San Joaquin County property record for 31330 S Koster Rd, Tracy, CA 95304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,926 sqft · built 1956 |
| Lot Size | 0.47 acres (20,473 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $360,000 (Nov 2008) |
| Tax Bill | $4,878 (2025) |
| Deeds & Mortgages | Jul 2023 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 255-270-130-000 |
| Primary APN | 255-270-130-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,926 sqft Living Area |
| 1st Floor Area | 1,926 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1976 |
| Architectural Style | Custom Design |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Other |
| Lot Area | 20,473 sqft (0.47 acres) |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Old Parcel Number | 255-270-13 |
|---|---|
| Street Address | 31330 S KOSTER RD |
| City | TRACY |
| State | CA |
| Zip | 95304-8824 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RR |
| Legal Description | TWP 03S RGE 06E SEC 16 |
| Legal Block | 1 |
| Jurisdiction | SAN JOAQUIN CA |
| Township / Civil Division | TRACY |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 5503 |
Source: San Joaquin County records, as of September 24, 2025
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Company Names on Record |
|---|---|
| Mailing Address | 31330 S KOSTER RD, TRACY, CA 95304-8824 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 7, 2008 · Amount on Record |
| Deed Sale | Nov 7, 2008 · Amount on Record |
| Prior Sale | Dec 20, 2002 · Amount on Record |
| Deed Document Number | 2008175825 |
| Last Transfer Date | Jul 6, 2023 |
| Transfer Doc | 0000054216 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN JOAQUIN CA |
| Recording Date | Jul 11, 2023 |
| Property Address | 31330 S KOSTER RD, TRACY, CA 95304-8824 |
| Document Number | 0000054216 |
| Map Reference | MB 16 PG 134 |
| Instrument Date | Jul 6, 2023 |
| Instrument | 2023-054216 |
| Transaction Type | Transfer |
| Record Updated | Jul 24, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 31330 S KOSTER RD, TRACY, CA 95304-8824 |
| Investor | Possibly a Property Investor |
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 | Assessed Market Value |
|---|---|---|---|
| 2025 | $4,878.00 (+4.95%) | $463,566 (+4.04%) Land $139,068 Building $324,498 | |
| 2023 | $4,648.00 (+1.8%) Homeowner's exemption | $445,568 Land $133,669 Building $311,899 | $855,720 |
| 2022 | $4,566.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% of the US · lower than 78% of California |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | None beyond ember reach |
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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