18 Treehouse Way

Barrington NH 03825

3363 sq. ft.

74488 sq. ft.

Single-Family

Last sold for $1,345,260

Justin Kelcourse, last sold this property on 14 August 2026 after 71 days on market.

Overview

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 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 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.

Features

4 bedrooms

4 bathrooms

2 carspaces

2 garage spaces

3363 sq. ft. floor area

74488 sq. ft. lot size

Single-Family

Estimated Value

Based on this property and similar 4 bedroom single-family properties sold in Barrington over the last 12 months, the estimated median property value of 18 Treehouse Way is $802.95k.

Median value

$802.95k

Estimated value range

$350k - $2.17m

Median days on market

Estimated value trend

-7%

decrease over the last 12 months

Average days on market is based on recent, comparable sales in Barrington. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 18 Treehouse Way

2026

Sold

$1,345,260

14 Aug 2026 by Justin Kelcourse, of Keller Williams Coastal Realty

Happy sellers in Barrington

We have insufficient information to provide an overview of customer satisfaction for Barrington. Viewing the agent profiles, reviews and sales for Barrington can provide insights for this location.