Plymouth County and Wareham Town property record for 395 Onset Ave, Onset, MA 02558
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 1,903 sqft · built 1920 |
| Lot Size | 0.322 acres (14,005 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $4,000 (Jan 2001) |
| Tax Bill | $4,256 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | WARE M:00014 B:000 L:1040A |
| Primary APN | WARE M:00014 B:000 L:1040A |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Stories | 2 Stories |
| Building Area | 1,903 sqft Living Area |
| Gross Area | 3,542 sqft |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | Duplex Single |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 14,005 sqft (0.322 acres) |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Street Address | 395 ONSET AVE |
|---|---|
| City | ONSET |
| State | MA |
| Zip | 02558-1975 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Lot Number | 1040A |
| Jurisdiction | WAREHAM MA |
| Township / Civil Division | WAREHAM |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 545300 |
395 Onset Ave, a duplex, is owned by two individuals who bought it in January 2001.
Source: Plymouth County and Wareham Town records, as of April 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | PO BOX 1612, ONSET, MA 02558-1612 |
| Owner Type | Individual |
| Vesting | Husband and Wife |
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, 2001 · Amount on File |
| Deed Sale | Jan 9, 2001 · Amount on File |
| Prior Sale | Jun 22, 2000 · Amount on File |
| Deed Book / Page | 19244 / 290 |
| Transfer Doc | 0044493-68 |
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 395 Onset Ave was $4,256, up 4.5% from the year before.
Source: Plymouth County and Wareham Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Plymouth County |
| County Subdivision | Wareham Town |
| Unified School District | Wareham School District (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $4,256.00 (+4.49%) | $387,600 (+11.16%) Land $100,600 Building $287,000 |
| 2024 | $4,073.00 (+7.87%) | $348,700 (+13.58%) Land $79,100 Building $269,600 |
| 2023 | $3,776.00 | $307,000 Land $71,800 Building $235,200 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 395 Onset Ave 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 June 11, 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 |
| Flood Insurance Cost | Premium on File median of 78 policies |
| Nearby Flood Policies | 78 in force |
| Nearby Flood Claims | 99 (1978–2023) |
| Claims Outside the SFHA | 11 of 99 |
| Most Recent Claim | Dec 2023 · rainfall accumulation |
| Claims by Event |
|
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 395 Onset Ave is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 86% of Massachusetts |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 | ONSET FIRE DISTRICTWATER DEPT. serves 5,392 people · EPA ID MA4310003 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Mar 2026 |
| Lead | 3 ppb (2021–2023) action level 15 ppb |
| Water Quality | E. coli resolved · May 2019 |
|---|---|
| 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 78 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fiber | 980 / 880 |
| Starlink Satellite | 280 / 30 |
5G (outdoors only) and 4G LTE
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