23634 Decorah Rd, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 23634 Decorah Rd, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,875 sqft · built 1964
Lot Size	0.204 acres (8,870 sqft)
Owner	2 Individual Names on Record
Last Sale	$790,000 (Dec 2020)
Tax Bill	$11,427 (2025)
Deeds & Mortgages	Aug 2018 Line of Credit Dec 2020 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`8703-002-032`

Property Details

APN / Parcel Number

Primary APN	`8703-002-032`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Building Area	1,875 sqft Living Area

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1964
Construction Type	Wood
Lot Area	8,870 sqft (0.204 acres)

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	23634 DECORAH RD
City	DIAMOND BAR
State	CA
Zip	91765-1311
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR18000*
Legal Description	LOT 153 TR=27530 ANDPOR OF SE 1/4 OF SEC 3 T2S R9W
Legal Range	09W
Legal Township	02S
Legal Section	03
Legal Subdivision	27530
Legal Tract	27530
Legal Block	3
Legal Lot Number	153
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	3
Census Block	3006
Census Tract	403316

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	2 Individual Names on Record
Mailing Address	23634 DECORAH RD, DIAMOND BAR, CA 91765-1311
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Aug 28, 2018	Deed of Trust, Mortgage · Line of Credit US BANK NA
Dec 1, 2020	Grant Deed, Transfer · Conventional Mortgage GUARANTEED RATE INC
Feb 9, 2018	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 1, 2020 · Amount on Record
Deed Sale	Dec 1, 2020 · Amount on Record
Prior Sale	Dec 13, 2010 · Amount on Record
Deed Document Number	20201550102
Prior Transfer Date	Nov 21, 2012
Prior Transfer Doc	0000061419
Record Updated	Oct 29, 2026

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	23634 DECORAH RD, DIAMOND BAR, CA 91765-1311
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000869969
Date	Aug 28, 2018
Instrument	18-0869969

Lender

Name	US BANK NA
Type	Bank
Address	CINCINNATI, OH 45202

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Aug 15, 2048

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

December 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Dec 1, 2020
Property Address	23634 DECORAH RD, DIAMOND BAR, CA 91765-1311
Document Number	0001550102
Map Reference	MB 714 PG 76-80
Instrument Date	Nov 29, 2020
Instrument	20-1550102
Transaction Type	Transfer
Record Updated	Sep 22, 2021
Title Company	ORANGE COAST TTL CO OF SOCAL

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	23634 DECORAH RD, DIAMOND BAR, CA 91765-1311

Mortgage

Document Number	0001550103
Date	Dec 1, 2020
Instrument	20-1550103

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Dec 1, 2050

February 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Feb 9, 2018
Property Address	23634 DECORAH RD, DIAMOND BAR, CA 91765-1311
Document Number	0000135943
Instrument Date	Nov 9, 2017
Instrument	135943
Transaction Type	Transfer
Record Updated	Feb 13, 2018

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	23634 DECORAH RD DIAMOND BAR CA 917651311, DIAMOND BAR, CA 91765-1311

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	Pomona Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$872,221 (+2%) Land $606,139 Building $266,082
2025	$11,427.00 (+9.33%)	$855,119 (+4.04%) Land $594,254 Building $260,865
2023	$10,452.00 (+1.53%)	$821,915 Land $571,179 Building $250,736
2022	$10,294.00

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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