Los Angeles County property record for 1310 Heidelberg Ave, Walnut, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,074 sqft · built 1983 |
| Lot Size | 0.166 acres (7,238 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $820,000 (Sep 2014) |
| Tax Bill | $12,612 (2025) |
| Deeds & Mortgages | Oct 2026 Sale |
| Flood Zone | Zone D (undetermined) |
| APN | 8712-035-057 |
| Primary APN | 8712-035-057 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,074 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 1983 |
| Architectural Style | Contemporary |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Tile |
| Lot Area | 7,238 sqft (0.166 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1310 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 155 |
| Legal Subdivision | 35644 |
| Legal Tract | 35644 |
| Legal Block | 2 |
| Legal Lot Number | 155 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2018 |
| Census Tract | 403409 |
1310 Heidelberg Ave is owned and occupied by two individuals who bought it in September 2014.
Source: Los Angeles County records, as of October 1, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1310 HEIDELBERG AVE, WALNUT, CA 91789-1230 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 23, 2014 · Amount on File |
| Deed Sale | Sep 23, 2014 · Amount on File |
| Prior Sale | Jun 3, 1999 · Amount on File |
| Deed Document Number | 20141001677 |
| Record Updated | Oct 29, 2026 |
| Document Type | Grant Deed |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Oct 16, 2026 |
| Property Address | 1310 HEIDELBERG AVE, WALNUT, CA 91789-1230 |
| Document Number | 0000774236 |
| Instrument Date | Oct 14, 2026 |
| Instrument | 2026774236 |
| Transaction Type | Transfer |
| Record Updated | Oct 23, 2026 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount on Record |
|---|---|
| Tax | $131,098.00 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 1617 SANTA TERESA ST, SOUTH PASADENA, CA 91030-4123 |
The 2025 property tax bill for 1310 Heidelberg Ave was $12,612.
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 | $1,005,215 (+2%) Land $515,848 Building $489,367 | |
| 2025 | $12,612.00 | $985,506 Land $505,734 Building $479,772 |
| 2023 | $11,750.00 (+2.06%) | $947,240 Land $486,097 Building $461,143 |
| 2022 | $11,513.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1310 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.
Wildfire risk around 1310 Heidelberg Ave is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond 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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