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Listing broker remarks

One-of-a-kind Post & Beam authentic mid-century modern home, designed by mid-century architects Salsberg & Leblanc available for the first time in 65 years, features a gated & walled property with open floor plan, vaulted beamed ceilings, 19 foot stone fireplace, massive windows, all connecting to exceptional outdoor gardens. This single owner restored home is in the midst of Phillips Academy and Pike School. Updates include newly installed HVAC, electric service, stainless appliances, and Maple hardwood & Oak plank flooring. Genuine mahogany built-in’s free up valuable floor space, while floor to ceiling windows bring sunlight from the outdoors in with views of the gardens and in-ground pool. 4 bedrooms / 2.5 baths, lower level second kitchen with walk-out to pool. This treasure sits on .94 acres with superb design features using quality materials not found today. Price includes the contiguous lot -29 Hidden Road (22,220 sf), ideal for an ADU. Add’l features on paperclip.— Lillian Montalto Signature Properties

Key details

  • 2,645 sq ft
  • 18,875 lot sq ft
  • 4 beds
  • 2.5 baths
  • 1960 built
  • $1,356 / sq ft
  • $14,013 2026 taxes
MLS #
7⁠3⁠5⁠4⁠5⁠1⁠0⁠5⁠
Last updated
Address
6 Porter Rd
Town
Andover, MA
ZIP
01810
Deed (Bk/Pg)
10568 / 78

Map

Neighborhood: Andover

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.

Ch. 91 Waterways License

An active MassDEP permit for a dock, pier, seawall, or other structure on or over a Massachusetts waterway. Many older licenses are not digitized; this record is provided for reference only.

Massachusetts Great Pond

A Great Pond under M.G.L. Ch. 91 — the Commonwealth retains public rights to fish and navigate these state-designated waters. Private docks and other waterfront structures require a Waterways License from MassDEP.

Likely Great Pond

The MLS listing describes this property as being on a Great Pond, which would be a state-designated water body under M.G.L. Ch. 91. GIS data did not independently confirm the pond name — verification needed.