Suffolk County and Boston City property record for 5 Commonwealth Ave, Boston, MA 02116
| Property Type | Single Family Home |
|---|---|
| Details | 7 bd · 8 ba · 20,326 sqft · built 1904 |
| Lot Size | 0.229 acres (9,960 sqft) |
| Owner | Trust Name on File |
| Last Sale | $38,590,000 (Nov 2014) |
| Tax Bill | $317,350 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | CBOS W:05 P:02826 S:000 |
| Primary APN | CBOS W:05 P:02826 S:000 |
|---|
| Bedrooms | 7 Beds |
|---|---|
| Full Baths | 8 Baths |
| Half Baths | 4 Half Baths |
| Total Rooms | 18 Rooms |
| Stories | 4 Stories |
| Building Area | 20,326 sqft Living Area |
| Gross Area | 22,974 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1904 |
|---|---|
| Effective Year Built | Effective 2008 |
| Architectural Style | Other |
| Exterior Material | Brick |
| Construction Type | Masonry / Concrete Block |
| Roof Type | Mansard |
| Roof Material | Slate |
| Lot Area | 9,960 sqft (0.229 acres) |
| Parking Spaces | 4 Parking Spaces |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Street Address | 5 COMMONWEALTH AVE |
|---|---|
| City | BOSTON |
| State | MA |
| Zip | 02116-2102 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Jurisdiction | BOSTON MA |
| Township / Civil Division | BOSTON |
| Census Block Group | 3 |
| Census Block | 3001 |
| Census Tract | 10702 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Back Bay Historic District listed 1973 · 1,445 contributing resources · NRIS 73001948 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
5 Commonwealth Ave is held in a trust since November 2014.
Source: Suffolk County and Boston City records, as of April 14, 2026
| Owner of Record | Trust Name on File |
|---|---|
| Mailing Address | 116 FLANDERS RD, 1100, WESTBOROUGH, MA 01581-1072 |
| Owner Type | Company |
| 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 20, 2014 · Amount on File |
| Deed Sale | Nov 20, 2014 · Amount on File |
| Prior Sale | Mar 6, 2009 · Amount on File |
| Deed Book / Page | 53733 / 87 |
| Transfer Doc | 53733-87 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 5 Commonwealth Ave was $317,350, down 3% 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 |
|---|---|---|
| 2025 | $317,350.00 (-3.03%) | $27,405,000 (-8.72%) Land $8,854,100 Building $18,550,900 |
| 2024 | $327,254.00 (+1.49%) | $30,023,300 (-) Land $9,571,500 Building $20,451,800 |
| 2023 | $322,450.00 | $30,023,300 Land $9,571,500 Building $20,451,800 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 5 Commonwealth Ave in Zone X, an area of minimal flood risk.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 10 (0% premium discount) |
| Nearby Flood Policies | 7 units insured incl. 5 condo units |
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 5 Commonwealth Ave 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 794 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 |
| Netafy Fixed Wireless | 500 / 150 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Starry.
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