
24 Union St Cambridge — Photo 1 of 10
$6,950,000
24 Union St, Cambridge, MA 02141
Cambridge, MA 02141
Beds
12
Baths
12.5
SqFt
4,355
Style
3 Family
Built
1886
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.
Market Value Analysis
* Analysis is based on 23 actively listed and recently sold comparable properties strictly within Cambridge, MA.
Property Details
Financials
Parking
Interior Specifications
Climate & Utilities
Building & Exterior
Property & Lot
Neighborhood
Public Transportation • Shopping • Park
Geography
Property History
$6,950,000
Was $6,700,000
Sep 8, 2026
MLS® 73572529
$6,700,000
Sep 7, 2026
MLS® 73572529
Population
14,517
U.S. Census Bureau, ACS 2024 5-Year Estimates (B01003)
Median Household Income
$127K
U.S. Census Bureau, ACS 2024 5-Year Estimates (B19013)
Renter-Occupied Homes
74.5%
U.S. Census Bureau, ACS 2024 5-Year Estimates (B25003)
New Construction Permits — Middlesex County
2,698 housing units permitted in the last 12 months (+3% vs the prior 12 months) — 1,713 in 5+ unit buildings
U.S. Census Bureau, Building Permits Survey (through Jul '26)
Listing Agent: Darin Thompson
Listing Office: Stuart St James, Inc.
MLS® Number: 73572529
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