Suffolk County and Boston City property record for 20 Union Wharf, Boston, MA 02109
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2.5 ba · 2,290 sqft · built 1855 |
| Lot Size | 0.053 acres (2,290 sqft) |
| Owner | Trust Name on File |
| Last Sale | $3,100,000 (Nov 2016) |
| Tax Bill | $39,775 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | CBOS W:03 P:03038 S:255 |
| Primary APN | CBOS W:03 P:03038 S:255 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 3 Stories |
| Building Area | 2,290 sqft Living Area |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1855 |
|---|---|
| Effective Year Built | Effective 1978 |
| Architectural Style | Other |
| Exterior Material | Brick |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 2,290 sqft (0.053 acres) |
| Parking Spaces | 1 Parking Space |
| Cooling System | HVAC |
|---|---|
| Heating System | Heat Pump |
| Street Address | 20 UNION WHARF |
|---|---|
| City | BOSTON |
| State | MA |
| Zip | 02109-1202 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | CD |
| Legal Subdivision | UNION WHARF CONDO |
| Jurisdiction | BOSTON MA |
| Township / Civil Division | BOSTON |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 30500 |
20 Union Wharf, a condominium, is held in a trust since November 2016.
Source: Suffolk County and Boston City records, as of July 20, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 110 DRAKE RD, BURLINGTON, MA 01803-1839 |
| Owner Type | Individual |
| Vesting | Trust |
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 | Nov 30, 2016 · Amount on File |
| Deed Sale | Nov 30, 2016 · Amount on File |
| Prior Sale | Jun 27, 2002 · Amount on File |
| Deed Book / Page | 57195 / 123 |
| Transfer Doc | 057195-123 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 20 Union Wharf was $39,775, up 6.1% from the year before.
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 | Assessed Market Value |
|---|---|---|---|
| 2025 | $39,775.00 (+6.06%) | $3,434,800 (-0.17%) Building $3,434,800 | $4,162,710 (+0.95%) |
| 2024 | $37,503.00 (+2.51%) | $3,440,600 (+1%) Building $3,440,600 | $4,123,475 |
| 2023 | $36,586.00 | $3,406,500 Building $3,406,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 20 Union Wharf in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective January 21, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | 10.0 ft |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 15 individual policies |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 230 units insured incl. 215 condo units |
| Nearby Flood Claims | 11 (1991–2018) |
| Claims Outside the SFHA | 3 of 11 |
| Most Recent Claim | Jan 2018 · tidal / storm surge |
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 Union Wharf 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 | 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 917 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless · Fiber in parts of the area | 1,000 / 75 |
| Starry Fixed Wireless · Fiber in parts of the area | 800 / 250 |
| Netafy Fixed Wireless | 500 / 150 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, AT&T.
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