Suffolk County and Boston City property record for 3 Knapp St, Boston, MA 02111
| Property Type | Commercial Building, Warehouse, Showroom |
|---|---|
| Details | 23,696 sqft · built 1910 |
| Lot Size | 0.068 acres (2,962 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $114,437 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | CBOS W:03 P:04948 S:000 |
| Primary APN | CBOS W:03 P:04948 S:000 |
|---|
| Units | 9 Units |
|---|---|
| Stories | 8 Stories |
| Building Area | 23,696 sqft Total Area |
| Gross Area | 26,658 sqft |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 2019 |
| Exterior Material | Brick |
| Construction Type | Brick |
| Lot Area | 2,962 sqft (0.068 acres) |
| Street Address | 3 KNAPP ST |
|---|---|
| City | BOSTON |
| State | MA |
| Zip | 02111 |
| Property Category | Commercial |
| Property Type | Commercial > Retail > Commercial Building, Warehouse, Showroom |
| Local Zoning Code | C |
| Jurisdiction | BOSTON MA |
| Township / Civil Division | BOSTON |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 70202 |
3 Knapp St, a commercial property, is owned by two individuals.
Source: Suffolk County and Boston City records, as of April 14, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 400 SOUTH AVE, WESTON, MA 02493-1921 |
| Owner Type | Individual |
| Vesting | Life Estate |
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 | 2 Names on Deed |
|---|---|
| Record Updated | Jun 8, 2026 |
The 2025 property tax bill for 3 Knapp St was $114,437, up 7% 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 | $114,437.00 (+6.99%) | $4,408,200 (+4.15%) Land $904,600 Building $3,503,600 |
| 2024 | $106,960.00 (-9.11%) | $4,232,700 (-11.23%) Land $904,600 Building $3,328,100 |
| 2023 | $117,684.00 | $4,768,400 Land $904,600 Building $3,863,800 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 3 Knapp St 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 | 2 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 3 Knapp St 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 326 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable · Fiber in parts of the area | 2,000 / 2,000 |
| Netafy Fixed Wireless | 600 / 150 |
May also be available: Astound Broadband, AT&T, Starry, T-Mobile, Verizon.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures