FloodMaps
Map of FEMA flood zones in 77584Tap the map to explore

ZIP code · Flood risk

Check any address in 77584

Quick facts

In FEMA's 100-year zone

5%

1,249 of 23,554 single-family homes

Ground height

49 to 64 ft

Above sea level, for most homes in the ZIP

FEMA aid after Harvey

5,891 requests

1,869 grants, median $500

Nearest creek or channel

0.1 mi

Typical distance from a home

77584 and Brazoria County

ZIP 77584's figures beside Brazoria County's
77584Brazoria County
Single-family homes23,554111,057
In the 100-year zone5%19%

Frequently asked questions

Is 77584 in a flood zone?

1,249 of the 23,554 single-family homes in 77584 sit in FEMA's 100-year zone, or 5%. That is less than half the Brazoria County share of 19%.

Will the new flood map change 77584?

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 77584 flood in Hurricane Harvey?

FEMA took 5,891 aid requests from the ZIP after the storm and made 1,869 grants, with a median of $500. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77584?

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.

77584 has 23,554 single-family homes on the county appraisal roll. Most sit between 49 and 64 ft above sea level, and the typical home is 0.1 mi from the nearest creek or drainage channel. 1,249 of them (5%) 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 77545 has 1%. After Hurricane Harvey, FEMA took 5,891 aid requests from the ZIP and made 1,869 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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