23521 Deer Spring Ln, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 23521 Deer Spring Ln, Diamond Bar, CA 91765

Property Summary

Property Type	Condominium
Details	3 bd · 2 ba · 1,098 sqft · built 1973
Lot Size	4.33 acres (188,847 sqft)
Owner	2 Company Names on Record
Last Sale	$252,000 (Sep 2010)
Tax Bill	$4,401 (2025)
Deeds & Mortgages	Mar 2021 Mortgage Apr 2021 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`8701-008-022`

Property Details

APN / Parcel Number

Primary APN	`8701-008-022`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	2 Stories
Building Area	1,098 sqft Living Area

Exterior

Year Built	Built 1973
Effective Year Built	Effective 1973
Architectural Style	Condo/Apartment
Construction Type	Wood
Lot Area	188,847 sqft
Garage Type	Detached

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	23521 DEER SPRING LN
City	DIAMOND BAR
State	CA
Zip	91765-2332
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Local Zoning Code	LCR3800015
Legal Description	TR=PARCEL MAP LOTS 1 & 4 CONDOMINIUM AS PER BK 50 PG 31 OF P MUNIT 21
Legal Subdivision	PARCEL MAP NO 4286
Legal Block	1
Legal Lot Number	1,4
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1006
Census Tract	403320

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 Company Names on Record
Mailing Address	2780 LA SALLE POINTE, CHINO HILLS, CA 91709-5113
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Mar 11, 2021	Deed of Trust, Mortgage · Conventional Mortgage BROKER SOLUTIONS INC
Apr 19, 2021	Intrafamily Transfer, Transfer WESTERN RESOURCES TITLE
Oct 22, 2020	Deed of Trust, Mortgage · Conventional Mortgage GOOGAIN INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 24, 2010 · Amount on Record
Deed Sale	Sep 24, 2010 · Amount on Record
Deed Document Number	20101363521
Last Transfer Date	Mar 1, 2021
Transfer Doc	0000614042
Record Updated	Oct 29, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	23521 DEER SPRING LN, DIAMOND BAR, CA 91765-2332
Transaction Type	Mortgage
Record Updated	Mar 19, 2021
Title Company	WESTERN RESOURCES TITLE, WESTERN RESOURCES TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3288 RED PINE RD, YORBA LINDA, CA 92886-1306

Mortgage

Document Number	0000400531
Date	Mar 11, 2021
Instrument	21-0400531

Lender

Name	BROKER SOLUTIONS INC
Type	Mortgage Company
Address	TUSTIN, CA 92780

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Mar 1, 2051

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Apr 19, 2021
Property Address	23521 DEER SPRING LN, DIAMOND BAR, CA 91765-2332
Document Number	0000614042
Map Reference	MB 50 PG 31
Instrument Date	Mar 1, 2021
Instrument	21-0614042
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	WESTERN RESOURCES TITLE

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
Address	3288 RED PINE RD, YORBA LINDA, CA 92886-1306

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	23521 DEER SPRING LN, DIAMOND BAR, CA 91765-2332
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST AMERICAN TITLE INS CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3288 RED PINE RD, YORBA LINDA, CA 92886-1306

Mortgage

Document Number	0001318491
Date	Oct 22, 2020
Instrument	20-1318491

Lender

Name	GOOGAIN INC
Type	Mortgage Company
Address	SUNNYVALE, CA 94086

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	358 Months
Due	Aug 1, 2050

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		$329,299 (+2%) Land $176,803 Building $152,496
2025	$4,401.00 (+5.39%)	$322,843 (+4.04%) Land $173,337 Building $149,506
2024	$4,176.00 (+2.35%)
2023	$4,080.00 (+2.15%)	$310,308 Land $166,607 Building $143,701
2022	$3,994.00

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 97% of the US · lower than 97.8% of California
Wildfire Likelihood	Under 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 464 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
Verizon Fixed Wireless	300 / 20
Starlink Satellite	280 / 30
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Frontier, GeoLinks.

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