89 Undermountain Rd, Egremont, MA 01258

New Listing
$2,400,000
Property Type: Residential Bedrooms: 5 Baths: 5 Square Footage: 6,092 Lot Size (sq. ft.): 1,325,966 Status: Active
Current Price: $2,400,000 List Date: 5/28/2026 Last Modified: 5/28/2026

Overview

Description

Welcome to Treetops. A long private driveway passing a large pond sets the scene for this impressive hilltop retreat with 6,000 square feet across three levels and seasonal views of the Taconic Hills. Built with wood hewn from trees on the property, including the distinctive stairway, the home offers a huge open-plan main level ideal for gatherings, along with an indoor pool, hot tub, sauna and a dramatic two-story primary suite. Five bedrooms and five baths provide ample space for guests, with additional bedrooms on the upper and lower levels plus a family room downstairs. A second home may be built on a conserved, included, second parcel. Expansive decks, a three-car garage, sold fully furnished, and abutting the Appalachian Trail conservation lands complete the offering.

Listing Details MLS# 249684

Location, Tax & Legal

Registry
South Registry
Street #
89
Street Name
Undermountain
Street Ext
Rd
State/Province
MA
Postal Code
01258
Map Ref
M:004.0 B:0000 L:0343 & 343B
Assess Amt
2445300
Elem School
SBRSD
Middle School
SBRSD
High School
SBRSD
Assessed Year
2025
Taxes
15308
Tax Year
2025
Page
249

Contract Information

Accessory Dwelling Unit
No
Original List Price
2400000
Limited Service
No
Agent Interest
None

General Property Description

Realtor.COM Type
Residential - Single Family
Sq Ft Liv Apx
6092
Sq Ft Source
Assessor
Total Rooms
8
Total Bedrooms
5
Total Full Baths
5
Total Bathrooms
5
Garage Stalls
2
Parking Spaces Type
Garaged & Off-Street
Surveillance
Yes
Year Built Apx
1988
Year Built Source
Assessor
Yr Blt Description
Renovated Since
Lot Size Dimensions
30.44 acres
Acres Apx
30.44
Lot Size SqFt
1325966

Status Change Info

Status Change Date
2026-05-27

Building Info

Exterior Color
Brown
Wood Fireplace #
Yes
Wood Stove #
Yes

Remarks & Misc

Additional Disclosures
*This home comes fully furnished as featured in the listing with the exception of some artwork. These pieces will be disclosed at showings. *Berkshire National Resources Council holds a conservation restriction on the 9 acre parcel close to the road.
Directions
GPS Friendly. Sign at the beginning of the driveway.
Marketing/Headline
FIVE BED FIVE BATH HOME WITH INDOOR POOL, PRIVACY AND VIEWS.

More Information

Restrict Covenants

Yes
Yes

Appliances Incl

Built-In Electric Oven
Yes
Cooktop
Yes
Dishwasher
Yes
Dryer
Yes
Microwave
Yes
Refrigerator
Yes
Washer
Yes

Basement

Finished-Fully
Yes
Walkout
Yes

Exterior Amenities

Deck
Yes
Patio
Yes
Pool - In Ground
Yes
Privacy
Yes
Trash Private
Yes
Mature Landscaping
Yes

Flood Hazard Area

No
Yes

Floor

Carpet
Yes
Ceramic Tile
Yes
Wood
Yes

Fuel

Oil
Yes

Garage

Multiple
Yes
Oversized
Yes
Under
Yes

Heat/Cool/Vent

Boiler
Yes
Ductless Wall Unit A/C System
Yes
Hot Water
Yes
Radiant
Yes
Wood Stove
Yes

Hot Water

Oil
Yes

Interior Amenities

Alarm System
Yes
Cathedral Ceilings
Yes
Fireplace (s)
Yes
Hot Tub
Yes
Interior Balcony
Yes
Sauna
Yes
Walk-In Closet(s)
Yes

Internet Service

Satellite Available
Yes

Lead Paint

No
Yes
N/A, built 1978 or later
Yes

Lot Description

Adj to Protected Ld
Yes

Water Features

Frontage on Water
Yes
Pond
Yes
Pond Access
Yes

Title V

Unk
Yes

Underground Oil Tank

No
Yes

Water

Well
Yes

Right to Farm Comm

Yes
Yes

Well Detail

Drilled
Yes

Sewer

Private
Yes

Easement

Unk
Yes

Survey

Yes
Yes

Right of Way

Unk
Yes

Accessibility

1st Fl Bdrm
Yes
1st Flr Bdrm w/Bath
Yes
1st Flr Full Bath
Yes
1st Flr Half Bath
Yes

Electric Type

200 Amp
Yes

Views

Distant
Yes
Hill/Mountain
Yes
Pond
Yes
Seasonal
Yes
Water
Yes

Construction

Wood Frame
Yes

Roof

Asphalt Shingles
Yes

Stove Permit

No
Yes

Style

Contemporary
Yes

Zoning

Residential
Yes

Insulation

Unknown
Yes

Seller Disc

No
Yes

Exterior Siding

Wood
Yes

Possession

Close Of Escrow
Yes
Negotiable
Yes

Property Features

Restrict Covenants: Yes Title V: Unk Underground Oil Tank: No Water: Well Well Detail: Drilled Sewer: Private Easement: Unk Survey: Yes Right of Way: Unk Right to Farm Comm: Yes Flood Hazard Area: No Views: Distant; Hill/Mountain; Pond; Seasonal; Water Water Features: Frontage on Water; Pond; Pond Access Lot Description: Adj to Protected Ld Stove Permit: No Electric Type: 200 Amp Style: Contemporary Interior Amenities: Alarm System; Cathedral Ceilings; Fireplace (s); Hot Tub; Interior Balcony; Sauna; Walk-In Closet(s) Internet Service: Satellite Available Accessibility: 1st Fl Bdrm; 1st Flr Bdrm w/Bath; 1st Flr Full Bath; 1st Flr Half Bath Exterior Amenities: Deck; Patio; Pool - In Ground; Privacy; Trash Private; Mature Landscaping Appliances Incl: Built-In Electric Oven; Cooktop; Dishwasher; Dryer; Microwave; Refrigerator; Washer Construction: Wood Frame Exterior Siding: Wood Roof: Asphalt Shingles Basement: Finished-Fully; Walkout Floor: Carpet; Ceramic Tile; Wood Garage: Oversized; Under; Multiple Fuel: Oil Hot Water: Oil Insulation: Unknown Lead Paint: No; N/A, built 1978 or later Zoning: Residential Seller Disc: No Possession: Close Of Escrow; Negotiable

Room Information

Room Name Level Remarks
Foyer First
Great Room First
Kitchen First
Dining Room First
Primary Bedroom First
Primary Bathroom First
Bedroom 1 First
Full Bathroom First
Other First Large indoor pool, Hot Tub and Sauna
Laundry First
Den Second Part of the primary suite
Game Room Second In the open second floor landing
Bedroom 2 Second
Full Bathroom Second
Bedroom 3 Lower
Bedroom 4 Lower
Full Bathroom Lower
Full Bathroom Lower
Family Room Lower
Listing Office: COMPASS MASSACHUSETTS , LLC GB
Listing Agent: Timothy Lovett
Last Updated: May - 28 - 2026
Information from the Berkshire County Board of Realtors, Inc. or it's Multiple Listing Service. Site contains live data. Information herein believed to be accurate, but not warranted. All right, title and interest in the exclusively listed property information represented on this website was created, maintained and copyrighted by the Berkshire County Board of Realtors® and in copyrights therein, hall at all times remain vested in the Berkshire County Board of Realtors®. As a Participant of theBerkshire County Multiple Listing Service, this company was granted a lease to use this information in accordance with all rules and regulations of the Service. This information is being provided for Consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties Consumers may be interested in purchasing.

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