FloodMaps
Map of FEMA flood zones in 77518Tap the map to explore

ZIP code · Flood risk

Check any address in 77518

Quick facts

In FEMA's 100-year zone

3%

63 of 2,436 single-family homes

Ground height

13 to 16 ft

Above sea level, for most homes in the ZIP

FEMA aid after Harvey

1,468 requests

670 grants, median $2,348

Nearest creek or channel

0.3 mi

Typical distance from a home

77518 and Galveston County

ZIP 77518's figures beside Galveston County's
77518Galveston County
Single-family homes2,436117,997
In the 100-year zone3%33%
Typical ground height15 ft16 ft
Typical distance to a creek0.3 mi0.2 mi

Frequently asked questions

Is 77518 in a flood zone?

63 of the 2,436 single-family homes in 77518 sit in FEMA's 100-year zone, or 3%. That is less than half the Galveston County share of 33%.

Will the new flood map change 77518?

Galveston County has no draft map we track, so the zones on this page are FEMA's current map, which sets flood insurance requirements.

Did 77518 flood in Hurricane Harvey?

FEMA took 1,468 aid requests from the ZIP after the storm and made 670 grants, with a median of $2,348. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77518?

Search the address above for a free check of its FEMA flood zone and its ground height. For the full picture, including Harvey records, flood depth modeling, and an AI summary written from the home's own data, upgrade to a Premium Report starting at $7.

77518 has 2,436 single-family homes on the county appraisal roll. Most sit between 13 and 16 ft above sea level, and the typical home is 0.3 mi from the nearest creek or drainage channel. 63 of them (3%) are in FEMA's 100-year zone today. Galveston County has no draft map we track, so FEMA's current map sets flood insurance requirements here.

Next door, 77565 has 67% of its single-family homes in the zone and 77573 has 10%. After Hurricane Harvey, FEMA took 1,468 aid requests from the ZIP and made 670 grants.

Compiled by FloodMaps from FEMA and county records. Flood-zone counts are single-family homes on the county appraisal rolls, placed on FEMA's flood map as it stood on October 13, 2026. FEMA aid is Individual Assistance requests and grants after Harvey, by ZIP.

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