839 Diamond St, Monrovia, CA 91016 Property Records

Los Angeles County property record for 839 Diamond St, Monrovia, CA 91016

Property Summary

Property Type	Triplex
Details	7 bd · 5 ba · 2,863 sqft · built 1922
Lot Size	0.262 acres (11,391 sqft)
Owner	2 Individual Names on Record
Last Sale	$735,000 (Jan 2015)
Tax Bill	$12,736 (2025)
Deeds & Mortgages	Feb 2022 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8507-017-037`

Property Details

APN / Parcel Number

Primary APN	`8507-017-037`

Interior

Bedrooms	7 Beds
Full Baths	5 Baths
Units	4 Units
Building Area	2,863 sqft Living Area

Exterior

Year Built	Built 1922
Effective Year Built	Effective 1922
Architectural Style	Triplex
Construction Type	Wood
Lot Area	11,391 sqft (0.262 acres)
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	HVAC

Location & Zoning

Street Address	839 DIAMOND ST
City	MONROVIA
State	CA
Zip	91016-3827
Property Category	Residential
Property Type	Residential > Multi-Unit > Triplex
Local Zoning Code	MORPD*
Legal Description	PART OF SANTA ANITA TRACT LOT COM S 210. 58 FT FROM INTERSECTION OF W LINE OF ENC INO AVE WITH SW LINE OF A T& S F RY R/W TH S 142.54 FT WITH A UNIFORM DEPTH OF 82.7 FT W PART OF LOT BLK 39
Legal Subdivision	SANTA ANITA TRACT
Legal Block	39
Jurisdiction	LOS ANGELES CA
Township / Civil Division	UPPER SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1008
Census Tract	430902

Owner

Source: Los Angeles County records, as of August 25, 2026

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

Owner of Record	2 Individual Names on Record
Mailing Address	2848 SHAKESPEARE DR, SAN MARINO, CA 91108-2229
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 9, 2015 · Amount on Record
Deed Sale	Jan 9, 2015 · Amount on Record
Deed Document Number	201528743
Prior Transfer Date	May 2, 1996
Prior Transfer Doc	0000691423
Record Updated	Oct 29, 2026

February 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	839 DIAMOND ST, MONROVIA, CA 91016-3827
Transaction Type	Mortgage
Record Updated	Feb 17, 2022
Title Company	CHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	2848 SHAKESPEARE DR, SAN MARINO, CA 91108-2229

Mortgage

Document Number	0000162887
Date	Feb 9, 2022
Instrument	22-0162887

Lender

Name	FIRST REPUBLIC BANK
Type	Bank
Address	SAN FRANCISCO, CA 94111

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2052

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		$901,015 (+2%) Land $594,549 Building $306,466
2025	$12,736.00 (+4.56%)	$883,349 (+3.96%) Land $582,892 Building $300,457
2023	$12,180.00 (+2.9%)	$849,689 Land $560,258 Building $289,431
2022	$11,837.00

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 807 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	1,000 / 40
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless · Fiber, DSL in parts of the area	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Frontier, GeoLinks, Sonic Telecom.

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