Flood zones for vacant land in Monrovia

Of the 51 vacant lots in Monrovia, 0 (0%) are in a FEMA high-risk flood zone, where a home loan on a new building needs flood insurance. 47 (92%) are in zone X with minimal risk. 4 are zone D, where flood risk has not been studied.

Flood zones in Monrovia

FEMA zone	Vacant lots	Share
X	47	92%
D	4	8%

What the letters mean: flood zones explained.

Lots in a high-risk flood zone in Monrovia

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

None in this city.

Lots outside the flood zone in Monrovia

Zone X with minimal risk, lowest assessed value first (25 of 47).

Lot	Acres	Assessed
528 W Duarte Rd8509-036-015	0.3	$9
211 Linwood Ave8516-001-110	0.28	$9
203 S Encinitas Ave8516-005-021	0.17	$22,528
1839 S Alta Vista Ave8509-009-013	0.27	$60,917
420 Royal Oaks Dr8515-002-024	0.14	$165,742
490 E Duarte Rd8513-013-007	0.14	$212,241
501 Monrovista Ave8513-013-013	0.14	$223,101
460 E Duarte Rd8513-013-035	0.14	$257,485
470 E Duarte Rd8513-013-002	0.14	$278,771
420 W Foothill Blvd8505-010-033	0.16	$304,739
159 E El Norte St8509-028-009	0.14	$307,551
407 S Magnolia Ave8505-004-003	0.12	$307,745
1401 Loma Ave8507-009-032	0.18	$310,403
426 W Foothill Blvd8505-010-008	0.17	$319,771
630 Montana St8507-010-028	0.18	$320,000
402 W Foothill Blvd8505-010-034	0.17	$322,505
1838 S California Ave8513-014-022	0.1	$375,133
934 W Foothill Blvd8505-028-005	0.11	$392,553
220 W Evergreen Ave8507-002-036	0.14	$443,752
202 W Evergreen Ave8507-002-037	0.12	$443,752
433 W Foothill Blvd8504-011-008	0.17	$479,454
201 W Palm Ave8516-002-026	0.26	$489,895
234 W Evergreen Ave8507-002-012	0.14	$622,397
228 W Evergreen Ave8507-002-014	0.14	$622,397
1110 S 5th Ave8507-008-089	0.1	$656,186

Questions about land in Monrovia

How much vacant land in Monrovia is in a flood zone?

0 of 51 vacant lots in Monrovia (0%) are in a FEMA high-risk flood zone (A, AE, AH, AO or VE). 47 are zone X with minimal risk. 4 are zone D, where flood risk has not been studied.

Do I need flood insurance for land in Monrovia?

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 Monrovia's vacant lots are in such a zone.

More for Monrovia: 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.