Echelon

Listing Tools

Experience unparalleled indoor-outdoor luxury in Echelon Seaport Residence 2008, featuring a rare ~450-square-foot private terrace, the largest of its kind on the market. This south-facing home is one of only five 3-bedroom units in the entire building to offer a private terrace, providing a level of exclusivity rarely found in Boston high-rises.Perched on the 20th floor, the sprawling residence flows onto the massive outdoor space, complete with a dedicated gas line for seamless entertaining. Inside, the light-filled home features wide-plank oak floors and a chef's kitchen with an oversized Caesarstone island and Thermador appliances. Meticulously maintained, the interior is elevated by custom closet systems and designer upgrades.Echelon's white-glove lifestyle includes 24/7 concierge, valet, three resort pools, a fitness/wellness center, social lounges, and a golf simulator. This is a premier opportunity for the ultimate private outdoor retreat.

More Info

Basic Information

  • Bedrooms3
  • Mls StatusActive
  • Bathroom3
  • Parcel Number W:06 P:02642 S:571,5175554
  • Unit Number2008

Tax Information

  • Tax Assessed Value $3,235,200
  • Tax Year 2025
  • Taxes$37,464

Parking

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

Rooms

  • Bathrooms Total Decimal 3
  • Full Bath3

Basic Information

  • List Price$4,299,999
  • MLS Number73478748
  • Modification Date04/20/2026
  • 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 Corner
  • Door Features Insulated Doors
  • Entry Level 20
  • Garage Spaces2
  • Patio And Porch Features Deck
  • Property NameEchelon
  • Rooms5
  • Stories1
  • Utilities For Gas Range
  • Window Features Insulated Windows
  • Year Built2018
  • Year Built Details Actual
  • Year Built Source Public Records

Property

  • Entry Location Unit Placement(Upper)

Interior

  • Flooring Tile, Hardwood

Exterior

  • Exterior Features Deck, City View(s)
  • RoofRubber

Utilities

  • Cooling Central Air
  • Cooling YN Yes
  • Electric Circuit Breakers
  • Heat SystemYes
  • Heating Forced Air, Heat Pump
  • Sewer Public Sewer
  • Water Source Public

Property Information

  • Square Feet1,909
  • Building Area Source Public Records
  • Living Area 1,909
  • Lot Size Units Acres
  • Property Attached YN Yes
  • Structure Type High-Rise
  • View YN Yes

Amenities

  • Amenities
    • Highway Access
    • House of Worship
    • Marina
    • Park
    • Public Transportation
    • Shopping
    • T-Station
    • Walk/Jog Trails
  • Appliances IncludedRange, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer
  • Association Amenities Pool, Elevator(s), Fitness Center, Clubroom
  • Green Energy Efficient Thermostat
  • Other AmenitiesGolf
  • PetsYes
  • Pool Features Association, In Ground, Indoor
  • Security Features Concierge

Legal

  • ZoningCD

Other

  • Association Fee $4,037
  • Association Fee Frequency Monthly
  • Association Fee Includes
    • Insurance
    • Maintenance Grounds
    • Maintenance Structure
    • Reserve Funds
    • Security
    • Trash
  • Date Listed02/19/2026
  • Farm Land Area Units Square Feet
  • View Count3

Map Location

Driving Directions

Listed by Santana Team of Keller Williams Realty Boston Northwest

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.