Los Angeles County property record for 646 W Baseline Rd, San Dimas, CA 91773
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 2,647 sqft · built 2002 |
| Lot Size | 0.398 acres (17,338 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $550,000 (Apr 2013) |
| Tax Bill | $9,930 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 8661-002-042 |
| Primary APN | 8661-002-042 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 2,647 sqft Living Area |
| Year Built | Built 2002 |
|---|---|
| Effective Year Built | Effective 2002 |
| Construction Type | Wood |
| Lot Area | 17,338 sqft (0.398 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 646 W BASELINE RD |
|---|---|
| City | SAN DIMAS |
| State | CA |
| Zip | 91773-1492 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SDAL* |
| Legal Description | P M 307-10-11 LOT 4 |
| Legal Subdivision | CITY OF SAN DIMAS |
| Legal Block | 1 |
| Legal Lot Number | 4 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1015 |
| Census Tract | 401311 |
646 W Baseline Rd is owned and occupied by two individuals who acquired it in February 2015.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 646 W BASELINE RD, SAN DIMAS, CA 91773-1492 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 5, 2013 · Amount on File |
| Deed Sale | Apr 5, 2013 · Amount on File |
| Prior Sale | Aug 21, 2012 · Amount on File |
| Deed Document Number | 2013509486 |
| Last Transfer Date | Feb 17, 2015 |
| Transfer Doc | 0000219701 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 646 W Baseline Rd was $9,930.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | San Dimas City |
| Unified School District | Bonita Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $790,078 (+2%) Land $451,560 Building $338,518 | |
| 2025 | $9,930.00 | $774,598 Land $442,711 Building $331,887 |
| 2023 | $9,270.00 (+1.6%) | $744,521 Land $425,521 Building $319,000 |
| 2022 | $9,124.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 646 W Baseline Rd in Zone X, an area of moderate flood risk.
Source: FEMA National Flood Hazard Layer, effective September 30, 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| 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 646 W Baseline Rd is moderate, ranking above 50% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 50% of the US · lower than 70% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 | GSWC-SAN DIMAS private · serves 56,564 people · EPA ID CA1910142 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | May 2025 |
| Also Mapped Here | METROPOLITAN WATER DIST. OF SO. CAL. |
| Lead | 2 ppb (2024–2026) 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 476 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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