22852 Rio Lobos Rd, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 22852 Rio Lobos Rd, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,267 sqft · built 1986
Lot Size	0.162 acres (7,075 sqft)
Owner	2 Trust Names on File
Tax Bill	$5,044 (2025)
Deeds & Mortgages	Aug 2023 Transfer Aug 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`8717-027-058`

Property Details

APN / Parcel Number

Primary APN	`8717-027-058`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Building Area	2,267 sqft Living Area

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1986
Construction Type	Wood
Lot Area	7,075 sqft (0.162 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	22852 RIO LOBOS RD
City	DIAMOND BAR
State	CA
Zip	91765-4195
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TR=37873 LOT 28
Legal Subdivision	37873
Legal Tract	37873
Legal Block	2
Legal Lot Number	28
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2010
Census Tract	403319

Owner

22852 Rio Lobos Rd is owner-occupied and held in a trust since July 2023.

Source: Los Angeles County records, as of August 25, 2026

Owner of Record	2 Trust Names on File
Mailing Address	22852 RIO LOBOS RD, DIAMOND BAR, CA 91765-4195
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Aug 28, 2023	Intrafamily Transfer, Transfer
Aug 28, 2023	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Jul 21, 2023
Transfer Doc	0000571266
Record Updated	Oct 29, 2026

August 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Aug 28, 2023
Property Address	22852 RIO LOBOS RD, DIAMOND BAR, CA 91765-4195
Document Number	0000571266
Map Reference	MB 978 PG 3-5
Instrument Date	Jul 21, 2023
Instrument	23-0571266
Transaction Type	Transfer
Record Updated	Sep 5, 2023

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
Relationship	Joint Tenants
Address	22852 RIO LOBOS RD, DIAMOND BAR, CA 91765-4195

August 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Aug 28, 2023
Property Address	22852 RIO LOBOS RD, DIAMOND BAR, CA 91765-4195
Document Number	0000571267
Map Reference	MB 978 PG 3-5
Instrument Date	Jul 21, 2023
Instrument	23-0571267
Transaction Type	Transfer
Record Updated	Sep 5, 2023

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
Relationship	Family Trust
Address	22852 RIO LOBOS RD, DIAMOND BAR, CA 91765-4195

Tax Assessment & Valuation

The 2025 property tax bill for 22852 Rio Lobos Rd was $5,044 with a homeowner's exemption.

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		$368,930 (+2%) Land $141,765 Building $227,165
2025	$5,044.00 Homeowner's exemption	$361,697 Land $138,986 Building $222,711
2023	$4,618.00 (+2.15%) Homeowner's exemption	$347,654 Land $133,590 Building $214,064
2022	$4,521.00

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

Flood

FEMA maps place 22852 Rio Lobos Rd in Zone X, an area of minimal flood risk.

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

Wildfire risk around 22852 Rio Lobos Rd is low, with a 0.02% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 95% of the US · lower than 97% of California
Wildfire Likelihood	0.02% 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 215 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 1,000
AT&T Fixed Wireless	100 / 20

May also be available: GeoLinks, T-Mobile, Verizon.

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