Ames Mansion (Knives Out) is a Colonial Revival mansion in Easton, Massachusetts, and a filming location for Knives Out (2019). Built in 1910, it was designed by Blanche Ames and Oakes Ames, and is listed on the U.S. National Register of Historic Places. It is owned by Commonwealth of Massachusetts (Department of Conservation and Recreation).
Location: 259 Massapoag Avenue (Borderland State Park), Easton, Massachusetts, USA
Verified facts
- Located in Borderland State Park, Easton
confidence 75/100 · 3 recorded source groups · SRC-0491, SRC-0492, SRC-0624 - Designed by Blanche Ames and Oakes Ames
confidence 80/100 · 4 recorded source groups · SRC-0491, SRC-0491, SRC-0624, SRC-5346, SRC-5347 - Built in 1910
confidence 75/100 · 3 recorded source groups · SRC-0491, SRC-0492, SRC-0624 - Architectural style: Colonial Revival
confidence 75/100 · 3 recorded source groups · SRC-0491, SRC-0493, SRC-0625 - Historic designation: National Register of Historic Places
confidence 75/100 · 3 recorded source groups · SRC-0491, SRC-0492, SRC-0624 - Appeared in Knives Out (movie, 2019)
confidence 75/100 · 4 recorded source groups · SRC-0493, SRC-0492, SRC-0491, SRC-0626 - Owned by Commonwealth of Massachusetts (Department of Conservation and Recreation)
confidence 95/100 · 5 recorded source groups · SRC-0491, SRC-0492, SRC-3023, SRC-4759, SRC-5989
Evidence & sources
- SRC-0491 — Wikipedia — Borderland State Park (Tier 3, encyclopedia; retrieved June 2026)
- SRC-0492 — Friends of Borderland — Park History (Tier 2, institutional_site; retrieved June 2026)
- SRC-0493 — TheWrap — How 'Knives Out' Turned Three Locations Into a Single Mansion of Murder (Tier 2, entertainment_journalism; retrieved June 2026)
- SRC-0624 — U.S. National Park Service — Ames Mansion (Place page) (Tier 1, official_archive; retrieved June 2026)
- SRC-0625 — U.S. National Park Service — National Register of Historic Places, Borderland Historic District (NRIS 97000497) asset record (Tier 1, official_archive; retrieved June 2026)
- SRC-0626 — The Boston Globe — The story behind the Massachusetts mansion in 'Knives Out' (Tier 2, journalism; retrieved June 2026)
- SRC-3023 — The Clio – Borderland State Park (Tier 2, scholarship; retrieved June 2026)
- SRC-4759 — Mass.gov — Borderland State Park (Dept. of Conservation & Recreation) (Tier 1, government; retrieved June 2026)
- SRC-4760 — The Trustees of Reservations — Governor Oliver Ames Estate, Easton (Tier 2, nonprofit_historic; retrieved June 2026)
- SRC-5346 — Atlas Obscura (Tier 2, encyclopedia; retrieved June 2026)
- SRC-5347 — Buildings of New England (Tier 3, blog; retrieved June 2026)
- SRC-5989 — Islands.com — Massachusetts' Lovely State Park With Scenic Trails And Pond Recreation (Tier 3, travel_media; retrieved June 2026)
How we verify
The entries above show the sources and confidence scores recorded in our fact ledger.
Source tiers are internal classifications, not guarantees of accuracy or independence.
Several sources may repeat the same underlying account; a source count alone does not establish independent corroboration. We show the
street address only for non-residential public landmarks (museums, commercial and civic buildings,
publicly documented filming-location sites); the exact addresses of private residences and any
personal information are structurally barred from publication. Last reviewed June 2026.
Plan Your Visit
Hours: Park open daily 8am-sunset. Ames Mansion interior only via guided tours on select dates Apr-Sep (e.g. 2nd & 4th Sundays), first tour noon then every half hour to 2:30pm.
Admission: Park entry free (parking fee applies). Mansion tour $10/person; Friends of Borderland members free. Tickets at the door only, day of tour.
Frequently asked questions
How is Ames Mansion (Knives Out) connected to Knives Out?
Ames Mansion (Knives Out), in Easton, Massachusetts, has a documented connection to Knives Out. Read the sourced facts on this page for the type of connection.
Can you visit Ames Mansion (Knives Out)?
Yes — Ames Mansion (Knives Out) is open to the public on a limited basis. Hours: Park open daily 8am-sunset. Ames Mansion interior only via guided tours on select dates Apr-Sep (e.g. 2nd & 4th Sundays), first tour noon then every half hour to 2:30pm.. Admission: Park entry free (parking fee applies). Mansion tour $10/person; Friends of Borderland members free. Tickets at the door only, day of tour..
Who designed Ames Mansion (Knives Out)?
Ames Mansion (Knives Out) was designed by Blanche Ames and Oakes Ames.
Where is Ames Mansion (Knives Out) located?
Ames Mansion (Knives Out) is located in Easton, Massachusetts.