Flood zones for vacant land in Del Sur

Of the 3,526 vacant lots in Del Sur, 329 (9%) are in a FEMA high-risk flood zone, where a home loan on a new building needs flood insurance. 2,463 (70%) are in zone X with minimal risk, and 710 are moderate risk. 24 are zone D, where flood risk has not been studied.

Flood zones in Del Sur

FEMA zoneVacant lotsShare
X3,17390%
A3299%
D24under 1%

What the letters mean: flood zones explained.

Lots in a high-risk flood zone in Del Sur

Lots outside the flood zone in Del Sur

Questions about land in Del Sur

How much vacant land in Del Sur is in a flood zone?

329 of 3,526 vacant lots in Del Sur (9%) are in a FEMA high-risk flood zone (A, AE, AH, AO or VE). 2,463 are zone X with minimal risk and 710 are moderate risk. 24 are zone D, where flood risk has not been studied.

Do I need flood insurance for land in Del Sur?

Not for an empty lot: flood insurance covers buildings. If you build in a high-risk zone and borrow from a federally regulated lender, flood insurance on the building is required. 9% of Del Sur's vacant lots are in such a zone.

More for Del Sur: all vacant land · fire hazard zones

Sources

Counts are LandGrab's analysis of 2026 public data for vacant parcels in Los Angeles County, updated 2026-10-18. Maps change; confirm a specific lot with the county before you buy.