Suffolk County and Winthrop Town City property record for 33 Sewall Ave, Winthrop, MA 02152
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,491 sqft · built 1923 |
| Lot Size | 0.121 acres (5,292 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $160,000 (Jun 1998) |
| Tax Bill | $6,993 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | WINT M:074 L:005 |
| Primary APN | WINT M:074 L:005 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,491 sqft Living Area |
| Gross Area | 2,398 sqft |
| Basement Area | 759 sqft |
| Unfinished Basement | 759 sqft |
| Year Built | Built 1923 |
|---|---|
| Effective Year Built | Effective 1923 |
| Architectural Style | Other |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 5,292 sqft (0.121 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Gas |
| Street Address | 33 SEWALL AVE |
|---|---|
| City | WINTHROP |
| State | MA |
| Zip | 02152-1003 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Lot Number | 5 |
| Jurisdiction | WINTHROP MA |
| Township / Civil Division | WINTHROP TOWN |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 180101 |
Source: Suffolk County and Winthrop Town City records, as of October 20, 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 | Individual Name on Record |
|---|---|
| Mailing Address | 33 SEWALL AVE, WINTHROP, MA 02152-1003 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 1, 1998 · Amount on Record |
| Deed Sale | Jun 1, 1998 · Amount on Record |
| Prior Sale | Oct 6, 1995 · Amount on Record |
| Deed Book / Page | 22520 / 104 |
| Record Updated | Oct 29, 2026 |
Source: Suffolk County and Winthrop Town City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Suffolk County |
| Municipality | Winthrop Town City |
| Unified School District | Winthrop School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $6,993.00 (+14.58%) | $627,700 (+6.14%) Land $408,900 Building $218,800 | $626,780 (-21.8%) |
| 2025 | $6,103.00 (-0.83%) | $591,400 (+0.14%) Land $389,400 Building $202,000 | |
| 2024 | $6,154.00 (+7.23%) | $590,600 (+10.1%) Land $390,500 Building $200,100 | $801,515 |
| 2023 | $5,739.00 | $536,400 Land $351,500 Building $184,900 |
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 January 21, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone VE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 15 policies |
| Nearby Flood Policies | 15 in force |
| Nearby Flood Claims | 25 (1978–2018) |
| Claims Outside the SFHA | 16 of 25 |
| Most Recent Claim | Aug 2018 · other causes |
| 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 | 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 | WINTHROP WATER DIVISION, (MWRA) serves 19,316 people · EPA ID MA3346000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Dec 2023 |
| Lead | 8 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 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 50 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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