San Joaquin County property record for 34093 S Koster Rd, Tracy, CA 95304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,351 sqft · built 1979 |
| Lot Size | 1.25 acres (54,450 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $8,162 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 255-090-280-000 |
| Primary APN | 255-090-280-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,351 sqft Living Area |
| 1st Floor Area | 1,351 sqft |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 54,450 sqft (1.25 acres) |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Old Parcel Number | 255-090-28 |
|---|---|
| Street Address | 34093 S KOSTER RD |
| City | TRACY |
| State | CA |
| Zip | 95304-8999 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | AG40 |
| Legal Description | 80-FM PAR 26 & PT TO 27 & 28 |
| Legal Block | 2 |
| Jurisdiction | SAN JOAQUIN CA |
| Township / Civil Division | TRACY |
| Census Block Group | 2 |
| Census Block | 2029 |
| 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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 34093 S KOSTER RD, TRACY, CA 95304-8999 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names 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 | $8,162.00 (+0.58%) | |
| 2025 | $8,115.00 (+1.87%) Homeowner's exemption | $300,006 (+4.04%) Land $172,240 Building $127,766 |
| 2023 | $7,966.00 (+0.68%) Homeowner's exemption | $288,357 Land $165,552 Building $122,805 |
| 2022 | $7,912.00 |
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 | 6 in force |
| Nearby Flood Claims | 5 (1998–2023) |
| Claims Outside the SFHA | 5 of 5 |
| Most Recent Claim | Jan 2023 · 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 80% of the US · above 58% of California |
|---|---|
| Wildfire Likelihood | 0.5% 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 10 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
| Cal.net Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 25 / 3 |
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