1816 Sundowner Ln, Walnut, CA 91789 Property Records

Los Angeles County property record for 1816 Sundowner Ln, Walnut, CA 91789

Property Summary

Property Type	Single Family Home
Details	8 bd · 6 ba · 4,437 sqft · built 1989
Lot Size	0.423 acres (18,428 sqft)
Owner	Company Name on Record
Last Sale	$1,780,000 (Apr 2024)
Tax Bill	$23,333 (2025)
Deeds & Mortgages	Apr 2024 Sale Jan 2017 Transfer + 1 more
Flood Zone	Zone D (undetermined)
APN	`8710-022-005`

Property Details

APN / Parcel Number

Primary APN	`8710-022-005`

Interior

Bedrooms	8 Beds
Full Baths	6 Baths
Building Area	4,437 sqft Living Area

Exterior

Year Built	Built 1989
Effective Year Built	Effective 1989
Construction Type	Wood
Lot Area	18,428 sqft (0.423 acres)
Lot Dimensions	200 ft deep x 92 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Street Address	1816 SUNDOWNER LN
City	WALNUT
State	CA
Zip	91789-1357
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	WASP1*
Legal Description	TR=44019 LOT 20
Legal Subdivision	44019
Legal Tract	44019
Legal Block	1
Legal Lot Number	20
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1005
Census Tract	403409

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	Company Name on Record
Mailing Address	1325 E FRANKLIN AVE, POMONA, CA 91766-5451
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Date	Document
Apr 10, 2024	Grant Deed, Transfer WFG NATIONAL TITLE COMPANY
Jan 31, 2017	Affidavit of Death, Transfer
Feb 22, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 10, 2024 · Amount on Record
Deed Sale	Apr 10, 2024 · Amount on Record
Deed Document Number	2024235002
Prior Transfer Date	Feb 27, 1996
Prior Transfer Doc	0000540849
Record Updated	Oct 29, 2026

April 2024: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Apr 10, 2024
Property Address	1816 SUNDOWNER LN, WALNUT, CA 91789-1357
Document Number	0000235002
Map Reference	MB 1051 PG 53-61
Instrument Date	Apr 5, 2024
Instrument	24-0235002
Transaction Type	Transfer
Record Updated	Apr 22, 2024
Title Company	WFG NATIONAL TITLE COMPANY

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

January 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	LOS ANGELES CA
Recording Date	Jan 31, 2017
Property Address	1816 SUNDOWNER LN, WALNUT, CA 91789-1357
Document Number	0000126330
Instrument Date	Jan 11, 2017
Instrument	126330
Transaction Type	Transfer
Record Updated	Feb 15, 2017

Transaction

Tax	$0.00
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1816 SUNDOWNER LN WALNUT CA 917891357, WALNUT, CA 91789-1357

February 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Feb 22, 2017
Property Address	1816 SUNDOWNER LN, WALNUT, CA 91789-1357
Document Number	0000213346
Instrument Date	Jan 11, 2017
Instrument	213346
Transaction Type	Transfer
Record Updated	Mar 8, 2017
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	1816 SUNDOWNER LN WALNUT CA 917891357, WALNUT, CA 91789-1357

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	Walnut City
Unified School District	Walnut Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$1,851,911 (+2%) Land $1,292,488 Building $559,423
2025	$23,333.00 (+113.13%)	$1,815,600 (+121.16%) Land $1,267,146 Building $548,454
2023	$10,948.00 (+2.43%) Homeowner's exemption	$820,951 Land $367,447 Building $453,504
2022	$10,688.00

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

Source: FEMA National Flood Hazard Layer, effective September 30, 2026

FEMA Flood Zone	Zone D undetermined · not studied
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	Moderate above 53% of the US · lower than 68% of California
Wildfire Likelihood	0.1% 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	GSWC-SAN DIMAS private · serves 56,564 people · EPA ID CA1910142
Water Source	Purchased surface water from several systems
Last State Inspection	May 2025
Lead	2 ppb (2024–2026) 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 300 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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