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621 E 1st Street, Unit D3, South BostonBoston, MA 02127Price: $1,559,000

  • Price: $1,559,000
  • Est. Mortgage of $/month
  • 1 Day on Market
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$
%
$/month over payments
Federal 30-year interest rate: 6.49% last updated on Jul 9, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
  • $1,559,000List Price
  • 2Bedrooms
  • 2Bathrooms
  • 1,654Square Feet

621 East First

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Listed by The Collective of Compass
No detail overlooked in this gorgeous 1650+ sqft penthouse with 2 large bedrooms, 2 marble baths, garage parking, plus exclusive roof deck, private deck and more! This inviting home features high ceilings, custom millwork and moldings, coffered ceilings, gray oak hardwood floors, and luxury finishes. The state-of-the-art kitchen includes abundant cabinetry, beveled granite counters, 10ft island with ample bar seating, Sub Zero and Viking appliances, gas range with hood, and wine fridge. The adjacent living and dining room is ideal for entertaining with access to the private deck through sliding glass doors. The primary king-sized suite features a gracious walk-in closet and spa ensuite bath with double vanities, marble floors and glass shower. The second bedroom is ideal for guests or an office/gym with full tiled bathroom. In-unit laundry, central a/c, & extra storage complete this incredible home. Minutes from Castle Island, Seaport, multiple parks, transit, highway access & Logan!

Property Details of 621 E 1st Street, Unit D3, South Boston

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