518 Diamond Pl, Walnut, CA 91789 Property Records

Los Angeles County property record for 518 Diamond Pl, Walnut, CA 91789

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,139 sqft · built 1987
Lot Size	0.205 acres (8,922 sqft)
Owner	2 Company Names on File
Tax Bill	$5,420 (2025)
Deeds & Mortgages	Dec 2017 Line of Credit
Flood Zone	Zone D (undetermined)
APN	`8734-050-012`

Property Details

APN / Parcel Number

Primary APN	`8734-050-012`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	2,139 sqft Living Area
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1987
Effective Year Built	Effective 1987
Architectural Style	Conventional
Exterior Material	Stucco
Construction Type	Wood
Roof Material	Tile
Lot Area	8,922 sqft (0.205 acres)
Lot Dimensions	127 ft deep x 48 ft wide

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	518 DIAMOND PL
City	WALNUT
State	CA
Zip	91789-4727
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	WARPD14800
Legal Description	TR=39514 LOT 1
Legal Subdivision	39514
Legal Tract	39514
Legal Block	3
Legal Lot Number	1
Jurisdiction	LOS ANGELES CA
Township / Civil Division	EAST SAN GABRIEL VALLEY
Census Block Group	3
Census Block	3012
Census Tract	403408

Owner

Source: Los Angeles County records · APN 8734-050-012

Assessment roll updated May 21, 2026 · Last verified June 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Company Names on File
Mailing Address	518 DIAMOND PL, WALNUT, CA 91789-4727
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Transfer Date	Feb 22, 2006
Transfer Doc	0000723781
Record Updated	Sep 20, 2026

December 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOS ANGELES CA
Property Address	518 DIAMOND PL, WALNUT, CA 91789-4727
Transaction Type	Mortgage
Record Updated	Feb 05, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0001448115
Date	Dec 13, 2017
Instrument	17-1448115

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank
Address	COLUMBUS, OH 43240

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Dec 05, 2047

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

Source: Los Angeles County records · Assessment roll updated May 21, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	California
County	Los Angeles County
Municipality	Walnut City
Unified School District	Rowland Unified School District (KG - 12)

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2025	$5,420.00 (+8.75%) Homeowner's exemption	$367,474 (+4.04%) Land $146,986 Building $220,488
2023	$4,984.00 (+2.09%) Homeowner's exemption	$353,206 Land $141,279 Building $211,927
2022	$4,882.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of September 30, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone D undetermined · not studied
Flood Insurance Requirement	Not required lenders may require it

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

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

Based on FCC filings for 540 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	SUBURBAN WATER SYSTEMS-SAN JOSE private · serves 170,523 people
Water Source	Purchased surface water from several systems
Last State Inspection	Aug 2024
Also Mapped Here	THREE VALLEYS MWD
Lead	Under 1 ppb (2023–2025) 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.