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150 Seaport Boulevard 15CDBoston, MA 02210

For Sale

$10,995,000

Smart Buyer Rebate $54,975

Step into a one-of-a-kind masterpiece at the St. Regis Residences in the Seaport—a truly bespoke 3-bedroom + den with 3 baths and 3 parking spaces. This home that redefines luxury waterfront living. Spanning over 3,100 square feet, this newly renovated residence is completely unique, with no detail overlooked in its custom-designed transformation. From the moment you enter, you’re greeted by unreal, panoramic water views, seamlessly framed by floor-to-ceiling windows. And at the touch of a button, these windows open to bring the outdoors in, creating an effortless indoor-outdoor living experience unlike anything else in the building. With no other unit like it, this residence is more than just a home—it’s a statement of prestige. As a St. Regis resident, you’ll enjoy world-class amenities, five-star service, and a front-row seat to Boston’s most spectacular waterfront views. If you’re searching for something truly extraordinary, this is it.

Listed by Allison Mazer

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Compass

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617-905-7379

Listed by Taraneh Rostamnezhad

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Compass

Listed by The Mazer Group

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Compass

Last updated October 22, 2025

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Source: MLSPin #73436037

Listing Facts

  • TypeCondo
  • NeighborhoodSeaport District
  • Bedrooms3
  • Bathrooms4
  • Days on Prevu29
  • HOA/Maint. Fees$6,518.49/month
  • Taxes$9,999/year
  • Size3,140 sqft
  • Price per sqft$3,502

Amenities

  • Pets Allowed
  • Air Conditioning
  • Parking
  • Swimming Pool
  • Fitness Center

Location

Mortgage Calculator

Listing History

10/18/2025
Price Decreased
$10,995,000
09/25/2025
Listed by Compass
$11,249,500

Property Details for 150 Seaport Boulevard 15CD

Association

Amenities

  • Association Amenities: Hot Water, Pool, Fitness Center, Sauna/Steam, Parking
  • Community Features: Shopping, T-Station
  • Pets Allowed: Yes

Fees

  • Association Fee: $6,518.49 Monthly

Exterior

Construction

  • Number Of Units Total: 114
  • Property Attached: Yes
  • Stories: 1
  • Stories Total: 1
  • Structure Type: High-Rise
  • Window Features: Insulated Windows
  • Year Built: 2025
  • Year Built Details: Actual
  • Building Name: St Regis
  • Construction Materials: Frame
  • Entry Level: 15
  • Entry Location: Unit Placement(Upper)

Features

  • Pool Features: Association, Indoor
  • Waterfront Features: Waterfront, Harbor
  • Waterfront: Yes

Measurements

  • Building Area Total: 3,140
  • Building Area Units: Square Feet
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: 5233736
  • Tax Annual Amount: $9,999.00
  • Tax Assessed Value: $9,999.00
  • Tax Year: 9999

Interior

Features

  • Appliances: Range
  • Flooring: Wood

Measurements

  • Living Area: 3,140
  • Living Area Source: Measured

Rooms

  • Basement: N
  • Bathrooms Full: 3
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 4
  • Bedrooms Total: 3
  • Rooms Total: 4

Parking

Parking

  • Attached Garage: Yes
  • Covered Spaces: 3
  • Garage Spaces: 3
  • Garage: Yes
  • Parking Features: Under, Deeded

Utilities

Equipment

  • Cooling: Central Air
  • Has Cooling: Yes
  • Heating: Central, Forced Air, Natural Gas
  • Has Heating: Yes
  • Laundry Features: In Unit
  • Sewer: Public Sewer
  • Water Source: Public

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, landlords 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, leasing or renting 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, leasing or renting. 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.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.