21488 Cold Spring Ln, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 21488 Cold Spring Ln, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,037 sqft · built 1977
Lot Size	0.446 acres (19,421 sqft)
Owner	Individual Name on Record
Tax Bill	$8,399 (2025)
Deeds & Mortgages	Feb 2021 Mortgage Nov 2016 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`8714-002-010`

Property Details

APN / Parcel Number

Primary APN	`8714-002-010`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Building Area	2,037 sqft Living Area

Exterior

Year Built	Built 1977
Effective Year Built	Effective 1977
Construction Type	Wood
Lot Area	19,421 sqft (0.446 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	21488 COLD SPRING LN
City	DIAMOND BAR
State	CA
Zip	91765-3813
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR19000*
Legal Description	*TR=32974 LOT 8
Legal Subdivision	32974
Legal Tract	32974
Legal Block	2
Legal Lot Number	8
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2017
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	Individual Name on Record
Mailing Address	1326 S MANHATTAN PL, LOS ANGELES, CA 90019-4701
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Feb 22, 2021	Deed of Trust, Mortgage · Conventional Mortgage WALL FINANCIAL INC
Nov 30, 2016	Deed of Trust, Mortgage · Line of Credit CALIFORNIA BK&TR

Assessor's Deed Record

Deed Names	Name on Deed
Record Updated	Oct 29, 2026

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21488 COLD SPRING LN, DIAMOND BAR, CA 91765-3813
Transaction Type	Mortgage
Record Updated	Mar 3, 2021
Title Company	PACIFIC VA TITLE, PACIFIC COAST TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1326 S MANHATTAN PL, LOS ANGELES, CA 90019-4701

Mortgage

Document Number	0000291995
Date	Feb 22, 2021
Instrument	21-0291995

Lender

Name	WALL FINANCIAL INC
Type	Funding / Finance Company
Address	LOS ANGELES, CA 90005

Agreement

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

November 2016: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21488 COLD SPRING LN, DIAMOND BAR, CA 91765-3813
Document Number	0000032537
Instrument Date	Nov 30, 2016
Transaction Type	Mortgage
Record Updated	Jan 24, 2017
Title Company	AMERICAN TITLE COMPANY, AMERICAN TITLE INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21488 COLD SPRING LN DIAMOND BAR CA 917653813, DIAMOND BAR, CA 91765-3813

Mortgage

Document Number	0000032537
Date	Jan 10, 2017
Instrument	32537

Lender

Name	CALIFORNIA BK&TR
Type	Bank
Address	LA PALMA, CA 90623

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

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		$638,009 (+2%) Land $262,707 Building $375,302
2025	$8,399.00 (+8.98%)	$625,500 (+4.04%) Land $257,556 Building $367,944
2023	$7,707.00 (+2.77%)	$601,212 Land $247,555 Building $353,657
2022	$7,499.00

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	Moderate above 44% of the US · lower than 74% of California
Wildfire Likelihood	0.06% annual chance
Exposure	Indirect 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	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 565 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
AT&T Fixed Wireless	100 / 20

May also be available: Frontier, Verizon.

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