$5,130,000
SOLD SEP 4, 2025

EchelonSeaport Towers 1 & 2 135 Seaport Blvd Unit PH 3C Boston, MA 02210

Seaport Neighborhood
3 Beds
2.5 Baths
2,040 Sq Ft
$4,700/mo HOA Fee

Recently Sold

$2,515 Per Sq Ft

5% Below List Price

125 Days on Market

Highlights

  • Concierge
  • Marina View
  • Heated Indoor Pool
  • Marina
  • Fitness Center
  • 3-minute walk to Seaport Common

About This Home

As of September 2025

Spectacular penthouse in the heart of Boston’s vibrant Seaport—surrounded by award-winning restaurants, luxury boutiques, and waterfront attractions. This rare offering features 3 bedrooms, including a flexible third currently used as a den/media room. Soaring ceilings, wide-plank hardwood flrs, and floor-to-ceiling windows create an airy, sun-drenched atmosphere with sweeping city and harbor views and private terrace. A sleek chef’s kitchen with premium appliances anchors the open-concept layout. The elegant primary suite includes custom closets and a spa-inspired bath. Enjoy 5-star amenities: 50k sq.ft - indoor & outdoor pools, fitness center with classes, basketball court, golf simulator, 22nd-floor Sky Lounge, and landscaped terraces with fire pits and grills. 24/7 concierge, valet, and doorman. Includes 2 garage parking spaces—one self-park (rare) and one valet. Easy access to highways & Logan Airport. A rare opportunity for elevated living in Boston’s most exciting neighborhood.

Last Agent to Sell the Property

Collin Sullivan

William Raveis R.E. & Home Services Listed on: 03/25/2025

William Raveis R.E. & Home Services

Co-Listed By

Daniel Resop

William Raveis R.E. & Home Services

Last Buyer's Agent

Miaoli Deng

MLJ Real Estate Service LLC

Property Details

Home Type

  • Condominium

Est. Annual Taxes

  • $54,905

Year Built

  • Built in 2018

HOA Fees

  • $4,700 Monthly HOA Fees

Parking

  • 2 Car Attached Garage
  • Tuck Under Parking
  • Heated Garage

Property Views

  • Marina
  • Harbor

Home Design

  • Entry on the 25th floor

Interior Spaces

  • 2,040 Sq Ft Home
  • 1-Story Property
  • 1 Fireplace

Bedrooms and Bathrooms

  • 3 Bedrooms

Pool

  • Heated Indoor Pool
  • Heated In Ground Pool

Utilities

  • Central Air
  • Heat Pump System

Additional Features

  • Balcony
  • No Units Above
  • Property is near public transit

Listing and Financial Details

  • Assessor Parcel Number W:06 P:02642 S:592,5175554

Community Details

Overview

  • Association fees include heat, gas, water, sewer, insurance, security, maintenance structure, ground maintenance, snow removal, trash
  • 195 Units
  • High-Rise Condominium
  • Echelon Seaport Community

Amenities

  • Concierge
  • Doorman
  • Shops
  • Sauna
  • Elevator
  • Community Storage Space

Recreation

  • Marina
  • Fitness Center
  • Community Pool
  • Bike Trail

Pet Policy

  • Call for details about the types of pets allowed

Security

  • Resident Manager or Management On Site

Property Details

Home Type

Condominium

Est. Annual Taxes

$54,905

Year Built

Built in 2018

Lot Details

0

HOA Fees

$4,700 per month

Parking

2

Listing Details

  • Property Type: Residential
  • Property Sub Type: Condominium
  • Structure Type: High-Rise
  • Year Built: 2018
  • Entry Level: 25
  • Year Built Details: Actual
  • Special Features: None
  • Stories: 1

Interior Features

  • Fireplace YN: Yes
  • Fireplaces: 1
  • Total Bedrooms: 3
  • Full Bathrooms: 2
  • Half Bathrooms: 1
  • Total Bathrooms: 3
  • Total Bathrooms: 2.5
  • Basement: N
  • Above Grade Finished Sq Ft: 2040
  • Living Area: 2040
  • Spa YN: No
  • Stories Total: 1
  • MAIN LO: M59500
  • LIST PRICE PER Sq Ft: 2644.61
  • PRICE PER Sq Ft: 2514.71
  • MAIN SO: AN6655

Exterior Features

  • Exterior Features: Balcony
  • Common Walls: No One Above
  • Home Warranty YN: No
  • Pool Features: Association, In Ground, Indoor, Heated
  • Waterfront YN: No
  • Waterview Flag: Yes

Garage/Parking

  • Garage Spaces: 2
  • Attached Garage YN: Yes
  • Carport Y N: No
  • Covered Parking Spaces: 2
  • Garage YN: Yes
  • Parking Features: Under, Heated Garage

Utilities

  • Sewer: Public Sewer
  • Cooling: Central Air
  • Heating: Heat Pump
  • Cooling Y N: Yes
  • Heating YN: Yes
  • Security Features: Doorman, Concierge
  • Water Source: Public

Condo/Co-op/Association

  • Association Amenities: Pool, Elevator(s), Fitness Center, Sauna/Steam, Clubroom, Storage
  • Association Fee: 4700
  • Association Fee Frequency: Monthly
  • Community Features: Public Transportation, Shopping, Pool, Bike Path, Highway Access, Marina
  • Senior Community YN: No
  • UNIT BUILDING: PH3C
  • MANAGEMENT: Professional - On Site

Fee Information

  • Association Fee Includes: Heat, Gas, Water, Sewer, Insurance, Security, Maintenance Structure, Maintenance Grounds, Snow Removal, Trash

Lot Info

  • Parcel Number: W:06 P:02642 S:592,5175554
  • Zoning: CD
  • Farm Land Area Units: Square Feet
  • Lot Size Units: Acres
  • Property Attached YN: Yes
  • PAGE: 999
  • OUTDOOR SPACE AVAILABLE: Yes - Private

Rental Info

  • Pets Allowed: Yes w/ Restrictions

Tax Info

  • Tax Year: 2025
  • Tax Annual Amount: 54905
  • Tax Book Number: 999

Multi Family

  • Number Of Units Total: 195
  • Basement Included Sq Ft: No
  • Waterview: Harbor, Marina

Range of Values:

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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Property History

Date Event Price Change Sq Ft Price
09/04/2025 09/04/25 Sold $5,130,000 -4.9% $2,515 / Sq Ft
07/28/2025 07/28/25 Pending -- -- --
03/25/2025 03/25/25 For Sale $5,395,000 +12.7% $2,645 / Sq Ft
11/18/2021 11/18/21 Sold $4,789,100 0.0% $2,338 / Sq Ft
10/06/2021 10/06/21 Pending -- -- --
10/05/2021 10/05/21 For Sale $4,789,100 -- $2,338 / Sq Ft
Source: MLS Property Information Network (MLS PIN)

Tax History Compared to Growth

Source: Public Records

Tax History

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $54,905 $4,741,400 $0 $4,741,400
2024 $48,509 $4,450,400 $0 $4,450,400
2023 $47,298 $4,403,900 $0 $4,403,900
2022 $31,468 $2,892,300 $0 $2,892,300
Source: Public Records

Agents Affiliated with this Home

  • Collin Sullivan

    Seller's Agent in 2025

    Collin Sullivan

    William Raveis R.E. & Home Services

    (617) 529-6622

    3 in this area

    85 Total Sales

    Collin Sullivan
    Section Image
  • Daniel Resop

    Seller Co-Listing Agent in 2025

    Daniel Resop

    William Raveis R.E. & Home Services

    (617) 266-5200

    2 in this area

    100 Total Sales

    Daniel Resop
    Section Image
  • Miaoli Deng

    Buyer's Agent in 2025

    Miaoli Deng

    MLJ Real Estate Service LLC

    (617) 606-2590

    4 in this area

    53 Total Sales

    Miaoli Deng
    Section Image
  • Patrick Cutter

    Seller's Agent in 2021

    Patrick Cutter

    MP Boston Marketing LLC

    (617) 542-1555

    184 in this area

    200 Total Sales

    Patrick Cutter
    Section Image

  • L

    Buyer's Agent in 2021

    Laura Rodriguez

    The Collaborative Companies

    (787) 237-3140

    77 in this area

    77 Total Sales

    Laura Rodriguez
    Section Image
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About EchelonSeaport Towers 1 & 2

Map

Source: MLS Property Information Network (MLS PIN)

MLS Number: 73349558

MLS Property Information Network (MLS PIN)

APN: CBOS W:06 P:02642 S:592

Massachusetts Suffolk County Boston 02210 Seaport

135 Seaport Blvd Unit PH 3C, Boston, MA

This home is located at 135 Seaport Blvd Unit PH 3C, Boston, MA 02210 and is currently priced at $5,130,000, approximately $2,514 per square foot. This property was built in 2018. 135 Seaport Blvd Unit PH 3C is a home located in Suffolk County with nearby schools including St John School, St Peter Academy, and South Boston Catholic Academy.

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

MLS Property Information Network (MLS PIN) The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc. 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. MLS Property Information Network, Inc. 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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