20725 E Mill Ln, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 20725 E Mill Ln, Diamond Bar, CA 91789

Property Summary

Property Type	Single Family Home
Details	3 bd · 3 ba · 2,036 sqft · built 1987
Lot Size	0.146 acres (6,357 sqft)
Owner	2 Company Names on File
Last Sale	$508,000 (Dec 2003)
Tax Bill	$10,026 (2025)
Deeds & Mortgages	Aug 2021 Transfer
Flood Zone	Zone X (minimal risk)
APN	`8765-022-041`

Property Details

APN / Parcel Number

Primary APN	`8765-022-041`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Building Area	2,036 sqft Living Area

Exterior

Year Built	Built 1987
Effective Year Built	Effective 1987
Construction Type	Wood
Lot Area	6,357 sqft (0.146 acres)
Lot Dimensions	106 ft deep x 60 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	20725 E MILL LN
City	WALNUT
State	CA
Zip	91789-4071
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCRPD10000
Legal Description	TR=44824 LOT 0041
Legal Subdivision	44824
Legal Tract	44824
Legal Block	1
Legal Lot Number	0041
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1006
Census Tract	403305

Owner

Source: Los Angeles County records · APN 8765-022-041

Assessment roll updated May 21, 2026 · Last verified June 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on File
Mailing Address	20725 E MILL LN, WALNUT, CA 91789-4071
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Borrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Dec 09, 2003 · Amount on Record
Deed Sale	Dec 09, 2003 · Amount on Record
Prior Sale	Nov 25, 1997 · Amount on Record
Deed Document Number	20033708154
Last Transfer Date	Jun 29, 2021
Transfer Doc	0001213164
Record Updated	Sep 20, 2026

August 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Aug 09, 2021
Property Address	20725 E MILL LN, DIAMOND BAR, CA 91789-4071
Document Number	0001213164
Map Reference	MB 1083 PG 70-73
Instrument Date	Jun 29, 2021
Instrument	21-1213164
Transaction Type	Transfer
Record Updated	Jun 07, 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	Living Trust
Address	20725 E MILL LN, DIAMOND BAR, CA 91789-4071

Tax Assessment & Valuation

Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 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

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

Year	Tax Bill	Assessed Value
2025	$10,026.00 (+7.62%) Homeowner's exemption	$740,592 (+4.04%) Land $407,333 Building $333,259
2023	$9,316.00 (+2.19%) Homeowner's exemption	$711,836 Land $391,517 Building $320,319
2022	$9,116.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 30, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Wildfire

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 are read at the parcel center point; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000

May also be available: California Internet, Frontier, T-Mobile USA, Verizon.

Based on FCC filings for 265 locations within half a mile of this property.

Cell Coverage

5G (outdoors only) and 4G LTE

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	WALNUT VALLEY WATER DISTRICT serves 100,941 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.