East Cambridge 3-family on a scarce rectangular 6,333 sf lot with one street frontage on quiet one-way Union St and three sides at neighboring lots. Current C-1 dimensional table uses about a 10 ft front setback on the street side and about a 5 ft side setback, so a single-frontage lot can use more of the parcel than a lot with two street setbacks; buyer must verify all setbacks with the City. One deed: 24 / 24A / 24B. Short walk to MIT and Kendall Square biotech (Moderna, Pfizer). Assessor: 18 rooms, 9 beds, 3.5 baths; living 4,355 sf (first floor 2,526 + finished upper 1,829); unfinished basement 2,526 sf; wood deck 363 sf; gross 7,244 sf. Renovated under permit BLDC-16364-2022; Luna plans attached. Current layout: 4 beds and 4 full baths per unit (12 / 12). Occupied income property; NFPA-13D sprinklers in each unit. Buyer must verify with Cambridge CDD and ISD current C-1 rules, including 4-story base height or up to 6 stories / 74 ft with inclusionary housing on lots of 5,000 sf or more, Lodging House use, basement treatment, occupancy, licensing, and parking. No off-street parking; city street permit only, not guaranteed. Sold as-is. Seller will not repair or cut price for inspection. Seller will consider closing-cost concessions up to $120,000.
Property Details
Price:
$6,950,000
MLS #:
73572529
Status:
Active
Beds:
12
Baths:
12.5
Type:
Multi Family
Subtype:
3 Family
Listed Date:
Sep 7, 2026
Finished Sq Ft:
4,355
Total Sq Ft:
4,355
Lot Size:
6,333 sqft / 0.15 acres (approx)
Year Built:
1886
Units:
3
See this Listing
Schools
Interior
Above Grade Finished Area
4355
Bathrooms
12 Full Bathrooms, 1 Half Bathroom
Cooling
Window Unit(s)
Fireplaces Total
2
Heating
Hot Water, Natural Gas
Levels
9
Exterior
Community Features
Public Transportation, Shopping, Park
Fencing
Fenced/Enclosed
Lot Features
Cleared, Level
Open Parking YN
1
Parking Features
On Street
Patio And Porch Features
Deck, Deck – Wood, Deck – Vinyl
Stories
9
Window Features
Insulated Windows
Financial
Tax Year
2026
Taxes
$16,932
Map
Community
- Address24 Union St Cambridge MA
- CityCambridge
- CountyMiddlesex
- Zip Code02141
Subdivisions in Cambridge
Market Summary
Current real estate data for Multi Family in Cambridge as of Sep 29, 2026
54
Multi Family Listed
105
Avg DOM
723
Avg $ / SqFt
$3,680,564
Avg List Price
Property Summary
- 24 Union St Cambridge MA is a Multi Family for sale in Cambridge, MA, 02141. It is listed for $6,950,000 To schedule a showing of MLS#73572529 at 24 Union St in Cambridge, MA, contact your Cornerstone Real Estate agent at 617-238-7400.
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Courtesy of Stuart St James, Inc.. 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.
24 Union St
Cambridge, MA

