Suffolk County and Boston City property record for 5 Mascoma St, Dorchester, MA 02121
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 3,275 sqft · built 1910 |
| Lot Size | 0.078 acres (3,409 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $6,801 (2025) |
| Deeds & Mortgages | Jan 2026 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | DORC W:13 P:00780 S:000 |
| Primary APN | DORC W:13 P:00780 S:000 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 10 Rooms |
| Units | 2 Units |
| Stories | 3 Stories |
| Building Area | 3,275 sqft Living Area |
| Gross Area | 5,122 sqft |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1910 |
| Architectural Style | Conventional |
| Exterior Material | Wood Siding |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 3,409 sqft (0.078 acres) |
| Parking Spaces | 2 Parking Spaces |
| Heating System | Hot Water |
|---|
| Street Address | 5 MASCOMA ST |
|---|---|
| City | DORCHESTER |
| State | MA |
| Zip | 02121-1911 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | R2 |
| Jurisdiction | BOSTON MA |
| Township / Civil Division | BOSTON |
| Census Block Group | 3 |
| Census Block | 3000 |
| Census Tract | 90300 |
Source: Suffolk County and Boston City records, as of June 30, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 5 MASCOMA ST, DORCHESTER, MA 02121-1911 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Married Person |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Dec 31, 2025 |
| Transfer Doc | 0000002720 |
| Record Updated | Sep 20, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | BOSTON MA |
| Recording Date | Jan 16, 2026 |
| Property Address | 5 MASCOMA ST, DORCHESTER, MA 02121-1911 |
| Document Number | 072324-150 |
| Book / Page | 72324 / 150 |
| Instrument Date | Dec 31, 2025 |
| Instrument | 2720 |
| Transaction Type | Transfer |
| Record Updated | Feb 4, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 5 MASCOMA ST, DORCHESTER, MA 02121-1911 |
Source: Suffolk County and Boston City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Suffolk County |
| Municipality | Boston City |
| Unified School District | Boston School District (PK - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2025 | $6,801.00 (+2.91%) | $587,300 (-3.13%) Land $198,400 Building $388,900 |
| 2024 | $6,609.00 (+3.51%) | $606,300 (+1.98%) Land $213,000 Building $393,300 |
| 2023 | $6,385.00 | $594,500 Land $208,900 Building $385,600 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective January 21, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; 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 | BOSTON WATER AND SEWER COMMISSION (MWRA) serves 675,647 people · EPA ID MA3035000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Mar 2026 |
| Lead | 6 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Lead service line replacement currently in violation since Nov 2020 |
| 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 908 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber · Fixed Wireless in parts of the area | 2,300 / 2,300 |
| Xfinity Cable · Fiber in parts of the area | 2,000 / 2,000 |
| Netafy Fixed Wireless | 600 / 150 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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