20899 Starshine Rd, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 20899 Starshine Rd, Diamond Bar, CA 91789

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 1,970 sqft · built 1983
Lot Size	0.138 acres (5,999 sqft)
Owner	Individual Name on File
Last Sale	$1,250,000 (May 2026)
Tax Bill	$5,815 (2025)
Deeds & Mortgages	May 2026 Sale & Mortgage May 2024 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`8765-004-017`

Property Details

APN / Parcel Number

Primary APN	`8765-004-017`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	11 Rooms
Stories	2 Stories
Building Area	1,970 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	5,999 sqft (0.138 acres)
Lot Dimensions	93 ft deep x 65 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	20899 STARSHINE RD
City	WALNUT
State	CA
Zip	91789-4019
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCRPD10000
Legal Description	*TR=35742 LOT 17
Legal Subdivision	35742
Legal Tract	35742
Legal Block	3
Legal Lot Number	17
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	3
Census Block	3012
Census Tract	408707

Owner

20899 Starshine Rd is owned and occupied by an individual who bought it in May 2026.

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

Owner of Record	Individual Name on File
Mailing Address	20899 STARSHINE RD, WALNUT, CA 91789-4019
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

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
May 13, 2026	Grant Deed, Transfer · Conventional Mortgage EAST WEST BANK
May 6, 2024	Intrafamily Transfer, Transfer
Apr 8, 2017	Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 13, 2026 · Amount on File
Deed Sale	May 13, 2026 · Amount on File
Deed Document Number	2026350410
Record Updated	Oct 29, 2026

May 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	May 13, 2026
Property Address	20899 STARSHINE RD, WALNUT, CA 91789-4019
Document Number	0000350410
Instrument Date	Apr 27, 2026
Instrument	2026350410
Transaction Type	Transfer
Record Updated	Aug 25, 2026
Title Company	CALIFORNIA BEST TITLE CO, CALIFORNIA BEST TITLE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$138,875.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	20899 STARSHINE RD, WALNUT, CA 91789-4019

Mortgage

Document Number	0000350411,
Date	May 13, 2026
Instrument	2026350411

Lender

Name	EAST WEST BANK

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jun 1, 2056

Interest

Rate Type	Adjustable Rate
Rate	6%
Initial Type	Adjustable Rate
Adjustable	Adjustable Rate Rider
Max Rate	-1%

May 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	May 6, 2024
Property Address	20899 STARSHINE RD, DIAMOND BAR, CA 91789-4019
Document Number	0000296126
Map Reference	MB 927 PG 23-27
Instrument Date	Apr 19, 2024
Instrument	24-0296126
Transaction Type	Transfer
Record Updated	May 20, 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	Living Trust
Address	20899 STARSHINE RD, DIAMOND BAR, CA 91789-4019

April 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	20899 STARSHINE RD, DIAMOND BAR, CA 91789-4019
Document Number	0000461256
Instrument Date	Apr 8, 2017
Transaction Type	Mortgage
Record Updated	May 16, 2017
Title Company	OTHER

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20899 STARSHINE RD WALNUT CA 917894019, WALNUT, CA 91789-4019

Mortgage

Document Number	0000461256
Date	Apr 26, 2017
Instrument	461256

Lender

Name	BANK OF AMERICA
Type	Bank
Address	JACKSONVILLE, FL 32256

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 20899 Starshine Rd was $5,815.

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		$442,057 (+2%) Land $187,916 Building $254,141
2025	$5,815.00 Homeowner's exemption	$433,390 Land $184,232 Building $249,158
2023	$5,373.00 (+2.17%) Homeowner's exemption	$416,563 Land $177,079 Building $239,484
2022	$5,259.00

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

FEMA maps place 20899 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 20899 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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