ZIP code · Flood risk
In FEMA's 100-year zone
6%
2,577 of 42,282 single-family homes
Draft 2026 flood map
5,676 in, 716 out
Single-family homes moving into or out of the 100-year zone
Ground height
137 to 183 ft
Above sea level, for most homes in the ZIP
Harvey, 2017
At least 2,064 homes
In FEMA's Harvey damage model
FEMA aid after Harvey
4,192 requests
1,380 grants, median $500
Nearest bayou or channel
0.2 mi
Typical distance from a home
| 77433 | Harris County | |
|---|---|---|
| Single-family homes | 42,282 | 1,154,353 |
| In the 100-year zone | 6% | 8% |
| On the draft 2026 map | 18% | 11% |
| Moving into the zone | 5,676 | 67,353 |
2,577 of the 42,282 single-family homes in 77433 sit in FEMA's 100-year zone, or 6%. That is below the Harris County share of 8%.
Harris County's draft 2026 map moves 5,676 single-family homes in 77433 into the 100-year zone and 716 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 2,064 single-family homes in 77433 are among the damaged in FEMA's Harvey model. FEMA also took 4,192 aid requests from the ZIP after the storm and made 1,380 grants, with a median of $500. 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.
77433 has 42,282 single-family homes on the Harris County appraisal roll. Most sit between 137 and 183 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, 5,676 single-family homes move into the 100-year zone and 716 move out, which would put 18% of the ZIP in the zone, against 6% today. Until FEMA adopts the draft, today's map decides who must carry flood insurance.
Next door, 77084 has 4% of its single-family homes in the zone and 77095 has under 1%. FEMA's Harvey damage model counts at least 2,064 single-family homes here as damaged, and FEMA took 4,192 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.