San Joaquin County property record for 37037 S Koster Rd, Tracy, CA 95304 · Last verified October 2025
| Property Type | Quarries (Sand, Gravel, Rock) |
|---|---|
| Lot Size | 47.5 acres (2,072,149 sqft) |
| Owner | Owner Name on File |
| Last Sale | $695,500 (Aug 1998) |
| Tax Bill | $6,703 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 265-090-050-000 |
| Primary APN | 265-090-050-000 |
|---|
| Lot Area | 2,072,149 sqft (47.5 acres) |
|---|
| Street Address | 37037 S KOSTER RD |
|---|---|
| City | TRACY |
| State | CA |
| Zip | 95304 |
| Property Category | Industrial |
| Property Type | Industrial > Quarries (Sand, Gravel, Rock) |
| Legal Description | MAP REF:MB 265 PG 09 |
| Jurisdiction | SAN JOAQUIN CA |
| Township / Civil Division | TRACY |
| Census Block Group | 1 |
| Census Block | 1125 |
| Census Tract | 5502 |
Source: San Joaquin County records · APN 265-090-050-000
Assessment roll updated July 1, 2025 · Last verified October 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Owner Name on File |
|---|---|
| Mailing Address | 655 W CLAY ST, STOCKTON, CA 95206-1722 |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 06, 1998 · Amount on Record |
| Deed Sale | Aug 06, 1998 · Amount on Record |
| Deed Document Number | 0000090879 |
| Deed Book / Page | 265 |
| Last Transfer Date | Mar 22, 1999 |
| Transfer Doc | 0000038661 |
| Record Updated | Jun 08, 2026 |
Source: San Joaquin County records · Assessment roll updated July 1, 2025 · Last verified October 2025
| Type | Name |
|---|---|
| State | California |
| County | San Joaquin County |
| Secondary School District | Tracy Unified School District (9-12) (09 - 12) |
| Elementary School District | New Jerusalem Elementary School District (KG - 08) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $6,703.00 (+4.72%) | $608,102 (+4.04%) Land $608,102 |
| 2023 | $6,401.00 (+1.72%) | $584,490 Land $584,490 |
| 2022 | $6,293.00 |
Source: FEMA National Flood Hazard Layer, San Joaquin County (06077C), updated September 27, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | High above 80% of the US · above 58% of California |
|---|---|
| Wildfire Likelihood | About 1 in 230 per year |
| Exposure | Direct burnable vegetation at the parcel |
Values are read at the parcel center point; lenders make the official flood determination.
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