20862 Starshine Rd, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 20862 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	0.214 acres (9,321 sqft)
Owner	2 Company Names on Record
Last Sale	$1,450,000 (Jul 2023)
Tax Bill	$18,267 (2025)
Deeds & Mortgages	Jul 2023 Sale
Flood Zone	Zone X (minimal risk)
APN	`8765-003-023`

Property Details

APN / Parcel Number

Primary APN	`8765-003-023`

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	9,321 sqft (0.214 acres)
Lot Dimensions	115 ft deep x 78 ft wide

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	20862 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 45
Legal Subdivision	35742
Legal Tract	35742
Legal Block	3
Legal Lot Number	45
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	3
Census Block	3013
Census Tract	408707

Owner

Source: Los Angeles County records, as of August 25, 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 Record
Mailing Address	20855 STARSHINE RD, WALNUT, CA 91789-4018
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 21, 2023 · Amount on Record
Deed Sale	Jul 21, 2023 · Amount on Record
Deed Document Number	2023480949
Last Transfer Date	Feb 25, 2025
Transfer Doc	0000126810
Record Updated	Oct 29, 2026

July 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jul 21, 2023
Property Address	20862 STARSHINE RD, DIAMOND BAR, CA 91789-4016
Document Number	0000480949
Map Reference	MB 927 PG 23-27
Instrument Date	Jul 17, 2023
Instrument	23-0480949
Transaction Type	Transfer
Record Updated	Jul 31, 2023
Title Company	CALIFORNIA BEST TITLE CO, CALIFORNIA BEST TITLE

Transaction

Amount	Amount Recorded
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
Relationship	Community Property with Right of Survivorship
Address	20862 STARSHINE RD, DIAMOND BAR, CA 91789-4016

Tax Assessment & Valuation

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		$1,508,579 (+2%) Land $741,076 Building $767,503
2025	$18,267.00 (+258.04%)	$1,479,000 (+280.32%) Land $726,546 Building $752,454
2023	$5,102.00 (+104.33%) Homeowner's exemption	$388,883 (+2%) Land $90,383 Building $298,500
2022	$2,497.00 Homeowner's exemption	$381,259 Land $88,611 Building $292,648

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

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

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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