ZIP code · Flood risk
In FEMA's 100-year zone
2%
277 of 12,301 single-family homes
Draft 2026 flood map
58 in, 200 out
Single-family homes moving into or out of the 100-year zone
Ground height
126 to 156 ft
Above sea level, for most homes in the ZIP
Harvey, 2017
At least 1,239 homes
In FEMA's Harvey damage model
FEMA aid after Harvey
1,086 requests
452 grants, median $1,594
Nearest bayou or channel
0.2 mi
Typical distance from a home
| 77389 | Harris County | |
|---|---|---|
| Single-family homes | 12,301 | 1,154,353 |
| In the 100-year zone | 2% | 8% |
| On the draft 2026 map | 1% | 11% |
| Moving into the zone | 58 | 67,353 |
277 of the 12,301 single-family homes in 77389 sit in FEMA's 100-year zone, or 2%. That is less than half the Harris County share of 8%.
Harris County's draft 2026 map moves 58 single-family homes in 77389 into the 100-year zone and 200 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 1,239 single-family homes in 77389 are among the damaged in FEMA's Harvey model. FEMA also took 1,086 aid requests from the ZIP after the storm and made 452 grants, with a median of $1,594. 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.
77389 has 12,301 single-family homes on the county appraisal roll. Most sit between 126 and 156 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, 58 single-family homes move into the 100-year zone and 200 move out, which would put 1% 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, 77380 has 5% of its single-family homes in the zone and 77382 has under 1%. FEMA's Harvey damage model counts at least 1,239 single-family homes here as damaged, and FEMA took 1,086 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.