ZIP code · Flood risk
In FEMA's 100-year zone
82%
5,043 of 6,145 single-family homes
Draft 2026 flood map
11 in, 2,937 out
Single-family homes moving into or out of the 100-year zone
Ground height
51 to 55 ft
Above sea level, for most homes in the ZIP
Harvey, 2017
At least 1,939 homes
In FEMA's Harvey damage model
FEMA aid after Harvey
2,255 requests
1,426 grants, median $2,608
Nearest bayou or channel
0.7 mi
Typical distance from a home
| 77401 | Harris County | |
|---|---|---|
| Single-family homes | 6,145 | 1,154,353 |
| In the 100-year zone | 82% | 8% |
| On the draft 2026 map | 34% | 11% |
| Moving into the zone | 11 | 67,353 |
5,043 of the 6,145 single-family homes in 77401 sit in FEMA's 100-year zone, or 82%. That is more than twice the Harris County share of 8%.
Harris County's draft 2026 map moves 11 single-family homes in 77401 into the 100-year zone and 2,937 out of it. It's a draft, not FEMA's map, so today's zones set insurance requirements until FEMA adopts a new one.
At least 1,939 single-family homes in 77401 are among the damaged in FEMA's Harvey model. FEMA also took 2,255 aid requests from the ZIP after the storm and made 1,426 grants, with a median of $2,608. A FloodMaps report shows a single address's Harvey record.
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.
77401 has 6,145 single-family homes on the Harris County appraisal roll. Most sit between 51 and 55 ft above sea level, and the typical home is 0.7 mi from the nearest bayou or drainage channel. On Harris County's draft 2026 map, 11 single-family homes move into the 100-year zone and 2,937 move out, which would put 34% of the ZIP in the zone, against 82% today. Until FEMA adopts the draft, today's map decides who must carry flood insurance.
Next door, 77096 has 63% of its single-family homes in the zone and 77027 has 1%. FEMA's Harvey damage model counts at least 1,939 single-family homes here as damaged, and FEMA took 2,255 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.