9 Walnut Avenue

Boston, MA 02140

$8,250,000 Taxes: $22,509.62
5 Beds 4.5 Baths Call for Sq. Ft.

Property Overview

Historic House from 1887

Built for Eugene Niles, who together with his brothers developed 10 houses on Avon Hill – he kept the best for himself. Designed by architect J. Merrill Brown and built by Albert Norris and Company Builders. Original frame of the home assembled by Kennenbec Framing Company in Maine (the same company that built the frame for Thomas Edison’s home in Fort Meyers, Florida).

Museum quality restoration and addition completed in 2010, with all systems updated to the highest contemporary standards by architect Siemasko + Verbridge and builder Gilman Guidelli.

Restoration won the prestigious Cambridge Historical Commission Preservation Award for the exceptional quality of the project.

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Unit Highlights

First Floor
  • Grand entertaining space with rich and exquisite carved woodwork throughout, historic stained glass meticulously restored, intertwining reception rooms and multiple ornate fireplaces and entry foyer with ornate cherry staircase and lovingly restored original stained glass windows
  • Formal parlor with paneled fireplace
  • Large formal dining room with fireplace
  • Family room with restored period built-ins
  • Fabulous modern kitchen with large adjoining eating banquet, expansive open granite counters, Viking dishwasher and stove, Subzero refrigerator/freezer, large built-in television
  • Generous pantry with wet bar and Subzero beverage refrigerator
  • Formal powder room and ¾ bath
  • Large mudroom and back stair
  • Front wrap-around porch and sunny rear deck with mahogany decking
Second Floor
  • Spectacular master bedroom suite with tall ceilings, master bath with large tub, custom stained glass windows, mirror television, and large frameless glass shower enclosure for steam shower
  • Four additional bedrooms and two baths
  • Well-appointed laundry room
  • Nursery
Third Floor
  • Complete floor guest suite, featuring lounge, bedroom, kitchenette, and full bath with soaking tub and shower
  • Turret and deck with amazing views of historic Avon Hill neighborhood
  • Custom ceiling mural at tower
Other Features
  • Full lower level with Media Room/Playroom/game room, ample storage and space for exercise room and wine cellar
  • Exterior siding stripped down to original wood, paint color chip analysis allowed restoration to original house colors
  • Restored original wood floors with ornate decorative border, new to match
  • Bathroom tile floors with radiant heat
  • Lavish casings, trim, and paneling in cherry and quartersawn white oak throughout – most of it original
  • Concealed Elevator serving basement, first, second, and third floors
  • Mechanical engineer designed central heat and air conditioning hydro-air system with remote chillers
  • Driveway and sidewalk snow-melt system
  • Dual modulating high-efficiency Lochinvar boilers
  • Energy efficient and air-sealing foam insulation throughout
  • Complete renovation of all infrastructure, including all plumbing, wiring, lighting, and insulation
  • Historically appropriate period light fixtures installed
  • Complete structural system exposed and reinforced
  • New historically appropriate custom weight & chain windows with insulated glass
  • Energy efficient and air-sealing foam insulation throughout
  • Concealed Sonos AV system with multiple zones, cable and internet wiring throughout
  • Security system featuring internet-accessible camera with DVR
  • Brick and bluestone hardscape, mature landscape, Lutron controlled landscape lighting
  • All new slate roof with decorative copper finials and copper flashing, gutters, and downspouts
  • Chimneys through-pan flashed, rebuilt from roof line up, and fully re-pointed
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