FloodMaps
Map of FEMA flood zones in 77577Tap the map to explore

ZIP code · Flood risk

Check any address in 77577

Quick facts

In FEMA's 100-year zone

60%

196 of 325 single-family homes

Ground height

7 to 21 ft

Above sea level, for most homes in the ZIP

FEMA aid after Harvey

278 requests

171 grants, median $4,711

Nearest creek or channel

0.1 mi

Typical distance from a home

77577 and Brazoria County

ZIP 77577's figures beside Brazoria County's
77577Brazoria County
Single-family homes325111,057
In the 100-year zone60%19%

Frequently asked questions

Is 77577 in a flood zone?

196 of the 325 single-family homes in 77577 sit in FEMA's 100-year zone, or 60%. That is more than twice the Brazoria County share of 19%.

Will the new flood map change 77577?

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

Did 77577 flood in Hurricane Harvey?

FEMA took 278 aid requests from the ZIP after the storm and made 171 grants, with a median of $4,711. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77577?

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.

77577 has 325 single-family homes on the county appraisal roll. Most sit between 7 and 21 ft above sea level, and the typical home is 0.1 mi from the nearest creek or drainage channel. 196 of them (60%) are in FEMA's 100-year zone today. Brazoria 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 77534 has 12%. After Hurricane Harvey, FEMA took 278 aid requests from the ZIP and made 171 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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