Rare opportunity to own a charming, turnkey 2-family home on one of the few two-way streets in Charlestown’s historic Gaslight District. Spanning just under 2,100 square feet, this versatile stand alone property is on one of the rare two way streets in Charlestown, alongside plenty of storage space throughout the entire house. It is the perfect setup for savvy investors or owner-occupants looking for premium built-in rental income. Property Highlights. Prime Location: Situated in the highly desirable Gaslight District on a rare, accessible two-way street near local dining, parks, and transit. Stunning Views: Enjoy iconic views of the Bunker Hill Monument and exceptional natural light throughout. Storage & Amenities: Ample storage solutions throughout the house, including built-in wardrobes and shared basement laundry. Outdoor Space: Access to a shared deck and a private backyard oasis, perfect for entertaining. Unit 1 (1 Bed, 1 Bath): Features a large bedroom with a custom built-in wardrobe, bright living space, and direct access to the shared deck and backyard. Unit 2 (3 Bed, 2 Bath): Updated within the last 9 years. Boasting sun-drenched living spaces, sweeping Monument views, and three oversized bedrooms, each equipped with its own built-in wardrobe for maximum organization. Whether you look to convert to a large single family home, rent both units, or live in the upper unit while the lower unit offsets your mortgage, this Owner-Managed sale is a Charlestown gem.
| Units | 2 |
| Living area | 2,083 sqft |
| Lot size | 2,183 sqft |
| Year built | 1870 |
| Price / sqft | $912 |
| County | Suffolk |
| MLS # | 73576215 |
| Days on market | 0 days |
| Listed on | September 11, 2026 |
| Annual property tax | $12,069 |
| Tax year | 2026 |
| Assessed value | $1,315,800 |
| Zoning | R2 |
| Gross income (actual) | $32,400/yr |
| Net operating income (actual) | $28,196/yr |
| Total actual rent | $2,700/mo |
| Electric expense | $871/yr |
| Insurance expense | $2,600/yr |
| Stories | 3 |
| Total rooms | 11 |
| Lot size | 0.05 acres |
| Garage spaces | 0 |
| Parking spaces | 0 |
| Parking | On Street |
| Basement | Full, Interior Entry, Concrete, Unfinished |
| Foundation | Block, Stone |
| Roof | Shingle, Rubber |
| Construction | Frame |
| Flooring | Wood, Tile, Vinyl, Carpet, Varies, Hardwood |
| Heating | Steam, Natural Gas, Baseboard |
| Cooling | Window Unit(s) |
| Sewer | Public Sewer |
| Water | Public |
| Utilities | for Gas Range, for Gas Oven, for Electric Dryer, Washer Hookup, Icemaker Connection |
| Appliances | Washer, Dryer, Range, Dishwasher, Disposal, Refrigerator, Freezer, ENERGY STAR Qualified Dishwasher, Microwave, Range Hood, Plumbed For Ice Maker |
More about investing in Boston →
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 2-unit multi-family property with 2,083 sqft of living area, built in 1870.
23 Concord St, Boston MA 02129 has been listed for 0 days (since September 11, 2026).
At a list price of $1,900,000 across 2 units, that works out to roughly $950,000 per unit.
Annual property taxes are $12,069 (2026), on an assessed value of $1,315,800.
At $1,900,000 for 2,083 sqft, that's about $912 per square foot.
23 Concord St, Boston MA 02129 is in Boston, Suffolk County, MA 02129.

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.