Map of FEMA flood zones in 77447Tap the map to explore

ZIP code · Flood risk

Quick facts

In FEMA's 100-year zone

2%

256 of 10,916 single-family homes

Draft 2026 flood map

1,155 in, 44 out

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

Ground height

197 to 232 ft

Above sea level, for most homes in the ZIP

Harvey, 2017

At least 54 homes

In FEMA's Harvey damage model

FEMA aid after Harvey

649 requests

223 grants, median $500

Nearest bayou or channel

0.2 mi

Typical distance from a home

77447 and Harris County

ZIP 77447's figures beside Harris County's
77447Harris County
Single-family homes10,9161,154,353
In the 100-year zone2%8%
On the draft 2026 map13%11%
Moving into the zone1,15567,353

Frequently asked questions

Is 77447 in a flood zone?

256 of the 10,916 single-family homes in 77447 sit in FEMA's 100-year zone, or 2%. That is less than half the Harris County share of 8%.

Will the new flood map change 77447?

Harris County's draft 2026 map moves 1,155 single-family homes in 77447 into the 100-year zone and 44 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 77447 flood in Hurricane Harvey?

At least 54 single-family homes in 77447 are among the damaged in FEMA's Harvey model. FEMA also took 649 aid requests from the ZIP after the storm and made 223 grants, with a median of $500. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77447?

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.

77447 has 10,916 single-family homes on the county appraisal roll. Most sit between 197 and 232 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, 1,155 single-family homes move into the 100-year zone and 44 move out, which would put 13% of the ZIP in the zone, against 2% today. Until FEMA adopts the draft, today's map decides who must carry flood insurance.

Next door, 77433 has 6% of its single-family homes in the zone and 77484 has 1%. FEMA's Harvey damage model counts at least 54 single-family homes here as damaged, and FEMA took 649 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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