FloodMaps
Map of FEMA flood zones in 77303Tap the map to explore

ZIP code · Flood risk

Check any address in 77303

Quick facts

In FEMA's 100-year zone

2%

136 of 6,731 single-family homes

Ground height

211 to 279 ft

Above sea level, for most homes in the ZIP

FEMA aid after Harvey

560 requests

146 grants, median $500

Nearest creek or channel

0.2 mi

Typical distance from a home

77303 and Montgomery County

ZIP 77303's figures beside Montgomery County's
77303Montgomery County
Single-family homes6,731216,449
In the 100-year zone2%3%
Typical ground height246 ft172 ft
Typical distance to a creek0.2 mi0.2 mi

Frequently asked questions

Is 77303 in a flood zone?

136 of the 6,731 single-family homes in 77303 sit in FEMA's 100-year zone, or 2%. That is below the Montgomery County share of 3%.

Will the new flood map change 77303?

Montgomery County has no draft map we track, so the zones on this page are FEMA's current map, which sets flood insurance requirements.

Did 77303 flood in Hurricane Harvey?

FEMA took 560 aid requests from the ZIP after the storm and made 146 grants, with a median of $500. A FloodMaps report shows a single address's Harvey record.

How do I check a home in 77303?

Search the address above for a free check of its FEMA flood zone 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.

77303 has 6,731 single-family homes on the county appraisal roll. Most sit between 211 and 279 ft above sea level, and the typical home is 0.2 mi from the nearest creek or drainage channel. 136 of them (2%) are in FEMA's 100-year zone today. Montgomery County has no draft map we track, so FEMA's current map sets flood insurance requirements here.

Next door, 77306 has 7% of its single-family homes in the zone and 77378 has 1%. After Hurricane Harvey, FEMA took 560 aid requests from the ZIP and made 146 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 as it stood on October 13, 2026. FEMA aid is Individual Assistance requests and grants after Harvey, by ZIP.

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