San Joaquin County property record for 31714 S Koster Rd, Tracy, CA 95304
| Property Type | Orchard (Fruit, Nut) |
|---|---|
| Lot Size | 50.4 acres (2,196,731 sqft) |
| Owner | Trust Name on File |
| Tax Bill | $11,438 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 255-150-370-000 |
| Primary APN | 255-150-370-000 |
|---|
| Lot Area | 2,196,731 sqft (50.4 acres) |
|---|
| Street Address | 31714 S KOSTER RD |
|---|---|
| City | TRACY |
| State | CA |
| Zip | 95304 |
| Property Category | Agriculture or Farming |
| Property Type | Agriculture / Farming > Orchard (Fruit, Nut) |
| Legal Description | DESIGNATED REMAINDER 26 PM 178 |
| Legal Block | 1 |
| Jurisdiction | SAN JOAQUIN CA |
| Township / Civil Division | TRACY |
| Census Block Group | 1 |
| Census Block | 1012 |
| Census Tract | 5503 |
31714 S Koster Rd, an agricultural property, is held in a trust.
Source: San Joaquin County records, as of October 13, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 31600 S KOSTER RD, TRACY, CA 95304-9551 |
| Owner Type | Company |
| Vesting | Trust |
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 |
|---|---|
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 31714 S Koster Rd was $11,438, up 1.5% from the year before.
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 | $11,438.00 (+1.5%) | |
| 2025 | $11,269.00 | $1,080,866 Land $825,375 Building $255,491 |
| 2023 | $10,730.00 (+1.81%) | $1,038,898 Land $793,326 Building $245,572 |
| 2022 | $10,539.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 31714 S Koster Rd in Zone X, an area of minimal flood risk.
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 | 3 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.
Wildfire risk around 31714 S Koster Rd is moderate, ranking above 64% of the US, with a 0.2% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 64% of the US · lower than 61% of California |
|---|---|
| Wildfire Likelihood | 0.2% 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 14 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| ezWave Fixed Wireless | 1,000 / 200 |
| Matrix Broadband Fixed Wireless | 400 / 80 |
| unWired Broadband Fixed Wireless | 400 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Cal.net Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 25 / 3 |
| T-Mobile Fixed Wireless | 25 / 3 |
May also be available: Xfinity.
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