San Joaquin County property record for 488 Sullivan Way, Mountain House, CA 95391
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,774 sqft · built 2003 |
| Lot Size | 0.153 acres (6,670 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $455,500 (Jan 2004) |
| Tax Bill | $12,733 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 254-100-410-000 |
| Primary APN | 254-100-410-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Stories | 2 Stories |
| Building Area | 2,774 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2003 |
|---|---|
| Effective Year Built | Effective 2003 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 6,670 sqft (0.153 acres) |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Old Parcel Number | 254-100-41 |
|---|---|
| Street Address | 488 SULLIVAN WAY |
| City | TRACY |
| State | CA |
| Zip | 95391-1102 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RL |
| Legal Description | LOT 86 |
| Legal Subdivision | MOUNTAIN HOUSE NEIGHBORHOOD F |
| Legal Block | 1 |
| Legal Lot Number | 86 |
| Jurisdiction | SAN JOAQUIN CA |
| Township / Civil Division | TRACY |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 5223 |
488 Sullivan Way is held in a trust since August 2025.
Source: San Joaquin County records, as of October 13, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 438 SULLIVAN WAY, TRACY, CA 95391-1102 |
| Owner Type | Company |
| Vesting | Trust |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 9, 2004 · Amount on File |
| Deed Sale | Jan 9, 2004 · Amount on File |
| Prior Sale | May 2, 2003 |
| Deed Document Number | 20043807 |
| Last Transfer Date | Aug 14, 2025 |
| Transfer Doc | 0000069416 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 488 Sullivan Way was $12,733, up 16.5% from the year before.
Source: San Joaquin County assessment roll, as of September 24, 2025
| Type | Name |
|---|---|
| State | California |
| County | San Joaquin County |
| Municipality | Mountain House City |
| Unified School District | Lammersville Joint Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $12,733.00 (+16.49%) | ||
| 2025 | $10,931.00 | $647,519 Land $193,353 Building $454,166 | |
| 2023 | $10,459.00 (+2.14%) | $622,377 Land $185,846 Building $436,531 | $938,160 |
| 2022 | $10,240.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 488 Sullivan Way in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 27, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
The area around 488 Sullivan Way has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 MOUNTAIN HOUSE serves 26,400 people · EPA ID CA3910027 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2025 |
| Lead | Under 1 ppb (2025) 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 653 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Matrix Broadband Fixed Wireless | 400 / 80 |
| unWired Broadband Fixed Wireless | 400 / 50 |
| Cal.net Fixed Wireless | 100 / 20 |
| AT&T DSL · Fiber in parts of the area | 100 / 20 |
May also be available: Verizon.
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