21830 Stonepine Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 21830 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 Individual Names on Record
Last Sale	$423,000 (Dec 2019)
Tax Bill	$6,025 (2025)
Deeds & Mortgages	Dec 2020 Mortgage Dec 2019 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`8292-013-107`

Property Details

APN / Parcel Number

Primary APN	`8292-013-107`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 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	21830 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 16
Legal Subdivision	MORNING CANYON
Legal Tract	27246
Legal Block	1
Legal Lot Number	3
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 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	21830 STONEPINE DR, DIAMOND BAR, CA 91765-2821
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Dec 30, 2020	Deed of Trust, Mortgage · Conventional Mortgage GENERAL MORTGAGE CAPITAL CORP
Dec 3, 2019	Grant Deed, Transfer · Conventional Mortgage NMSI INC
Jul 16, 2018	Quit Claim Deed, Transfer · Conventional Mortgage GUARANTEED RATE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 3, 2019 · Amount on Record
Deed Sale	Dec 3, 2019 · Amount on Record
Prior Sale	Sep 7, 2007
Deed Document Number	20191326057
Prior Transfer Date	Jul 9, 2018
Prior Transfer Doc	0000706430
Record Updated	Oct 29, 2026

December 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21830 STONEPINE ST, DIAMOND BAR, CA 91765-2821
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	WFG NATIONAL TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21830 STONEPINE ST, DIAMOND BAR, CA 91765-2821

Mortgage

Document Number	0001753038
Date	Dec 30, 2020
Instrument	20-1753038

Lender

Name	GENERAL MORTGAGE CAPITAL CORP
Type	Mortgage Company
Address	BURLINGAME, CA 94010

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jan 1, 2051

December 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Dec 3, 2019
Property Address	21830 STONEPINE ST, DIAMOND BAR, CA 91765-2821
Document Number	0001326057
Map Reference	MB 819 PG 43-47
Instrument Date	Oct 25, 2019
Instrument	19-1326057
Transaction Type	Transfer
Record Updated	Sep 22, 2021
Title Company	WFG NATIONAL TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	21830 STONEPINE ST, DIAMOND BAR, CA 91765-2821

Mortgage

Document Number	0001326058
Date	Dec 3, 2019
Instrument	19-1326058

Lender

Name	NMSI INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Dec 1, 2049

July 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jul 16, 2018
Property Address	21830 STONEPINE ST, DIAMOND BAR, CA 91765-2821
Document Number	0000706430
Instrument Date	Jul 9, 2018
Instrument	706430
Transaction Type	Transfer
Record Updated	Jul 19, 2018
Title Company	WFG NATIONAL TITLE COMPANY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	21830 STONEPINE ST DIAMOND BAR CA 917652821, DIAMOND BAR, CA 91765-2821

Mortgage

Document Number	706431
Date	Jul 16, 2018
Instrument	706431

Lender

Name	GUARANTEED RATE
Address	CHICAGO, IL 60613

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 15, 2048

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	Diamond Bar City
Unified School District	Walnut Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$471,859 (+2%) Land $318,478 Building $153,381
2025	$6,025.00 (+7.19%)	$462,608 (+4.04%) Land $312,234 Building $150,374
2023	$5,621.00 (+2.14%)	$444,646 Land $300,110 Building $144,536
2022	$5,503.00

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

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	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 Fixed Wireless	100 / 20

May also be available: Frontier, Verizon.

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