89 Undermountain Rd
Egremont, MA 01258
5
Bed
5
Bath
6,092Sqft
30.44Acres(Lot)
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.
Property Details
Map
Map
What's Nearby
Nearby Areas
Features
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Bedroom Information
Total beds: 5Bathroom Information
Total Baths: 5 Full Baths: 5Room Information
Rooms Total: 8 Has Basement: Yes Basement: Finished, Walk-Out Access -
Flooring Information
Carpet, Ceramic Tile, Wood -
Interior Features
Cathedral Ceiling(s), Sauna, Walk-In Closet(s) Appliances: Electric Oven, Built-In Electric Oven, Cooktop, Dishwasher, Dryer, Microwave, Refrigerator, Washer -
Heating & Cooling
Has Heating: Yes Heating: Oil, Hot Water Water front: 1
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Building Information
Year Built: 1988 Building Area Total: 6092 Patio And Porch Features: Deck, Patio Pool Features: In Ground Private Pool: No Water front Features: Waterfront Access, Pond View: Mountain(s), Water, Pond
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Lot Information
Lot Dimensions: 30.44 acres Main Square Feet: 30.44 Acres Lot Size Acres: 30.44 Lot Size Square Feet: 1325966 Lot Description: Landscaped, Waterfront
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Listing Price Information
Listing Price: $2400000
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Tax Information
Parcel Number: M:004.0 B:0000 L:0343 & 343B Tax Year: 2025 Annual Tax: $15308
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Parking Information
Off StreetGarage Information
Has Garage: Yes Garage Space: 2
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School Information
Elementary School: SBRSDJunior High School: SBRSDSenior High School: SBRSD -
Location Information
Direction: GPS Friendly. Sign at the beginning of the driveway. WaterSource: Private, Well Security Features: Security System
How much is this property worth?
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Nearby Home Value
| Address | Estimate | Bed | Bath | Sq. Ft | Lot Size |
|---|---|---|---|---|---|
| 25 Sheffield Road, Egremont, MA, 01258 | $5,650,000 | 11 | 10 | 9,748 | 9,748 SqFt |
| 22 Sheffield Rd, Egremont, MA, 01258 | $1,085,000 | 4 | 2 | 2,742 | 2,742 SqFt |
| 138 Hillsdale Rd, Egremont, MA, 01258 | $779,500 | 3 | 3 | 2,330 | 2,330 SqFt |
| 138 Hillsdale Rd, Egremont, MA, 01258 | $779,500 | 3 | 3 | 2,330 | 2,330 SqFt |
| 173 Hillsdale Rd, Egremont, MA, 01258 | $1,950,000 | 5 | 5 | 4,842 | 4,842 SqFt |
| 9 Prospect Lake Rd, Egremont, MA, 01258 | $1,300,000 | 4 | 5 | 2,524 | 2,524 SqFt |
| 5 Taconic Ln, Egremont, MA, 01258 | $569,000 | 4 | 2 | 1,932 | 1,932 SqFt |
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Information from the Berkshire County Board of REALTORS®, Inc. or its Multiple Listing Service, 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, shall at all times remain vested in the Berkshire County Board of REALTORS®. As a Participant of the Berkshire 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. Copyright ©2026 Berkshire County Multiple Listing Service. All rights reserved.
ByOwner last updated this listing 06/07/2026 @ 22:05
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