FloodMaps
Map of FEMA flood zones in 77565Tap the map to explore

ZIP code · Flood risk

Check any address in 77565

Quick facts

In FEMA's 100-year zone

67%

1,734 of 2,605 single-family homes

Ground height

7 to 18 ft

Above sea level, for most homes in the ZIP

FEMA aid after Harvey

638 requests

196 grants, median $856

Nearest creek or channel

0.7 mi

Typical distance from a home

77565 and Galveston County

ZIP 77565's figures beside Galveston County's
77565Galveston County
Single-family homes2,605117,997
In the 100-year zone67%33%
Typical ground height13 ft16 ft
Typical distance to a creek0.7 mi0.2 mi

Frequently asked questions

Is 77565 in a flood zone?

1,734 of the 2,605 single-family homes in 77565 sit in FEMA's 100-year zone, or 67%. That is more than twice the Galveston County share of 33%.

Will the new flood map change 77565?

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 77565 flood in Hurricane Harvey?

FEMA took 638 aid requests from the ZIP after the storm and made 196 grants, with a median of $856. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77565?

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.

77565 has 2,605 single-family homes on the county appraisal roll. Most sit between 7 and 18 ft above sea level, and the typical home is 0.7 mi from the nearest creek or drainage channel. 1,734 of them (67%) 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, 77586 has 65% of its single-family homes in the zone and 77518 has 3%. After Hurricane Harvey, FEMA took 638 aid requests from the ZIP and made 196 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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