San Joaquin County property record for 33585 S Koster Rd, Tracy, CA 95304 · Last verified May 2026
| Property Type | Rural Home |
|---|---|
| Details | 3 bd · 3 ba · 2,625 sqft · built 1981 |
| Lot Size | 1.26 acres (54,886 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,519 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 255-090-330-000 |
| Primary APN | 255-090-330-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Stories | 1 Story |
| Building Area | 2,625 sqft Living Area |
| 1st Floor Area | 2,625 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1981 |
|---|---|
| Effective Year Built | Effective 1981 |
| Construction Type | Wood |
| Lot Area | 54,886 sqft (1.26 acres) |
| Parking Spaces | 3 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Old Parcel Number | 255-090-33 |
|---|---|
| Street Address | 33585 S KOSTER RD |
| City | TRACY |
| State | CA |
| Zip | 95304-9196 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Rural Home |
| Legal Description | 80-FM PT OF PAR 8 & PT TO 30/31/32/34 |
| 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 · APN 255-090-330-000
Assessment roll updated September 24, 2025 · Last verified May 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 File |
|---|---|
| Mailing Address | 33585 S KOSTER RD, TRACY, CA 95304-9196 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Jan 22, 2020 |
| Transfer Doc | 0000012790 |
| Record Updated | Jun 08, 2026 |
Source: San Joaquin County records · Assessment roll updated September 24, 2025 · Last verified May 2026
| 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 and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $3,519.00 (+4.89%) Homeowner's exemption | $330,097 (+4.04%) Land $72,147 Building $257,950 | |
| 2023 | $3,355.00 (+1.79%) Homeowner's exemption | $317,282 Land $69,347 Building $247,935 | $1,097,100 |
| 2022 | $3,296.00 |
Source: FEMA National Flood Hazard Layer, San Joaquin County (06077C), updated September 27, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060770055022, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| 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, river or lake flooding, Severe Winter Storms, Flooding, Landslides, And Mudslides |
| Wildfire Risk | High above 74% of the US · above 50% of California |
|---|---|
| Wildfire Likelihood | About 1 in 257 per year |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 13 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| ezWave | Fixed Wireless (unlicensed) | 1,000 / 200 |
| Zinnia Networks | Fixed Wireless (unlicensed) | 400 / 80 |
| UnWired Broadband Holding | Fixed Wireless (licensed-by-rule) | 400 / 50 |
| Verizon | Fixed Wireless | 300 / 20 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
| Cal.net | Fixed Wireless (unlicensed) | 100 / 20 |
| AT&T | Fixed Wireless | 25 / 3 |
Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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