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Patrick Cooper
REALTOR®
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18 Treehouse Way, Barrington, NH 03825

$1,380,000
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Active
BEDS4 BATHS3 full 1 partial SQUARE FEET2,984 MLS#5091019
STATUSActive PROPERTY TYPEResidential - Single Family SCHOOLBarrington Sch Dsct SAU #74

Listing Courtesy of: KW Coastal and Lakes Mountains Realty
Agency Phone: 603-610-8500
Associate Name: Justin Kelcourse
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Property Description

New listing offering a rare waterfront retreat ? two adjacent waterfront properties being sold together as one conveyance ? welcome to 18 & 20 Treehouse Way on Ayers Pond in Barrington. Together, these two single-family homes offer approximately 300' of waterfront and a unique opportunity for year-round living, multigenerational use, or a cherished seasonal escape. Situated at the end of a private way, this peaceful compound offers privacy, nature, and flexibility. Designed with classic New England boathouse-inspired architecture, the homes embrace waterfront living with expansive glass, natural gathering spaces, and a seamless connection between indoors and out. 20 Treehouse Way is a 3-bedroom, 2.5-bath home with approximately 2,240 SF. The open floor plan is highlighted by a dramatic wall of windows framing water views and filling the home with natural light. Sliders lead out to the wraparound deck and screened porch ? ideal for grilling, relaxing, and enjoying the pond. The kitchen flows into the gathering spaces and porch, while the private primary suite, additional bedrooms, and partially finished walkout lower level provide flexibility for guests, recreation, or work-from-home needs. Two lower-level sliders lead toward the dock. 18 Treehouse Way offers a 1-bedroom, 1-bath home with approximately 744 SF above a two-car garage. The open-concept layout makes it ideal as a guest house, in-law setup, studio, or private retreat. The dual-home configuration offers exceptional flexibility for extended family, guests, or potential income opportunities. With a private dock, abundant storage, and a backup generator, these lovingly maintained homes are in exceptional condition, and truly move-in ready ? this is the waterfront property you have been waiting for.

18 Treehouse Way | MLS# 5091019

This single family home located at 18 Treehouse Way, Barrington, NH 03825 is currently listed for sale with an asking price of $1,380,000. This property was built in 1977 and has 4 bedrooms and 3 full and 1 partial baths with 2984 sq. ft. Treehouse Way is located within the Barrington Sch Dsct SAU #74 school district. Search Barrington real estate on patrickcooper.masiellogrouprealestate.com today.

Property Features

Property Type: Residential - Single Family
Basement: Yes
Basement: Full, Partially Finished, Walkout, Basement Stairs
Cooling: None
Garage: 2
Heating: Propane, Baseboard, Direct Vent, Forced Air, Hot Water
Home Style: Contemporary
Lot Size: 1.71 Acres
Roof Type: Asphalt Shingle
Stories: 2.0
Taxes: $25,432
Year Built: 1977

Amenities

Cathedral Ceiling
Ceiling Fan
Dining Area
Kitchen Island
Kitchen/Dining
Kitchen/Living
Laundry Hook-ups
Living/Dining
Primary BR w/ BA
Natural Light
Natural Woodwork
Walk-in Closet
Deck
Garden Space
Natural Shade
Screened Porch
Private Dock

Feature Descriptions

Appliances: Dishwasher, Microwave, Gas Range, Refrigerator
Baths 1/2: 1
Baths Full: 3
Construction: Wood Frame, Wood Siding
Construction Status: Existing
Days on Site: 8
Driveway: Paved
Electric: Circuit Breaker(s)
Equipment: Gas Stove, Wood Stove, Standby Generator
Exterior: Wood Frame, Wood Siding
Flood Zone: No
Flooring: Carpet, Hardwood
Foundation: Concrete, Concrete Slab
Lot: Country Setting, Lake Frontage, Lake View, Secluded, Sloping, Waterfront, Wooded, Near Golf Course, Near Shopping, Private
Nearby Bodies of Water: Ayers Pond
Number of Rooms: 8
Parking: Auto Open, Driveway, Garage
Roads: Private Road
Sewer: On-Site Septic Exists, Private
Sq. Ft. Above Grade Finished: 2648
Sq. Ft. Below Grade Finished: 336
Sq. Ft. Total Finished: 2984
Total Stories: 2
Water: On-Site Well Exists, Private
Water Access: Yes
Water Body Type: Pond
Water Frontage: 301
Water Rights: Exclusively Owned
Water View: Yes
Zoning: RES WTRFRNT AYERS LAKE

Local Schools

High School: Dover High School
Middle School: Barrington Middle
Elementary School: Barrington Elementary
School District: Barrington Sch Dsct SAU #74

Listed By / Shown By

Listed By

Agency Name: KW Coastal and Lakes Mountains Realty
Agent Name: Justin Kelcourse
Agency Phone: 603-610-8500

Shown By

Agent Name: Patrick Cooper
Agent Phone:
Agency Title: Better Homes and Gardens Real Estate The Masiello Group

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Estimated Payment

$ 5,593.12 per month $3,071.28 Principal & Interest $2,119.33 Property Tax $402.50 Homeowner's Insurance

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Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is 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. Information on this site was last updated 06/04/2026. The listing information on this page last changed on 06/04/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Thu 06/04/2026 12:23:58 AM EST) or MLSPIN MLS (last updated Wed 06/03/2026 11:38:42 PM EST) or Prime MLS (last updated Wed 06/03/2026 11:33:45 PM EST) or MREIS (last updated Thu 06/04/2026 12:15:17 AM EST). Real estate listings held by brokerage firms other than Better Homes and Gardens Real Estate The Masiello Group may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.

Listing data compilation and photo(s) copyright © 2026 PrimeMLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this display comes in part from the IDX Program of PrimeMLS. The information being provided is 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. Data Last Updated 2026-06-03 23:33:45

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