Plymouth County and Wareham Town property record for 366 Onset Ave, #A, Onset, MA 02558
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,025 sqft · built 1882 |
| Lot Size | 0.35 acres (15,230 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $2,433 (2026) |
| Deeds & Mortgages | Sep 2025 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | WARE M:00017 B:000 L:1015A |
| Primary APN | WARE M:00017 B:000 L:1015A |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,025 sqft Living Area |
| Gross Area | 2,196 sqft |
| Basement Area | 833 sqft |
| Unfinished Basement | 833 sqft |
| Year Built | Built 1882 |
|---|---|
| Effective Year Built | Effective 1882 |
| Architectural Style | Conventional |
| Exterior Material | Other |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 15,230 sqft (0.35 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Street Address | 366 ONSET AVE, A |
|---|---|
| City | ONSET |
| State | MA |
| Zip | 02558 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | OVR |
| Legal Lot Number | 1015A |
| Jurisdiction | WAREHAM MA |
| Township / Civil Division | WAREHAM |
| Census Block Group | 1 |
| Census Block | 1003 |
| Census Tract | 545300 |
Source: Plymouth County and Wareham Town records, as of October 20, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | PO BOX 404, HARWICH, MA 02645-0404 |
| Owner Type | Individual |
| Vesting | Individual(s) |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | May 1, 2025 |
| Transfer Doc | 059912-348 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WAREHAM MA |
| Property Address | 366 ONSET AVE # A, A, ONSET, MA 02558 |
| Transaction Type | Mortgage |
| Record Updated | Nov 25, 2025 |
| Name | Verified Name |
|---|---|
| Investor | Possibly a Property Investor |
| Document Number | 060319-334 |
|---|---|
| Date | Sep 10, 2025 |
| Book Page | 60319/334 |
| Instrument | 58971 |
| Name | EASTERN BANK |
|---|---|
| Type | Bank |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Rate Type | Adjustable Rate |
|---|
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 | Assessed Market Value |
|---|---|---|---|
| 2026 | $2,433.00 (-18.19%) | $284,200 (+4.91%) Land $95,800 Building $188,400 | $392,615 (+6.79%) |
| 2025 | $2,974.00 (-0.9%) | $270,900 (+5.45%) Land $95,800 Building $175,100 | $367,650 |
| 2024 | $3,001.00 (+4.35%) | $256,900 (+9.88%) Land $75,400 Building $181,500 | |
| 2023 | $2,876.00 | $233,800 Land $68,500 Building $165,300 |
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 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 Record 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · above 57% of Massachusetts |
|---|---|
| Wildfire Likelihood | 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 | 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 191 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fiber · Fixed Wireless in parts of the area | 980 / 880 |
5G (outdoors only) and 4G LTE
Search by:
By searching, you agree to: Terms • Privacy • Disclosures