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Map of FEMA flood zones in 77031Tap the map to explore

ZIP code · Flood risk

Check any address in 77031

Quick facts

In FEMA's 100-year zone

1%

18 of 2,914 single-family homes

Draft 2026 flood map

388 in, 0 out

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

Ground height

67 to 72 ft

Above sea level, for most homes in the ZIP

Harvey, 2017

At least 7 homes

In FEMA's Harvey damage model

FEMA aid after Harvey

1,526 requests

423 grants, median $500

Nearest bayou or channel

0.2 mi

Typical distance from a home

77031 and Harris County

ZIP 77031's figures beside Harris County's
77031Harris County
Single-family homes2,9141,154,353
In the 100-year zone1%8%
On the draft 2026 map14%11%
Moving into the zone38867,353

Frequently asked questions

Is 77031 in a flood zone?

18 of the 2,914 single-family homes in 77031 sit in FEMA's 100-year zone, or 1%. That is less than half the Harris County share of 8%.

Will the new flood map change 77031?

Harris County's draft 2026 map moves 388 single-family homes in 77031 into the 100-year zone. It's a draft, not FEMA's map, so today's zones set insurance requirements until FEMA adopts a new one.

Did 77031 flood in Hurricane Harvey?

At least 7 single-family homes in 77031 are among the damaged in FEMA's Harvey model. FEMA also took 1,526 aid requests from the ZIP after the storm and made 423 grants, with a median of $500. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77031?

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.

77031 has 2,914 single-family homes on the county appraisal roll. Most sit between 67 and 72 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, 388 single-family homes move into the 100-year zone, which would put 14% of the ZIP in the zone, against 1% today. Until FEMA adopts the draft, today's map decides who must carry flood insurance.

Next door, 77074 has 57% of its single-family homes in the zone and 77477 has none. FEMA's Harvey damage model counts at least 7 single-family homes here as damaged, and FEMA took 1,526 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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