Los Angeles County property record for 512 W 3rd St, San Dimas, CA 91773
| Property Type | Single Family Home |
|---|---|
| Details | 1 bd · 1 ba · 860 sqft · built 1948 |
| Lot Size | 0.173 acres (7,546 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $150,000 (Aug 2003) |
| Tax Bill | $5,311 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8386-009-011 |
| Primary APN | 8386-009-011 |
|---|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 860 sqft Living Area |
| Year Built | Built 1948 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Conventional |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 7,546 sqft (0.173 acres) |
| Lot Dimensions | 150 ft deep x 50 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Water Source | Commercial |
| Street Address | 512 W 3RD ST |
|---|---|
| City | SAN DIMAS |
| State | CA |
| Zip | 91773-2036 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SDMFD* |
| Legal Description | TRACT # 5052 N 150 FT OF LOT 57 |
| Legal Subdivision | 5052 |
| Legal Tract | 5052 |
| Legal Block | 2 |
| Legal Lot Number | 57 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 401311 |
512 W 3rd St is owned and occupied by two individuals who bought it in August 2003.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 512 W 3RD ST, SAN DIMAS, CA 91773-2036 |
| 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 | Aug 26, 2003 · Amount on File |
| Deed Sale | Aug 26, 2003 · Amount on File |
| Deed Document Number | 20032476515 |
| Prior Transfer Date | Oct 13, 1995 |
| Prior Transfer Doc | 0001724681 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 512 W 3rd St was $5,311 with a homeowner's exemption.
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 | $419,012 (+1.99%) Land $290,034 Building $128,978 | |
| 2025 | $5,311.00 Homeowner's exemption | $410,820 Land $284,348 Building $126,472 |
| 2023 | $4,912.00 (+1.72%) Homeowner's exemption | $394,869 Land $273,307 Building $121,562 |
| 2022 | $4,829.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 512 W 3rd St 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.
Wildfire risk around 512 W 3rd St is low, with less than 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 99.8% of the US · lower than 99.8% of California |
|---|---|
| Wildfire Likelihood | Under 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 | 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 517 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 |
May also be available: GeoLinks.
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