21 Prospect St., Unit 3, Charlestown, Boston, MA 02129 ID-417642544

Date Available: 11/15/2025

Property with 2 bedroom(s), 2 bathroom(s) in  Boston Charlestown.

This beautifully renovated 2 bed/2 bath penthouse at 21 Prospect St #3 offers two private outdoor spaces, including an expansive roof deck with sweeping city, Monument & harbor views, plus an additional deck off the kitchen. The sun-filled open living area features a fireplace, while the chef’s kitchen boasts custom cabinetry, marble countertops & wine fridge. A spacious primary suite includes a spa-like bath, and the 2nd bedroom offers access to a versatile loft with window seat—ideal as an office or reading nook. Custom built-in closets maximize storage, with additional private storage in the basement. High-end finishes throughout include hardwood floors, central air & in-unit laundry. Enjoy modern comforts paired with historic Charlestown charm, just steps from the Monument, shops, dining, transit & waterfront.