FloodMaps
Map of FEMA flood zones in 77511Tap the map to explore

ZIP code · Flood risk

Check any address in 77511

Quick facts

In FEMA's 100-year zone

28%

3,182 of 11,331 single-family homes

Ground height

30 to 43 ft

Above sea level, for most homes in the ZIP

FEMA aid after Harvey

5,358 requests

2,578 grants, median $2,448

Nearest creek or channel

0.2 mi

Typical distance from a home

77511 and Brazoria County

ZIP 77511's figures beside Brazoria County's
77511Brazoria County
Single-family homes11,331111,057
In the 100-year zone28%19%

Frequently asked questions

Is 77511 in a flood zone?

3,182 of the 11,331 single-family homes in 77511 sit in FEMA's 100-year zone, or 28%. That is above the Brazoria County share of 19%.

Will the new flood map change 77511?

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 77511 flood in Hurricane Harvey?

FEMA took 5,358 aid requests from the ZIP after the storm and made 2,578 grants, with a median of $2,448. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77511?

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.

77511 has 11,331 single-family homes on the county appraisal roll. Most sit between 30 and 43 ft above sea level, and the typical home is 0.2 mi from the nearest creek or drainage channel. 3,182 of them (28%) 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, 77577 has 60% of its single-family homes in the zone and 77517 has 1%. After Hurricane Harvey, FEMA took 5,358 aid requests from the ZIP and made 2,578 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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