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Map of FEMA flood zones in 77091Tap the map to explore

ZIP code · Flood risk

Check any address in 77091

Quick facts

In FEMA's 100-year zone

15%

1,124 of 7,410 single-family homes

Draft 2026 flood map

360 in, 184 out

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

Ground height

72 to 83 ft

Above sea level, for most homes in the ZIP

Harvey, 2017

At least 31 homes

In FEMA's Harvey damage model

FEMA aid after Harvey

4,438 requests

1,613 grants, median $500

Nearest bayou or channel

0.1 mi

Typical distance from a home

77091 and Harris County

ZIP 77091's figures beside Harris County's
77091Harris County
Single-family homes7,4101,154,353
In the 100-year zone15%8%
On the draft 2026 map18%11%
Moving into the zone36067,353

Frequently asked questions

Is 77091 in a flood zone?

1,124 of the 7,410 single-family homes in 77091 sit in FEMA's 100-year zone, or 15%. That is above the Harris County share of 8%.

Will the new flood map change 77091?

Harris County's draft 2026 map moves 360 single-family homes in 77091 into the 100-year zone and 184 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 77091 flood in Hurricane Harvey?

At least 31 single-family homes in 77091 are among the damaged in FEMA's Harvey model. FEMA also took 4,438 aid requests from the ZIP after the storm and made 1,613 grants, with a median of $500. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77091?

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.

77091 has 7,410 single-family homes on the Harris County appraisal roll. Most sit between 72 and 83 ft above sea level, and the typical home is 0.1 mi from the nearest bayou or drainage channel. On Harris County's draft 2026 map, 360 single-family homes move into the 100-year zone and 184 move out, which would put 18% of the ZIP in the zone, against 15% today. Until FEMA adopts the draft, today's map decides who must carry flood insurance.

Next door, 77037 has 46% of its single-family homes in the zone and 77076 has under 1%. FEMA's Harvey damage model counts at least 31 single-family homes here as damaged, and FEMA took 4,438 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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