Suffolk County and Boston City property record for 403 Commonwealth Ave, Boston, MA 02215 · Last verified August 2026
| Property Type | Commercial > Office > Mixed Use Commercial Office / Residential |
|---|---|
| Year Built | Built 2018 |
| Square Footage | 11,570 sqft Total Area |
| Lot Size | 3,647 sqft (0.084 acres) |
| Primary APN | CBOS W:05 P:03832 S:000 |
|---|
| Units | 25 Units |
|---|---|
| Building Area | 11,570 sqft Total Area |
| Gross Area | 13,884 sqft Gross Area |
| Stories | 5 Stories |
| Year Built | Built 1899 |
|---|---|
| Effective Year Built | Effective 2018 |
| Exterior Material | Brick Exterior |
| Construction Type | Brick Construction |
| Lot Area | 3,647 sqft (0.084 acres) |
| Street Address | 403 COMMONWEALTH AVE |
|---|---|
| City | BOSTON |
| State | MA |
| Zip | 02215-2326 |
| Property Usage | Commercial Property Usage |
| Type | Commercial > Office > Mixed Use Commercial Office / Residential |
| Jurisdiction | BOSTON MA |
| Minor Civil Division | BOSTON |
| Census Blockgroup | 1 |
| Census Block | 1001 |
| Census Tract | 10104 |
Source: Suffolk County and Boston City records · APN CBOS W:05 P:03832 S:000
Assessment roll updated April 14, 2026 · Last verified August 2026
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| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 403 COMMONWEALTH AVE, BOSTON, MA 02215-2326 |
| Owner Type | Owner is a Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Refreshed | Sep 20, 2026 |
Source: Suffolk County and Boston City records · Assessment roll updated April 14, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Suffolk County |
| Municipality | Boston City |
| Unified School District | Boston School District (PK - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Assessed Value |
|---|---|
| 2025 | $4,331,800 (-4.42%) Land $1,257,000 Building $3,074,800 |
| 2024 | $4,532,200 Land $1,257,000 Building $3,275,200 |
403 Commonwealth Ave is in FEMA Zone X, outside the Special Flood Hazard Area, with no wildfire exposure.
Source: FEMA National Flood Hazard Layer · Suffolk County (25025C), updated January 21, 2026
| FEMA Flood Zone | Zone X minimal flood hazard · outside the 0.2% annual chance floodplain |
|---|---|
| Special Flood Hazard Area | No |
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020
| Wildfire Risk to Homes | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach of burnable land |
Values are read at the parcel center point; lenders make the official flood determination.
Source: NPS National Register of Historic Places · August 1, 2026 release
| 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.
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