FloodMaps
Map of FEMA flood zones in 77617Tap the map to explore

ZIP code · Flood risk

Check any address in 77617

Quick facts

In FEMA's 100-year zone

99%

413 of 418 single-family homes

Ground height

4 to 8 ft

Above sea level, for most homes in the ZIP

FEMA aid after Harvey

29 requests

8 grants, median $1,742

Nearest creek or channel

0.2 mi

Typical distance from a home

77617 and Galveston County

ZIP 77617's figures beside Galveston County's
77617Galveston County
Single-family homes418117,997
In the 100-year zone99%33%
Typical ground height6 ft16 ft
Typical distance to a creek0.2 mi0.2 mi

Frequently asked questions

Is 77617 in a flood zone?

413 of the 418 single-family homes in 77617 sit in FEMA's 100-year zone, or 99%. That is more than twice the Galveston County share of 33%.

Will the new flood map change 77617?

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 77617 flood in Hurricane Harvey?

FEMA took 29 aid requests from the ZIP after the storm and made 8 grants, with a median of $1,742. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77617?

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.

77617 has 418 single-family homes on the county appraisal roll. Most sit between 4 and 8 ft above sea level, and the typical home is 0.2 mi from the nearest creek or drainage channel. 413 of them (99%) 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.

After Hurricane Harvey, FEMA took 29 aid requests from the ZIP and made 8 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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