322 Willapa Ln, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 322 Willapa Ln, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,272 sqft · built 1965
Lot Size	0.222 acres (9,653 sqft)
Owner	2 Individual Names on File
Last Sale	$598,000 (Sep 2019)
Tax Bill	$8,860 (2025)
Deeds & Mortgages	May 2021 Mortgage Sep 2019 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`8703-014-033`

Property Details

APN / Parcel Number

Primary APN	`8703-014-033`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,272 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1965
Effective Year Built	Effective 1965
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	9,653 sqft (0.222 acres)
Lot Dimensions	131 ft deep x 73 ft wide
Garage Type	Attached

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	322 WILLAPA LN
City	DIAMOND BAR
State	CA
Zip	91765-1354
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR108
Legal Description	TRACT NO 27531 LOT 18
Legal Subdivision	27531
Legal Tract	27531
Legal Block	3
Legal Lot Number	18
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	3
Census Block	3003
Census Tract	403316

Owner

322 Willapa Ln is owned and occupied by two individuals who bought it in September 2019.

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on File
Mailing Address	322 WILLAPA LN, DIAMOND BAR, CA 91765-1354
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
May 4, 2021	Deed of Trust, Mortgage · Conventional Mortgage GOLD COAST CAPITAL INVESTMENT
Sep 25, 2019	Grant Deed, Transfer · Conventional Mortgage NMSI INC
May 17, 2019	Quit Claim Deed, Transfer NOT AVAILABLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 25, 2019 · Amount on File
Deed Sale	Sep 25, 2019 · Amount on File
Prior Sale	Dec 19, 2008 · Amount on File
Deed Document Number	20191003755
Prior Transfer Date	May 6, 2019
Prior Transfer Doc	0000452395
Record Updated	Oct 29, 2026

May 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	322 WILLAPA LN, DIAMOND BAR, CA 91765-1354
Transaction Type	Mortgage
Record Updated	May 12, 2021
Title Company	PACIFIC COAST TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	322 WILLAPA LN, DIAMOND BAR, CA 91765-1354

Mortgage

Document Number	0000707012
Date	May 4, 2021
Instrument	21-0707012

Lender

Name	GOLD COAST CAPITAL INVESTMENT
Type	Mortgage Company
Address	DIAMOND BAR, CA 91765

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	May 1, 2051

September 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Sep 25, 2019
Property Address	322 WILLAPA LN, DIAMOND BAR, CA 91765-1354
Document Number	0001003755
Map Reference	MB 728 PG 32-34
Instrument Date	Aug 7, 2019
Instrument	19-1003755
Transaction Type	Transfer
Record Updated	Sep 22, 2021
Title Company	TITLE365

Transaction

Amount	Amount on Record
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
Relationship	Joint Tenants
Address	322 WILLAPA LN, DIAMOND BAR, CA 91765-1354

Mortgage

Document Number	0001003756
Date	Sep 25, 2019
Instrument	19-1003756

Lender

Name	NMSI INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2049

May 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	May 17, 2019
Property Address	322 WILLAPA LN, DIAMOND BAR, CA 91765-1354
Document Number	0000452395
Instrument Date	May 6, 2019
Instrument	452395
Transaction Type	Transfer
Record Updated	May 27, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	16362 SERENADE LN HUNTINGTON BEACH CA 926473540, HUNTINGTON BEACH, CA 92647-3540

Tax Assessment & Valuation

The 2025 property tax bill for 322 Willapa Ln was $8,860 with a homeowner's exemption.

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	Pomona Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$667,075 (+2%) Land $531,653 Building $135,422
2025	$8,860.00 Homeowner's exemption	$653,996 Land $521,229 Building $132,767
2023	$8,013.00 (+1.58%) Homeowner's exemption	$628,602 Land $500,990 Building $127,612
2022	$7,888.00

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

Flood

FEMA maps place 322 Willapa Ln in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1980.

Source: FEMA National Flood Hazard Layer, effective September 30, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	1 (1980)
Most Recent Claim	Feb 1980 · rainfall accumulation

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 322 Willapa Ln is low, with a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 80% of the US · lower than 88% of California
Wildfire Likelihood	0.01% 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 414 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable · Fiber in parts of the area	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
Starlink Satellite	280 / 30
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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