Listing Tools

Panoramic skyline views from every corner of this dramatic Gateway Terrace penthouse! Offering 4 BRs and 3 baths, you'll enjoy the finest city lifestyle in this 3800+ sq ft home. Enter to great room with stunning center-island kitchen featuring top-of-the-line stainless steel appliances, ebony cabinets and granite counters. Oversized windows and doors leading to a massive landscaped terrace with hot tub, gas grill and stairs up to private roof top deck. Separate living room with wet bar plus fourth bedroom or media room/golf sim and full bath complete this level. Gorgeous park and city views across the entire front. Downstairs you'll find the primary suite with adjacent office, huge walk-in closet, sparkling en suite bath with double vanity and walk-in shower. Two additional BRs, full bath and laundry room. 3 garage spaces and storage included. Glamorous living in a landmark elevator building steps to Whole Foods and all the shopping and fine restaurants the South End has to offer.

More Info

Basic Information

  • Bedrooms4
  • Mls StatusActive
  • Bathroom3
  • Parcel Number W:03 P:06396 S:072,4525402
  • Unit Number704-6

Tax Information

  • Tax Assessed Value $3,477,000
  • Tax Year 2024
  • Taxes$37,899

Parking

  • Parking Spaces3
  • Covered Spaces 3
  • Garage YN Yes
  • Parking Features Attached, Under, Garage Door Opener, Storage

Rooms

  • Bathrooms Total Decimal 3
  • Full Bath3

Basic Information

  • List Price$4,875,000
  • MLS Number73499831
  • Modification Date04/14/2026
  • Property SubTypeCondominium

Location

  • NeighborhoodSouth End
  • SubdivisionSouth End
  • Address1166 Washington Street
  • Building Number1166
  • CountySuffolk
  • StateMA
  • StreetWashington Street
  • TownBoston
  • Zip02118

Building

  • Attached Garage YN Yes
  • BasementN
  • Building Area Units Square Feet
  • Common Walls No One Above
  • Construction Materials Frame, Brick
  • Entry Level 7
  • Garage Spaces3
  • Patio And Porch Features Deck, Deck - Roof
  • Rooms7
  • Stories2
  • Year Built2008
  • Year Built Details Actual
  • Year Built Source Public Records

Property

  • Acreage0.09

Exterior

  • Exterior Features Deck, Deck - Roof
  • RoofRubber

Utilities

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

Property Information

  • Square Feet3,827
  • Building Area Source Public Records
  • Living Area 3,827
  • Lot Size Square Feet 3,827
  • Lot Size Units Acres
  • Property Attached YN Yes
  • Structure Type Mid-Rise

Amenities

  • Amenities
    • Highway Access
    • Medical Facility
    • Park
    • Public Transportation
    • Shopping
    • T-Station
    • Tennis Court(s)
    • University
    • Walk/Jog Trails
  • Appliances IncludedRange, Oven, Dishwasher, Microwave, Refrigerator, Washer, Dryer
  • Association Amenities Elevator(s), Storage
  • Other AmenitiesGolf, Tennis
  • Security Features Intercom

Other

  • Association Fee $3,698
  • Association Fee Frequency Monthly
  • Association Fee Includes Water, Sewer, Insurance, Maintenance Structure, Maintenance Grounds
  • Date Listed04/10/2026
  • Farm Land Area Units Square Feet
  • View Count6

Map Location

Driving Directions

Listed by Steven Cohen Team of Keller Williams Realty Boston-Metro | Back Bay

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

I agree to receive marketing and customer service calls and text messages from Castles Unlimited. To opt out, you can reply 'stop' at any time or click the unsubscribe link in the emails. Consent is not a condition of purchase. Msg/data rates may apply. Msg frequency varies. Privacy Policy.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

$

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.