21536 Pathfinder Rd, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 21536 Pathfinder Rd, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,510 sqft · built 1963
Lot Size	0.363 acres (15,793 sqft)
Owner	Individual Name on File
Last Sale	$158,500 (Sep 1994)
Tax Bill	$3,878 (2025)
Deeds & Mortgages	Jul 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8292-008-031`

Property Details

APN / Parcel Number

Primary APN	`8292-008-031`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Stories	1 Story
Building Area	1,510 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	15,793 sqft (0.363 acres)
Lot Dimensions	130 ft deep x 116 ft wide

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	21536 PATHFINDER RD
City	DIAMOND BAR
State	CA
Zip	91765-3133
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR108
Legal Description	TRACT NO 26681 LOT 123
Legal Subdivision	26681
Legal Tract	26681
Legal Block	2
Legal Lot Number	123
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	2
Census Block	2008
Census Tract	403328

Owner

21536 Pathfinder Rd is owned and occupied by an individual who bought it in September 1994.

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

Owner of Record	Individual Name on File
Mailing Address	21536 PATHFINDER RD, DIAMOND BAR, CA 91765-3133
Occupancy	Owner Occupied
Owner Type	Individual

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

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 13, 1994 · Amount on File
Deed Sale	Sep 13, 1994 · Amount on File
Prior Sale	Apr 6, 1994 · Amount on File
Deed Document Number	19941681277
Prior Transfer Date	Apr 4, 1994
Prior Transfer Doc	0000672482
Record Updated	Oct 29, 2026

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	21536 PATHFINDER RD, DIAMOND BAR, CA 91765-3133
Document Number	0000847012
Instrument Date	Jul 22, 2020
Transaction Type	Mortgage
Record Updated	Aug 4, 2020
Title Company	WESTERN RESOURCES TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	21536 PATHFINDER RD DIAMOND BAR CA 917653133, DIAMOND BAR, CA 91765-3133

Mortgage

Document Number	0000847012
Date	Jul 28, 2020
Instrument	847012

Lender

Name	MORTGAGE HUB INC
Address	HUNTINGTON BEACH, CA 92649

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jul 27, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 21536 Pathfinder Rd was $3,878 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		$271,523 (+2%) Land $217,231 Building $54,292
2025	$3,878.00 Homeowner's exemption	$266,200 Land $212,972 Building $53,228
2023	$3,598.00 (+2.13%) Homeowner's exemption	$255,865 Land $204,703 Building $51,162
2022	$3,523.00

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

Flood

FEMA maps place 21536 Pathfinder 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 21536 Pathfinder Rd is low, with a 0.01% annual chance of 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	0.01% 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 437 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable	1,000 / 35
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

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