San Joaquin County property record for 37437 S Koster Rd, Tracy, CA 95304
| Property Type | Mining, Mineral, Quarries |
|---|---|
| Details | 1,209 sqft |
| Lot Size | 42.7 acres (1,863,932 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $19,281 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 265-090-060-000 |
| Primary APN | 265-090-060-000 |
|---|---|
| Alternative APN |
|
| Building Area | 1,209 sqft Total Area |
|---|
| Lot Area | 1,863,932 sqft (42.7 acres) |
|---|
| Old Parcel Number | 265-090-06 |
|---|---|
| Street Address | 37437 S KOSTER RD |
| City | TRACY |
| State | CA |
| Zip | 95304-9313 |
| Property Category | Industrial |
| Property Type | Industrial > Mining, Mineral, Quarries |
| Local Zoning Code | AG40 |
| Legal Block | 1 |
| Jurisdiction | SAN JOAQUIN CA |
| Township / Civil Division | TRACY |
| Census Block Group | 1 |
| Census Block | 1125 |
| Census Tract | 5502 |
Source: San Joaquin County records, as of October 13, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 655 W CLAY ST, STOCKTON, CA 95206-1722 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
Source: San Joaquin County assessment roll, as of September 24, 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) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $19,281.00 (+1.48%) | |
| 2025 | $18,999.00 (+4.94%) | $1,797,892 (+4.04%) Land $1,797,892 |
| 2023 | $18,105.00 (+1.78%) | $1,728,079 Land $1,728,079 |
| 2022 | $17,788.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective September 27, 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 |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 1 in force |
| Nearby Flood Claims | 3 (1983–2022) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides |
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 | High above 83% of the US · above 62% of California |
|---|---|
| Wildfire Likelihood | 0.6% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 1 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fixed Wireless | 300 / 20 |
| Starlink Satellite | 280 / 30 |
| T-Mobile Fixed Wireless | 100 / 20 |
| Cal.net Fixed Wireless | 100 / 20 |
| unWired Broadband Fixed Wireless | 50 / 12 |
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