20215 Diehl St, Walnut, CA 91789 Property Records

Los Angeles County property record for 20215 Diehl St, Walnut, CA 91789

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,232 sqft · built 1964
Lot Size	0.166 acres (7,212 sqft)
Owner	2 Individual Names on Record
Last Sale	$800,000 (Mar 2022)
Tax Bill	$10,648 (2025)
Deeds & Mortgages	Mar 2022 Transfer Mar 2022 Sale
Flood Zone	Zone X (minimal risk)
APN	`8720-003-024`

Property Details

APN / Parcel Number

Primary APN	`8720-003-024`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,232 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	Composition Shingle
Lot Area	7,212 sqft (0.166 acres)
Lot Dimensions	120 ft deep x 60 ft wide

Utilities, Heating & Cooling

Heating System	Central
Water Source	Commercial

Location & Zoning

Street Address	20215 DIEHL ST
City	WALNUT
State	CA
Zip	91789-2310
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	WAR17200*
Legal Description	TRACT NO 27883 LOT 59
Legal Subdivision	27883
Legal Tract	27883
Legal Block	1
Legal Lot Number	59
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	1
Census Block	1017
Census Tract	403402

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	20215 DIEHL ST, WALNUT, CA 91789-2310
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Mar 18, 2022	Intrafamily Transfer, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATL TTL CO TORRANC
Mar 18, 2022	Grant Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATL TTL CO TORRANC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 18, 2022 · Amount on Record
Deed Sale	Mar 18, 2022 · Amount on Record
Deed Document Number	2022316133
Prior Transfer Date	Mar 9, 2022
Prior Transfer Doc	0000316132
Record Updated	Oct 29, 2026

March 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	LOS ANGELES CA
Recording Date	Mar 18, 2022
Property Address	20215 DIEHL ST, WALNUT, CA 91789-2310
Document Number	0000316132
Map Reference	MB 710 PG 76-80
Instrument Date	Mar 9, 2022
Instrument	22-0316132
Transaction Type	Transfer
Record Updated	Apr 4, 2022
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATL TTL CO TORRANC

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	15105 VICTORY BLVD APT 204, 204, VAN NUYS, CA 91411-1722

March 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	LOS ANGELES CA
Recording Date	Mar 18, 2022
Property Address	20215 DIEHL ST, WALNUT, CA 91789-2310
Document Number	0000316133
Map Reference	MB 710 PG 76-80
Instrument Date	Mar 9, 2022
Instrument	22-0316133
Transaction Type	Transfer
Record Updated	Apr 4, 2022
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATL TTL CO TORRANC

Transaction

Amount	Amount Recorded
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	20215 DIEHL ST, WALNUT, CA 91789-2310

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	Walnut City
Unified School District	Walnut Valley Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$865,944 (+2%) Land $692,756 Building $173,188
2025	$10,648.00 (+6.77%)	$848,966 (+4.04%) Land $679,173 Building $169,793
2023	$9,973.00 (+224.43%)	$816,000 Land $652,800 Building $163,200
2022	$3,074.00

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 Policies	1 in force
Nearby Flood Claims	2 (1980)
Most Recent Claim	Jan 1980 · tidal / storm surge

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	Not rated no wildfire likelihood modeled here

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 621 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
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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