425 Border St. is a boutique apartment building located in East Boston. Built in 2023, the corner building consists of sixteen (16) residential units. The luxury, condominium-quality residences feature high-end kitchens and bathrooms, in-unit washer/dryers, elevator access, and garage parking. The building also offers both public and private roof decks with spectacular water and skyline views. Ten (10) of the sixteen (16) units offer water views. The property is fully leased and generating strong existing cash flow. Offered below replacement cost, 425 Border Street represents an attractive opportunity for investors seeking a 1031 exchange property and/or a potential future condominium exit strategy. The property provides investors with the opportunity to acquire a turnkey investment asset in one of Boston’s established residential neighborhoods. SEE FIRM REMARKS FOR ADDITIONAL INFORMATION
| Units | 16 |
| Living area | 16,610 sqft |
| Lot size | 5,243 sqft |
| Year built | 2023 |
| Price / sqft | $548 |
| County | Suffolk |
| MLS # | 73596404 |
| Days on market | 0 days |
| Listed on | October 29, 2026 |
| Annual property tax | $75,522 |
| Tax year | 2027 |
| Assessed value | $6,031,200 |
| Zoning | A |
| Gross income (actual) | $79,800/yr |
| Net operating income (actual) | $79,800/yr |
| Total actual rent | $6,650/mo |
| Stories | 5 |
| Total rooms | 48 |
| Lot size | 0.12 acres |
| Garage spaces | 0 |
| Parking spaces | 13 |
| Foundation | Concrete Perimeter |
| Sewer | Public Sewer |
| Water | Public |
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Listing courtesy of a MLS PIN member office. Listing data © MLS PIN.
Answered from the listing data and public map data.
It is a 16-unit multi-family property with 16,610 sqft of living area, built in 2023.
425 Border, Boston MA 02128 has been listed for 0 days (since October 29, 2026).
At a list price of $9,100,000 across 16 units, that works out to roughly $568,750 per unit.
Annual property taxes are $75,522 (2027), on an assessed value of $6,031,200.
At $9,100,000 for 16,610 sqft, that's about $548 per square foot.
13 total parking spaces.
425 Border, Boston MA 02128 is in Boston, Suffolk County, MA 02128.

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.