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 · Barth Real Estate MLS PIN #73491112 · Updated 10/9/2026, 9:35:00 AM ET
Public Transportation · Shopping · Park · Walk/Jog Trails · Medical Facility · Bike Path · Highway Access · House of Worship · Private School · T-Station · University
Senior community
No
Management
Professional - Off Site
Development completion
Yes
Owner occupied units
3
Taxes & property records
Annual property tax
$111,818
Tax year
2026
Assessed value
$9,017,600
Parcel number
3359724
Zoning
CD
Registry book
53030
Registry page
96
Rental terms
Pets allowed
Yes w/ Restrictions
Pet restrictions
Other (See Remarks)
Location & listed schools
City
Boston
County
Suffolk
State
MA
ZIP code
02115
MLS area
Back Bay
Directions
Between Gloucester and Hereford
Listing & disclosures
MLS number
73491112
Listing date
2026-03-24
Original entry date
2026-03-25
Status changed
2026-09-18
Listing modified
2026-10-09
Original list price
$9,200,000
Current list price
$9,200,000
List price per sqft
$2,231.93
Days on market
199
Property market time
199
Disclosures
Photos from previous occupant. Garage is ONLY the left side in photo and the 2nd garage space is underneath on a lift system. No elevator access to solarium and roof deck.
Disclosure indicator
N
Lead paint
Unknown
Exclusions
Chandeliers In Living Room, Dining Room, In Entrance From Elevator And In Bedrooms.
Price & tax details
Current asking price$9,200,000
Original asking price$9,200,000
Listed on2026-03-24
Days on market199
Tax record supplied by MLS
Year
Property tax
Assessed value
2026
$111,818
$9,017,600
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.
This listing does not name individual schools. Public school information below is context, not an attendance assignment for this address.
Nearby public schools
Sorted by straight-line distance within the city. These are not attendance boundaries or a guarantee of enrollment.
MLS school names do not guarantee attendance. Assignment can vary by school year, grade and admissions policy; confirm with the district before committing.What do these numbers mean?
DESE accountability percentiles (1–99) compare schools administering similar assessments, using up to two years of indicators. These are not test scores out of 100 or GreatSchools 1–10 ratings. Progress toward targets is a separate state measure. Consider programs, support services and your child’s needs as well.
School names link to available school or district websites.
