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INVESTMENT SNAPSHOT
About this property
Exceptional six-family investment opportunity just steps from Kendall Square. This well-maintained three-story building features two units per floor. The two ground-level units offer private entrances, while the upper-level units are accessed via shared entrances—one for the left-side units on the second and third floors, and one for the right side. Four units (on the ground and second floors) include 2 bedrooms and 1 bathroom, while the two top-floor units feature 3 bedrooms and 1 bathroom. The property has been professionally managed, and all units are in excellent condition. Strong rental income with a cap rate above 5%. Flexible ownership options: occupy one unit and rent the others or operate all six as income-generating rentals. All current leases end on Aug 31, 2026. A full basement with over 1,800 square feet offers significant potential for additional use or future finishing. See attached interactive floor plans and 3D tour for a detailed view of the property.
Property details
| Units | 6 |
| Living area | 5,267 sqft |
| Lot size | 4,049 sqft |
| Year built | 1915 |
| Price / sqft | $680 |
| County | Middlesex |
| MLS # | 73506308 |
Listing status
| Days on market | 9 days |
| Listed on | April 23, 2026 |
Taxes & financials
| Annual property tax | $15,150 |
| Tax year | 2026 |
| Assessed value | $2,271,300 |
| Zoning | C-1 |
| Gross income (actual) | $20,050/yr |
| Net operating income (actual) | $194,400/yr |
| Total actual rent | $20,050/mo |
Building & lot
| Stories | 5 |
| Total rooms | 33 |
| Lot size | 0.09 acres |
| Garage spaces | 0 |
| Parking spaces | 0 |
| Parking | On Street |
| Basement | Full, Unfinished |
| Foundation | Stone |
| Roof | Tar/Gravel |
| Construction | Stone |
| Flooring | Tile, Vinyl, Hardwood |
Utilities & systems
| Sewer | Public Sewer |
| Water | Public |
| Utilities | for Gas Range |
Location
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Listing courtesy of Coldwell Banker Realty - Cambridge — Nathan Long. Listing data © MLS PIN.
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Questions & answers
Auto-generated from the listing data — richer AI answers coming with the live site.
How many units does 9-15 Berkshire St, Cambridge MA 02141 have?
It is a 6-unit multi-family property with 5,267 sqft of living area, built in 1915.
How long was 9-15 Berkshire St, Cambridge MA 02141 on the market before it sold?
9-15 Berkshire St, Cambridge MA 02141 sold after about 134 days on the market (listed April 23, 2026, closed September 4, 2026).
What is the estimated cap rate on this 6-family in Cambridge?
Based on area median rents, the estimated cap rate is about 4.4%, with a Signal Score of 78/100. These are directional estimates, not an appraisal.
What is the price per unit?
At a list price of $3,698,000 across 6 units, that works out to roughly $616,333 per unit.
What are the property taxes on 9-15 Berkshire St, Cambridge MA 02141?
Annual property taxes are $15,150 (2026), on an assessed value of $2,271,300.
What is the price per square foot?
At $3,698,000 for 5,267 sqft, that's about $680 per square foot.
Where is this property located?
9-15 Berkshire St, Cambridge MA 02141 is in Cambridge, Middlesex County, MA 02141.
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