133 Seaport Blvd, Unit PH 3A

2,013 Sq. Ft.
$2,434 / Sq. Ft.
2,013
Sq. Ft.
$2,434
per Sq. Ft.

Description

Rare 25th floor penthouse in Tower 1 at Echelon Seaport featuring two parking spots, deeded private storage, and corner views featuring the city skyline and Boston Harbor! PH3A offers 2,013 sq ft of thoughtfully designed space with dramatic city views and harbor exposures. Flooded with natural light through the west facing floor-to-ceiling windows, it features wide-plank white oak flooring, a sleek gas fireplace, and an airy, open-concept layout ideal for entertaining or everyday sophistication....Rare 25th floor penthouse in Tower 1 at Echelon Seaport featuring two parking spots, deeded private storage, and corner views featuring the city skyline and Boston Harbor! PH3A offers 2,013 sq ft of thoughtfully designed space with dramatic city views and harbor exposures. Flooded with natural light through the west facing floor-to-ceiling windows, it features wide-plank white oak flooring, a sleek gas fireplace, and an airy, open-concept layout ideal for entertaining or everyday sophistication. The designer kitchen boasts custom Italian cabinetry, integrated Gaggenau appliances, and an oversized island. The expansive primary suite is a serene retreat with a spa-inspired marble bath and walk-in closet. Two additional bedrooms provide flexibility for guests or work-from-home living. Residents enjoy world-class amenities including indoor/outdoor pools, a state-of-the-art fitness center, luxury spa, sky lounges, 24-hour concierge, and valet.

Listing Agent

  1. Joseph Barka

    Joseph Barka

    Listing Agent

    Compass

    joseph.barka@compass.com

    P: (617)-784-8760

Property Details for 133 Seaport Boulevard, Unit PH 3A

Town
Boston
MLS Area
Seaport District
Area
MA-Boston-Seaport District, MA-Boston
Style
High-Rise
Garage Spaces
2
Parking Spaces
.00
Parking Spaces Total
2
Unit Placement
Top/Penthouse
LISTING UPDATED: 11/05/2025 03:06 PM

Property Details for 133 Seaport Boulevard, Unit PH 3A

StatusSold
MLS #73420149
Days on Market65
Taxes$60,976 / year
HOA Fees$4,907 / month
Compass TypeCondo
MLS TypeCondominium/Co-Op / Condo
Year Built2020
CountySuffolk County

Location

Sold By Luxury Residential Group, LLC, Michelle Otey

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Building Information for 133 Seaport Boulevard, Unit PH 3A

Building/ComplexEchelonSeaportFloor25Stories-Residences733Pet PolicyAllowedPet Policy DetailsPets AllowedYear Built2020

Payment Calculator

$33,870 per month

30 year fixed, 6.15% Interest

Principal and Interest

$23,882

Property Taxes

$5,081

HOA Dues

$4,907

The Payment Calculator is for illustrative purposes only.

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Property Information for 133 Seaport Boulevard, Unit PH 3A

General Details
Property Details
  • Association Amenities: Pool, Elevator(s), Fitness Center
  • Building Area Units: Square Feet
  • Community Features: Public Transportation, Shopping, Swimming Pool, Tennis Court, Park, Walk/Jog Trails, Medical Facility, Bike Path, Conservation Area, Highway Access, House of Worship, Marina, Private School, Public School, T-Station, University
  • Current Financing: Cash
  • Living Area: 2013.0
  • SqFt with Basement: No
  • Total Units: 733
  • Property Attached: Yes
  • Type of Condo: Condo
  • Waterfront: No
  • Water View: Yes
  • Year Built Details: Actual
  • Year Built Source: Public Records
Features
Interior Features
  • Basement Features: N
  • Common Walls: Top/Penthouse
  • Num of Baths: 3.0
  • Num of Full Baths: 2
  • Num of Half Baths: 1
  • Bathrooms Total Decimal: 2.50
  • Bathrooms Total Integer: 3
  • FireplaceYN: Yes
  • Fireplaces: 1
  • Flooring: Hardwood
  • Interior Features: Indoor Pool
  • Laundry Features: In Unit
  • Primary Bath: Yes
  • Spa Features: Hot Tub/Spa
  • SpaYN: Yes
Exterior Features
  • Exterior Features: Balcony, Hot Tub/Spa, City View(s)
  • Exterior Features: City View(s), Hot Tub/Spa, Pool - Inground, Pool - Above Ground Heated, Balcony
  • Pool Features: Association, In Ground, Indoor, Heated
  • Structure Type: High-Rise
  • View: City
  • View: Yes
  • Waterfront Features: 1 to 2 Mile To Beach
  • Waterview Features: Ocean
Parking Features
  • Attached Garage: Yes
  • Carport: No
  • Covered Spaces: 2.00
  • Garage: Yes
  • Garage Parking: Under, Deeded
  • Parking Features: Under, Deeded
  • Parking Features: Deeded
Utilities
  • Cooling: Central Air
  • Cooling: Yes
  • Heating: Forced Air
  • Heating: Yes
  • Sewer: City/Town Sewer
  • Water: Public
Property Information
Property Info
  • Farm Land Area Units: Square Feet
  • WARRANTY: No
  • Lot Size Units: Acres
Tax Information
  • Tax ID: 5135829
  • Assessments: $5,214,500
  • Book: 32
  • Tax Year: 2025
  • Zoning: res
Building / Association Information
Living Characteristics
  • Beds Total: 3
  • Total Living Levels: 1
Complex & Association Information
  • Association Fee Frequency: Monthly
  • Association Fee Includes: Heat, Gas, Water, Sewer, Insurance, Security, Maintenance Structure, Maintenance Grounds, Snow Removal
  • Complex Complete: Yes
  • Management: Professional - On Site
  • Association Security: Doorman, Concierge
  • Adult Community: No
Unit Information
Unit Information
  • Unit Building: PH 3A
  • Unit Floor Level Integer: 25.0

Property History for 133 Seaport Boulevard, Unit PH 3A

DateEvent & SourcePriceAppreciation
Nov 5, 2025

Sold

MLS PIN #73420149

$4,900,000—
Oct 24, 2025

Under Agreement

MLS PIN #73420149

—
Oct 17, 2025

Contingent

MLS PIN #73420149

—
Aug 20, 2025

Listed (Active)

MLS PIN #73420149

$5,250,000—
Aug 11, 2025

Canceled

MLS PIN #73366608

$5,495,000—
Apr 30, 2025

Listed (Active)

MLS PIN #73366608

$5,495,000—
Jan 21, 2022

Sold

MLS PIN #72929922

$5,152,000—
Jan 2, 2022

Under Agreement

MLS PIN #72929922

—
Jan 2, 2022

Contingent

MLS PIN #72929922

—
Dec 29, 2021

Listed (Active)

MLS PIN #72929922

$5,152,000—
Nov 10, 2021

Sold (Public Record)

Public Record #1482050171

$5,152,000—
DateEvent & SourcePrice
11/05/2025

Sold

MLS PIN #73420149

$4,900,000
10/24/2025

Under Agreement

MLS PIN #73420149

—
10/17/2025

Contingent

MLS PIN #73420149

—
08/20/2025

Listed (Active)

MLS PIN #73420149

$5,250,000
08/11/2025

Canceled

MLS PIN #73366608

$5,495,000
04/30/2025

Listed (Active)

MLS PIN #73366608

$5,495,000
01/21/2022

Sold

MLS PIN #72929922

$5,152,000
01/02/2022

Under Agreement

MLS PIN #72929922

—
01/02/2022

Contingent

MLS PIN #72929922

—
12/29/2021

Listed (Active)

MLS PIN #72929922

$5,152,000
11/10/2021

Sold (Public Record)

Public Record #1482050171

$5,152,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 133 Seaport Boulevard, Unit PH 3A

Taxable ValueLand-Additions$5,214,500Total-
Tax Record2025$60,384 ($5,032 / month)
Home Facts
Beds2Total Finished SqFt2,014 SqFtAbove Grade Finished SqFt2,014 SqFtStories1StyleCondominiumYear Built2018ZoningCDCountySUFFOLKAPNCBOS W:06 P:02642 S:353

Schools near 133 Seaport Boulevard, Unit PH 3A

This home is within Boston Public Schools.
Rating
School
Type
Grades
Distance
Public - PK to 8
Public - 9 to 12
Public - PK to 5
Public - PK to 6
Rating
School
Distance
James F. Condon School
PublicPK to 8

Josiah Quincy Elementary School
PublicPK to 5

Joseph P. Tynan Elementary School
PublicPK to 6

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity. Subject to change at any time. Compass makes no guarantee, warranty or representation regarding the accuracy of any waterfront feature, water view or waterfront view.

The property listing data and information, or the images, set forth herein were provided to MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS from third party sources, including sellers, lessors and public records, and were compiled by MLS Property Information Network, Inc., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS. 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., Martha's Vineyard MLS, CCIMLS, Link MLS, and Berkshire County Board of REALTORS 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.