Tomball is the rare Texas city that publishes an actual answer: 110 mph design wind, and no ice barrier required. Both in writing.
Most Texas cities leave a roofer guessing at the climatic values their code is built on. Tomball does not, and after a while that becomes remarkable.
Ordinance 2024-41, effective 6 January 2025, puts Tomball on the 2021 International Residential Code and 2021 International Building Code with the 2023 National Electrical Code — the most current of the cities in this corner of the county. And it completes IRC Table R301.2(1), the climatic and geographic design criteria table that so many cities adopt and leave blank. The ultimate design wind speed is 110 mph. Ice shield underlayment: not required, stated as such rather than left to interpretation. The city also deleted R313.2, the residential sprinkler requirement.
Having those numbers in writing is worth more than it sounds. Humble, a few miles east in the same county, publishes a 130-140 mph range on a permit form with no code citation at all. Two cities, one county, a 30 mph spread, and only one of them can point at a table. When we detail an assembly in Tomball we are detailing to a published figure, not to a house style.
The permit side is equally plain. A residential re-roof permit is $75 and a commercial re-roof is $150, and the fees double if work starts before the permit issues, with a court fine of $281 alongside. Tomball does not run a contractor registration scheme; instead it requires a certificate of general liability insurance from “the person or entity that will actually perform the work,” with thirty days’ notice of cancellation. That phrasing is deliberate and it is a good rule — it closes the gap where a salesman’s certificate covers a crew that works for somebody else entirely. The dollar minimum behind it is set by council resolution and is not published, so we confirm it rather than assume.
One genuinely unusual permission: under Section 36-5, a contractor may haul its own tear-off debris in Tomball. In a city with an exclusive residential waste franchise that is uncommon, and it means the roll-off on your driveway does not have to come from one nominated hauler. Work runs 7 a.m. to 8 p.m. at an 85 dB(A) ceiling.
Now the part that catches people out. Only about 1,437 single-family parcels sit inside Tomball’s city limits. The Tomball postal area contains 276 distinct subdivision names. Amira, Albury Trails, Cherry Pines, Canyon Gate at Northpointe, Bauer Meadows and most of the other communities people call Tomball are in unincorporated Harris County, largely in Tomball’s extraterritorial jurisdiction, with Tomball mailing addresses and Tomball ISD schools — but no city permit and no city insurance gate. A Tomball lead is more likely than not a county lead. We qualify by address rather than by city name, because the answer changes what protects you.
The housing inside the line is evenly aged, with the 1980s, 1990s and 2000s all within a few percent of each other and a median build year of 1994. Owner-occupancy runs 51.9 percent. A 1994 house is thirty-two years old and is on its second roof, sometimes its third.
On storms, Harris County is hail country — fifty distinct hail days in the federal record from 2015 through 2025, against eighteen in Montgomery County to the north. Tomball has the single biggest stone in that eleven-year record: 19 April 2015, 2.75-inch baseball hail near Highway 249 and Boudreaux Road just south of town, with four separate reports of 1.75 inches or larger along the 249 corridor in one afternoon. Hail peaks in April here and thunderstorm wind in May. And a note on Hurricane Beryl: there are no NCEI storm-events records for Harris County for July 2024 at all. Whatever Beryl did here, the federal storm database does not document it.
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View Roof Maintenance →Ordinance 2024-41 completes IRC Table R301.2(1): 110 mph ultimate design wind, ice shield underlayment not required, on the 2021 IRC. Humble in the same county publishes a 130-140 mph range on a form with no citation. When the city has done the work of stating its criteria, the assembly should reflect them precisely — fastener pattern, edge detail and underlayment specified to the published figure and written on your estimate.
Tomball does not register contractors. It requires a liability certificate from the person or entity that will actually perform the work, with thirty days’ notice of cancellation. That wording exists because a certificate in a salesman’s folder does not cover a subcontracted crew. We are happy to be held to it, and you should hold every bidder to it.
About 1,437 single-family parcels are inside the city limits; the postal area holds 276 subdivision names. Amira, Albury Trails, Cherry Pines, Canyon Gate at Northpointe and Bauer Meadows are unincorporated Harris County with Tomball addresses and Tomball ISD schools. That changes the permit, the inspection and the insurance requirement, so it is the first thing we establish.
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110 mph ultimate design wind speed, stated in IRC Table R301.2(1) as completed by Ordinance 2024-41, effective 6 January 2025. That is a published figure, which is more than most cities in the region offer.
Not in Tomball. The city’s completed climatic table answers the question directly: ice shield underlayment required, no. That said, ice barrier is not the only reason to run a self-adhering membrane — valleys, low-slope transitions and penetrations still benefit, and we specify it where it actually earns its place rather than across the whole deck.
$75 for residential and $150 for commercial on a re-roof-only permit. If work starts before the permit issues the fees double, and there is a $281 court fine alongside. There is no version of starting early that comes out ahead.
No, it takes a different approach. Rather than a registration scheme, the city requires a certificate of general liability insurance from the person or entity that will actually perform the work, with thirty days’ notice of cancellation. The dollar minimum is set by council resolution and is not published, so we confirm the current figure rather than quoting one from memory.
The 2021 International Residential Code and 2021 International Building Code with the 2023 National Electrical Code, adopted by Ordinance 2024-41 effective 6 January 2025. The city also deleted R313.2, the residential fire sprinkler requirement.
Yes, and Tomball is unusually flexible about it. Section 36-5 lets a contractor haul its own construction debris, which in a city with an exclusive residential waste franchise is not the norm. It means the container does not have to come from one nominated hauler and the tear-off does not wait on somebody else’s schedule.
7 a.m. to 8 p.m., with an 85 dB(A) noise ceiling under the city’s noise article. In practice a tear-off is loudest in its first two hours, and we would rather start early and be off the roof by mid-afternoon than run to the legal edge of the evening.
Statistically, probably not. Only about 1,437 single-family parcels are inside them, while the Tomball postal area covers 276 distinct subdivision names. Amira, Albury Trails, Cherry Pines, Canyon Gate at Northpointe and Bauer Meadows all carry Tomball addresses and Tomball ISD schools but sit in unincorporated Harris County.
Tomball holds the largest stone in Harris County’s eleven-year federal record: 2.75-inch baseball hail on 19 April 2015, reported near Highway 249 and Boudreaux Road just south of town, with four separate reports of 1.75 inches or larger along the 249 corridor that afternoon. Harris County averages far more hail days than Montgomery County to the north — fifty against eighteen since 2015.
There are no NCEI storm-events records for Harris County for July 2024 — the Houston/Galveston forecast office filed nothing at all for that month. Beryl did real damage, but the federal storm database does not document it here, so it cannot support a claim narrative the way an April hail day can.
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