San Joaquin County property record for 18500 Upstream Dr, Lathrop, CA 95330
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 4.5 ba · 2,906 sqft · built 2016 |
| Lot Size | 0.228 acres (9,940 sqft) |
| Owner | 2 Company Names on Record |
| Last Sale | $447,500 (Feb 2016) |
| Tax Bill | $9,756 (2026) |
| Flood Zone | Zone X (reduced by levee) |
| APN | 213-450-070-000 |
| Primary APN | 213-450-070-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,906 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2016 |
|---|---|
| Effective Year Built | Effective 2016 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 9,940 sqft (0.228 acres) |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Old Parcel Number | 213-450-07 |
|---|---|
| Street Address | 18500 UPSTREAM DR |
| City | LATHROP |
| State | CA |
| Zip | 95330-8597 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | 15-FM PT OF 213-310-24 PER RM 42-033 |
| Legal Subdivision | TRACT 3793 RIVER ISLANDS VILLAGE C5 |
| Legal Block | 1 |
| Legal Lot Number | 19 |
| Jurisdiction | SAN JOAQUIN CA |
| Township / Civil Division | TRACY |
| Census Block Group | 1 |
| Census Block | 1077 |
| Census Tract | 5214 |
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 Company Names on Record |
|---|---|
| Mailing Address | 18500 UPSTREAM DR, LATHROP, CA 95330-8597 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 10, 2016 · Amount on Record |
| Deed Sale | Feb 10, 2016 · Amount on Record |
| Deed Document Number | 201616296 |
| Prior Transfer Date | Feb 1, 2016 |
| Prior Transfer Doc | 0000016298 |
| Record Updated | Oct 29, 2026 |
Source: San Joaquin County assessment roll, as of September 24, 2025
| Type | Name |
|---|---|
| State | California |
| County | San Joaquin County |
| Municipality | Lathrop City |
| Unified School District | Banta Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $9,756.00 (+1.87%) | ||
| 2025 | $9,577.00 (+4.68%) | $529,342 (+4.04%) Land $185,260 Building $344,082 | |
| 2023 | $9,149.00 (+2.06%) Homeowner's exemption | $508,789 Land $178,067 Building $330,722 | $730,350 |
| 2022 | $8,964.00 |
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 reduced by levee · depends on levee performance |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 107 policies |
| Community Rating System | Class 7 (15% premium discount) |
| Nearby Flood Policies | 107 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 80% of the US · lower than 88% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF LATHROP serves 38,596 people · EPA ID CA3910015 |
|---|---|
| Water Source | Purchased surface water from SOUTH SAN JOAQUIN IRRIGATION DISTRICT |
| Last State Inspection | Dec 2024 |
| Also Mapped Here | SAN JOAQUIN COUNTY-MOKELUMNE ACRES |
| Lead | Under 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 127 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| AT&T Fiber · Fixed Wireless in parts of the area | 1,000 / 1,000 |
| unWired Broadband Fixed Wireless | 400 / 50 |
| Verizon Fixed Wireless | 300 / 20 |
| Matrix Broadband Fixed Wireless | 200 / 40 |
| Cal.net Fixed Wireless | 100 / 20 |
May also be available: Ayera Technologies.
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