. Emergency tarp on an open low-slope is a short hold with its own limit, not a recover price.
Stafford and East End mixed-use lids show the same rule: say whether the cover is a house addition or a shop before we talk money. A recover that skips wet insulation is a delay, not a bargain. We would rather walk the plane in Montrose heat than invent a TPO package for a city that ponds after ordinary rain.
The Houston factor
Ponding, humidity, and a long rain season are why drain lines belong in a Houston flat-roof price. A clogged scupper is not a membrane discount. Hurricane season loads those drains. Annual precip near fifty inches (published, station-dependent) is the everyday test. We price the details that climate actually uses.
Clay at parapets is a flashing driver. Hail is not the usual low-slope budget story here. Algae film on ponding zones is maintenance, not a hidden square. Ship Channel air is harder on some metals at terminations. We still will not turn climate into a fake dollar-per-square chart on this page.
Patch price versus recover price
If the deck is dry and one seam is guilty, you want a repair conversation. If the membrane is finished or insulation is wet, you want a recover conversation. We will label which invoice we mean. A cheap recover that skips drains is not cheap in this city. A expensive patch on a finished lid is a delay. Walkthrough first.
Why don’t you list TPO cost per square in Houston?
Because a square without drains, curbs, and wet-insulation rules is a different roof. We will not publish a 2026 membrane menu. Montrose and Pasadena lids do not share access. The public part is drivers. The number is after we see the plane. Anyone listing a firm TPO rate without a walkthrough is guessing.
Is a flat addition priced with the shingle roof?
Only if we scope both, and they are still different assemblies. The addition fails by ponding; the steep field fails by tabs and flashings. Houston houses mix them. Ask for two lines if you have two planes. We will not hide a low-slope recover inside a steep square or skip the addition because the front looks fine.
Does rooftop HVAC change the cost?
Yes as a driver — curbs, flashings, traffic, and how we stage. It does not produce a website add-on chart. Say units on the form so the walkthrough matches. Commercial covers in Pasadena and the East End often live or die at those curbs. The invoice follows that look, not a photo of the street wall.
Call (281) 562-7867 during business hours or request a walkthrough. We pick up Mon–Fri and schedule a tarp or visit from there — no around-the-clock crew claim.