Active
15 Days on market
24 Union St Cambridge — Photo 1 of 10

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

This Property
Size (SqFt) →Price →
This Property$1596/sqft
Local Avg (Cambridge)$765/sqft
109% AboveMarket Average

* Analysis is based on 23 actively listed and recently sold comparable properties strictly within Cambridge, MA.

Property Details

Financials

Original Price$6,700,000
Annual Taxes$16,932

Parking

Garage0
Off-Street0

Interior Specifications

Total Rooms15
Fireplaces2
Flooring--
BasementFull

Climate & Utilities

HeatingHot Water, Natural Gas
CoolingWindow Unit(s)
WaterPublic
SewerPublic Sewer

Building & Exterior

Construction--
Roof--
FoundationConcrete Perimeter, Stone, Brick/Mortar
ZoningC-1

Property & Lot

Acres0.15
SqFt Lot6,333
Lot FeaturesCleared, Level

Neighborhood

Public Transportation • Shopping • Park

Geography

Property History

Price Increase
$6,950,000

Was $6,700,000

Sep 8, 2026

MLS® 73572529

Listed
$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 Provided By

Listing Agent: Darin Thompson

Listing Office: Stuart St James, Inc.

MLS® Number: 73572529

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