Suffolk County and Boston City property record for 18 Commonwealth Ave, Boston, MA 02116
| Property Type | Apartments (5+ Units) |
|---|---|
| Details | 6,960 sqft · built 1920 |
| Lot Size | 0.054 acres (2,365 sqft) |
| Owner | Company Name on File |
| Last Sale | $7,850,000 (Sep 2024) |
| Tax Bill | $32,620 (2025) |
| Deeds & Mortgages | Jan 2026 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | CBOS W:05 P:01219 S:000 |
| Primary APN | CBOS W:05 P:01219 S:000 |
|---|
| Units | 11 Units |
|---|---|
| Stories | 5 Stories |
| Building Area | 6,960 sqft Living Area |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1980 |
| Exterior Material | Brick |
| Construction Type | Brick |
| Lot Area | 2,365 sqft (0.054 acres) |
| Street Address | 18 COMMONWEALTH AVE |
|---|---|
| City | BOSTON |
| State | MA |
| Zip | 02116-3112 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Apartments (5+ Units) |
| Local Zoning Code | A |
| Jurisdiction | BOSTON MA |
| Township / Civil Division | BOSTON |
| Census Block Group | 3 |
| Census Block | 3003 |
| 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.
18 Commonwealth Ave, a residential property, is owned by a company that bought it in September 2024.
Source: Suffolk County and Boston City records, as of October 5, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 200 FALCON ST, EAST BOSTON, MA 02128-2509 |
| Owner Type | Company |
| Vesting | Company |
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 | Sep 10, 2024 · Amount on File |
| Deed Sale | Sep 10, 2024 · Amount on File |
| Deed Document Number | 202456621 |
| Deed Book / Page | 70586 / 97 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOSTON MA |
| Property Address | 18 COMMONWEALTH AVE, BOSTON, MA 02116-3112 |
| Transaction Type | Mortgage |
| Record Updated | Feb 4, 2026 |
| Name | Verified Name |
|---|
| Document Number | 072306-309 |
|---|---|
| Date | Jan 12, 2026 |
| Book Page | 72306/309 |
| Instrument | 1591 |
| Name | CCG FUND 1 LLC |
|---|
| Amount | Amount on Record |
|---|
The 2025 property tax bill for 18 Commonwealth Ave was $32,620, up 10.5% 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 | $32,620.00 (+10.46%) | $2,816,900 (+3.97%) Land $1,382,500 Building $1,434,400 |
| 2024 | $29,531.00 (-1.76%) | $2,709,300 (-3.2%) Land $1,382,500 Building $1,326,800 |
| 2023 | $30,061.00 | $2,799,000 Land $1,382,500 Building $1,416,500 |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
FEMA maps place 18 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 18 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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