RARE DORCHESTER MULTIFAMILY INVESTMENT & DEVELOPMENT OPPORTUNITY! Situated on a generous 7,905 SF lot, this existing 4-family property offers 10 bedrooms, approximately 4,032 SF of living area, 6,048 SF of total building area, and 5 garage bays, providing multiple opportunities for investors, developers, and builders. Built in 1930, this two-story property offers the potential to generate rental income while exploring future improvements or redevelopment. With reported R4 zoning and a substantial lot, buyers may wish to investigate possibilities including condominium conversion, expansion of the existing structure, additional residential units, or redevelopment of the garage area. Convenient Dorchester location with access to Boston amenities, transportation, shopping, and neighborhood conveniences. An excellent opportunity to renovate, reposition, or explore the property’s full development potential. Buyer and buyer’s agent to perform their own due diligence regarding zoning, allowable density, additional units, lot coverage, setbacks, parking requirements, and all necessary City of Boston approvals. Property sold as-is.
| Units | 4 |
| Living area | 4,032 sqft |
| Lot size | 7,905 sqft |
| Year built | 1930 |
| Price / sqft | $496 |
| County | Suffolk |
| MLS # | 73594178 |
| Days on market | 0 days |
| Listed on | October 22, 2026 |
| Annual property tax | $8,416 |
| Tax year | 2026 |
| Assessed value | $678,700 |
| Zoning | R4 |
| Gross income (actual) | $126,324/yr |
| Net operating income (actual) | $126,324/yr |
| Total actual rent | $10,527/mo |
| Stories | 2 |
| Total rooms | 18 |
| Lot size | 0.18 acres |
| Garage spaces | 5 |
| Parking spaces | 17 |
| Parking | Paved Drive, Off Street |
| Basement | Full |
| Foundation | Concrete Perimeter |
| Roof | Rubber |
| Construction | Frame |
| Flooring | Wood |
| Sewer | Public Sewer |
| Water | Public |
| Utilities | for Electric Range |
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Listing courtesy of a MLS PIN member office. Listing data © MLS PIN.
Auto-generated from the listing data — richer AI answers coming with the live site.
It is a 4-unit multi-family property with 4,032 sqft of living area, built in 1930.
42 Florida St, Boston MA 02124 has been listed for 0 days (since October 22, 2026).
At a list price of $1,999,999 across 4 units, that works out to roughly $500,000 per unit.
Annual property taxes are $8,416 (2026), on an assessed value of $678,700.
At $1,999,999 for 4,032 sqft, that's about $496 per square foot.
5 garage spaces and 17 total parking spaces (paved drive, off street).
42 Florida St, Boston MA 02124 is in Boston, Suffolk County, MA 02124.

Justin Rollo is a Broker Associate with Signal Real Estate (MA Lic. #9534264) and a lifelong Massachusetts resident. Over 14 years and hundreds of transactions, he has worked investment properties — multi-families and house-hacking — across Greater Boston full-time. Away from real estate, Justin is a proud dad, youth coach and local school-committee member — and a former professional poker player who still loves golf and following local sports.