Suffolk County and Winthrop Town City property record for 20 Thornton St, Winthrop, MA 02152
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,070 sqft · built 1920 |
| Lot Size | 0.129 acres (5,625 sqft) |
| Owner | Individual Name on File |
| Last Sale | $192,000 (Dec 1998) |
| Tax Bill | $5,817 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | WINT M:038 L:010 |
| Primary APN | WINT M:038 L:010 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,070 sqft Living Area |
| Gross Area | 3,436 sqft |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1920 |
| Architectural Style | Bungalow |
| Exterior Material | Combination |
| Roof Type | Hip |
| Roof Material | Asphalt |
| Lot Area | 5,625 sqft (0.129 acres) |
| Heating System | Hot Water |
|---|---|
| Heating Fuel | Oil |
| Street Address | 20 THORNTON ST |
|---|---|
| City | WINTHROP |
| State | MA |
| Zip | 02152-1752 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Lot Number | 10 |
| Jurisdiction | WINTHROP MA |
| Township / Civil Division | WINTHROP TOWN |
| Census Block Group | 2 |
| Census Block | 2001 |
| Census Tract | 180400 |
20 Thornton St is owned and occupied by an individual who bought it in December 1998.
Source: Suffolk County and Winthrop Town City records, as of October 20, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 20 THORNTON ST, WINTHROP, MA 02152-1752 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
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 | Name on Deed |
|---|---|
| Last Sale | Dec 18, 1998 · Amount on File |
| Deed Sale | Dec 18, 1998 · Amount on File |
| Prior Sale | Dec 9, 1992 · Amount on File |
| Deed Book / Page | 23242 / 125 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 20 Thornton St was $5,817, up 13.4% from the year before.
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 | $5,817.00 (+13.37%) | $522,200 (+5.03%) Land $357,400 Building $164,800 | $553,242 |
| 2025 | $5,131.00 (+4.16%) | $497,200 (+5.18%) Land $340,400 Building $156,800 | |
| 2024 | $4,926.00 (+5.26%) | $472,700 (+8.07%) Land $327,200 Building $145,500 | $623,295 |
| 2023 | $4,680.00 | $437,400 Land $299,400 Building $138,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 20 Thornton St in Zone X, an area of minimal flood risk, within 100 ft of a high-risk flood zone.
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 AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 8 in force |
| Nearby Flood Claims | 5 (1979–2017) |
| Most Recent Claim | Sep 2017 |
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 20 Thornton St 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 | 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 694 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, Netafy.
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