Los Angeles County property record for 646 Big Creek Ln, Walnut, CA 91789
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,393 sqft · built 1974 |
| Lot Size | 0.19 acres (8,294 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $100,000 (Nov 2003) |
| Tax Bill | $8,347 (2025) |
| Deeds & Mortgages | Sep 2021 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 8709-035-026 |
| Primary APN | 8709-035-026 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 2,393 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 8,294 sqft (0.19 acres) |
| Lot Dimensions | 125 ft deep x 71 ft wide |
| Garage Type | Attached |
| Heating System | Central |
|---|
| Street Address | 646 BIG CREEK LN |
|---|---|
| City | WALNUT |
| State | CA |
| Zip | 91789-1801 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | WAR18500* |
| Legal Description | TRACT NO 31338 LOT 38 |
| Legal Subdivision | 31338 |
| Legal Tract | 31338 |
| Legal Block | 2 |
| Legal Lot Number | 38 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2004 |
| Census Tract | 403404 |
646 Big Creek Ln is owned by two individuals who bought it in November 2003.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 14 SILHOUETTE, IRVINE, CA 92603-4257 |
| Owner Type | Individual |
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 | Nov 21, 2003 · Amount on File |
| Deed Sale | Nov 21, 2003 · Amount on File |
| Deed Document Number | 20033518330 |
| Prior Transfer Date | Jul 3, 2003 |
| Prior Transfer Doc | 0003504127 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Recording Date | Sep 20, 2021 |
| Property Address | 646 BIG CREEK LN, WALNUT, CA 91789-1801 |
| Document Number | 0001430902 |
| Map Reference | MB 847 PG 10-12 |
| Instrument Date | Sep 7, 2021 |
| Instrument | 21-1430902 |
| Transaction Type | Transfer |
| Record Updated | Sep 27, 2021 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Community Property with Right of Survivorship |
| Address | 14 SILHOUETTE, IRVINE, CA 92603-4257 |
The 2025 property tax bill for 646 Big Creek Ln was $8,347.
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 | $626,109 (+2%) Land $285,696 Building $340,413 | |
| 2025 | $8,347.00 | $613,834 Land $280,095 Building $333,739 |
| 2023 | $7,736.00 (+2.02%) | $590,000 Land $269,219 Building $320,781 |
| 2022 | $7,583.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 646 Big Creek Ln 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.
The area around 646 Big Creek Ln 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 545 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 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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