Alameda County property record for 4203 Roscommon Way, Dublin, CA 94568
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,902 sqft · built 2000 |
| Lot Size | 0.096 acres (4,181 sqft) |
| Owner | Company Name on Record |
| Last Sale | $655,000 (Mar 2011) |
| Tax Bill | $11,624 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 986-20-62 |
| Primary APN | 986-20-62 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 9 Rooms |
| Stories | 2 Stories |
| Building Area | 2,902 sqft Living Area |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2001 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 4,181 sqft (0.096 acres) |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 4203 ROSCOMMON WAY |
|---|---|
| City | DUBLIN |
| State | CA |
| Zip | 94568-7811 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00060 BLK: TR: 7084 |
| Legal Tract | 7084 |
| Legal Lot Number | 60 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | LIVERMORE-PLEASANTON |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 450101 |
Source: Alameda County records, as of August 5, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 4203 ROSCOMMON WAY, DUBLIN, CA 94568-7811 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 30, 2011 · Amount on Record |
| Deed Sale | Mar 30, 2011 · Amount on Record |
| Prior Sale | Oct 17, 2006 · Amount on Record |
| Deed Document Number | 201194466 |
| Last Transfer Date | Nov 10, 2015 |
| Transfer Doc | 0000331276 |
| Record Updated | Oct 29, 2026 |
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Dublin City |
| Unified School District | Dublin Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $848,901 (+1.17%) Land $256,770 Building $599,131 | ||
| 2025 | $11,624.00 (+2.83%) Homeowner's exemption | $839,120 (+4.04%) Land $251,736 Building $587,384 | |
| 2023 | $11,304.00 Homeowner's exemption | $806,547 Land $241,964 Building $564,583 | $1,617,390 |
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 May 25, 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 |
| Nearby Flood Policies | 1 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 99.1% of the US · lower than 99.2% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% 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: EPA Safe Drinking Water Information System, as of September 2026
| Water System | DUBLIN SAN RAMON SERVICES DISTRICT serves 98,776 people · EPA ID CA0110009 |
|---|---|
| Water Source | Purchased surface water from ZONE 7 WATER AGENCY |
| Last State Inspection | Sep 2024 |
| Lead | Under 1 ppb (2023–2025) 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 471 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Sail Internet.
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