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Map of FEMA flood zones in 77023Tap the map to explore

ZIP code · Flood risk

Check any address in 77023

Quick facts

In FEMA's 100-year zone

3%

151 of 5,779 single-family homes

Draft 2026 flood map

7 in, 86 out

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

Ground height

32 to 37 ft

Above sea level, for most homes in the ZIP

Harvey, 2017

At least 12 homes

In FEMA's Harvey damage model

FEMA aid after Harvey

1,697 requests

496 grants, median $500

Nearest bayou or channel

0.3 mi

Typical distance from a home

77023 and Harris County

ZIP 77023's figures beside Harris County's
77023Harris County
Single-family homes5,7791,154,353
In the 100-year zone3%8%
On the draft 2026 map1%11%
Moving into the zone767,353

Frequently asked questions

Is 77023 in a flood zone?

151 of the 5,779 single-family homes in 77023 sit in FEMA's 100-year zone, or 3%. That is less than half the Harris County share of 8%.

Will the new flood map change 77023?

Harris County's draft 2026 map moves 7 single-family homes in 77023 into the 100-year zone and 86 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 77023 flood in Hurricane Harvey?

At least 12 single-family homes in 77023 are among the damaged in FEMA's Harvey model. FEMA also took 1,697 aid requests from the ZIP after the storm and made 496 grants, with a median of $500. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77023?

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.

77023 has 5,779 single-family homes on the Harris County appraisal roll. Most sit between 32 and 37 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, 7 single-family homes move into the 100-year zone and 86 move out, which would put 1% of the ZIP in the zone, against 3% today. Until FEMA adopts the draft, today's map decides who must carry flood insurance.

Next door, 77033 has 16% of its single-family homes in the zone and 77003 has none. FEMA's Harvey damage model counts at least 12 single-family homes here as damaged, and FEMA took 1,697 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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