Los Angeles County property record for 1342 Heidelberg Ave, Walnut, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,669 sqft · built 1983 |
| Lot Size | 0.227 acres (9,888 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $700,000 (Apr 2014) |
| Tax Bill | $11,142 (2025) |
| Deeds & Mortgages | Nov 2019 Mortgage |
| Flood Zone | Zone D (undetermined) |
| APN | 8712-035-052 |
| Primary APN | 8712-035-052 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Building Area | 1,669 sqft Living Area |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 1983 |
| Construction Type | Wood |
| Lot Area | 9,888 sqft (0.227 acres) |
| Lot Dimensions | 115 ft deep x 88 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 1342 HEIDELBERG AVE |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-1230 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | WAC3-RPD28 |
| Legal Description | *TR=35644 LOT 150 |
| Legal Subdivision | 35644 |
| Legal Tract | 35644 |
| Legal Block | 2 |
| Legal Lot Number | 150 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2018 |
| Census Tract | 403409 |
1342 Heidelberg Ave is owned by two individuals who acquired it in July 2015.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1535 RUBY CT, DIAMOND BAR, CA 91765-4040 |
| Owner Type | Individual |
| Vesting | Single Person |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 15, 2014 · Amount on File |
| Deed Sale | Apr 15, 2014 · Amount on File |
| Deed Document Number | 2014378362 |
| Last Transfer Date | Jul 1, 2015 |
| Transfer Doc | 0000875035 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 1342 HEIDELBERG AVE, WALNUT, CA 91789-1230 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | STEWART TITLE GUARANTY CO |
| Name | Verified Name |
|---|
| Document Number | 0001272142 |
|---|---|
| Date | Nov 20, 2019 |
| Instrument | 19-1272142 |
| Name | MEGA CAPITAL FUNDING INC |
|---|---|
| Type | Mortgage Company |
| Address | CALABASAS, CA 91302 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 181 Months |
| Due | Dec 1, 2034 |
The 2025 property tax bill for 1342 Heidelberg Ave was $11,142.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Walnut City |
| Unified School District | Walnut Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $875,253 (+2%) Land $666,571 Building $208,682 | |
| 2025 | $11,142.00 | $858,092 Land $653,501 Building $204,591 |
| 2023 | $10,401.00 (+2.04%) | $824,774 Land $628,126 Building $196,648 |
| 2022 | $10,193.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1342 Heidelberg Ave in Zone D, where flood risk has not been studied.
Source: FEMA National Flood Hazard Layer, effective September 30, 2026
| FEMA Flood Zone | Zone D undetermined · not studied |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 1342 Heidelberg Ave 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.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 426 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: GeoLinks, Verizon.
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