10 South Arm Road, Andover, ME 04226

$2,150,000

Property Type: Residential Bedrooms: 20 Baths: 7 Square Footage: 9,000 Lot Size (sq. ft.): 5,488,560 Status: Active

Current Price: $2,150,000 List Date: 7/29/2025 Last Modified: 4/18/2026

Overview

Description

Once in a lifetime a commercial property becomes available that is steeped in American history while retaining its timeless elegance, offering a compelling business opportunity in a unique mountain and riverfront setting. This is that property. The Merrill House is a vast Gilded Age country estate with a storied past, on 126 acres in the beautiful mountains of Western Maine. In the early 1900s, Henry Varnum Poor (founder of Standard & Poor's, later the S&P 500) carried out the final expansion, with contributions from influential architects Stanford White and Frederick Law Olmstead. It has been home to 8 generations of the same family, the setting for a major motion picture, and a profitable retreat, event, and vacation rental venue. The property offers extensive manicured lawns, gardens, trails, and magnificent views. The main home boasts 16 bedrooms, 7 bathrooms, a stately dining room, and an impressive Great Hall for which photos do not do justice. There are also income-produci ... (Read more)

Listing Details MLS# 1632191

Property Sub-Type

Property Sub-Type: Single Family Residence

Location Information

Street #: 10
Street Name: South Arm
Street Type: Road
County: Oxford
Town: Andover
State/Province: ME
Zip Code: 04226
Leased Land: No
Book: 4356
Page: 183
Map: 9
Lot: 19
Zoning: Mixed
Zoning Overlay: Yes
Association: No
Full Tax Amount $: 11647.88
Tax Year: 2024
Tree Growth Y/N: Yes

Contract Information

Original List Price: 2250000

Property Information

Surveyed: Yes
Seasonal: No
Deed/Conveyance Type Offered: Warranty
Deed: All
Deed Restrictions: Yes
Bank Owned REO: No
2 Detached Houses on 1 Lot: Yes
# Rooms: 31
# Bedrooms: 20
# Fireplaces: 14
Total Full Baths: 5
Total Half Baths: 2
Total Baths: 7
Year Built: 1791
SqFt Finished Above Grade: 9000
SqFt Finished Total: 9000
SqFt Source: Seller
Garage: Yes
Garage Spaces: 3
Lot Size Acres +/-: 126
Source of Acreage: Public Records
SqFt Finished Below Grade: 0

Water Info

Water Frontage: Yes
Waterfront Amount: 2600
Water Frontage Owned: 2600
Water View: No
Water Body Name: Ellis River
Water Frontage Shared: 0

Site

Open: Yes
Pasture/Field: Yes
Rolling/Sloping: Yes
Well Landscaped: Yes
Wooded: Yes

More Information

Location

Rural: Yes

Roads

Paved: Yes
Public: Yes

Source of Water Frontage

Seller: Yes

Water Body Type

River: Yes

Construction

Wood Frame: Yes

Other Structures

Barn(s): Yes
Outbuilding: Yes
Shed(s): Yes

Basement

Brick/Mortar: Yes

View

Fields: Yes
Mountain(s): Yes
Scenic: Yes
Trees/Woods: Yes

Foundation Materials

Block: Yes
Brick/Mortar: Yes
Granite: Yes
Poured Concrete: Yes

Exterior

Wood Siding: Yes

Roof

Composition: Yes

Heat System

Baseboard: Yes
Hot Water: Yes
Wood Stove: Yes

Appliances Included

Dishwasher: Yes
Dryer: Yes
Electric Range: Yes
Microwave: Yes
Refrigerator: Yes

Heat Fuel

Electric: Yes
Oil: Yes
Wood: Yes

Cooling

None: Yes

Floors

Vinyl: Yes
Wood: Yes

Parking

21+ Spaces: Yes

Style

Colonial: Yes

Electric

Circuit Breakers: Yes

Bedroom 1

Bedroom 1: Yes
Bedroom 1 Level: First

Gas

No Gas: Yes

Sewer

Private Sewer: Yes
Septic Design Available: Yes

Bedroom 2

Bedroom 2: Yes
Bedroom 2 Level: Second

Water

Well: Yes

Bedroom 3

Bedroom 3: Yes
Bedroom 3 Level: Second

Bedroom 4

Bedroom 4: Yes
Bedroom 4 Level: Second

Bedroom 5

Bedroom 5: Yes
Bedroom 5 Level: Second

Bedroom 6

Bedroom 6: Yes
Bedroom 6 Level: Second

Driveway

Gravel: Yes

Bedroom 7

Bedroom 7: Yes
Bedroom 7 Level: Second

Bedroom 8

Bedroom 8: Yes
Bedroom 8 Level: Second

Bedroom 9

Bedroom 9: Yes
Bedroom 9 Level: Second

Bedroom 10

Bedroom 10: Yes
Bedroom 10 Level: Second

Bedroom 11

Bedroom 11: Yes
Bedroom 11 Level: Second

Basement Entry

Interior: Yes

Bedroom 12

Bedroom 12: Yes
Bedroom 12 Level: Second

Bedroom 13

Bedroom 13: Yes
Bedroom 13 Level: Third

Water Heater

Electric: Yes

Amenities

1st Floor Bedroom: Yes
Attic: Yes
Bathtub: Yes

Patio and Porch Features

Deck: Yes

Den

Den: Yes
Den Level: First

Vehicle Storage

3 Car: Yes

Family Room

Family Room: Yes
Family Room Level: First

Great Room

Great Room: Yes
Great Room Level: First

Great Room Amenities

Cathedral Ceiling: Yes
Wood Burning Fireplace: Yes

Kitchen

Kitchen: Yes
Kitchen Level: First

Office

Office: Yes
Office Level: First

Other Room 2

Other Room 2: Yes
Other Room 2 Level: First

Room Features

Cathedral Ceiling(s): Yes
Wood Burning Fireplace: Yes

Property Features

Site: Open; Pasture/Field; Rolling/Sloping; Well Landscaped; Wooded Location: Rural Roads: Paved; Public Source of Water Frontage: Seller Water Body Type: River View: Fields; Mountain(s); Scenic; Trees/Woods Appliances Included: Dishwasher; Dryer; Electric Range; Microwave; Refrigerator Style: Colonial Construction: Wood Frame Basement: Brick/Mortar Basement Entry: Interior Foundation Materials: Block; Brick/Mortar; Granite; Poured Concrete Roof: Composition Exterior: Wood Siding Heat System: Baseboard; Hot Water; Wood Stove Heat Fuel: Oil; Wood Water Heater: Electric Cooling: None Floors: Vinyl; Wood Amenities: 1st Floor Bedroom; Attic; Bathtub Patio and Porch Features: Deck Driveway: Gravel Parking: 21+ Spaces Vehicle Storage: 3 Car Other Structures: Barn(s); Outbuilding; Shed(s) Electric: Circuit Breakers Gas: No Gas Sewer: Private Sewer; Septic Design Available Water: Well

Room Information

Room Name	Level
Den	First
Family Room	First
Office	First
Other Room 2	First
Kitchen	First
Kitchen	First
Great Room	First
Bedroom 1	First
Bedroom 2	Second
Bedroom 3	Second
Bedroom 4	Second
Bedroom 5	Second
Bedroom 6	Second
Bedroom 7	Second
Bedroom 8	Second
Bedroom 9	Second
Bedroom 10	Second
Bedroom 11	Second
Bedroom 12	Second
Bedroom 13	Third

Documents

Property Disclosure - main house ›

Property Disclosure - cottage ›

Lead Paint Disclosure - main house ›

Lead Paint Disclosure - cottage ›

FEMA Map ›

Tax Map 10 South Arm Road ›

Floor Plans ›

IDX

Listing Office: Coldwell Banker Realty

Last Updated: April - 18 - 2026

Broker Attribution: 207-967-9900

Listing data is derived in whole or in part from the Maine IDX and is for consumers' personal, noncommercial use only. Dimensions are approximate and not guaranteed. All data should be independently verified. Copyright ©2026 Maine Real Estate Information System, Inc. All Rights Reserved. Equal Housing Opportunity.