Flood zones for vacant land in Mount Gleason
Of the 80 vacant lots in Mount Gleason, 4 (5%) are in a FEMA high-risk flood zone, where a home loan on a new building needs flood insurance. 49 (61%) are in zone X with minimal risk, and 1 are moderate risk. 26 are zone D, where flood risk has not been studied.
Flood zones in Mount Gleason
| FEMA zone | Vacant lots | Share |
|---|---|---|
| X | 50 | 63% |
| D | 26 | 33% |
| A | 3 | 4% |
| AE | 1 | 1% |
What the letters mean: flood zones explained.
Lots in a high-risk flood zone in Mount Gleason
Zones A, AE, AH, AO and VE, lowest assessed value first.
| Lot | Acres | Assessed | Zone |
|---|---|---|---|
| 1mi S Forest Ridge Rd3058-003-001 | 1.01 | $13,026 | A |
| Crown Valley Rd near W Seclusion3209-001-024 | 5.04 | $17,233 | AE |
| APN 3058-003-0193058-003-019 | 22.84 | $52,222 | A |
| Af Hwy near Mt Emma Rd3058-002-002 | 9.14 | $90,202 | A |
Lots outside the flood zone in Mount Gleason
Zone X with minimal risk, lowest assessed value first (25 of 49).
Questions about land in Mount Gleason
How much vacant land in Mount Gleason is in a flood zone?
4 of 80 vacant lots in Mount Gleason (5%) are in a FEMA high-risk flood zone (A, AE, AH, AO or VE). 49 are zone X with minimal risk and 1 are moderate risk. 26 are zone D, where flood risk has not been studied.
Do I need flood insurance for land in Mount Gleason?
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. 5% of Mount Gleason's vacant lots are in such a zone.
More for Mount Gleason: 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.