21211 Cold Spring Ln, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 21211 Cold Spring Ln, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,288 sqft · built 1964
Lot Size	0.18 acres (7,827 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,041,000 (Jun 2025)
Tax Bill	$11,266 (2025)
Deeds & Mortgages	Mar 2026 Mortgage Apr 2021 Transfer + 6 more
Flood Zone	Zone X (minimal risk)
APN	`8285-018-023`

Property Details

APN / Parcel Number

Primary APN	`8285-018-023`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,288 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1964
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Hip
Roof Material	Wood Shingle
Lot Area	7,827 sqft (0.18 acres)
Lot Dimensions	110 ft deep x 69 ft wide

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	21211 COLD SPRING LN
City	DIAMOND BAR
State	CA
Zip	91765-3441
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR171/2
Legal Description	TRACT NO 25985 LOT 105
Legal Subdivision	25985
Legal Tract	25985
Legal Block	1
Legal Lot Number	105
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1006
Census Tract	403325

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	21211 COLD SPRING LN, DIAMOND BAR, CA 91765-3441
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Mar 4, 2026	Deed of Trust, Mortgage · Conventional Mortgage ACTIVE LINK INC
Apr 21, 2021	Intrafamily Transfer, Transfer
Mar 26, 2021	Grant Deed, Transfer · Conventional Mortgage HOMEXPRESS MORTGAGE CORP
Jan 22, 2021	Affidavit of Death, Transfer CORNER ESCROW INC
Dec 30, 2020	Affidavit of Death, Transfer ATTORNEY ONLY
Jun 18, 2018	Quit Claim Deed, Transfer Quitclaim
Jun 18, 2018	Quit Claim Deed, Transfer Quitclaim
May 4, 2017	Deed of Trust, Mortgage · Conventional Mortgage BERMUDA DUNES INVESTMENTS INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 3, 2025 · Amount on Record
Deed Sale	Jun 3, 2025 · Amount on Record
Prior Sale	Oct 3, 2024 · Amount on Record
Deed Document Number	2025369755
Prior Transfer Date	Mar 21, 2018
Prior Transfer Doc	0000603307
Record Updated	Oct 29, 2026

March 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21211 COLD SPRING LN, DIAMOND BAR, CA 91765-3441
Transaction Type	Mortgage
Record Updated	Mar 13, 2026

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21211 COLD SPRING LN, DIAMOND BAR, CA 91765-3441

Mortgage

Document Number	0000149954
Date	Mar 4, 2026
Instrument	26-0149954

Lender

Name	ACTIVE LINK INC
Type	Mortgage Company
Address	TUSTIN, CA 92780

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2056

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Apr 21, 2021
Property Address	21211 COLD SPRING LN, DIAMOND BAR, CA 91765-3441
Document Number	0000628379
Map Reference	MB 678 PG 63-65
Instrument Date	Apr 7, 2021
Instrument	21-0628379
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	Revocable Trust
Address	7070 YORKTOWN DR, GILROY, CA 95020-6320

March 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Mar 26, 2021
Property Address	21211 COLD SPRING LN, DIAMOND BAR, CA 91765-3441
Document Number	0000484147
Map Reference	MB 678 PG 63-65
Instrument Date	Jan 7, 2021
Instrument	21-0484147
Transaction Type	Transfer
Record Updated	Sep 22, 2021
Title Company	E-CHICAGO TITLE, CHICAGO TITLE

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	7070 YORKTOWN DR, GILROY, CA 95020-6320

Mortgage

Document Number	0000484148
Date	Mar 26, 2021
Instrument	21-0484148

Lender

Name	HOMEXPRESS MORTGAGE CORP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	481 Months
Due	Apr 1, 2061

January 2021: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	LOS ANGELES CA
Recording Date	Jan 22, 2021
Property Address	21211 COLD SPRING LN, DIAMOND BAR, CA 91765-3441
Document Number	0000122951
Instrument Date	Jan 2, 2021
Instrument	122951
Transaction Type	Transfer
Record Updated	Jan 29, 2021
Title Company	CORNER ESCROW INC

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	7070 YORKTOWN DR GILROY CA 950206320, GILROY, CA 95020-6320

December 2020: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	LOS ANGELES CA
Recording Date	Dec 30, 2020
Property Address	21211 COLD SPRING LN, DIAMOND BAR, CA 91765-3441
Document Number	0001756556
Instrument Date	Oct 18, 2020
Instrument	1756556
Transaction Type	Transfer
Record Updated	Jan 22, 2021
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	7070 YORKTOWN DR GILROY CA 950206320, GILROY, CA 95020-6320

June 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jun 18, 2018
Property Address	21211 COLD SPRING LN, DIAMOND BAR, CA 91765-3441
Document Number	0000603306
Instrument Date	May 21, 2018
Instrument	603306
Transaction Type	Transfer
Record Updated	Jun 21, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	7070 YORKTOWN DR GILROY CA 950206320, GILROY, CA 95020-6320

June 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jun 18, 2018
Property Address	21211 COLD SPRING LN, DIAMOND BAR, CA 91765-3441
Document Number	0000603307
Instrument Date	Mar 21, 2018
Instrument	603307
Transaction Type	Transfer
Record Updated	Jun 21, 2018

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	7070 YORKTOWN DR GILROY CA 950206320, GILROY, CA 95020-6320

May 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21211 COLD SPRING LN, DIAMOND BAR, CA 91765-3441
Document Number	0000096264
Instrument Date	May 4, 2017
Transaction Type	Mortgage
Record Updated	Feb 13, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21211 COLD SPRING LN DIAMOND BAR CA 917653441, DIAMOND BAR, CA 91765-3441

Mortgage

Document Number	0000096264
Date	Jan 30, 2018
Instrument	96264

Lender

Name	BERMUDA DUNES INVESTMENTS INC
Address	OXNARD, CA 93030

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded

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		$1,061,513 (+17.97%) Land $743,059 Building $318,454
2025	$11,266.00 (+62.22%)	$899,800 (+31.43%) Land $700,000 Building $199,800
2023	$6,945.00 (-16.45%)	$684,619 Land $546,822 Building $137,797
2022	$8,312.00

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	0.01% 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 425 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Verizon.

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