20815 E Boulder Ln, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 20815 E Boulder Ln, Diamond Bar, CA 91789 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	3 Baths
Year Built	Built 1987
Square Footage	1,755 sqft Living Area
Lot Size	5,561 sqft (0.128 acres)
Last Sale	$720,000 (2018)
Tax Bill	$10,959.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`8765-019-041`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Building Area	1,755 sqft Living Area

Exterior

Year Built	Built 1987
Effective Year Built	Effective 1987
Construction Type	Wood Construction
Lot Area	5,561 sqft (0.128 acres)

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Central Heating

Location & Zoning

Street Address	20815 E BOULDER LN
City	WALNUT
State	CA
Zip	91789-4056
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	TR=43760 LOT 79
Legal Subdivision	43760
Legal Tract	43760
Legal Block	1
Legal Lot Number	79
Jurisdiction	LOS ANGELES CA
Minor Civil Division	EAST SAN GABRIEL VALLEY
Census Blockgroup	1
Census Block	1001
Census Tract	403305

Owner

Source: Los Angeles County records · APN 8765-019-041

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	Company Name on File
Mailing Address	20815 E BOULDER LN, WALNUT, CA 91789-4056
Owner Type	Owner is a Company

Deeds, Mortgages & Sale History

Date	Document
May 30, 2023	Intrafamily Transfer, Transfer
Sep 18, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY
Jan 05, 2018	Grant Deed, Transfer FIRST AMERICAN TITLE

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jan 05, 2018 · Amount on Record
Deed Sale	Jan 05, 2018 · Amount on Record
Prior Sale	Oct 08, 2013 · Amount on Record
Deed Doc Number	201818231
Prior Transfer Date	Aug 25, 2003
Prior Transfer Doc	0002518181
Record Refreshed	Sep 20, 2026

May 2023: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	May 30, 2023
Property Address	20815 E BOULDER LN, DIAMOND BAR, CA 91789-4056
Document Number	0000348241
Map Reference	MB 642 PG 80&81
Instrument Date	May 17, 2023
Instrument	23-0348241
Transaction Type	Transfer
Record Updated	Jun 14, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	410 S POPPY LN, GLENDORA, CA 91741-3833

September 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Sep 18, 2018
Property Address	20815 E BOULDER LN, DIAMOND BAR, CA 91789-4056
Document Number	0000952894
Instrument Date	Sep 11, 2018
Instrument	952894
Transaction Type	Transfer
Record Updated	Oct 08, 2018
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Document Partial Interest

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	410 S POPPY LN GLENDORA CA 917413833, GLENDORA, CA 91741-3833

January 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jan 05, 2018
Property Address	20815 E BOULDER LN, DIAMOND BAR, CA 91789-4056
Document Number	0000018231
Instrument Date	Dec 22, 2017
Instrument	18231
Transaction Type	Transfer
Record Updated	Jan 11, 2018
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Tax	$792.00
Amount Accuracy	Full Value
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	20815 E BOULDER LN DIAMOND BAR CA 917894056, DIAMOND BAR, CA 91789-4056

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	$10,959.00 (+4.53%)	$819,231 (+4.04%) Land $571,300 Building $247,931
2024	$10,484.00 (+2.49%)
2023	$10,229.00 (+2.18%)	$787,421 Land $549,117 Building $238,304
2022	$10,011.00

20815 E Boulder Ln, Diamond Bar (Walnut), CA 91789 Property Records

Property Highlights

Property Details

APN / Parcel Number

Interior

Exterior

Utilities and HVAC

Location & Zoning

Owner

Deeds, Mortgages & Sale History

Assessor's Deed Record

May 2023: Intrafamily Transfer, Transfer

Transaction

Transferred From (Grantor/Seller)

Transferred To (Grantee/Buyer)

September 2018: Quit Claim Deed, Transfer

Transaction

Transferred From (Grantor/Seller)

Transferred To (Grantee/Buyer)

January 2018: Grant Deed, Transfer

Transaction

Transferred From (Grantor/Seller)

Transferred To (Grantee/Buyer)

Tax Assessment & Valuation

Property Jurisdictions

Tax Bill & Assessment History

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