FloodMaps
Map of FEMA flood zones in 77546Tap the map to explore

ZIP code · Flood risk

Check any address in 77546

Quick facts

In FEMA's 100-year zone

7%

1,131 of 17,097 single-family homes

Ground height

23 to 34 ft

Above sea level, for most homes in the ZIP

FEMA aid after Harvey

5,077 requests

2,685 grants, median $2,632

Nearest creek or channel

0.2 mi

Typical distance from a home

77546 and Galveston County

ZIP 77546's figures beside Galveston County's
77546Galveston County
Single-family homes17,099117,997
In the 100-year zone7%33%
Typical ground height29 ft16 ft
Typical distance to a creek0.2 mi0.2 mi

Frequently asked questions

Is 77546 in a flood zone?

1,131 of the 17,097 single-family homes in 77546 sit in FEMA's 100-year zone, or 7%. That is less than half the Galveston County share of 33%.

Will the new flood map change 77546?

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 77546 flood in Hurricane Harvey?

FEMA took 5,077 aid requests from the ZIP after the storm and made 2,685 grants, with a median of $2,632. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77546?

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.

77546 has 17,099 single-family homes on the county appraisal roll. Most sit between 23 and 34 ft above sea level, and the typical home is 0.2 mi from the nearest creek or drainage channel. 1,131 of them (7%) 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, 77511 has 28% of its single-family homes in the zone and 77598 has 8%. After Hurricane Harvey, FEMA took 5,077 aid requests from the ZIP and made 2,685 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.

Nearby Flood Maps

Flood News & Updates