23916 Decorah Rd, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 23916 Decorah Rd, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 2,519 sqft · built 1965
Lot Size	0.199 acres (8,655 sqft)
Owner	2 Individual Names on File
Last Sale	$690,000 (Dec 2019)
Tax Bill	$10,446 (2025)
Deeds & Mortgages	Dec 2019 Sale & Mortgage Oct 2017 Sale
Flood Zone	Zone X (minimal risk)
APN	`8703-004-043`

Property Details

APN / Parcel Number

Primary APN	`8703-004-043`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	9 Rooms
Building Area	2,519 sqft Living Area

Exterior

Year Built	Built 1965
Effective Year Built	Effective 1974
Construction Type	Wood
Lot Area	8,655 sqft (0.199 acres)

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	23916 DECORAH RD
City	DIAMOND BAR
State	CA
Zip	91765-1407
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR18000*
Legal Description	LOT 60 TR NO 27532 AND POR OF LOT 1 SD TR IN NW 1/4 OF SEC 2 T2S R9W
Legal Range	09W
Legal Township	02S
Legal Section	02
Legal Subdivision	27532
Legal Tract	27532
Legal Block	3
Legal Lot Number	60,1
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	3
Census Block	3006
Census Tract	403316

Owner

23916 Decorah Rd is owned by two individuals who bought it in December 2019.

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

Owner of Record	2 Individual Names on File
Mailing Address	21804 OAKWOOD WAY, WALNUT, CA 91789-1400
Owner Type	Individual

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
Dec 11, 2019	Grant Deed, Transfer · Conventional Mortgage EAST WEST BANK
Oct 2, 2017	Grant Deed, Transfer WFG TITLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 11, 2019 · Amount on File
Deed Sale	Dec 11, 2019 · Amount on File
Prior Sale	Oct 2, 2017 · Amount on File
Deed Document Number	20191379158
Prior Transfer Date	Apr 6, 2016
Prior Transfer Doc	0000390328
Record Updated	Oct 29, 2026

December 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Dec 11, 2019
Property Address	23916 DECORAH RD, DIAMOND BAR, CA 91765-1407
Document Number	0001379158
Map Reference	MB 734 PG 51-53
Instrument Date	Nov 26, 2019
Instrument	19-1379158
Transaction Type	Transfer
Record Updated	Sep 22, 2021
Title Company	STEWART TITLE OF CA INC

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	21804 OAKWOOD WAY, WALNUT, CA 91789-1400

Mortgage

Document Number	0001379159
Date	Dec 11, 2019
Instrument	19-1379159

Lender

Name	EAST WEST BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Jan 1, 2050

Interest

Rate Type	Adjustable Rate
Rate	4.12%
Type Change Date	Jan 1, 2023
Change Frequency	Annually
Min Rate At Change	3.25%
Max Rate At Change	6.12%
Index	1-Year CMT
Max Rate	10.1%

October 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Oct 2, 2017
Property Address	23916 DECORAH RD, DIAMOND BAR, CA 91765-1407
Document Number	0001123963
Instrument Date	Sep 19, 2017
Instrument	1123963
Transaction Type	Transfer
Record Updated	Oct 5, 2017
Title Company	WFG TITLE

Transaction

Amount	Amount on Record
Tax	$655.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	23916 DECORAH RD DIAMOND BAR CA 917651407, DIAMOND BAR, CA 91765-1407

Tax Assessment & Valuation

The 2025 property tax bill for 23916 Decorah Rd was $10,446, up 9.5% from the year before.

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		$769,701 (+2%) Land $539,797 Building $229,904
2025	$10,446.00 (+9.46%)	$754,610 Land $529,213 Building $225,397
2024	$9,543.00 (+1.97%)
2023	$9,359.00 (+1.55%)	$725,310 Land $508,664 Building $216,646
2022	$9,216.00

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

Flood

FEMA maps place 23916 Decorah Rd 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 23916 Decorah Rd 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 519 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless	100 / 20

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

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