FloodMaps
Map of FEMA flood zones in 77018Tap the map to explore

ZIP code · Flood risk

Check any address in 77018

Quick facts

In FEMA's 100-year zone

8%

880 of 11,163 single-family homes

Draft 2026 flood map

334 in, 94 out

Single-family homes moving into or out of the 100-year zone

Ground height

63 to 79 ft

Above sea level, for most homes in the ZIP

Harvey, 2017

At least 16 homes

In FEMA's Harvey damage model

FEMA aid after Harvey

1,624 requests

575 grants, median $517

Nearest bayou or channel

0.4 mi

Typical distance from a home

77018 and Harris County

ZIP 77018's figures beside Harris County's
77018Harris County
Single-family homes11,1631,154,353
In the 100-year zone8%8%
On the draft 2026 map10%11%
Moving into the zone33467,353

Frequently asked questions

Is 77018 in a flood zone?

880 of the 11,163 single-family homes in 77018 sit in FEMA's 100-year zone, or 8%. That is close to the Harris County share of 8%.

Will the new flood map change 77018?

Harris County's draft 2026 map moves 334 single-family homes in 77018 into the 100-year zone and 94 out of it. It's a draft, not FEMA's map, so today's zones set insurance requirements until FEMA adopts a new one.

Did 77018 flood in Hurricane Harvey?

At least 16 single-family homes in 77018 are among the damaged in FEMA's Harvey model. FEMA also took 1,624 aid requests from the ZIP after the storm and made 575 grants, with a median of $517. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77018?

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.

77018 has 11,163 single-family homes on the Harris County appraisal roll. Most sit between 63 and 79 ft above sea level, and the typical home is 0.4 mi from the nearest bayou or drainage channel. On Harris County's draft 2026 map, 334 single-family homes move into the 100-year zone and 94 move out, which would put 10% of the ZIP in the zone, against 8% today. Until FEMA adopts the draft, today's map decides who must carry flood insurance.

Next door, 77022 has 22% of its single-family homes in the zone and 77009 has 1%. FEMA's Harvey damage model counts at least 16 single-family homes here as damaged, and FEMA took 1,624 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.

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