ZIP code · Flood risk
In FEMA's 100-year zone
1%
20 of 3,800 single-family homes
Draft 2026 flood map
399 in, 3 out
Single-family homes moving into or out of the 100-year zone
Ground height
35 to 38 ft
Above sea level, for most homes in the ZIP
FEMA aid after Harvey
2,389 requests
957 grants, median $2,007
Nearest bayou or channel
0.3 mi
Typical distance from a home
| 77504 | Harris County | |
|---|---|---|
| Single-family homes | 3,800 | 1,154,353 |
| In the 100-year zone | 1% | 8% |
| On the draft 2026 map | 11% | 11% |
| Moving into the zone | 399 | 67,353 |
20 of the 3,800 single-family homes in 77504 sit in FEMA's 100-year zone, or 1%. That is less than half the Harris County share of 8%.
Harris County's draft 2026 map moves 399 single-family homes in 77504 into the 100-year zone and 3 out of it. It's a draft, not FEMA's map, so today's zones set insurance requirements until FEMA adopts a new one.
FEMA took 2,389 aid requests from the ZIP after the storm and made 957 grants, with a median of $2,007. 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.
77504 has 3,800 single-family homes on the Harris County appraisal roll. Most sit between 35 and 38 ft above sea level, and the typical home is 0.3 mi from the nearest bayou or drainage channel. On Harris County's draft 2026 map, 399 single-family homes move into the 100-year zone and 3 move out, which would put 11% 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, 77587 has 20% of its single-family homes in the zone and 77503 has 1%. After Hurricane Harvey, FEMA took 2,389 aid requests from the ZIP and made 957 grants.
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. FEMA aid is Individual Assistance requests and grants after Harvey, by ZIP.