We are pleased to present this multifamily opportunity for sale in Mattapan, MA. The building is made up of six 2-bedroom / 1-bathroom units that are positioned for rent growth through in-unit upgrades and releasing. Each with impressive layouts, the units offer comfortable living and design that maximizes space. The building benefits from its position within Mattapan, a neighborhood that continues to elevate its profile as one of Boston’s most dynamic and in-demand residential communities for families and working professionals. The property is well positioned to benefit from its proximity to the Mattapan Line, multiple bus routes, and key corridors such as Blue Hill Avenue, offering convenient access to downtown Boston and surrounding submarkets. Residents enjoy a highly walkable environment near local dining, retail, and community amenities.
Listed by Kevin Benzinger
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Boston Realty Advisors
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860-424-7613
Listed by Daniel Alper
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Boston Realty Advisors
Listed by Christopher Hatem
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Boston Realty Advisors
Last updated January 13, 2026
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Source: MLSPin #73467061
Listing Facts
TypeMulti-family
NeighborhoodSouthern Mattapan
Bedrooms12
Bathrooms6
Days on Prevu22
Taxes$99/year
Size5,448 sqft
Price per sqft$330
Amenities
Parking
Location
Mortgage Calculator
Listing History
01/09/2026
Listed by Boston Realty Advisors
$1,799,000
Property Details for 640 River Street
Exterior
Construction
Number Of Units Total: 6
Stories: 3
Stories Total: 3
Year Built: 1920
Year Built Details: Approximate
Measurements
Building Area Total: 5,448
Building Area Units: Square Feet
Lot Features: Other
Lot Size Acres: 0.18
Lot Size Area: 0
Lot Size Square Feet: 7,797
Lot Size Units: Acres
Financial
Residential Income
Gross Income: $99.00
Taxes
Parcel Number: 1362927
Tax Annual Amount: $99.00
Tax Assessed Value: $99.00
Tax Year: 99
Interior
Measurements
Living Area: 5,448
Living Area Source: Public Record
Rooms
Bathrooms Full: 6
Bathrooms Total Integer: 6
Bedrooms Total: 12
Rooms Total: 30
Utilities
Equipment
Sewer: Public Sewer
Water Source: Public
Frequently Asked Questions
How many bedrooms and bathrooms does this multi-family home have?
There are 12 bedrooms and 6 bathrooms in this multi-family home at 640 River Street.
What are the annual taxes for 640 River Street?
Annual taxes for this multi-family home are estimated at $99.
How does 640 River Street compare to other multi-family homes in Southern Mattapan?
This multi-family home is listed 40% above the average price for multi-family homes in Southern Mattapan and has been on the market for 57 less days than the typical home in this area.
What is the square footage on this multi-family home?
According to the MLS, this listing is 5,448 sqft.
640 River Street is a 12-bedroom, 6-bath multi-family home for sale in Boston MA 02126. Listed on Prevu for 22 days at $1,799,000. This residence features 5,448 square feet of living space, located in Southern Mattapan. The median listing price for multi-family homes in this area is $599,404. Additional amenities include parking. Explore more multi-family home listings in Boston.
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