FloodMaps
Map of FEMA flood zones in 77523Tap the map to explore

ZIP code · Flood risk

Check any address in 77523

Quick facts

In FEMA's 100-year zone

11%

32 of 291 single-family homes

Draft 2026 flood map

0 in, 3 out

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

Ground height

15 to 19 ft

Above sea level, for most homes in the ZIP

FEMA aid after Harvey

2,822 requests

1,473 grants, median $4,654

Nearest bayou or channel

0.2 mi

Typical distance from a home

77523 and Harris County

ZIP 77523's figures beside Harris County's
77523Harris County
Single-family homes2911,154,353
In the 100-year zone11%8%
On the draft 2026 map10%11%
Moving into the zone067,353

Frequently asked questions

Is 77523 in a flood zone?

32 of the 291 single-family homes in 77523 sit in FEMA's 100-year zone, or 11%. That is above the Harris County share of 8%.

Will the new flood map change 77523?

Harris County's draft 2026 map moves 3 single-family homes in 77523 out of the 100-year zone. It's a draft, not FEMA's map, so today's zones set insurance requirements until FEMA adopts a new one.

Did 77523 flood in Hurricane Harvey?

FEMA took 2,822 aid requests from the ZIP after the storm and made 1,473 grants, with a median of $4,654. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77523?

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.

77523 has 291 single-family homes on the Harris County appraisal roll. Most sit between 15 and 19 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, 3 single-family homes move out of the 100-year zone, which would put 10% of the ZIP in the zone, against 11% today. Until FEMA adopts the draft, today's map decides who must carry flood insurance.

Next door, 77520 has 5% of its single-family homes in the zone and 77521 has 2%. After Hurricane Harvey, FEMA took 2,822 aid requests from the ZIP and made 1,473 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.

Nearby Flood Maps

Flood News & Updates