ZIP code · Flood risk
Check any address in 77450
Quick facts
In FEMA's 100-year zone
Under 1%
4 of 19,930 single-family homes
Ground height
100 to 124 ft
Above sea level, for most homes in the ZIP
Harvey, 2017
At least 58 homes
In FEMA's Harvey damage model
FEMA aid after Harvey
6,648 requests
4,097 grants, median $5,220
Nearest bayou or channel
0.2 mi
Typical distance from a home
77450 and Harris County
| 77450 | Harris County | |
|---|---|---|
| Single-family homes | 19,930 | 1,154,353 |
| In the 100-year zone | Under 1% | 8% |
| Typical ground height | 109 ft | 73 ft |
| Typical distance to a creek | 0.2 mi | 0.2 mi |
Frequently asked questions
Is 77450 in a flood zone?
4 of the 19,930 single-family homes in 77450 sit in FEMA's 100-year zone, or under 1%. That is less than half the Harris County share of 8%.
Will the new flood map change 77450?
Harris County's draft 2026 map covers only part of 77450, so this page doesn't count its changes. Search an address to see whether the draft changes that home's zone.
Did 77450 flood in Hurricane Harvey?
At least 58 single-family homes in 77450 are among the damaged in FEMA's Harvey model. FEMA also took 6,648 aid requests from the ZIP after the storm and made 4,097 grants, with a median of $5,220. A FloodMaps report shows a single address's Harvey record.
How do I check a home in 77450?
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.
77450 has 19,930 single-family homes on the county appraisal roll. Most sit between 100 and 124 ft above sea level, and the typical home is 0.2 mi from the nearest bayou or drainage channel. 4 of them (under 1%) are in FEMA's 100-year zone today.
Next door, 77082 has 32% of its single-family homes in the zone and 77407 has under 1%. FEMA's Harvey damage model counts at least 58 single-family homes here as damaged, and FEMA took 6,648 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 as it 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.
Nearby Flood Maps
Flood News & Updates
- FEMA's Flood Maps Miss 200,000+ High-Risk Harris County Properties. Here's What the Texas A&M Study Found.
- The Government Just Stopped Fighting the Addicks-Barker Flood Case. Here's Why That's a Big Deal.
- Nine Years After Harvey: What Houston Built, What It Hasn't, and What the New Flood Maps Say
- Houston's New FEMA Flood Maps: Where the Update Actually Stands (September 2026)
- All flood news and updates →