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Listing broker remarks

Exquisite, wide Back Bay townhouse on the sunny side of Commonwealth with large private roof deck, magnificent views, Juliet balcony, and 6 outdoor parking showcases exceptional bones and timeless character. Expansive windows provide outstanding natural light, highlighting the home's historic charm and original detail. The property offers a versatile floor plan for customization, with approximately 10,000+/-sf to create luxurious spaces and exceptional entertaining space. Currently exhibiting an open and airy kitchen, soaring ceilings, a stately dining room, beautiful paneled library, 5+ well-proportional bedrooms, abundant closets, and a separate au pair suite, it is one of only a few single family homes in this highly coveted neighborhood. Its distinguished façade, irreplaceable location, and palatial scale present an extraordinary canvas for a discerning buyer. Elevator to all floors, 8 fireplaces, and grandeur complete this home’s spectacular offering. Some photos virtually staged.— Compass

Key details

  • 9,624 sq ft
  • 3,237 lot sq ft
  • 6 beds
  • 6.5 baths
  • 1899 built
  • $2,280 / sq ft
  • $141,208 2026 taxes
MLS #
7⁠3⁠5⁠2⁠7⁠7⁠2⁠8⁠
Last updated
Address
129 Commonwealth Avenue
Town
Boston, MA
ZIP
02116
Deed (Bk/Pg)
59686 / 336

Historic designations

National Register
Back Bay Historic District
Local Historic District
Back Bay Architectural District· · includes BOS.BW
MACRIS Inventory
Weld, William - Pratt, S. M. House · includes BOS.3467

What this means for buyers →

Map

Neighborhood: Boston

National Historic Landmark

Federally designated as nationally significant — the highest U.S. historic recognition. Section 106 review applies to federal undertakings affecting the property.

National Register

Listed on the National Register of Historic Places. Owners may qualify for the 20% federal Historic Rehabilitation Tax Credit on certified rehabilitation work.

State Register

Listed on the Massachusetts State Register of Historic Places.

Local Historic District

Inside a Local Historic District. Exterior changes visible from a public way require approval from the local historic district commission.

Local Landmark

Individually designated by the town as a local landmark. Exterior alterations require commission approval.

MACRIS Inventory

Documented in MACRIS, the state historic inventory. Informational only — no regulatory constraints.

Article 85 (Boston)

Subject to Boston Article 85 demolition-delay review, which can pause demolition of buildings 50+ years old for up to 90 days.