1666 Washington Street, Unit 3, South EndBoston, MA 02118MLS Number 73503032

  • Price: $1,475,000
  • Est. Mortgage of $/month
  • 29 Days on Market
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Federal 30-year interest rate: 6.37% last updated on May 7, 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.
  • 3Bedrooms
  • 0.04Acreage
  • 3Bathrooms
  • 1899Year Built
Open House
1666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 021181666 Washington Street Boston MA 02118
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Cape Coastal Sotheby's International Realty

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Cape Coastal Sotheby's International Realty
Office: 508-477-6688
540 Falmouth Road (Mashpee Rotary)
Mashpee, MA 02649
Inviting. Spacious. Rarely available.This 3-bed & 3-bath penthouse duplex offers 1,646 sq ft of thoughtfully designed living space in the heart of Boston's South End-where true 3 bedroom homes remain in short supply.The first level is dedicated to rest and privacy, featuring a spacious primary suite with a walk-in closet and en-suite full bath, a generously sized second bedroom, and a versatile 3rd bedroom-ideal for guests or a home office.Upstairs, the main living level is designed for both comfort and entertaining, with an open living & dining area highlighted by exposed brick, high ceilings, skylights, and abundant natural light. The modern kitchen features stainless steel appliances, while a wood-burning stove adds warmth and character throughout. Additional features include central air, in-unit W&D, and a private deck overlooking lovely Worcester Square. The living area flows seamlessly to the deck, creating an ideal setting for entertaining. Pet friendly.

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Open Houses

May 16th
Starts: 12:00pm
Ends: 1:30pm

More Info

Basic Information

  • Bedrooms3
  • Mls StatusActive
  • Bathroom3
  • Parcel Number W:08 P:01444 S:006,3391870
  • Unit Number3

Location

  • NeighborhoodSouth End
  • SubdivisionSouth End
  • Address1666 Washington Street
  • Building Number1666
  • CountySuffolk
  • StateMA
  • StreetWashington Street
  • TownBoston
  • Zip02118

Exterior

  • Exterior Features Deck

Property Information

  • Square Feet1,646
  • Building Area Source Owner
  • Living Area 1,646
  • Lot Size Square Feet 1,646
  • Lot Size Units Acres
  • Structure Type Townhouse

Tax Information

  • Tax Assessed Value $1,445,600
  • Tax Year 2025
  • Taxes$16,740

Rooms

  • Bathrooms Total Decimal 3
  • Full Bath3

Building

  • BasementN
  • Building Area Units Square Feet
  • Common Walls No One Above
  • Construction Materials Stone
  • Entry Level 3
  • Patio And Porch Features Deck
  • Rooms4
  • Stories2
  • Utilities For Gas Range
  • Year Built1899
  • Year Built Details Approximate
  • Year Built Source Public Records

Amenities

  • Amenities
    • Highway Access
    • House of Worship
    • Medical Facility
    • Park
    • Public School
    • Public Transportation
    • Shopping
    • T-Station
    • Tennis Court(s)
  • Appliances IncludedRange, Dishwasher, Disposal, Refrigerator, Freezer, Washer, Dryer
  • Other AmenitiesTennis
  • PetsYes
  • Security Features Intercom

Parking

  • Parking Spaces
  • Open Parking YN Yes
  • Parking Features On Street

Basic Information

  • List Price$1,475,000
  • MLSPIN 73503032
  • Modification Date05/12/2026
  • Property SubTypeCondominium
  • Virtual TourView Tour

Property

  • Acreage0.04

Interior

  • Flooring Hardwood

Utilities

  • Cooling Central Air
  • Cooling YN Yes
  • Heat SystemYes
  • Heating Forced Air
  • Sewer Public Sewer
  • Water Source Public

Legal

  • ZoningCD

Other

  • Association Fee $300
  • Association Fee Frequency Monthly
  • Association Fee Includes Water, Sewer, Insurance, Maintenance Structure, Maintenance Grounds
  • Date Listed04/16/2026
  • Farm Land Area Units Square Feet
  • View Count3

Driving Directions

Listed by Moshe Elmekias of Gibson Sotheby's International Realty

South End Boston, MA Demographics

There is no data available

South End Boston, MA Real Estate Market Data

There is no data available

South End Boston, MA Schools

School NameDistanceTypeGrades

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. (MLSPIN) from third party sources, including sellers, lessors and public records, and were compiled by MLSPIN. The property listing data and information, and the Images, are for the personal, non-commercial use of consumers having a good faith interest in purchasing or leasing listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing or leasing. MLSPIN and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

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