3016 Castle Rock Rd, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 3016 Castle Rock Rd, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,627 sqft · built 1963
Lot Size	0.169 acres (7,373 sqft)
Owner	2 Individual Names on Record
Last Sale	$167,000 (Jul 1997)
Tax Bill	$3,859 (2025)
Deeds & Mortgages	Oct 2022 Second Mortgage Aug 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8285-024-010`

Property Details

APN / Parcel Number

Primary APN	`8285-024-010`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	1,627 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1963
Effective Year Built	Effective 1963
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	7,373 sqft (0.169 acres)
Lot Dimensions	111 ft deep x 68 ft wide
Garage Type	Attached

Utilities, Heating & Cooling

Heating System	Central
Water Source	Commercial

Location & Zoning

Street Address	3016 CASTLE ROCK RD
City	DIAMOND BAR
State	CA
Zip	91765-3466
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR17500*
Legal Description	TRACT NO 25991 LOT 49
Legal Subdivision	25991
Legal Tract	25991
Legal Block	1
Legal Lot Number	49
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1012
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	3016 CASTLE ROCK RD, DIAMOND BAR, CA 91765-3466
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 17, 2022	Deed of Trust, Mortgage · Stand-Alone Second Mortgage NAVY FCU
Aug 31, 2020	Deed of Trust, Mortgage · VA Mortgage AMERICAN FINANCIAL NETWORK INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 15, 1997 · Amount on Record
Deed Sale	Jul 15, 1997 · Amount on Record
Deed Document Number	19971064595
Last Transfer Date	Oct 22, 1997
Transfer Doc	0001690245
Record Updated	Oct 29, 2026

October 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	3016 CASTLE ROCK RD, DIAMOND BAR, CA 91765-3466
Transaction Type	Mortgage
Record Updated	Oct 26, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3016 CASTLE ROCK RD, DIAMOND BAR, CA 91765-3466

Mortgage

Document Number	0000992367
Date	Oct 17, 2022
Instrument	22-0992367

Lender

Name	NAVY FCU
Type	Credit Union
Address	VIENNA, VA 22180

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount Recorded
Term	180 Months
Due	Oct 1, 2037

August 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	3016 CASTLE ROCK RD, DIAMOND BAR, CA 91765-3466
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	STEWART TITLE GUARANTY CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3016 CASTLE ROCK RD, DIAMOND BAR, CA 91765-3466

Mortgage

Document Number	0001026494
Date	Aug 31, 2020
Instrument	20-1026494

Lender

Name	AMERICAN FINANCIAL NETWORK INC
Type	Funding / Finance Company
Address	BREA, CA 92821

Agreement

Type	VA Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 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		$271,960 (+2%) Land $124,905 Building $147,055
2025	$3,859.00 (+10.26%) Homeowner's exemption	$266,628 (+4.04%) Land $122,456 Building $144,172
2023	$3,500.00 (+2.19%) Homeowner's exemption	$256,276 Land $117,701 Building $138,575
2022	$3,425.00

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	0.02% 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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