135 Seaport Blvd #PH3B · Boston

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For sale

FOR SALE · MLS #73594507

$4,495,000

beds: 2
baths: 2.5
sqft: 2,164

135 Seaport Blvd #PH3B

Boston, MA 02210

LOCATION

Property location

Directions

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135 Seaport Blvd #PH3B, Boston, MA 02210Open Street View

Parking available in the residents garage on pier 4 blvd (across from Helly Hansen store)

Home type: Condominium
Interior living area: 2,164 sqft
Year built: 2018
Lot size: 2,164 sqft (about 0.05 acres)
Parking spaces: 2
Price per sqft: $2,077/sqft
HOA fee: $5,128 · Monthly

About this home

Positioned atop EchelonSeaport Tower 2, this is the only Penthouse remaining residence in the building. 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.

Listed by Laura Rodriguez · The Collaborative Companies
MLS PIN #73594507 · Updated 10/27/2026, 3:05:00 AM ET

Building & association

Building name: Echelonseaport
Total units: 192
Building stories: 1
Entry level: 25
HOA fee includes: Heat · Gas · Water · Sewer · Insurance · Security · Maintenance Grounds · Snow Removal · Trash · Reserve Funds
Association amenities: Hot Water · Pool · Elevator(s) · Recreation Facilities · Fitness Center · Clubroom · Parking
Pets allowed: Yes

From MLS fields in this listing. Confirm association rules and fees with the association documents.

Facts & features

Home overview

Property subtype: Condominium
Property category: Residential
MLS status: Active
Building name: Echelonseaport
Bedrooms: 2
Full bathrooms: 2
Half bathrooms: 1
Total bathrooms: 2.5
Total rooms: 5
Living area: 2,164 sqft
Living area source: Public Record
Above grade finished area: 2,164 sqft
Building area: 2,164
Building area units: Square Feet
Building area source: Public Records
Area includes basement: No
Stories: 1
Building stories: 1
Entry level: 25
Unit building: PH3B

Interior & systems

Heating: Heat Pump
Heating available: Yes
Cooling: Central Air
Cooling available: Yes
Laundry: In Unit
Basement: N
Fireplace: Yes
Fireplaces: 1
Security features: Doorman · Concierge
Primary bathroom features: Yes

Price & tax details

Current asking price$4,495,000

Original asking price$4,495,000

Listed on2026-10-23

Days on market4

Tax record supplied by MLS
Year	Property tax	Assessed value
2026	$59,051	$4,762,200

These records are supplied by the current listing. Assessed value is not market value; confirm taxes with the local assessor.

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SCHOOLS & EDUCATION

Schools & performance

2026 MA DESE

School names, grades and state-reported measures are listed below.

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Nearby public schools

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11DESE percentile