20588 Calpet Dr, Diamond Bar (Walnut), CA 91789 Property Records

Los Angeles County property record for 20588 Calpet Dr, Diamond Bar, CA 91789

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,714 sqft · built 1965
Lot Size	0.153 acres (6,649 sqft)
Owner	2 Trust Names on File
Last Sale	$568,000 (Sep 2015)
Tax Bill	$8,584 (2025)
Deeds & Mortgages	Jul 2021 Mortgage Apr 2017 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8762-032-016`

Property Details

APN / Parcel Number

Primary APN	`8762-032-016`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,714 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 Material	Composition Shingle
Lot Area	6,649 sqft (0.153 acres)

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	20588 CALPET DR
City	WALNUT
State	CA
Zip	91789-3715
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	LCRA06
Legal Description	TRACT NO 25391 LOT 16
Legal Subdivision	25391
Legal Tract	25391
Legal Block	1
Legal Lot Number	16
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1020
Census Tract	403326

Owner

20588 Calpet Dr is owner-occupied and held in a trust since January 2016.

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

Owner of Record	2 Trust Names on File
Mailing Address	20588 CALPET DR, WALNUT, CA 91789-3715
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

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
Jul 30, 2021	Deed of Trust, Mortgage · Conventional Mortgage PMAC LENDING SERVICES INC
Apr 26, 2017	Deed of Trust, Mortgage · Conventional Mortgage TJ FINANCIAL INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 17, 2015 · Amount on File
Deed Sale	Sep 17, 2015 · Amount on File
Deed Document Number	20151152573
Last Transfer Date	Jan 7, 2016
Transfer Doc	0000032844
Record Updated	Oct 29, 2026

July 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	20588 CALPET DR, DIAMOND BAR, CA 91789-3715
Transaction Type	Mortgage
Record Updated	Aug 9, 2021
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	20588 CALPET DR, WALNUT, CA 91789-3715

Mortgage

Document Number	0001174681
Date	Jul 30, 2021
Instrument	21-1174681

Lender

Name	PMAC LENDING SERVICES INC
Type	Mortgage Company
Address	BREA, CA 92821

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	181 Months
Due	Aug 1, 2036

April 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	20588 CALPET DR, DIAMOND BAR, CA 91789-3715
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	ORTC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000460413
Date	Apr 26, 2017
Instrument	17-0460413

Lender

Name	TJ FINANCIAL INC
Type	Funding / Finance Company
Address	MONROVIA, CA 91016

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 20588 Calpet Dr was $8,584 with a homeowner's exemption.

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	Walnut Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$685,834 (+2%) Land $493,006 Building $192,828
2025	$8,584.00 Homeowner's exemption	$672,388 Land $483,340 Building $189,048
2023	$7,981.00 (+2.14%) Homeowner's exemption	$646,280 Land $464,572 Building $181,708
2022	$7,814.00

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

Flood

FEMA maps place 20588 Calpet 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

The area around 20588 Calpet Dr has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land 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 496 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
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks, Verizon.

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