23159 Rio Lobos Rd, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 23159 Rio Lobos Rd, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 1,747 sqft · built 1984
Lot Size	0.24 acres (10,468 sqft)
Owner	2 Individual Names on Record
Last Sale	$735,000 (Jan 2020)
Tax Bill	$10,314 (2025)
Deeds & Mortgages	Nov 2020 Mortgage Jan 2020 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`8717-029-065`

Property Details

APN / Parcel Number

Primary APN	`8717-029-065`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	12 Rooms
Building Area	1,747 sqft Living Area

Exterior

Year Built	Built 1984
Effective Year Built	Effective 1984
Construction Type	Wood
Lot Area	10,468 sqft (0.24 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	23159 RIO LOBOS RD
City	DIAMOND BAR
State	CA
Zip	91765-4135
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR3800025
Legal Description	TR=37034 LOT 11
Legal Subdivision	37034
Legal Tract	37034
Legal Block	2
Legal Lot Number	11
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2006
Census Tract	403319

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	23159 RIO LOBOS RD, DIAMOND BAR, CA 91765-4135
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Nov 4, 2020	Deed of Trust, Mortgage · Conventional Mortgage ACG FUNDING INC ACG FUNDING INC
Jan 24, 2020	Grant Deed, Transfer · Conventional Mortgage ACG FUNDING INC
Mar 24, 2017	Affidavit of Death, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 24, 2020 · Amount on Record
Deed Sale	Jan 24, 2020 · Amount on Record
Deed Document Number	202092480
Prior Transfer Date	Mar 17, 2017
Prior Transfer Doc	0000334193
Record Updated	Oct 29, 2026

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	23159 RIO LOBOS RD, DIAMOND BAR, CA 91765-4135
Document Number	0001436618
Instrument Date	Nov 4, 2020
Transaction Type	Mortgage
Record Updated	Nov 18, 2020
Title Company	WFG NATIONAL TITLE COMPANY, WFG NAT'L TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	23159 RIO LOBOS RD DIAMOND BAR CA 917654135, DIAMOND BAR, CA 91765-4135

Mortgage

Document Number	0001436618
Date	Nov 12, 2020
Instrument	1436618

Lender

Name	ACG FUNDING INC ACG FUNDING INC
Type	Bank
Address	ROWLAND HEIGHTS, CA 91748

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Nov 11, 2050

January 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jan 24, 2020
Property Address	23159 RIO LOBOS RD, DIAMOND BAR, CA 91765-4135
Document Number	0000092480
Instrument Date	Jan 2, 2020
Instrument	92480
Transaction Type	Transfer
Record Updated	Feb 10, 2020
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$809.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	23159 RIO LOBOS RD DIAMOND BAR CA 917654135, DIAMOND BAR, CA 91765-4135

Mortgage

Document Number	92481
Date	Jan 24, 2020
Instrument	92481

Lender

Name	ACG FUNDING INC
Type	Bank
Address	ROWLAND HEIGHTS, CA 91748

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 23, 2050

March 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	LOS ANGELES CA
Recording Date	Mar 24, 2017
Property Address	23159 RIO LOBOS RD, DIAMOND BAR, CA 91765-4135
Document Number	0000334193
Instrument Date	Mar 17, 2017
Instrument	334193
Transaction Type	Transfer
Record Updated	Apr 4, 2017

Transaction

Tax	$0.00
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	23159 RIO LOBOS RD DIAMOND BAR CA 917654135, DIAMOND BAR, CA 91765-4135

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		$819,902 (+2%) Land $557,088 Building $262,814
2025	$10,314.00 (+7.16%)	$803,826 (+4.04%) Land $546,165 Building $257,661
2023	$9,625.00 (+2.09%)	$772,613 Land $524,957 Building $247,656
2022	$9,428.00

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 52% of the US · lower than 69% of California
Wildfire Likelihood	0.09% annual chance
Exposure	Direct burnable vegetation

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.

Cell Coverage

5G (outdoors only) and 4G LTE

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