Los Angeles County property record for 818 Sonora Ct, San Dimas, CA 91773
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,530 sqft · built 1991 |
| Lot Size | 0.172 acres (7,497 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $8,069 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8392-010-099 |
| Primary APN | 8392-010-099 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Building Area | 2,530 sqft Living Area |
| Year Built | Built 1991 |
|---|---|
| Effective Year Built | Effective 1991 |
| Construction Type | Wood |
| Lot Area | 7,497 sqft (0.172 acres) |
| Lot Dimensions | 79 ft deep x 97 ft wide |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Street Address | 818 SONORA CT |
|---|---|
| City | SAN DIMAS |
| State | CA |
| Zip | 91773-1467 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SDAL* |
| Legal Description | TR=48330 LOT 9 |
| Legal Subdivision | 48330 |
| Legal Tract | 48330 |
| Legal Block | 5 |
| Legal Lot Number | 9 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 5 |
| Census Block | 5002 |
| Census Tract | 400304 |
Source: Los Angeles County records, as of August 25, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | 818 SONORA CT, SAN DIMAS, CA 91773-1467 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | Dec 3, 1993 |
| Transfer Doc | 0002406669 |
| Record Updated | Oct 29, 2026 |
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 | $640,884 (+2%) Land $292,727 Building $348,157 | |
| 2025 | $8,069.00 (+9.14%) Homeowner's exemption | $628,319 (+4.04%) Land $286,988 Building $341,331 |
| 2023 | $7,393.00 (+1.66%) Homeowner's exemption | $603,923 Land $275,845 Building $328,078 |
| 2022 | $7,272.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective September 30, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 1 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 627 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 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: GeoLinks.
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