10515 Londonderry Drive

• Heights

  Heights above sea level. Ground is from lidar. The first floor is our estimate from the foundation, not a survey. The flood line is how high FEMA expects water in a 1% annual chance flood. Ground and floor as of Oct 13, 2026. Flood line as of Oct 17, 2026.

  Ground 90.1 ft · first floor 91.3 ft · FEMA flood line 86.0 ft

• Flood map

  Share of land within ¼ mile in the floodway or an A zone such as AE, where lenders require flood insurance. Distance is from the county's point for the home to the nearest high-risk land. As of Oct 17, 2026.

  1% of land within ¼ mile is high-risk, the nearest 750 ft away

• Harvey nearby

  Single-family homes within ¼ mile in FEMA's Harvey damage estimate. A model estimate, not an inspection or a measured depth. As of Mar 4, 2026.

  0 of 280 nearby homes took water

• Harvey aid

  Every request for FEMA aid after Harvey from a damaged home in this ZIP. FEMA doesn't publish Harvey water depths or damage, so this shows what it paid. As of Oct 2, 2026.

  363 of 1,208 aid requests in 77043 got a FEMA grant

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