Echelon

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Positioned atop EchelonSeaport Tower 2, this is the only remaining residence in the building with private outdoor space. The top penthouse features bright southern exposure, 2 bedrooms plus a study, and 2.5 baths. Refined finishes include a gas fireplace, wide-plank ivory oak floors, a custom Italian kitchen with Gaggenau appliances and beautifully built out closets. Two garage spaces-one assigned and one valet-are included. Residents enjoy 50,000+ SF of exclusive amenities, including three pools, a state-of-the-art fitness center with basketball court, sports simulator, and yoga studio. The Club Level offers a lounge, library, private dining room, and expansive terraces with grills and fire pits, plus 24/7 concierge, doorman, and porter services alongside vibrant on-site retail and dining.

More Info

Basic Information

  • Bedrooms2
  • Mls StatusActive
  • Bathroom3
  • Parcel Number W:06 P:02642 S:591,5175746
  • Unit NumberPH3B

Tax Information

  • Tax Assessed Value $4,417,100
  • Tax Year 2023
  • Taxes$47,440

Parking

  • Parking Spaces2
  • Covered Spaces 2
  • Garage YN Yes
  • Parking Features Under

Rooms

  • Bathrooms Total Decimal 2.5
  • Full Bath2
  • Half Baths1

Basic Information

  • List Price$4,995,000
  • MLS Number73481469
  • Modification Date05/04/2026
  • Property SubTypeCondominium

Location

  • NeighborhoodSeaport District
  • SubdivisionSeaport District
  • Address135 Seaport Boulevard
  • Building Number135
  • CountySuffolk
  • StateMA
  • StreetSeaport Boulevard
  • TownBoston
  • Zip02210

Building

  • Attached Garage YN Yes
  • BasementN
  • Building Area Units Square Feet
  • Common Walls No One Above
  • Entry Level 25
  • FireplaceYes
  • Fireplaces Total 1
  • Garage Spaces2
  • Property NameEchelon
  • Rooms5
  • Stories1
  • Year Built2020
  • Year Built Details Under Construction
  • Year Built Source Public Records

Exterior

  • Exterior Features Hot Tub/Spa

Utilities

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

Property Information

  • Square Feet2,164
  • Building Area Source Public Records
  • Living Area 2,164
  • Lot Size Units Acres
  • Property Attached YN Yes
  • Spa YN Yes
  • Structure Type High-Rise

Amenities

  • AmenitiesPublic Transportation, Shopping, Park, Walk/Jog Trails, Highway Access
  • Association Amenities
    • Clubroom
    • Elevator(s)
    • Fitness Center
    • Hot Water
    • Parking
    • Pool
    • Recreation Facilities
  • Other AmenitiesFireplace, Waterfront, Water View
  • PetsYes
  • Pool Features Association, In Ground, Indoor, Heated
  • Security Features Doorman, Concierge

Water Body

  • Miles to Beach0.5
  • WaterfrontYes
  • Waterfront Features Waterfront, Ocean, Harbor,3/10 to 1/2 Mile To Beach

Legal

  • ZoningCD

Other

  • Association Fee $5,323
  • Association Fee Frequency Monthly
  • Association Fee Includes
    • Gas
    • Heat
    • Insurance
    • Maintenance Grounds
    • Reserve Funds
    • Security
    • Sewer
    • Snow Removal
    • Trash
    • Water
  • Date Listed03/02/2026
  • Farm Land Area Units Square Feet
  • Spa Features Hot Tub/Spa
  • View Count5

Map Location

Driving Directions

Listed by Laura Rodriguez of The Collaborative Companies

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