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Harris County · outside TWIA

Roofing and Siding in Nassau Bay, TX

Nassau Bay sits on the north shore of Clear Lake, across NASA Parkway from the space center. Some of its houses are closer to the water than parts of League City. It is still outside the windstorm program, because the test is the county and the highway, not the shoreline.

Nassau Bay is in Harris County, and outside TWIA. Harris County is TWIA-eligible only east of State Highway 146, and Nassau Bay sits west of it. A re-roof here is not built for a WPI-8 windstorm certificate, and nothing on this page assumes one.

Close to the Water, Outside the Rule

It surprises people. Harris County is TWIA-eligible only east of SH 146, and TDI’s list of Harris County cities in the program does not include Nassau Bay. So a waterfront Nassau Bay re-roof has no windstorm inspection, even though a house farther inland in League City does.

Build It as if It Were Inspected Anyway

The wind off Clear Lake does not read county lines. Fastening, underlayment and edge details matter just as much on a Nassau Bay roof. A contractor who works both sides of the lake can build to the same standard here without the paperwork.

Siding

Nassau Bay’s housing is mostly older than League City’s newer sections, so hardboard and wood siding turn up more often than on the south side of the lake.

Asked in Nassau Bay

  1. Does a Nassau Bay roof need a WPI-8?

    No. Nassau Bay is in Harris County, west of SH 146, and not on TDI’s list.

  2. Should the roof be built to windstorm code anyway?

    Nothing requires it. Building to that standard is a reasonable choice for a waterfront house.

  3. Does this site know Nassau Bay’s permit rules?

    No. Ask the City.

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