450 Carpio Dr, Diamond Bar, CA 91765 Property Records

Los Angeles County property record for 450 Carpio Dr, Diamond Bar, CA 91765

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 1,903 sqft · built 1965
Lot Size	0.169 acres (7,372 sqft)
Owner	2 Individual Names on File
Last Sale	$215,000 (Nov 1999)
Tax Bill	$4,926 (2025)
Deeds & Mortgages	Sep 2020 Mortgage Jan 2019 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`8281-030-025`

Property Details

APN / Parcel Number

Primary APN	`8281-030-025`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,903 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	7,372 sqft (0.169 acres)

Utilities, Heating & Cooling

Heating System	Central

Location & Zoning

Street Address	450 CARPIO DR
City	DIAMOND BAR
State	CA
Zip	91765-1814
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCR11L
Legal Description	TRACT NO 29889 LOT 41
Legal Subdivision	29889
Legal Tract	29889
Legal Block	1
Legal Lot Number	41
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1000
Census Tract	403321

Owner

450 Carpio Dr is owned and occupied by two individuals who bought it in November 1999.

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

Owner of Record	2 Individual Names on File
Mailing Address	450 CARPIO DR, DIAMOND BAR, CA 91765-1814
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

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
Sep 1, 2020	Deed of Trust, Mortgage · Conventional Mortgage AMERICAN FINANCING CORP
Jan 23, 2019	Deed of Trust, Mortgage · Line of Credit CALIFORNIA CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 8, 1999 · Amount on File
Deed Sale	Nov 8, 1999 · Amount on File
Deed Document Number	19992090805
Prior Transfer Date	Oct 1, 1999
Prior Transfer Doc	0002090804
Record Updated	Oct 29, 2026

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	450 CARPIO DR, DIAMOND BAR, CA 91765-1814
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST INTEGRITY NATIONAL TTL

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	450 CARPIO DR, DIAMOND BAR, CA 91765-1814

Mortgage

Document Number	0001036600
Date	Sep 1, 2020
Instrument	20-1036600

Lender

Name	AMERICAN FINANCING CORP
Type	Lending Institution
Address	AURORA, CO 80014

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	300 Months
Due	Sep 1, 2045

January 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	450 CARPIO DR, DIAMOND BAR, CA 91765-1814
Document Number	0000081962
Instrument Date	Jan 23, 2019
Transaction Type	Mortgage
Record Updated	Feb 7, 2019
Title Company	CALIFORNIA MEMBERS TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	450 CARPIO DR DIAMOND BAR CA 917651814, DIAMOND BAR, CA 91765-1814

Mortgage

Document Number	0000081962
Date	Jan 29, 2019
Instrument	81962

Lender

Name	CALIFORNIA CU
Type	Credit Union
Address	GLENDALE, CA 91209-9100

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Jan 28, 2049

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 450 Carpio Dr was $4,926.

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		$337,036 (+2%) Land $199,244 Building $137,792
2025	$4,926.00	$330,429 Land $195,338 Building $135,091
2023	$4,408.00 (+1.64%)	$317,600 Land $187,753 Building $129,847
2022	$4,337.00

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

Flood

FEMA maps place 450 Carpio Dr in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 30, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 450 Carpio Dr is low, with a 0.02% 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	0.02% annual chance
Exposure	Indirect within 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 487 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Frontier Fiber	7,000 / 7,000
Spectrum Cable	1,000 / 1,000
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: GeoLinks.

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