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304 Commonwealth Ave PHBoston, MA 02115

For Sale

$9,200,000

Smart Buyer Rebate $46,000

Exceptional 35' wide Penthouse overlooking tree lined Commonwealth Ave. Set atop of the Clark Weld House built in 1896 and gut renovated in 2010, this spacious triplex stuns as you step off of your direct elevator access into your double wide living room flanked by 2 custom marble fireplaces & 10' ceilings. On this level, there is a beautiful Chef's Kitchen w/ 2 dishwashers, Dining Room, Mahogany fireplaced Study & Butler's Pantry. On the second level, relax by the fireplace in the huge primary suite w/ a spa like bathroom en suite and 2 walk in closets.Three more bedrooms, full bath & laundry finish out this level. The top floor boasts a custom solarium w/ fridge, dishwasher, 1/2 bath & indoor/outdoor fireplace w/ french doors out to a 930sf wrap around roof deck w/ outdoor kitchen & bar. This developer's unit spared no expense during the renovations including marble baths w/ radiant heat, 5 fireplaces, private locked storage, Creston system, pre-wired speakers & two garage spaces.

Listed by Lisa Merriman Barth

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Barth Real Estate

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617-304-1082

Last updated April 16, 2026

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Source: MLSPin #73491112

Listing Facts

  • TypeCondo
  • NeighborhoodBack Bay West
  • Bedrooms4
  • Bathrooms4
  • Days on Prevu37
  • HOA/Maint. Fees$3,693/month
  • Taxes$102,322/year
  • Size4,122 sqft
  • Price per sqft$2,232

Amenities

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

Location

Mortgage Calculator

Listing History

03/24/2026
Listed by Barth Real Estate
$9,200,000

Property Details for 304 Commonwealth Ave PH

Association

Amenities

  • Association Amenities: Elevator(s)
  • Community Features: Public Transportation, Shopping, Park, Walk/Jog Trails, Medical Facility, Bike Path, Highway Access, House Of Worship, Private School, T-Station, University
  • Pets Allowed: Yes w/ Restrictions

Fees

  • Association Fee: $3,693.00 Monthly
  • Association Fee Includes: Water, Sewer, Insurance, Maintenance Structure, Snow Removal, Trash, Reserve Funds

Exterior

Construction

  • Number Of Units Total: 3
  • Roof: Rubber
  • Stories: 3
  • Stories Total: 3
  • Structure Type: Rowhouse
  • Year Built: 1896
  • Year Built Details: Approximate,Renovated Since
  • Building Name: Clark Weld House
  • Common Walls: No One Above
  • Construction Materials: Stone
  • Entry Level: 3
  • Exterior Features: Deck - Roof, City View(s), Professional Landscaping, Sprinkler System

Features

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

Measurements

  • Building Area Total: 4,122
  • Building Area Units: Square Feet
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: 3359724
  • Tax Annual Amount: $102,322.00
  • Tax Assessed Value: $8,836,100.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Range, Dishwasher, Disposal, Microwave, Refrigerator, Washer, Dryer, Wine Refrigerator
  • Fireplace Features: Family Room, Living Room, Master Bedroom
  • Fireplace: Yes
  • Fireplaces Total: 5
  • Flooring: Carpet, Hardwood, Flooring - Hardwood
  • Interior Features: Bathroom - Half, Pedestal Sink, Coffered Ceiling(s), Closet/Cabinets - Custom Built, Recessed Lighting, Lighting - Sconce, Bathroom, Study, Elevator

Measurements

  • Living Area: 4,122
  • Living Area Source: Master Deed

Rooms

  • Basement: Y
  • Bathrooms Full: 2
  • Bathrooms Half: 2
  • Bathrooms Total Integer: 4
  • Bedrooms Total: 4
  • Rooms Total: 11

Other

General

  • Exclusions: Chandeliers In Living Room, Dining Room, In Entrance From Elevator And In Bedrooms.

Parking

Parking

  • Attached Garage: Yes
  • Covered Spaces: 2
  • Garage Spaces: 2
  • Garage: Yes
  • Parking Features: Attached, Under, Garage Door Opener, Assigned, Deeded
  • Parking Total: 2

Utilities

Equipment

  • Cooling: Central Air
  • Has Cooling: Yes
  • Heating: Central, Hydro Air, Fireplace
  • Has Heating: Yes
  • Laundry Features: Sink, Second Floor, In Unit
  • Other Equipment: Intercom
  • Sewer: Public Sewer
  • Utilities: For Gas Range
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this condo have?

There are 4 bedrooms and 4 bathrooms in this condo at 304 Commonwealth Ave PH.

Does this condo have parking?

Yes, there are 2 parking spaces available for 304 Commonwealth Ave PH.

Are pets allowed at 304 Commonwealth Ave?

Yes, 304 Commonwealth Ave allows pets. Check the Property Details for any relevant restrictions.

What are the annual taxes for 304 Commonwealth Ave PH?

Annual taxes for this condo are estimated at $102,322.

How does 304 Commonwealth Ave PH compare to other condos in Back Bay West?

This condo is listed 350% above the average price for condos in Back Bay West and has been on the market for 41 less days than the typical home in this area.

What building or home owners association is the condo part of?

This condo is in the Clark Weld House building.

What is the square footage on this condo?

According to the MLS, this listing is 4,122 sqft.

304 Commonwealth Ave PH is a 4-bedroom, 4-bath condo for sale in Boston MA 02115. Listed on Prevu for 37 days at $9,200,000. This home features 4,122 square feet of living space, located in Back Bay West. The median listing price for condos in this area is $1,487,500. Additional amenities include private outdoor space, dishwasher, pets allowed, elevator, air conditioning, parking, and washer/dryer. Explore more condo listings in Boston.

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.