Offered for sale is the best two family you will ever see in Kendall Square/MIT. This home is set on a corner giving it an oversized lot with a lovely, large walled garden. Substantially renovated in 2015 with 10 skylights, a sublime light-filled open-flow loft style owners' unit spans the second and third floor with a bedroom and full bath on each level. (Second bedroom currently being used as a second living room.) The owner's unit has beamed ceilings and black Hunter Douglas interior shutters, a chef’s kitchen with soapstone counters, a 48-inch double oven gas Wolf stove, a Wolf wall steam oven, Sub Zero double drawer freezer, Fisher Paykel refrigerator/freezer, tons of storage with beautiful custom built Imperia cabinetry, and two private porches--front and back. On the parlor level is a pitch-perfect spacious rental unit with with a strong income producing history (currently rented @4400/mo through October), comprised of two bedrooms--one at each end for optimal privacy--a generous eat-in-kitchen and large living room, adjoining dining room, and bathroom with linen closet. Full ceiling height in full basement. One off-street parking space, gated. Plenty of room for scooter and bike parking, or a shed. Walk score: 96/100 "Walker's Paradise." Surrounded by lush green city parks, a short walk to restaurants, the river and even Boston's Beacon Hill. No Open House - Viewings by Appointment. Please allow 24-48 hours for Seller response to Offer. Offers are due Sept 20 by 5:00 PM. Seller reserves the right to accept Offers before Offer due date.
| Units | 2 |
| Living area | 2,700 sqft |
| Lot size | 3,142 sqft |
| Year built | 1854 |
| Price / sqft | $817 |
| County | Middlesex |
| MLS # | 73577051 |
| Days on market | 4 days |
| Listed on | September 15, 2026 |
| Annual property tax | $8,713 |
| Tax year | 2026 |
| Assessed value | $1,781,300 |
| Zoning | C-1 |
| Gross income (actual) | $52,728/yr |
| Net operating income (actual) | $52,728/yr |
| Total actual rent | $4,400/mo |
| Stories | 3 |
| Total rooms | 12 |
| Lot size | 0.07 acres |
| Garage spaces | 0 |
| Parking spaces | 1 |
| Parking | Off Street, On Street, Stone/Gravel |
| Basement | Full, Walk-Out Access, Interior Entry, Bulkhead, Dirt Floor, Concrete, Unfinished |
| Foundation | Stone |
| Roof | Shingle, Rubber |
| Construction | Frame |
| Flooring | Wood, Tile, Hardwood |
| Sewer | Public Sewer |
| Water | Public |
| Utilities | for Gas Range, for Gas Oven, for Gas Dryer, for Electric Dryer, Washer Hookup, Icemaker Connection, Varies per Unit |
| Appliances | Plumbed For Ice Maker |
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Listing courtesy of Melcher Real Estate Group — Nina Quinlan. Listing data © MLS PIN.
Answered from the listing data and public map data.
It is a 2-unit multi-family property with 2,700 sqft of living area, built in 1854.
63 Sixth Street, Cambridge MA 02141 sold after about 43 days on the market (listed September 15, 2026, closed October 28, 2026).
At a list price of $2,195,000 across 2 units, that works out to roughly $1,097,500 per unit.
Annual property taxes are $8,713 (2026), on an assessed value of $1,781,300.
At $2,195,000 for 2,700 sqft, that's about $817 per square foot.
1 total parking space (off street, on street, stone/gravel).
63 Sixth Street, Cambridge MA 02141 is in Cambridge, Middlesex County, MA 02141.

Justin Rollo is a Broker Associate with Signal Real Estate (MA Lic. #9534264) and a lifelong Massachusetts resident. Over 14 years and hundreds of transactions, he has worked investment properties — multi-families and house-hacking — across Greater Boston full-time. Away from real estate, Justin is a proud dad, youth coach and local school-committee member — and a former professional poker player who still loves golf and following local sports.