DEVELOPMENT OPPORTUNITY WITH EXISTING MIXED USE PROPERTY GENERATING $71K NET ANNUAL INCOME.++A rare coastal investment and development opportunity in the heart of Winthrop, Massachusetts. The mixed use property currently consists of a cash-flowing four-unit mixed-use building with stable in-place NOI of 71,300, combined with a Board of Appeals–approved plan to construct a new 12-unit building with podium parking beneath — all on one site steps from the harbor and in the middle of a quaint yet thriving downtown Winthrop. 5-10 min commute to Boston Logan Airport, quick access to the MBTA Blue Line and ferry access to downtown Boston. All dimensions, square footage, parking spaces and building plans are estimated and should be considered for marketing purposes only. Buyers to do all due diligence as this is a development opportunity.
| Units | 16 |
| Living area | 10,000 sqft |
| Lot size | 11,346 sqft |
| Year built | 2027 |
| Price / sqft | $225 |
| County | Suffolk |
| MLS # | 73531829 |
| Days on market | 38 days |
| Listed on | June 8, 2026 |
| Annual property tax | $12,674 |
| Tax year | 2025 |
| Assessed value | $1,228,100 |
| Zoning | CBD |
| Gross income (actual) | $54,000/yr |
| Net operating income (actual) | $54,000/yr |
| Total actual rent | $4,500/mo |
| Stories | 3 |
| Total rooms | 99 |
| Lot size | 0.26 acres |
| Garage spaces | 12 |
| Parking spaces | 26 |
| Parking | Paved Drive |
| Foundation | Concrete Perimeter |
| Roof | Asphalt/Composition Shingles |
| Construction | Frame |
| Sewer | Public Sewer |
| Water | Public |
More about investing in Winthrop →
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 16-unit multi-family property with 10,000 sqft of living area, built in 2027.
63-69 Putnam St, Winthrop MA 02152 has been listed for 38 days (since June 8, 2026).
At a list price of $2,250,000 across 16 units, that works out to roughly $140,625 per unit.
Annual property taxes are $12,674 (2025), on an assessed value of $1,228,100.
At $2,250,000 for 10,000 sqft, that's about $225 per square foot.
12 garage spaces and 26 total parking spaces (paved drive).
63-69 Putnam St, Winthrop MA 02152 is in Winthrop, Suffolk County, MA 02152.

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.