Prime Charlestown Condo Offers Contemporary Luxury

Custom-designed duplex features nearly 1,600 sq ft of sophisticated living across two levels.

Apr. 7, 2026 at 1:54pm

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An extremely abstracted, out-of-focus photograph in warm, earthy tones depicting an interior living space with a fireplace, hardwood floors, and large windows overlooking a city skyline, conceptually representing the contemporary luxury and prime location of this Charlestown condo.This custom-designed Charlestown condo offers sophisticated living with modern amenities and a prime location near the neighborhood's best dining and parks.Boston Today

This custom-designed duplex in Boston's Charlestown neighborhood offers nearly 1,600 square feet of sophisticated living across two levels. The bright open-concept layout features hardwood floors, windows on three sides with custom remote-control shades, and a striking double-sided gas fireplace. The chef's kitchen boasts stainless appliances, granite countertops, and a breakfast bar. The primary suite has dual closets and a newly remodeled spa-style bath, complemented by a generous second bedroom and guest half-bath. Additional upgrades include a new furnace, tankless water heater, private deeded parking, central air, in-unit laundry, and extra storage.

Why it matters

In a neighborhood known for its historic charm, this contemporary luxury condo represents the evolution of Boston's real estate market, blending modern amenities with a desirable location close to dining, parks, and transit.

The details

The 1,581-square-foot duplex features an open-concept layout with hardwood floors, windows on three sides, and a double-sided gas fireplace connecting the foyer to the living area. The chef's kitchen is outfitted with stainless appliances, granite countertops, wood cabinetry, and a breakfast bar. The primary suite has dual closets and a newly remodeled spa-style bath, while the second bedroom and guest half-bath provide additional living space. Upgrades include a new furnace, tankless water heater, private deeded parking, central air, in-unit laundry, and extra storage.

  • The property is currently listed for sale as of April 7, 2026.

The players

21 Oak St Unit 1

A 1,581-square-foot luxury condo located in Boston's Charlestown neighborhood.

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The takeaway

This contemporary luxury condo in Charlestown represents the evolution of Boston's real estate market, blending modern amenities with a desirable location close to dining, parks, and transit.