Middlesex County and Cambridge City property record for 4 Riverside Pl, Cambridge, MA 02139
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1.5 ba · 1,260 sqft · built 1886 |
| Lot Size | 0.029 acres (1,248 sqft) |
| Owner | 2 Trust Names on File |
| Tax Bill | $5,662 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 130-5 |
| Primary APN | 130-5 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 4 Rooms |
| Stories | 2 Stories |
| Building Area | 1,260 sqft Living Area |
| Gross Area | 2,055 sqft |
| 1st Floor Area | 630 sqft |
| Basement Area | 630 sqft |
| Unfinished Basement | 630 sqft |
| Year Built | Built 1886 |
|---|---|
| Effective Year Built | Effective 1886 |
| Architectural Style | Colonial |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Brick |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 1,248 sqft (0.029 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | Steam |
| Heating Fuel | Gas |
| Street Address | 4 RIVERSIDE PL |
|---|---|
| City | CAMBRIDGE |
| State | MA |
| Zip | 02139-3711 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | C-1 |
| Legal Lot Number | 5 |
| Jurisdiction | CAMBRIDGE MA |
| Township / Civil Division | CAMBRIDGE |
| Census Block Group | 2 |
| Census Block | 2017 |
| Census Tract | 353900 |
4 Riverside Pl, a single family home, is held in a trust.
Source: Middlesex County and Cambridge City records, as of July 20, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 46 REED ST, CAMBRIDGE, MA 02140-2414 |
| Owner Type | Company |
| Vesting | Trust |
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 | Sep 20, 2026 |
The 2025 property tax bill for 4 Riverside Pl was $5,662, up 1.6% from the year before.
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) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $5,662.00 (+1.58%) | $891,600 (-5.31%) Land $684,700 Building $206,900 | $1,713,325 (+36.47%) |
| 2024 | $5,574.00 | $941,600 Land $743,600 Building $198,000 | $1,255,425 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 4 Riverside Pl in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 9 (5% premium discount) |
| 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 4 Riverside Pl 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 536 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 2,000 |
| Verizon Fixed Wireless | 1,000 / 75 |
| Starry Fixed Wireless | 500 / 200 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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