FloodMaps
Map of FEMA flood zones in 77566Tap the map to explore

ZIP code · Flood risk

Check any address in 77566

Quick facts

In FEMA's 100-year zone

13%

1,173 of 9,366 single-family homes

Ground height

10 to 20 ft

Above sea level, for most homes in the ZIP

FEMA aid after Harvey

2,565 requests

1,215 grants, median $500

Nearest creek or channel

0.1 mi

Typical distance from a home

77566 and Brazoria County

ZIP 77566's figures beside Brazoria County's
77566Brazoria County
Single-family homes9,366111,057
In the 100-year zone13%19%

Frequently asked questions

Is 77566 in a flood zone?

1,173 of the 9,366 single-family homes in 77566 sit in FEMA's 100-year zone, or 13%. That is below the Brazoria County share of 19%.

Will the new flood map change 77566?

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 77566 flood in Hurricane Harvey?

FEMA took 2,565 aid requests from the ZIP after the storm and made 1,215 grants, with a median of $500. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77566?

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.

77566 has 9,366 single-family homes on the county appraisal roll. Most sit between 10 and 20 ft above sea level, and the typical home is 0.1 mi from the nearest creek or drainage channel. 1,173 of them (13%) 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, 77422 has 54% of its single-family homes in the zone and 77515 has 24%. After Hurricane Harvey, FEMA took 2,565 aid requests from the ZIP and made 1,215 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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