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Map of FEMA flood zones in 77586Tap the map to explore

ZIP code · Flood risk

Check any address in 77586

Quick facts

In FEMA's 100-year zone

65%

4,569 of 7,041 single-family homes

Draft 2026 flood map

2 in, 4 out

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

Ground height

10 to 15 ft

Above sea level, for most homes in the ZIP

Harvey, 2017

At least 74 homes

In FEMA's Harvey damage model

FEMA aid after Harvey

1,307 requests

391 grants, median $500

Nearest bayou or channel

0.3 mi

Typical distance from a home

77586 and Harris County

ZIP 77586's figures beside Harris County's
77586Harris County
Single-family homes7,0411,154,353
In the 100-year zone65%8%
On the draft 2026 map65%11%
Moving into the zone267,353

Frequently asked questions

Is 77586 in a flood zone?

4,569 of the 7,041 single-family homes in 77586 sit in FEMA's 100-year zone, or 65%. That is more than twice the Harris County share of 8%.

Will the new flood map change 77586?

Harris County's draft 2026 map moves 2 single-family homes in 77586 into the 100-year zone and 4 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 77586 flood in Hurricane Harvey?

At least 74 single-family homes in 77586 are among the damaged in FEMA's Harvey model. FEMA also took 1,307 aid requests from the ZIP after the storm and made 391 grants, with a median of $500. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77586?

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.

77586 has 7,041 single-family homes on the Harris County appraisal roll. Most sit between 10 and 15 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, 2 single-family homes move into the 100-year zone and 4 move out, which would put 65% of the ZIP in the zone, against 65% today. Until FEMA adopts the draft, today's map decides who must carry flood insurance.

Next door, 77565 has 67% of its single-family homes in the zone and 77059 has 5%. FEMA's Harvey damage model counts at least 74 single-family homes here as damaged, and FEMA took 1,307 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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