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About this property
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
| Units | 3 |
| Living area | 4,355 sqft |
| Lot size | 6,333 sqft |
| Year built | 1886 |
| Price / sqft | $1,596 |
| County | Middlesex |
| MLS # | 73572529 |
Listing status
| Days on market | 9 days |
| Listed on | September 7, 2026 |
Taxes & financials
| Annual property tax | $16,932 |
| Tax year | 2026 |
| Assessed value | $2,538,600 |
| Zoning | C-1 |
| Gross income (actual) | $261,600/yr |
| Net operating income (actual) | $261,600/yr |
| Total actual rent | $22,000/mo |
Building & lot
| Stories | 9 |
| Total rooms | 15 |
| Lot size | 0.15 acres |
| Garage spaces | 0 |
| Parking spaces | 0 |
| Parking | On Street |
| Basement | Full |
| Foundation | Concrete Perimeter, Stone, Brick/Mortar |
Utilities & systems
| Heating | Hot Water, Natural Gas |
| Cooling | Window Unit(s) |
| Sewer | Public Sewer |
| Water | Public |
Location
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Listing courtesy of a MLS PIN member office. Listing data © MLS PIN.
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Questions & answers
Auto-generated from the listing data — richer AI answers coming with the live site.
How many units does 24 Union St, Cambridge MA 02141 have?
It is a 3-unit multi-family property with 4,355 sqft of living area, built in 1886.
How long has 24 Union St, Cambridge MA 02141 been on the market?
24 Union St, Cambridge MA 02141 has been listed for 9 days (since September 7, 2026).
What is the price per unit?
At a list price of $6,950,000 across 3 units, that works out to roughly $2,316,667 per unit.
What are the property taxes on 24 Union St, Cambridge MA 02141?
Annual property taxes are $16,932 (2026), on an assessed value of $2,538,600.
What is the price per square foot?
At $6,950,000 for 4,355 sqft, that's about $1,596 per square foot.
Where is this property located?
24 Union St, Cambridge MA 02141 is in Cambridge, Middlesex County, MA 02141.
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