Alameda County property record for 4420 Roscommon Way, Dublin, CA 94568
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.5 ba · 2,902 sqft · built 2000 |
| Lot Size | 0.092 acres (4,011 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $573,500 (Jan 2002) |
| Tax Bill | $11,814 (2025) |
| Deeds & Mortgages | Jan 2022 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 986-20-74 |
| Primary APN | 986-20-74 |
|---|---|
| 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 | 4,011 sqft (0.092 acres) |
| Parking Spaces | 3 Parking Spaces |
| Street Address | 4420 ROSCOMMON WAY |
|---|---|
| City | DUBLIN |
| State | CA |
| Zip | 94568-7814 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00072 BLK: TR: 7084 |
| Legal Tract | 7084 |
| Legal Lot Number | 72 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | LIVERMORE-PLEASANTON |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 450101 |
4420 Roscommon Way is owned and occupied by two individuals who bought it in January 2002.
Source: Alameda County records, as of August 5, 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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 4420 ROSCOMMON WAY, DUBLIN, CA 94568-7814 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jan 11, 2002 · Amount on File |
| Deed Sale | Jan 11, 2002 · Amount on File |
| Deed Document Number | 200219116 |
| Prior Transfer Date | Jan 7, 2002 |
| Prior Transfer Doc | 0000019117 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Property Address | 4420 ROSCOMMON WAY, DUBLIN, CA 94568-7814 |
| Transaction Type | Mortgage |
| Record Updated | Feb 17, 2022 |
| Title Company | WFG LENDER SERVICES |
| Name | Verified Name |
|---|---|
| Address | 4420 ROSCOMMON WAY, DUBLIN, CA 94568-7814 |
| Document Number | 0000018600 |
|---|---|
| Date | Jan 28, 2022 |
| Instrument | 2022018600 |
| Name | BANK OF AMERICA NA |
|---|---|
| Type | Bank |
| Address | TAMPA, FL 33634 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
The 2025 property tax bill for 4420 Roscommon Way was $11,814 with a homeowner's exemption.
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 | $856,663 (+1.17%) Land $301,348 Building $562,315 | ||
| 2025 | $11,814.00 Homeowner's exemption | $846,731 Land $295,440 Building $551,291 | |
| 2023 | $11,492.00 Homeowner's exemption | $813,858 Land $283,970 Building $529,888 | $1,619,280 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4420 Roscommon Way in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| 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.
The area around 4420 Roscommon 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 | 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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