The multi-story building contains four (4) 2-Bedroom/1-Bathroom units, one (1) 1-Bedroom/1-Bathroom unit, and three (3) Two-Room Studio units with 5,210 square feet of gross living area in 8,423 square feet of gross area. The Property is situated upon a 0.14-acre parcel. 15 Walnut Street is centrally located in Somerville’s dynamic Union Square neighborhood. The property has been meticulously maintained under current ownership with capital improvements throughout including complete renovations to units 15 Walnut #3 and Sanborn 1R, 2L and 3L. All units feature separate utilities with tenants responsible for their own heat, hot water and electricity. Six (6) of the units have gas fired, forced hot water baseboard and/or radiator heat. 15 Walnut #3 features HVAC (gas) and Sanborn 3 features electric for heating and cooling. Additional building amenities include a coin-op laundry room in the basement.
Property Details
Price:
$2,850,000
MLS #:
73493634
Status:
Active
Beds:
8
Baths:
8
Type:
Multi Family
Subtype:
5-9 Family
Neighborhood:
unionsquare
Listed Date:
Mar 30, 2026
Finished Sq Ft:
5,210
Total Sq Ft:
5,210
Lot Size:
6,300 sqft / 0.14 acres (approx)
Year Built:
1906
Units:
8
See this Listing
Schools
Interior
Above Grade Finished Area
5210
Bathrooms
8 Full Bathrooms
Levels
3
Exterior
Community Features
Public Transportation, Shopping, Tennis Court(s), Park, Walk/Jog Trails, Medical Facility, Laundromat, Bike Path, Conservation Area, Highway Access, House of Worship, Private School, Public School, T-Station, University
Construction Materials
Frame
Lot Features
Corner Lot
Roof
Slate
Stories
3
Financial
Tax Year
2025
Taxes
$21,578
Map
Community
- Address15 Walnut St Somerville MA
- CitySomerville
- CountyMiddlesex
- Zip Code02143
Subdivisions in Somerville
Market Summary
Current real estate data for Multi Family in Somerville as of Apr 01, 2026
63
Multi Family Listed
153
Avg DOM
487
Avg $ / SqFt
$2,161,935
Avg List Price
Property Summary
- 15 Walnut St Somerville MA is a Multi Family for sale in Somerville, MA, 02143. It is listed for $2,850,000 To schedule a showing of MLS#73493634 at 15 Walnut St in Somerville, MA, contact your Cornerstone Real Estate agent at 617-238-7400.
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Courtesy of Horvath & Tremblay. The property listing data and information set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information set forth herein.
15 Walnut St
Somerville, MA