21253 Cold Spring Ln, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 21253 Cold Spring Ln, Diamond Bar, CA 91765 · Last verified June 2026

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,252 sqft · built 1962
Lot Size	0.177 acres (7,700 sqft)
Owner	2 Individual Names on File
Last Sale	$403,000 (Apr 2010)
Tax Bill	$6,822 (2025)
Deeds & Mortgages	Feb 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8285-018-017`

Property Details

APN / Parcel Number

Primary APN	`8285-018-017`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,252 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1962
Effective Year Built	Effective 1964
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Hip
Roof Material	Wood Shingle
Lot Area	7,700 sqft (0.177 acres)
Lot Dimensions	110 ft deep x 69 ft wide

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	21253 COLD SPRING LN
City	DIAMOND BAR
State	CA
Zip	91765-3441
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TRACT # 25985 LOT 99
Legal Subdivision	25985
Legal Tract	25985
Legal Block	1
Legal Lot Number	99
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 · APN 8285-018-017

Assessment roll updated May 21, 2026 · Last verified June 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 File
Mailing Address	21253 COLD SPRING LN, DIAMOND BAR, CA 91765-3441
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Apr 01, 2010 · Amount on Record
Deed Sale	Apr 01, 2010 · Amount on Record
Deed Document Number	2010445439
Last Transfer Date	Jul 06, 2015
Transfer Doc	0000846501
Record Updated	Sep 20, 2026

February 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21253 COLD SPRING LN, DIAMOND BAR, CA 91765-3441
Transaction Type	Mortgage
Record Updated	Feb 09, 2021
Title Company	CONSUMERS TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21253 COLD SPRING LN, DIAMOND BAR, CA 91765-3441

Mortgage

Document Number	0000176340
Date	Feb 01, 2021
Instrument	21-0176340

Lender

Name	CUSTOMER SERVICE MORTGAGE CORP
Type	Mortgage Company
Address	WESTLAKE VILLAGE, CA 91361

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Feb 01, 2051

Tax Assessment & Valuation

Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 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

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2025	$6,822.00 (+7.47%) Homeowner's exemption	$520,186 (+4.04%) Land $401,698 Building $118,488
2023	$6,348.00 (+2.12%) Homeowner's exemption	$499,988 Land $386,100 Building $113,888
2022	$6,216.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Los Angeles County (06037C), updated September 30, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.