21450 Cold Spring Ln, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 21450 Cold Spring Ln, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 2,796 sqft · built 1977
Lot Size	0.54 acres (23,514 sqft)
Owner	Individual Name on File
Last Sale	$1,046,000 (Oct 2022)
Tax Bill	$13,900 (2025)
Deeds & Mortgages	Oct 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8714-001-014`

Property Details

APN / Parcel Number

Primary APN	`8714-001-014`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Building Area	2,796 sqft Living Area

Exterior

Year Built	Built 1977
Effective Year Built	Effective 1977
Construction Type	Wood
Lot Area	23,514 sqft (0.54 acres)
Pool Type	Spa / Hot Tub (No Pool)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	21450 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 21
Legal Subdivision	32974
Legal Tract	32974
Legal Block	2
Legal Lot Number	21
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 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	Individual Name on File
Mailing Address	21450 COLD SPRING LN, DIAMOND BAR, CA 91765-3813
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Unmarried Woman

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Oct 7, 2022 · Amount on Record
Deed Sale	Oct 7, 2022 · Amount on Record
Prior Sale	Mar 6, 2013 · Amount on Record
Deed Document Number	2022971771
Prior Transfer Date	Dec 31, 1999
Prior Transfer Doc	0000019279
Record Updated	Sep 20, 2026

October 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Oct 7, 2022
Property Address	21450 COLD SPRING LN, DIAMOND BAR, CA 91765-3813
Document Number	0000971771
Map Reference	MB 873 PG 50-56
Instrument Date	Sep 20, 2022
Instrument	22-0971771
Transaction Type	Transfer
Record Updated	Oct 14, 2022
Title Company	LAWYERS TITLE COMPANY/CA, LAWYERS TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
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
Address	21450 COLD SPRING LN, DIAMOND BAR, CA 91765-3813

Mortgage

Document Number	0000971772
Date	Oct 7, 2022
Instrument	22-0971772

Lender

Name	AMERICAN CONTINENTAL BANK
Type	Bank

Agreement

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

Interest

Rate Type	Adjustable Rate
Rate	5.5%
Type Change Date	Nov 1, 2024
Change Frequency	Annually
Min Rate At Change	5.5%
Max Rate At Change	7.5%
Index	Prime Rate
Max Rate	11.5%

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	$13,900.00 (+7.89%)	$1,088,258 (+4.04%) Land $765,214 Building $323,044
2023	$12,884.00 (+30.05%)	$1,046,000 Land $735,500 Building $310,500
2022	$9,907.00

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 66% of the US · lower than 80% of California
Wildfire Likelihood	0.03% 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 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 USA Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Verizon.

Nearby Properties on Cold Spring Ln

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures