The 1953 tornado is still the largest thing in Waco’s housing data, and the city now adopts new building codes automatically. Both change how a roof gets built here.
Waco’s housing tells you about a tornado that happened seventy-three years ago. The single largest building decade in this city is the 1950s — 16.6% of all 61,163 housing units. Cities do not normally have their peak construction decade that far back. Waco does because on May 11, 1953 an F5 tornado killed 114 people and levelled much of downtown, and the rebuild that followed is still, statistically, the dominant layer of housing in this city.
The median Waco home was built in 1979 and 70.6% of the stock predates 2000. Those are old roofs on houses that have been through a lot.
The code here is the newest of any city we serve, and it works in a way we have not seen elsewhere. Waco adopted the 2024 International Residential Code by Ordinance 2025-813 on November 4, 2025, effective January 1, 2026. More unusual is how it will adopt the next one: Waco’s code contains a rolling auto-adoption clause under which new International Code editions take effect twelve months after the International Code Council publishes them, with no council vote required. The energy code is carved out. Most cities take two to five years to move a cycle; Waco moves automatically in one.
What Waco does not do is amend the roofing chapter. We read the full ten-item local amendment list at Section 6-29 — not one item touches IRC Chapter 9. So roof covering, underlayment, drip edge, decking, layer limits and re-roofing all run on the 2024 IRC exactly as published.
One honest gap: Waco publishes no design wind speed anywhere we could find. Dallas-area cities publish 115 mph through their regional package; Waco has no equivalent published figure. We ask Building Inspections at 254-299-2489 rather than borrowing a number from a hundred miles north and calling it Waco’s.
The storm record is smaller than the Metroplex — 46 distinct hail days within ten miles since 2000, peaking in April — but the stones get large. On April 26, 2023 a trained spotter measured 4.50-inch hail, and the National Weather Service narrative for the day records HVAC damage at Waco Regional Airport and golf-ball hail falling on the Baylor campus. Baseball hail around three and a quarter to three and a half inches has been reported at Lorena.
Wind here is well measured, which is unusual and useful. The certified station at Waco Regional Airport has recorded four separate gusts at 73 mph or better, topping out at 77 mph on July 25, 2010 — instrument readings rather than surveyors’ estimates. The most vivid entry is from February 10, 2009, when 81 mph winds hit East Waco: “A roof was blown off a restaurant near Baylor University,” and in town, “20 to 30 windows were blown out of an apartment building on Austin Avenue and 13th Street.”
More recently, on March 4, 2025, 70 mph winds between Robinson and Hewitt produced exactly the mixed picture a roofer recognises: “multiple homes with shingles missing, fences blown over, a collapsed metal barn building, a missing roof, nearby power lines knocked down, and power poles snapped.” Some houses lost a few shingles. One lost the whole roof. Same storm.
And there is one rule that decides how your tear-off leaves the property. Waco Code Section 21-62 states that “no solid waste permit will be issued for the collection or transportation of solid waste from any residential (single-family or multi-family) units.” Residential waste collection in Waco is the city’s business and private haulers are not licensed for it. That is a materially different arrangement from Austin, which expressly allows a licensed private hauler to take construction waste from a house.
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View Roof Maintenance →Waco adopted the 2024 IRC effective January 1, 2026, and its ordinance carries a rolling auto-adoption clause: each new I-Code edition takes effect twelve months after the ICC publishes it, without a council vote. That means Waco will be on the 2027 codes while much of Texas is still on 2021. We read the actual amendment list — ten items, none touching the roofing chapter — so IRC Chapter 9 applies as published.
Waco Code Section 21-62 states that no solid waste permit will be issued for collection or transportation of solid waste from any residential unit, single-family or multi-family. Residential collection here is the city’s. That is a real operational constraint and it is one of the specific things a crew arriving from out of town will not have planned for. We solve it before we start.
Design wind speed drives shingle wind rating and fastening pattern, and Waco does not publish one that we could find — there is no local climate criteria table equivalent to the ones Dallas-area cities publish. We confirm with Building Inspections at 254-299-2489 rather than importing a Metroplex figure. If a competing bid states a Waco design wind speed with confidence, ask them where it came from.
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Yes — roofing does not appear on Waco’s permit exemption list, which covers things like painting, papering, carpeting, cabinets, small sidewalks and playground equipment. The residential re-roof permit is $125. We pull it as part of the job.
The 2024 International Residential Code, adopted by Ordinance 2025-813 on November 4, 2025 and effective January 1, 2026. That makes Waco the newest-code city we work in — most of Dallas-Fort Worth is still on 2021 and some cities are on 2018. Waco’s ten local amendments cover other matters entirely; none touches roofing, so the roofing chapter applies exactly as published by the International Code Council.
Automatically, yes, and this is genuinely unusual. Waco’s ordinance provides that new editions of the International Codes take effect twelve months after the ICC publishes them, without requiring a fresh council vote — the energy code being the exception. Practically, that means specifications in Waco can shift on a schedule set in Washington rather than in city hall, and a contractor who works here occasionally may be building to a superseded edition without realising it.
We could not find a contractor registration programme anywhere in Waco’s code, and we are not going to assert that none exists on the strength of not finding one. What we can tell you is that unlike Lubbock, which requires a $20,000 surety bond and $100,000 liability coverage, and unlike Sherman, which names roofing contractors specifically, Waco’s code has no equivalent provision that we could locate. Ask any contractor for their certificate of insurance directly rather than relying on a city threshold here.
Less often than the Metroplex but with real size. Forty-six distinct hail days within ten miles since 2000, peaking in April — compare 80 for Dallas and 115 for Lubbock. The largest stone on record is 4.50 inches, measured by a trained spotter on April 26, 2023, a day on which the National Weather Service also recorded HVAC damage at Waco Regional Airport and golf-ball hail on the Baylor campus. Baseball-size hail around three and a quarter inches has been reported at Lorena.
Waco has better wind data than most cities because the airport runs a certified station. Four separate measured gusts of 73 mph or more are on record there, topping out at 77 mph in July 2010 — instrument readings, not estimates. The strongest estimate is 81 mph in East Waco on February 10, 2009, the night a restaurant roof near Baylor was blown off and twenty to thirty windows went out of an apartment building on Austin Avenue at 13th Street. Ninety-four wind reports across 56 distinct days since 2000.
Because of the tornado. On May 11, 1953 an F5 struck Waco and killed 114 people, and the reconstruction that followed is still the largest single building decade in the city — 16.6% of all housing units. Most Texas cities peaked much later. The practical consequence for a homeowner is that a substantial share of Waco housing is now seventy years old, frequently with plank decking, ventilation built to a standard nobody uses any more, and several roof cycles already behind it.
Waco sets a sound limit rather than a hard clock, at 85 dB(A) between 7:00 a.m. and 10:00 p.m. In practice that gives a roofing crew a full working day and then some. We still do not start noisy work at seven sharp without telling your neighbors first, because the rule permits it and goodwill does not.
Not through a private hauler at a residential address. Section 21-62 of the city code states that no solid waste permit will be issued for the collection or transportation of solid waste from any residential unit, single-family or multi-family. We should flag one grey area honestly: the related section reaches hauling “as a primary business,” and whether a roofing contractor hauling its own tear-off in its own truck falls inside that is not settled by the text. We confirm the arrangement with the city on each job rather than assuming.
Usually yes, and the decision hinges on what is under the shingles rather than the shingles themselves. Houses of that vintage often have plank decking rather than panel sheathing, which changes fastener holding, and ventilation well below what a modern roof assembly expects. We get on the roof, open it, photograph the deck and tell you what we actually found before anything goes back down. If the honest answer is that a repair buys you three good years, we will say that.
Call us at (469) 936-7663, or request your free estimate online — most inspections are scheduled within 24–48 hours.
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