Los Angeles County property record for 424 W 4th St, San Dimas, CA 91773
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 796 sqft · built 1914 |
| Lot Size | 0.16 acres (6,963 sqft) |
| Owner | Individual Name on File |
| Last Sale | $261,000 (Jun 2012) |
| Tax Bill | $4,410 (2025) |
| Deeds & Mortgages | Jun 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 8386-013-007 |
| Primary APN | 8386-013-007 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 796 sqft Living Area |
| Year Built | Built 1914 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | Conventional |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 6,963 sqft (0.16 acres) |
| Lot Dimensions | 140 ft deep x 50 ft wide |
| Heating System | Floor/Wall Furnace |
|---|
| Street Address | 424 W 4TH ST |
|---|---|
| City | SAN DIMAS |
| State | CA |
| Zip | 91773-2008 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SDMFD* |
| Legal Description | TRACT # 383 LOT 31 |
| Legal Subdivision | RANCHO SAN JOSE |
| Legal Tract | 383 |
| Legal Block | 2 |
| Legal Lot Number | 31 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 401311 |
424 W 4th St is owned and occupied by an individual who bought it in June 2012.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 424 W 4TH ST, SAN DIMAS, CA 91773-2008 |
| Occupancy | Owner Occupied |
| 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 | Name on Deed |
|---|---|
| Last Sale | Jun 29, 2012 · Amount on File |
| Deed Sale | Jun 29, 2012 · Amount on File |
| Prior Sale | Mar 1, 2012 · Amount on File |
| Deed Document Number | 2012965025 |
| Prior Transfer Date | May 23, 2012 |
| Prior Transfer Doc | 0000900091 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOS ANGELES CA |
| Property Address | 424 W 4TH ST, SAN DIMAS, CA 91773-2008 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | TICOR TITLE COMPANY OF CA |
| Name | Verified Name |
|---|
| Document Number | 0000594714 |
|---|---|
| Date | Jun 2, 2020 |
| Instrument | 20-0594714 |
| Name | MICHIGAN MUTUAL INC |
|---|---|
| Type | Mortgage Company |
| Address | PORT HURON, MI 48060 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jun 1, 2050 |
The 2025 property tax bill for 424 W 4th St was $4,410.
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 | $334,374 (+2%) Land $223,560 Building $110,814 | |
| 2025 | $4,410.00 | $327,819 Land $219,177 Building $108,642 |
| 2023 | $4,127.00 (+1.7%) | $315,091 Land $210,667 Building $104,424 |
| 2022 | $4,058.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 424 W 4th 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.
The area around 424 W 4th St 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 | 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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