23728 Decorah Rd, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 23728 Decorah Rd, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,272 sqft · built 1964
Lot Size	0.172 acres (7,503 sqft)
Owner	2 Individual Names on File
Last Sale	$535,000 (Oct 2017)
Tax Bill	$8,380 (2025)
Deeds & Mortgages	Nov 2018 Transfer Oct 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8703-003-016`

Property Details

APN / Parcel Number

Primary APN	`8703-003-016`

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 1964
Effective Year Built	Effective 1964
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Type	Gable
Roof Material	Wood Shingle
Lot Area	7,503 sqft (0.172 acres)
Lot Dimensions	118 ft deep x 63 ft wide
Garage Type	Attached

Utilities, Heating & Cooling

Cooling System	Wall Unit
Heating System	Central

Location & Zoning

Street Address	23728 DECORAH RD
City	DIAMOND BAR
State	CA
Zip	91765-1301
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR18000*
Legal Description	TRACT NO 27530 LOT 145
Legal Subdivision	27530
Legal Tract	27530
Legal Block	3
Legal Lot Number	145
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	3
Census Block	3006
Census Tract	403316

Owner

23728 Decorah Rd is owned by two individuals who acquired it in November 2018.

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

Owner of Record	2 Individual Names on File
Mailing Address	1376 JOHNSON AVE, SAN JOSE, CA 95129-4114
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
Nov 8, 2018	Quit Claim Deed, Transfer DOCSTAR SERVICES LLC, DOCSTAR SVCS LLC
Oct 6, 2017	Grant Deed, Transfer · Conventional Mortgage ETHOS LNDG

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 6, 2017 · Amount on File
Deed Sale	Oct 6, 2017 · Amount on File
Prior Sale	Feb 8, 2010 · Amount on File
Deed Document Number	20171148444
Last Transfer Date	Nov 4, 2018
Transfer Doc	0001135000
Record Updated	Oct 29, 2026

November 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Nov 8, 2018
Property Address	23728 DECORAH RD, DIAMOND BAR, CA 91765-1301
Document Number	0001135000
Instrument Date	Nov 4, 2018
Instrument	1135000
Transaction Type	Transfer
Record Updated	Nov 22, 2018
Title Company	DOCSTAR SERVICES LLC, DOCSTAR SVCS LLC

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	1376 JOHNSON AVE SAN JOSE CA 951294114, SAN JOSE, CA 95129-4114

October 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Oct 6, 2017
Property Address	23728 DECORAH RD, DIAMOND BAR, CA 91765-1301
Document Number	0001148444
Instrument Date	Aug 25, 2017
Instrument	1148444
Transaction Type	Transfer
Record Updated	Oct 10, 2017
Title Company	WESTERN RESOURCES TITLE, WESTERN RSRCS TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$588.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	23728 DECORAH RD DIAMOND BAR CA 917651301, DIAMOND BAR, CA 91765-1301

Mortgage

Document Number	1148445
Date	Oct 6, 2017
Instrument	1148445

Lender

Name	ETHOS LNDG
Address	PITTSBURGH, PA 15212

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	180 Months
Due	Oct 5, 2032

Tax Assessment & Valuation

The 2025 property tax bill for 23728 Decorah Rd was $8,380.

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		$620,907 (+2%) Land $496,728 Building $124,179
2025	$8,380.00	$608,734 Land $486,989 Building $121,745
2023	$7,573.00 (+1.56%)	$585,098 Land $468,080 Building $117,018
2022	$7,457.00

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

Flood

FEMA maps place 23728 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 23728 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 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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