21820 Stonepine Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 21820 Stonepine Dr, Diamond Bar, CA 91765

Property Summary

Property Type	Condominium
Details	3 bd · 2 ba · 1,038 sqft · built 1973
Lot Size	6.65 acres (290,066 sqft)
Owner	2 Company Names on File
Last Sale	$163,000 (Jul 2001)
Tax Bill	$3,427 (2025)
Deeds & Mortgages	Nov 2022 Transfer Nov 2022 Transfer
Flood Zone	Zone X (minimal risk)
APN	`8292-013-102`

Property Details

APN / Parcel Number

Primary APN	`8292-013-102`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,038 sqft Living Area

Exterior

Year Built	Built 1973
Effective Year Built	Effective 1973
Architectural Style	Contemporary
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Wood Shingle
Lot Area	290,066 sqft
Garage Type	Attached

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	21820 STONEPINE DR
City	DIAMOND BAR
State	CA
Zip	91765-2821
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	LCR3800015
Legal Description	TRACT NO 27246 CONDOMINIUM UNIT 11
Legal Subdivision	CANYON PARK
Legal Tract	27246
Legal Block	1
Legal Lot Number	11
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1004
Census Tract	403328

Owner

Source: Los Angeles County assessment roll, as of May 21, 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 File
Mailing Address	3653 NORWICH PL, ROWLAND HEIGHTS, CA 91748-5133
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Nov 4, 2022	Intrafamily Transfer, Transfer
Nov 4, 2022	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 27, 2001 · Amount on Record
Deed Sale	Jul 27, 2001 · Amount on Record
Prior Sale	Dec 17, 1997 · Amount on Record
Deed Document Number	20011344729
Last Transfer Date	Oct 19, 2022
Transfer Doc	0001046476
Record Updated	Sep 20, 2026

November 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Nov 4, 2022
Property Address	21820 STONEPINE ST, DIAMOND BAR, CA 91765-2821
Document Number	0001046476
Map Reference	MB 819 PG 43-47
Instrument Date	Oct 19, 2022
Instrument	22-1046476
Transaction Type	Transfer
Record Updated	Sep 26, 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	Community Property
Address	3653 NORWICH PL, ROWLAND HEIGHTS, CA 91748-5133

November 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Nov 4, 2022
Property Address	21820 STONEPINE ST, DIAMOND BAR, CA 91765-2821
Document Number	0001046477
Map Reference	MB 819 PG 43-47
Instrument Date	Oct 19, 2022
Instrument	22-1046477
Transaction Type	Transfer
Record Updated	Sep 26, 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
Address	3653 NORWICH PL, ROWLAND HEIGHTS, CA 91748-5133

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of May 21, 2026

Property Jurisdictions

Type	Name
State	California
County	Los Angeles County
Municipality	Diamond Bar City
Unified School District	Walnut Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2025	$3,427.00 (+8.04%)	$240,776 (+4.04%) Land $113,147 Building $127,629
2023	$3,172.00 (+2.16%)	$231,428 Land $108,754 Building $122,674
2022	$3,105.00

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	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.02% annual chance
Exposure	None beyond ember reach

Drinking Water

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

Water System	WALNUT VALLEY WATER DISTRICT serves 100,941 people · EPA ID CA1910234
Water Source	Purchased surface water from several systems
Last State Inspection	Jun 2023
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 306 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
T-Mobile USA Fixed Wireless	100 / 20

May also be available: Frontier, Verizon.

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