Los Angeles County property record for 1108 Grubstake Dr, Diamond Bar, CA 91765
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,344 sqft · built 1980 |
| Lot Size | 0.211 acres (9,174 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $11,604 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 8701-030-007 |
| Primary APN | 8701-030-007 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,344 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Conventional |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 9,174 sqft (0.211 acres) |
| Lot Dimensions | 126 ft deep x 71 ft wide |
| Garage Type | Attached |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Water Source | Commercial |
| Street Address | 1108 GRUBSTAKE DR |
|---|---|
| City | DIAMOND BAR |
| State | CA |
| Zip | 91765-2345 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | LCR18000* |
| Legal Description | *TR=35026 LOT 35 |
| Legal Subdivision | 35026 |
| Legal Tract | 35026 |
| Legal Block | 1 |
| Legal Lot Number | 35 |
| Jurisdiction | LOS ANGELES CA |
| Township / Civil Division | EAST SAN GABRIEL VALLEY |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 403320 |
1108 Grubstake Dr is owned and occupied by an individual who acquired it in February 2011.
Source: Los Angeles County records, as of August 25, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1108 GRUBSTAKE DR, DIAMOND BAR, CA 91765-2345 |
| 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 | Feb 23, 2011 |
| Deed Sale | Feb 23, 2011 |
| Prior Sale | Feb 10, 2011 · Amount on File |
| Deed Document Number | 2011282334 |
| Prior Transfer Date | Oct 18, 2006 |
| Prior Transfer Doc | 0002390693 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1108 Grubstake Dr was $11,604.
Source: Los Angeles County assessment roll, as of August 25, 2026
| Type | Name |
|---|---|
| State | California |
| County | Los Angeles County |
| Municipality | Diamond Bar City |
| Unified School District | Walnut Valley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $933,359 (+2%) Land $687,929 Building $245,430 | |
| 2025 | $11,604.00 | $915,059 Land $674,441 Building $240,618 |
| 2023 | $10,793.00 (+2.12%) | $879,527 Land $648,252 Building $231,275 |
| 2022 | $10,569.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1108 Grubstake Dr 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 1108 Grubstake Dr 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 95% of the US · lower than 97% 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 | 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 464 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Frontier, GeoLinks.
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