San Joaquin County property record for 31322 S Koster Rd, Tracy, CA 95304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,034 sqft · built 1950 |
| Lot Size | 0.47 acres (20,473 sqft) |
| Owner | Trust Name on Record |
| Last Sale | $112,000 (Dec 2011) |
| Tax Bill | $1,466 (2025) |
| Deeds & Mortgages | Jan 2017 Mortgage Sep 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 255-270-140-000 |
| Primary APN | 255-270-140-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Stories | 1 Story |
| Building Area | 1,034 sqft Living Area |
| 1st Floor Area | 1,034 sqft |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 20,473 sqft (0.47 acres) |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | None |
|---|
| Old Parcel Number | 255-270-14 |
|---|---|
| Street Address | 31322 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 | 79-FORM 255-140-09 REDRAWN & PG NO CHANGE |
| 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 May 6, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Trust Name on Record |
|---|---|
| Mailing Address | 31322 S KOSTER RD, TRACY, CA 95304-8824 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Trust, Family Trust |
| Date | Document |
|---|---|
| Jan 20, 2017 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Sep 22, 2020 | Deed of Trust, Mortgage · Conventional Mortgage JPMORGAN CHASE BANK NA |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 12, 2011 · Amount on Record |
| Deed Sale | Dec 12, 2011 · Amount on Record |
| Deed Document Number | 2011153373 |
| Prior Transfer Date | Sep 13, 2006 |
| Prior Transfer Doc | 0000203155 |
| Record Updated | Jun 8, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN JOAQUIN CA |
| Property Address | 31322 S KOSTER RD, TRACY, CA 95304-8824 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | TSI ESCROW CERRITOS |
| Name | Verified Name |
|---|
| Document Number | 0000008533 |
|---|---|
| Date | Jan 20, 2017 |
| Instrument | 2017-008533 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Feb 1, 2047 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN JOAQUIN CA |
| Property Address | 31322 S KOSTER RD, TRACY, CA 95304-8824 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Title Company | AMROCK TITLE CALIFORNIA INC |
| Name | Verified Name |
|---|---|
| Address | 31332 S KOSTER RD, COLUMBUS, OH 43240 |
| Document Number | 0000124436 |
|---|---|
| Date | Sep 22, 2020 |
| Instrument | 2020-124436 |
| Name | JPMORGAN CHASE BANK NA |
|---|---|
| Type | Bank |
| Address | COLUMBUS, OH 43240 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 359 Months |
| Due | Aug 1, 2050 |
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 | $1,466.00 (+5.01%) | $140,668 (+4.04%) Land $43,958 Building $96,710 | |
| 2023 | $1,396.00 (+1.9%) Homeowner's exemption | $135,207 Land $42,252 Building $92,955 | $386,100 |
| 2022 | $1,370.00 |
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 | Moderate above 57% of the US · lower than 66% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 57 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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