San Joaquin County property record for 30999 S Koster Rd, Tracy, CA 95304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,975 sqft · built 1974 |
| Lot Size | 1.6 acres (69,696 sqft) |
| Owner | Individual Name on File |
| Last Sale | $950,000 (Feb 2025) |
| Tax Bill | $1,982 (2026) |
| Deeds & Mortgages | Jan 2021 Mortgage Sep 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 255-290-010-000 |
| Primary APN | 255-290-010-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 1 Story |
| Building Area | 1,975 sqft Living Area |
| 1st Floor Area | 1,975 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 1974 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 69,696 sqft (1.6 acres) |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Old Parcel Number | 255-290-01 |
|---|---|
| Street Address | 30999 S KOSTER RD |
| City | TRACY |
| State | CA |
| Zip | 95304-8825 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RR |
| Legal Description | 86 FM PT 255-110-50 PER SUBD MAP |
| Legal Subdivision | PIPER PLACE |
| Legal Block | 1 |
| Legal Lot Number | 1 |
| Jurisdiction | SAN JOAQUIN CA |
| Township / Civil Division | TRACY |
| Census Block Group | 1 |
| Census Block | 1005 |
| Census Tract | 5503 |
30999 S Koster Rd is owned and occupied by an individual who bought it in February 2025.
Source: San Joaquin County records, as of October 13, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 30999 S KOSTER RD, TRACY, CA 95304-8825 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Sole Owner |
| Date | Document |
|---|---|
| Jan 15, 2021 | Intrafamily Transfer, Transfer · Conventional Mortgage QUICKEN LOANS LLC |
| Sep 19, 2019 | Deed of Trust, Mortgage · Conventional Mortgage PENNYMAC |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 14, 2025 · Amount on File |
| Deed Sale | Feb 14, 2025 · Amount on File |
| Deed Document Number | 202511745 |
| Prior Transfer Date | Feb 7, 2025 |
| Prior Transfer Doc | 0000011746 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | SAN JOAQUIN CA |
| Recording Date | Jan 15, 2021 |
| Property Address | 30999 S KOSTER RD, TRACY, CA 95304-8825 |
| Document Number | 0000008815 |
| Map Reference | VOL 27 PG 36 |
| Instrument Date | Nov 24, 2020 |
| Instrument | 2021-008815 |
| Transaction Type | Transfer |
| Record Updated | Aug 3, 2021 |
| Title Company | FIRST AMERICAN TITLE INS CO |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Revocable Living Trust |
| Address | 30999 S KOSTER RD, TRACY, CA 95304-8825 |
| Document Number | 0000008816 |
|---|---|
| Date | Jan 15, 2021 |
| Instrument | 2021-008816 |
| Name | QUICKEN LOANS LLC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 359 Months |
| Due | Dec 1, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | SAN JOAQUIN CA |
| Property Address | 30999 S KOSTER RD, TRACY, CA 95304-8825 |
| Document Number | 0000109966 |
| Instrument Date | Sep 19, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Oct 16, 2019 |
| Title Company | TITLE 365 |
| Name | Verified Name |
|---|---|
| Relationship | Revocable Trust |
| Address | 30999 S KOSTER RD TRACY CA 953048825, TRACY, CA 95304-8825 |
| Document Number | 0000109966 |
|---|---|
| Date | Sep 30, 2019 |
| Instrument | 109966 |
| Name | PENNYMAC |
|---|---|
| Address | WESTLAKE VILLAGE, CA 91361 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Sep 29, 2049 |
The 2026 property tax bill for 30999 S Koster Rd was $1,982, up 5.2% 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 | $1,982.00 (+5.2%) | |
| 2025 | $1,884.00 | $160,148 Land $13,846 Building $146,302 |
| 2023 | $1,805.00 (+1.63%) Homeowner's exemption | $153,931 Land $13,309 Building $140,622 |
| 2022 | $1,776.00 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 30999 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 30999 S Koster Rd is moderate, ranking above 53% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 53% of the US · lower than 68% of California |
|---|---|
| Wildfire Likelihood | 0.1% 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 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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