Middlesex County and Cambridge City property record for 455 Main St, Cambridge, MA 02142
| Property Type | Public School (Administration, Campus, Dorms, Instruction) |
|---|---|
| Details | 253,017 sqft · built 1980 |
| Lot Size | 1.15 acres (50,270 sqft) |
| Owner | Company Name on File |
| Flood Zone | Zone X (minimal risk) |
| APN | 43-63 |
| Primary APN | 43-63 |
|---|---|
| Alternative APN |
|
| Stories | 7 Stories |
|---|---|
| Building Area | 253,017 sqft Total Area |
| 1st Floor Area | 31,860 sqft |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1980 |
| Exterior Material | Brick |
| Construction Type | Steel Frame |
| Roof Material | Tar & Gravel |
| Lot Area | 50,270 sqft (1.15 acres) |
| Heating System | Central |
|---|---|
| Heating Fuel | Gas |
| Street Address | 455 MAIN ST |
|---|---|
| City | CAMBRIDGE |
| State | MA |
| Zip | 02142-1025 |
| Property Category | Public Works |
| Property Type | Public Works > Public School (Administration, Campus, Dorms, Instruction) |
| Local Zoning Code | MXD |
| Legal Lot Number | 63 |
| Jurisdiction | CAMBRIDGE MA |
| Township / Civil Division | CAMBRIDGE |
| Census Block Group | 2 |
| Census Block | 2000 |
| Census Tract | 353102 |
455 Main St, a public works property, is owned by a company.
Source: Middlesex County and Cambridge City records, as of April 14, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 9 CAMBRIDGE CTR, CAMBRIDGE, MA 02142-1401 |
| Owner Type | 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 |
|---|---|
| Record Updated | Jun 8, 2026 |
Source: Middlesex County and Cambridge City assessment roll, as of April 14, 2026
| Type | Name |
|---|---|
| State | Massachusetts |
| County | Middlesex County |
| Municipality | Cambridge City |
| Unified School District | Cambridge School District (PK - 12) |
FEMA maps place 455 Main St in Zone X, an area of minimal flood risk, though there have been 4 flood claims nearby since 1978.
Source: FEMA National Flood Hazard Layer, effective September 10, 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 Claims | 4 (1978–2010) |
| Claims Outside the SFHA | 2 of 4 |
| Most Recent Claim | Jul 2010 · rainfall accumulation |
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 455 Main 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 | CAMBRIDGE WATER DEPARTMENT serves 118,214 people · EPA ID MA3049000 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jun 2023 |
| Lead | 8 ppb (2021–2023) 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 53 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, Netafy, Starry, Verizon.
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