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9 Walnut StBoston, MA 02108

For Sale

$8,750,000

Smart Buyer Rebate $43,750

Grand and wide South Slope single family townhouse with elevator to every floor! This gracious ultra wide Beacon Hill home has been fully renovated and upgraded with many recent capital improvements to systems and structure. Offering 5+ bedrooms, 4 full and 2 half baths, this wonderful home has an excellent scale with enormous floor to ceiling windows, soaring ceiling heights on every floor, a level and wide staircase and a large elevator. A parlor level eat in kitchen has ample storage, top-of-the-line appliances and access to a deck and an enclosed garden. Opposite the eat-in kitchen is a large formal dining room with views of Walnut St and a fireplace. A grand "Piano Nobile" is ideal for entertaining with its enormous scale, oversized windows and gas fireplace. A primary suite has ample closet space and an attached marble bath. 4 guest suites share 3 full baths and a full staircase leads to a captivating roof top deck with sensational views of Boston and The Charles River!

Listed by Michael Harper

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Coldwell Banker Realty - Boston

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617-480-3938

Last updated September 19, 2025

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Source: MLSPin #73430657

Listing Facts

  • TypeSingle-family
  • NeighborhoodSouth Slope
  • Bedrooms5
  • Bathrooms6
  • Days on Prevu38
  • Taxes$91,504/year
  • Size6,082 sqft
  • Price per sqft$1,439

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Air Conditioning
  • Elevator
  • Parking

Location

Mortgage Calculator

Listing History

09/15/2025
Listed by Coldwell Banker Realty - Boston
$8,750,000

Property Details for 9 Walnut St

Association

Amenities

  • Community Features: Public Transportation, Shopping, Tennis Court(s), Park, Walk/Jog Trails, Medical Facility, Laundromat, Bike Path, Conservation Area, Highway Access, T-Station, Other

Exterior

Construction

  • Property Attached: Yes
  • Roof: Slate, Rubber, Other
  • Year Built: 1899
  • Year Built Details: Approximate
  • Architectural Style: Federal
  • Construction Materials: Frame, Brick
  • Exterior Features: Deck - Roof, Patio, City View(s), Other

Features

  • Patio And Porch Features: Deck - Roof, Patio
  • View: City

Measurements

  • Building Area Total: 6,082
  • Building Area Units: Square Feet
  • Lot Features: Level, Other
  • Lot Size Acres: 0.03
  • Lot Size Area: 0
  • Lot Size Square Feet: 1,497
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: W:05 P:01478 S:000,3356438
  • Tax Annual Amount: $91,504.00
  • Tax Assessed Value: $7,901,900.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Range, Oven, Dishwasher, Disposal, Refrigerator, Freezer, Washer, Dryer
  • Fireplace: Yes
  • Fireplaces Total: 6
  • Flooring: Wood, Carpet
  • Interior Features: Elevator

Measurements

  • Living Area: 6,082
  • Living Area Source: Other

Rooms

  • Bathrooms Full: 4
  • Bathrooms Half: 2
  • Bathrooms Total Integer: 6
  • Bedrooms Total: 5
  • Rooms Total: 12

Utilities

Equipment

  • Cooling: Central Air
  • Has Cooling: Yes
  • Heating: Forced Air
  • Has Heating: Yes
  • 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.