Flood zones for vacant land in Sierra Madre

Of the 45 vacant lots in Sierra Madre, 0 (0%) are in a FEMA high-risk flood zone, where a home loan on a new building needs flood insurance. 26 (58%) are in zone X with minimal risk. 19 are zone D, where flood risk has not been studied.

Flood zones in Sierra Madre

FEMA zone	Vacant lots	Share
X	26	58%
D	19	42%

What the letters mean: flood zones explained.

Lots in a high-risk flood zone in Sierra Madre

Zones A, AE, AH, AO and VE, lowest assessed value first.

None in this city.

Lots outside the flood zone in Sierra Madre

Zone X with minimal risk, lowest assessed value first (25 of 26).

Lot	Acres	Assessed
49 W Montecito Ave5767-017-003	0.16	$22,717
71 W Montecito Ave5767-017-006	0.16	$22,717
580 Brookside Ln5763-023-025	0.03	$24,822
56 W Highland Ave5767-017-016	0.22	$29,876
80 E Montecito Ave5767-015-045	0.22	$46,727
642 Auburn Ave5762-005-010	0.17	$50,523
202 Vista Circle Dr5764-015-011	0.05	$52,236
574 Brookside Ln5763-023-009	0.1	$52,724
547 Brookside Ln5763-016-011	0.09	$61,532
1131 Arno Dr5764-033-017	0.69	$67,391
41 W Montecito Ave5767-017-002	0.16	$69,196
70 W Highland Ave5767-017-014	0.17	$78,060
90 E Montecito Ave5767-015-046	0.22	$103,444
535 Brookside Ln5763-016-006	0.03	$125,032
42 W Highland Ave5767-017-017	0.22	$157,620
556 Brookside Ln5763-023-002	0.05	$330,118
685 Sierra Meadows Dr5761-026-011	0.47	$368,267
314 W Sierra Madre Blvd5768-020-022	0.13	$497,191
283 W Sierra Madre Blvd5768-019-067	0.21	$530,604
129 W Grandview Ave5762-023-013	0.2	$533,241
752 Oak Crest Dr5761-027-033	0.38	$608,004
34 N Hermosa Ave5767-022-030	0.09	$650,182
30 Suffolk Ave5767-026-039	0.33	$1,324,895
487 Woodland Dr5763-014-900	0.36	—
70 Esperanza Ave5767-039-907	0.29	—

Questions about land in Sierra Madre

How much vacant land in Sierra Madre is in a flood zone?

0 of 45 vacant lots in Sierra Madre (0%) are in a FEMA high-risk flood zone (A, AE, AH, AO or VE). 26 are zone X with minimal risk. 19 are zone D, where flood risk has not been studied.

Do I need flood insurance for land in Sierra Madre?

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. 0% of Sierra Madre's vacant lots are in such a zone.

More for Sierra Madre: all vacant land · fire hazard zones

Sources

Counts are LandGrab's analysis of 2026 public data for vacant parcels in Los Angeles County, updated 2026-10-19. Maps change; confirm a specific lot with the county before you buy.