516 Diamond St, Monrovia, CA 91016 Property Records

Los Angeles County property record for 516 Diamond St, Monrovia, CA 91016

Property Summary

Property Type	Multi-Family Dwellings
Details	16 bd · 9 ba · 7,522 sqft · built 1948
Lot Size	0.545 acres (23,739 sqft)
Owner	2 Company Names on Record
Last Sale	$372,500 (Jun 1997)
Tax Bill	$10,522 (2025)
Deeds & Mortgages	Mar 2021 Transfer
Flood Zone	Zone X (minimal risk)
APN	`8507-009-016`

Property Details

APN / Parcel Number

Primary APN	`8507-009-016`

Interior

Bedrooms	16 Beds
Full Baths	9 Baths
Units	8 Units
Building Area	7,522 sqft Living Area

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1948
Architectural Style	Multi-Family
Construction Type	Wood
Lot Area	23,739 sqft (0.545 acres)
Total Buildings	5 Buildings

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Floor/Wall Furnace

Location & Zoning

Street Address	516 DIAMOND ST
City	MONROVIA
State	CA
Zip	91016-3936
Property Category	Residential
Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Local Zoning Code	MORPD*
Legal Description	PART OF SANTA ANITA TRACT LOT COM E 10 0 FT FROM NW COR OF BLK 5 TH E 91.5 FT T H S ON E LINE OF LAND DESC IN O R 1980-9 9 TO NE LINE OF 50 FT R/W OF A T AND S F RY TH NW THEREON 96.8 FT TH N 247.41 FT TO BEG PART OF BLK 5
Legal Subdivision	SANTA ANITA TR
Legal Block	5
Jurisdiction	LOS ANGELES CA
Township / Civil Division	UPPER SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2002
Census Tract	430902

Owner

Source: Los Angeles County records, as of September 4, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on Record
Mailing Address	428 W HILLCREST BLVD, MONROVIA, CA 91016-1563
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 9, 1997 · Amount on Record
Deed Sale	Jun 9, 1997 · Amount on Record
Deed Document Number	1997856285
Prior Transfer Date	Apr 24, 1997
Prior Transfer Doc	0000856284
Record Updated	Oct 29, 2026

March 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Mar 17, 2021
Property Address	516 DIAMOND ST, MONROVIA, CA 91016-3936
Document Number	0000425918
Map Reference	MB 34 PG 41&42
Instrument Date	Nov 13, 2020
Instrument	21-0425918
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	428 W HILLCREST BLVD, MONROVIA, CA 91016-1563

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of August 25, 2026

Property Jurisdictions

Type	Name
State	California
County	Los Angeles County
Municipality	Monrovia City
Unified School District	Monrovia Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$545,699 (+2%) Land $343,039 Building $202,660
2025	$10,522.00 (+2.78%)	$535,000 (+3.92%) Land $336,313 Building $198,687
2024	$10,237.00 (+1.81%)
2023	$10,055.00 (+2.34%)	$514,827 Land $323,254 Building $191,573
2022	$9,825.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective September 30, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	MONROVIA-CITY, WATER DEPT. serves 37,931 people · EPA ID CA1910090
Water Source	Groundwater
Last State Inspection	Sep 2024
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 535 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Giggle Fiber Cable · Fiber in parts of the area	1,000 / 40
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Frontier, GeoLinks.

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