604 Old Trail Rd, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 604 Old Trail Rd, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,274 sqft · built 1962
Lot Size	0.2 acres (8,709 sqft)
Owner	2 Company Names on File
Last Sale	$564,000 (Nov 2017)
Tax Bill	$8,692 (2025)
Deeds & Mortgages	Apr 2024 Transfer Feb 2022 Second Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`8718-001-004`

Property Details

APN / Parcel Number

Primary APN	`8718-001-004`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,274 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1962
Effective Year Built	Effective 1962
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Gravel
Lot Area	8,709 sqft (0.2 acres)
Lot Dimensions	101 ft deep x 85 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	604 OLD TRAIL RD
City	DIAMOND BAR
State	CA
Zip	91765-1019
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR108
Legal Description	TRACT NO 25644 LOT 63
Legal Subdivision	25644
Legal Tract	25644
Legal Block	1
Legal Lot Number	63
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1000
Census Tract	403327

Owner

604 Old Trail Rd is owned by a company that bought it in November 2017 and is owner-occupied.

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

Owner of Record	2 Company Names on File
Mailing Address	604 OLD TRAIL RD, DIAMOND BAR, CA 91765-1019
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Life Tenant

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
Apr 11, 2024	Intrafamily Transfer, Transfer
Feb 7, 2022	Deed of Trust, Mortgage · Stand-Alone Second Mortgage FREEDOM MORTGAGE CORP
Nov 2, 2017	Grant Deed, Transfer · FHA Mortgage HOME MORTGAGE ALLIANCE CORP

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 2, 2017 · Amount on File
Deed Sale	Nov 2, 2017 · Amount on File
Prior Sale	Apr 28, 2015
Deed Document Number	20171265648
Prior Transfer Date	Mar 30, 2015
Prior Transfer Doc	0000479716
Record Updated	Oct 29, 2026

April 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Apr 11, 2024
Property Address	604 OLD TRAIL RD, DIAMOND BAR, CA 91765-1019
Document Number	0000239103
Map Reference	MB 682 PG 46-48
Instrument Date	Apr 11, 2024
Instrument	24-0239103
Transaction Type	Transfer
Record Updated	Apr 25, 2024

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	Revocable Living Trust
Address	604 OLD TRAIL RD, DIAMOND BAR, CA 91765-1019

February 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	604 OLD TRAIL RD, DIAMOND BAR, CA 91765-1019
Transaction Type	Mortgage
Record Updated	Feb 14, 2022
Title Company	MORTGAGE CONNECT

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	604 OLD TRAIL RD, DIAMOND BAR, CA 91765-1019

Mortgage

Document Number	0000149688
Date	Feb 7, 2022
Instrument	22-0149688

Lender

Name	FREEDOM MORTGAGE CORP
Type	Subprime Lender
Address	DENVER, CO 80249

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount on Record
Term	359 Months
Due	Jan 1, 2052

November 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Nov 2, 2017
Property Address	604 OLD TRAIL RD, DIAMOND BAR, CA 91765-1019
Document Number	0001265648
Map Reference	MB682 PG46-48
Instrument Date	Sep 19, 2017
Instrument	17-1265648
Transaction Type	Transfer
Record Updated	Sep 22, 2021
Title Company	WFG NATIONAL TITLE CO OF CA

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	604 OLD TRAIL RD, DIAMOND BAR, CA 91765-1019

Mortgage

Document Number	0001265649
Date	Nov 2, 2017
Instrument	17-1265649

Lender

Name	HOME MORTGAGE ALLIANCE CORP
Type	Mortgage Company
Address	SANTA ANA, CA 92707

Agreement

Type	FHA Mortgage
Amount	Amount on Record
Term	360 Months
Due	Nov 1, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 604 Old Trail Rd was $8,692 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	Pomona Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$654,447 (+2%) Land $523,537 Building $130,910
2025	$8,692.00 Homeowner's exemption	$641,616 Land $513,272 Building $128,344
2023	$7,874.00 (+1.57%) Homeowner's exemption	$616,703 Land $493,342 Building $123,361
2022	$7,752.00

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

Flood

FEMA maps place 604 Old Trail 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 604 Old Trail Rd is low, with a 0.04% annual chance of wildfire.

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

Wildfire Risk	Low lower than 94% of the US · lower than 96% of California
Wildfire Likelihood	0.04% 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 216 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 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: GeoLinks.

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