20854 Starshine Rd, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 20854 Starshine Rd, Diamond Bar, CA 91789

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,781 sqft · built 1983
Lot Size	0.146 acres (6,367 sqft)
Owner	Individual Name on File
Last Sale	$450,000 (Feb 2002)
Tax Bill	$8,733 (2025)
Deeds & Mortgages	Dec 2023 Transfer Dec 2023 Transfer
Flood Zone	Zone X (minimal risk)
APN	`8765-003-021`

Property Details

APN / Parcel Number

Primary APN	`8765-003-021`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	14 Rooms
Stories	2 Stories
Building Area	2,781 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1983
Effective Year Built	Effective 1983
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Tile
Lot Area	6,367 sqft (0.146 acres)
Lot Dimensions	94 ft deep x 70 ft wide

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	20854 STARSHINE RD
City	WALNUT
State	CA
Zip	91789-4016
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCRPD10000
Legal Description	*TR=35742 LOT 43
Legal Subdivision	35742
Legal Tract	35742
Legal Block	3
Legal Lot Number	43
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	3
Census Block	3013
Census Tract	408707

Owner

20854 Starshine Rd is owned and occupied by an individual who acquired it in December 2023.

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

Owner of Record	Individual Name on File
Mailing Address	20854 STARSHINE RD, WALNUT, CA 91789-4016
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Widow or Widower

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
Dec 27, 2023	Affidavit of Death of Joint Tenant, Transfer
Dec 27, 2023	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Feb 28, 2002 · Amount on File
Deed Sale	Feb 28, 2002 · Amount on File
Deed Document Number	2002468796
Last Transfer Date	Dec 26, 2023
Transfer Doc	0000910048
Record Updated	Oct 29, 2026

December 2023: Affidavit of Death of Joint Tenant, Transfer

Document Type	Affidavit of Death of Joint Tenant
Jurisdiction	LOS ANGELES CA
Recording Date	Dec 27, 2023
Property Address	20854 STARSHINE RD, DIAMOND BAR, CA 91789-4016
Document Number	0000910047
Map Reference	MB 927 PG 23-27
Instrument Date	Dec 26, 2023
Instrument	23-0910047
Transaction Type	Transfer
Record Updated	Jan 5, 2024

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20854 STARSHINE RD, DIAMOND BAR, CA 91789-4016

December 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Dec 27, 2023
Property Address	20854 STARSHINE RD, DIAMOND BAR, CA 91789-4016
Document Number	0000910048
Map Reference	MB 927 PG 23-27
Instrument Date	Dec 26, 2023
Instrument	23-0910048
Transaction Type	Transfer
Record Updated	Jan 5, 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
Address	20854 STARSHINE RD, DIAMOND BAR, CA 91789-4016

Tax Assessment & Valuation

The 2025 property tax bill for 20854 Starshine Rd was $8,733.

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		$678,057 (+2%) Land $307,532 Building $370,525
2025	$8,733.00	$664,762 Land $301,502 Building $363,260
2023	$8,053.00 (+2.12%)	$638,951 Land $289,796 Building $349,155
2022	$7,886.00

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

Flood

FEMA maps place 20854 Starshine 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 20854 Starshine 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 63% of the US · lower than 78% of California
Wildfire Likelihood	0.04% 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 254 locations within half a mile, as of December 31, 2025

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

May also be available: AT&T, Frontier, GeoLinks, Verizon.

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