Norfolk County and Brookline Town property record for 900 Commonwealth Ave, Boston, MA 02215
| Property Type | Exempt (Full or Partial) |
|---|---|
| Details | 5 ba · 67,902 sqft · built 1989 |
| Lot Size | 0.761 acres (33,136 sqft) |
| Owner | 2 Trust Names on File |
| Flood Zone | Zone X (minimal risk) |
| APN | 327020 |
| Primary APN | 327020 |
|---|---|
| Alternative APN |
|
| Full Baths | 5 Baths |
|---|---|
| Half Baths | 10 Half Baths |
| Stories | 3 Stories |
| Building Area | 67,902 sqft Total Area |
| Gross Area | 86,400 sqft |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1989 |
| Exterior Material | Stone |
| Construction Type | Steel Frame |
| Roof Type | Flat |
| Roof Material | Other |
| Lot Area | 33,136 sqft (0.761 acres) |
| Garage Type | Basement |
| Cooling System | HVAC |
|---|---|
| Heating System | Forced Air with A/C |
| Heating Fuel | Oil |
| Account Number | 327020 |
|---|---|
| Street Address | 900 COMMONWEALTH AVE |
| City | BROOKLINE |
| State | MA |
| Property Category | Other |
| Property Type | Other > Exempt (Full or Partial) |
| Local Zoning Code | G20 |
| Legal Block | 19 |
| Legal Lot Number | 1 |
| Jurisdiction | BROOKLINE MA |
| Township / Civil Division | BROOKLINE |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 400202 |
900 Commonwealth Ave is held in a trust.
Source: Norfolk County and Brookline Town records, as of October 20, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 930 COMMONWEALTH AVE, BOSTON, MA 02215-1274 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | 2 Names on Deed |
|---|---|
| Record Updated | Oct 29, 2026 |
Source: Norfolk County and Brookline Town assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Norfolk County |
| County Subdivision | Brookline Town |
| Unified School District | Brookline School District (PK - 12) |
| Year | Assessed Value |
|---|---|
| 2026 | $27,830,300 (-0.7%) Land $4,785,600 Building $23,033,800 |
| 2025 | $28,027,800 (+2.35%) Land $4,691,800 Building $23,336,000 |
| 2024 | $27,385,100 Land $4,691,800 Building $22,693,300 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 900 Commonwealth Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective May 26, 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 |
| Nearby Flood Policies | 1 in force |
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 900 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 | BROOKLINE WATER AND SEWER DIVISION serves 63,191 people · EPA ID MA3046000 |
|---|---|
| Water Source | Purchased surface water from MWRA |
| Last State Inspection | Apr 2026 |
| Lead | 1 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| 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 151 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Astound Broadband Cable | 1,500 / 50 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: OpenCape, Starry, Verizon.
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