Plymouth County and Wareham Town property record for 21 Main Ave, Onset, MA 02558
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 832 sqft · built 1940 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $205,000 (Sep 2009) |
| Tax Bill | $3,309 (2025) |
| Deeds & Mortgages | Apr 2022 Refinance Sep 2023 Line of Credit + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | WARE M:00011 B:000 L:00148 |
| Primary APN | WARE M:00011 B:000 L:00148 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Half Baths | 1 Half Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 832 sqft Living Area |
| Gross Area | 1,925 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Architectural Style | Ranch |
| Exterior Material | Wood Siding |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 6,000 sqft (0.138 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Street Address | 21 MAIN AVE |
|---|---|
| City | ONSET |
| State | MA |
| Zip | 02558 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Lot Number | 148 |
| Jurisdiction | WAREHAM MA |
| Township / Civil Division | WAREHAM |
| Census Block Group | 4 |
| Census Block | 4009 |
| Census Tract | 545300 |
Source: Plymouth County and Wareham Town records, as of April 14, 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 823, BUZZARDS BAY, MA 02532-1923 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Apr 13, 2022 | Deed of Trust, Mortgage · Stand-Alone Refinance CITIZENS BANK |
| Sep 25, 2023 | Deed of Trust, Mortgage · Line of Credit ROCKLAND CREDIT UNION |
| Sep 23, 2020 | Deed of Trust, Mortgage · Stand-Alone Refinance SALEM FIVE MORTGAGE CORP |
| Sep 25, 2019 | Deed of Trust, Mortgage · Conventional with PMI CITIZENS BK/RI |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 4, 2009 · Amount on Record |
| Deed Sale | Sep 4, 2009 · Amount on Record |
| Prior Sale | Jul 25, 2007 · Amount on Record |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WAREHAM MA |
| Property Address | 21 MAIN AVE, ONSET, MA 02558 |
| Transaction Type | Mortgage |
| Record Updated | Mar 31, 2026 |
| Name | Verified Name |
|---|
| Document Number | 0000830476 |
|---|---|
| Date | Apr 13, 2022 |
| Instrument | 830476 |
| Name | CITIZENS BANK |
|---|---|
| Type | Bank |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | May 1, 2052 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WAREHAM MA |
| Property Address | 21 MAIN AVE, ONSET, MA 02558 |
| Transaction Type | Mortgage |
| Record Updated | Mar 31, 2026 |
| Name | Verified Name |
|---|
| Document Number | 058306-176 |
|---|---|
| Date | Sep 25, 2023 |
| Book Page | 58306/176 |
| Instrument | 61993 |
| Name | ROCKLAND CREDIT UNION |
|---|
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 241 Months |
| Due | Oct 1, 2043 |
| Rate Type | Adjustable Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WAREHAM MA |
| Property Address | 21 MAIN ST, WAREHAM, MA 02571 |
| Transaction Type | Mortgage |
| Record Updated | Feb 17, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000804141 |
|---|---|
| Date | Sep 23, 2020 |
| Instrument | 804141 |
| Name | SALEM FIVE MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Stand-Alone Refinance |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Oct 1, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | WAREHAM MA |
| Property Address | 21 MAIN ST, WAREHAM, MA 02571 |
| Document Number | 0000789709 |
| Instrument Date | Sep 25, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Oct 15, 2019 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Address | 21 MAIN AVE EAST WAREHAM MA 02538, EAST WAREHAM, MA 02538 |
| Document Number | 0000789709 |
|---|---|
| Date | Sep 30, 2019 |
| Instrument | 789709 |
| Name | CITIZENS BK/RI |
|---|---|
| Type | Bank |
| Type | Conventional with PMI |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Sep 29, 2049 |
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 | $3,309.00 (+1.75%) | $301,400 (+8.26%) Land $100,500 Building $200,900 |
| 2024 | $3,252.00 (+6.07%) | $278,400 (+11.67%) Land $77,300 Building $201,100 |
| 2023 | $3,066.00 | $249,300 Land $70,300 Building $179,000 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 45 policies |
| Nearby Flood Policies | 45 in force |
| Nearby Flood Claims | 8 (1991–2005) |
| Claims Outside the SFHA | 2 of 8 |
| Most Recent Claim | Oct 2005 · Severe Storms And Flooding |
| 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 | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 121 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fiber · Fixed Wireless | 980 / 880 |
| Starlink Satellite | 280 / 30 |
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