23803 Decorah Rd, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 23803 Decorah Rd, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,724 sqft · built 1964
Lot Size	0.223 acres (9,712 sqft)
Owner	2 Individuals on Record
Last Sale	$650,000 (Sep 2017)
Tax Bill	$10,013 (2025)
Deeds & Mortgages	Jun 2020 Mortgage Sep 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8703-015-016`

Property Details

APN / Parcel Number

Primary APN	`8703-015-016`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	1,724 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1971
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	9,712 sqft (0.223 acres)
Lot Dimensions	143 ft deep x 68 ft wide
Garage Type	Attached

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Water Source	Commercial

Location & Zoning

Street Address	23803 DECORAH RD
City	DIAMOND BAR
State	CA
Zip	91765-1406
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR108
Legal Description	TRACT NO 27530 LOT 92
Legal Subdivision	27530
Legal Tract	27530
Legal Block	3
Legal Lot Number	92
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	3
Census Block	3003
Census Tract	403316

Owner

Source: Los Angeles County assessment roll, as of May 21, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individuals on Record
Mailing Address	23803 DECORAH RD, DIAMOND BAR, CA 91765-1406
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jun 19, 2020	Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BANK NA
Sep 25, 2017	Grant Deed, Transfer · Conventional Mortgage WELLS FARGO BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 25, 2017 · Amount on Record
Deed Sale	Sep 25, 2017 · Amount on Record
Prior Sale	Oct 6, 1994 · Amount on Record
Deed Document Number	20171094098
Prior Transfer Date	Sep 16, 2011
Prior Transfer Doc	0001399113
Record Updated	Sep 20, 2026

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	23803 DECORAH RD, DIAMOND BAR, CA 91765-1406
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	PACIFIC COAST TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000673434
Date	Jun 19, 2020
Instrument	20-0673434

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2050

September 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Sep 25, 2017
Property Address	23803 DECORAH RD, DIAMOND BAR, CA 91765-1406
Document Number	0001094098
Map Reference	MB714 PG76-80
Instrument Date	Aug 22, 2017
Instrument	17-1094098
Transaction Type	Transfer
Record Updated	Sep 22, 2021
Title Company	FIRST AMERICAN TITLE

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
Relationship	Joint Tenants
Address	23803 DECORAH RD, DIAMOND BAR, CA 91765-1406

Mortgage

Document Number	0001094099
Date	Sep 25, 2017
Instrument	17-1094099

Lender

Name	WELLS FARGO BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Oct 1, 2047

Tax Assessment & Valuation

Source: Los Angeles County assessment roll, as of May 21, 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
2025	$10,013.00 (+10.79%) Homeowner's exemption	$739,585 (+4.04%) Land $398,238 Building $341,347
2023	$9,038.00 (+1.56%) Homeowner's exemption	$710,868 Land $382,775 Building $328,093
2022	$8,899.00

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 · 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

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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