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Map of FEMA flood zones in 77571Tap the map to explore

ZIP code · Flood risk

Check any address in 77571

Quick facts

In FEMA's 100-year zone

20%

2,475 of 12,405 single-family homes

Draft 2026 flood map

768 in, 218 out

Single-family homes moving into or out of the 100-year zone

Ground height

11 to 25 ft

Above sea level, for most homes in the ZIP

Harvey, 2017

At least 24 homes

In FEMA's Harvey damage model

FEMA aid after Harvey

2,875 requests

1,027 grants, median $500

Nearest bayou or channel

0.2 mi

Typical distance from a home

77571 and Harris County

ZIP 77571's figures beside Harris County's
77571Harris County
Single-family homes12,4051,154,353
In the 100-year zone20%8%
On the draft 2026 map24%11%
Moving into the zone76867,353

Frequently asked questions

Is 77571 in a flood zone?

2,475 of the 12,405 single-family homes in 77571 sit in FEMA's 100-year zone, or 20%. That is more than twice the Harris County share of 8%.

Will the new flood map change 77571?

Harris County's draft 2026 map moves 768 single-family homes in 77571 into the 100-year zone and 218 out of it. It's a draft, not FEMA's map, so today's zones set insurance requirements until FEMA adopts a new one.

Did 77571 flood in Hurricane Harvey?

At least 24 single-family homes in 77571 are among the damaged in FEMA's Harvey model. FEMA also took 2,875 aid requests from the ZIP after the storm and made 1,027 grants, with a median of $500. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77571?

Search the address above for a free check of its FEMA flood zone, its zone on the draft 2026 map, 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.

77571 has 12,405 single-family homes on the Harris County appraisal roll. Most sit between 11 and 25 ft above sea level, and the typical home is 0.2 mi from the nearest bayou or drainage channel. On Harris County's draft 2026 map, 768 single-family homes move into the 100-year zone and 218 move out, which would put 24% of the ZIP in the zone, against 20% today. Until FEMA adopts the draft, today's map decides who must carry flood insurance.

Next door, 77586 has 65% of its single-family homes in the zone and 77503 has 1%. FEMA's Harvey damage model counts at least 24 single-family homes here as damaged, and FEMA took 2,875 aid requests from the ZIP after the storm.

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 and Harris County's draft 2026 map as they stood on October 13, 2026. Harvey damage is FEMA's modeled damage for the 2017 storm, with each home counted once. FEMA aid is Individual Assistance requests and grants after Harvey, by ZIP.

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