An important turning point in Newtown came in 1962 with the razing of "Washington's Headquarters," a historic brownstone house built in 1757 that stood on the southwest corner of Washington Avenue and Sycamore Street. George Washington used this house as his headquarters after the Battle of Trenton in 1776. Although it was not the exact same building that Washington used for his headquarters, it was rebuilt on the same foundation from much of the same material and was one of the most famous structures in Newtown. When the house was hastily demolished by developers one night, it inspired a chain of events that resulted in the formation of the Newtown Historic Association.

Newtown Civic Association (1963) - A group of twenty citizens met at the home of A. Newton Gish, Jr., on January 24, 1963, to discuss planning and zoning for the Borough of Newtown. Concerns were expressed about development in Newtown and attempts to change zoning to permit building and development in the Borough, which was currently prohibited. There was much interest expressed in working toward preserving Newtown’s basic character and its historical heritage.

Newtown Civic and Historic Association (1963) - The Newtown Civic Association name was disbanded and a new name was formed. The Newtown Civic and Historic Association was organized in May of 1963. Membership was open to all residents of Newtown Borough and Newtown Township. The purpose of the organization was to promote cooperative planning between the Borough and the Township; to study questions pertaining to planning, zoning, taxes, historical preservation, public health, recreation, safety and other matters of pertinent civic interest. Temporary Chairmen included Thomas Tewksbury, Ernest Millard, Helen F. Randle and William J. Doherty.

Newtown Historic Association, Inc. (1964) - The issues identified by the Newtown Civic Association, coupled with the tragic demolition of Washington's Headquarters, highlighted the need for establishing an official body to protect the historic heritage of Newtown. As a result, the Newtown Historic Association was officially incorporated in 1964 and gained a tangible presence when Mr. & Mrs. Robert L. La Rue donated the Half Moon Inn (Court Inn) building to serve as the association's permanent headquarters. In a community so steeped in history, and with a deep appreciation for the wonderful architectural examples still surrounding its residents, it was inevitable that an active, concerned group of citizens would join together to work toward the preservation of this unique and historic heritage.

There are three similar agencies in Newtown. We have provided the following page to help distinguish between them.

The Court Inn (known as the Half-Moon Inn during the mid 18th century) is one of the oldest and most historic buildings in Newtown. It was the original home of Margaret and Joseph Thornton, built in 1733 as a tavern, and was a popular gathering place when Newtown was the County Seat. The Court Inn, originally called the Half Moon Inn, was built in 1733 by Joseph Thornton on part of five acres of ground originally purchased by four trustees, appointed by the General Assembly “to build a new Court House and Prison in the County of Bucks”. The trustees purchased the ground from John Walley on July 17, 1725 for twelve pounds, five shillings.

Joseph Thornton conducted a tavern here until his death in 1754, when his wife, Margaret Thornton, then took over the business until 1790. Innkeepers Margaret and Joseph Thornton operated the Half Moon Inn on this site offering meals and lodging to the people coming to the county courthouse. The tavern was located in the two north rooms of the building. In the 1890s, the local telephone company purchased the building and subdivided it into two separate units. The north side contained two rooms which were used over the years for a variety of uses, including a radio repair shop. The south side contained a private residence. The Newtown Historic Association was the recipient of the north portion of the property in 1964 as a gift from Robert L. LaRue and his wife, Ruth. The LaRues also gave $25,000 to restore the structure. The NHA then purchased the south residence in 1974 and fully restored it in 1982. After the restoration, the two doors connecting the two properties were re-opened to make it back into one building. The Half Moon Inn (Court Inn) has served as the headquarters of the Newtown Historic Association ever since and is on the National Register of Historic Places.

At the present time, the south portion of the Half Moon Inn (Court Inn) serves as a reception area and includes several rooms that have been restored to their original décor. The north side contains the tavern room and the room behind it where the original Thornton family lived. The second floor houses the Research Center & Barnsley Room of Newtown History, as well as the Edward Hicks room, along with a restored tavern bedroom.

The Thornton/Hicks House was initially constructed in 1782 by Margaret Thornton as a 2 1/2 story stone residence with a brick front facing Court Street. After her death in 1790, the property was purchased by Abraham Chapman, a prominent attorney at the time, and then was sold to the famed Bucks County primitive painter, Edward Hicks in 1811, where he lived until 1821 when he moved to the stone house on Penn Street. This historically significant building has not been changed drastically since 1840 when it is likely that Joseph Schofield raised the level of the roof and added the half windows on the third floor. The front facade of this building was restored in 2003 which included stabilizing, repairing and restoring the roof and attic. New period shutters, hardware and a front door were added along with the replacement of the window sashes, topped off with a new coat of colonial green paint.

The Research Center & Barnsley Room of Newtown History is open to the public without charge on Tuesdays from 9:00 AM to 3:00 PM, Thursdays from 7:00 PM to 9:00 PM, and by appointment. Copying facilities are available. The Research Center is a repository of records focusing on Newtown history from its founding to the present time. The collection includes deeds, wills, diaries, genealogies, photographs, directories, inventories and maps dealing with Newtown people, land, houses, farms, schools, service organizations, events and many other topics of interest. The collections are strong in the period 1725 to 1813, when the village served as the county seat. Edward Hicks, America's foremost primitive painter, is also well represented. The collections are of particular value to persons interested in genealogical information of former Newtown residents, and the maps and deeds are of assistance to those studying land history or dating historic houses in the Newtown area. In 2001, the archives were supplemented by a donation of over 150 photographs from the estate of Norman Kitchin. The Research Center was opened in 1982 and the core of the collection was a gift from Edward R. Barnsley, a long time Newtown resident, collector and preservationist.

The Boone Garden is located directly across from the Half Moon Inn (Court Inn) on the southwest corner of Centre Avenue and Court Street. This 2,100 square foot parcel was donated to the Newtown Historic Association from the late Grace R. "Missy" Boone in 1972 for the enjoyment of the community. The Boone Garden, surrounded by a gothic wrought-iron fence, is a quaint open space in the Borough that contains abundant roses and other charming flowers that greet passers by and are illuminated at night by two Philadelphia cast-iron lamp posts that were donated by the Newtown Commoner Questers and also supported from contributions in memory of Ernest Millard, Jack Sutterly and Terry McCarty.

In April of 1867, a number of prominent residents of Newtown and Wrightstown Townships applied to the Commonwealth of Pennsylvania for, and were granted, a charter to establish a turnpike road from the Anchor Tavern in Wrightstown to Newtown. This became a reality in 1870, when the Newtown gate was erected at the intersection of Durham Road and Sycamore Street, on the site where the Goodnoe Dairy Bar once stood. A small frame house served as both the home of the gatekeeper and his family and the headquarters of the toll gate. Upon the payment of one cent, the gate was lifted and a pedestrian was allowed to pass through. Two cents opened the gate to a horse or ox. When automobiles came into use, the charge for a car and driver was five cents. In about 1920, the Toll House ceased to function and the building became a private residence until 1955, when it was moved farther west on Durham Turnpike, opposite the entrance to Eagle Road. When plans were being formulated for the Village at Newtown shopping center in the early 1980s, the Newtown Historic Association, along with other interested parties, persuaded the developer to preserve and restore the property. Built in two sections, the earlier part of the house dates from 1870. The color of the clapboard siding has been matched to the original paint color. The house features a bargeboard and an unusual window on the porch.