649 Alder Ln, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 649 Alder Ln, Diamond Bar, CA 91789

Property Summary

Property Type	Planned Unit Development
Details	3 bd · 3 ba · 1,578 sqft · built 1986
Lot Size	0.034 acres (1,474 sqft)
Owner	Individual Name on Record
Last Sale	$549,000 (Jan 2019)
Tax Bill	$7,828 (2025)
Deeds & Mortgages	Jan 2019 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8719-018-049`

Property Details

APN / Parcel Number

Primary APN	`8719-018-049`

Interior

Bedrooms	3 Beds
Full Baths	3 Baths
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,578 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1986
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	1,474 sqft (0.034 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	649 ALDER LN
City	WALNUT
State	CA
Zip	91789-3346
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Planned Unit Development
Local Zoning Code	LCR312UDP*
Legal Description	TR=39833 LOT 49
Legal Subdivision	39833
Legal Tract	39833
Legal Block	3
Legal Lot Number	49
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	3
Census Block	3001
Census Tract	403328

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	Individual Name on Record
Mailing Address	649 ALDER LN, WALNUT, CA 91789-3346
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 23, 2019 · Amount on Record
Deed Sale	Jan 23, 2019 · Amount on Record
Prior Sale	May 6, 2013 · Amount on Record
Deed Document Number	201964354
Prior Transfer Date	Jun 2, 2009
Prior Transfer Doc	0000856441
Record Updated	Oct 29, 2026

January 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Jan 23, 2019
Property Address	649 ALDER LN, DIAMOND BAR, CA 91789-3346
Document Number	0000064354
Map Reference	MB 1035 PG 38-41
Instrument Date	Dec 11, 2018
Instrument	19-0064354
Transaction Type	Transfer
Record Updated	Sep 22, 2021
Title Company	FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
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
Address	649 ALDER LN, DIAMOND BAR, CA 91789-3346

Mortgage

Document Number	0000064355
Date	Jan 23, 2019
Instrument	19-0064355

Lender

Name	STERLING BANK & TRUST FSB
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2049

Interest

Rate Type	Adjustable Rate
Rate	5.37%
Type Change Date	Feb 1, 2024
Change Frequency	Annually
Min Rate At Change	3.95%
Max Rate At Change	10.3%
Index	1-Year LIBOR
Max Rate	10.3%

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		$624,664 (+2%) Land $341,347 Building $283,317
2025	$7,828.00 (+7.56%)	$612,416 (+4.04%) Land $334,654 Building $277,762
2023	$7,278.00 (+2.16%)	$588,637 Land $321,660 Building $266,977
2022	$7,124.00

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

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 96% of the US · lower than 97.4% of California
Wildfire Likelihood	0.02% annual chance
Exposure	None beyond ember reach

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 200 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable	1,000 / 1,000

May also be available: GeoLinks, T-Mobile, Verizon.

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