St. John’s Episcopal Church (pdf) was built in 1809 at Warehouse Point, a section of East Windsor which was undergoing economic development at the time. Some of the founders of the church included former members of the First Congregational Church of East Windsor, who had wanted a new church built and been tried and acquitted of the charge of arson after a fire had destroyed their meeting house. St. John’s was constructed on the Green at Warehouse Point, the work being supervised by builder-architect Samuel Belcher. The church was moved to its current location, at 96 Main Street, in 1844. Ten years later, Henry Austin of New Haven was hired to remodel the church in the Gothic style, work which was completed in 1855. While the exterior retains an early nineteenth-century appearance, it sharply contrasts with Austin’s later English Gothic interior.
The Fourth Ecclesiastical Society of Windsor, or North Society, was established in 1752 and a meetinghouse was soon built near the Scantic River. In the late 1790s, there were intense debates over the issue of enlarging the building. A decision was finally reached to expand the meetinghouse, but it burned down on April 20, 1802. There was then a violent contoversy and accusations of arson, but a new meetinghouse on the same site was soon completed. In 1768, East Windsor had separated from the town of Windsor and in 1845 South Windsor separated fom East Windsor. The Congregational church in the East Windsor Hill section of the new town of South Windsor had been the First Church of East Windsor, but then became the First Church of South Windsor, while the former North Society Church in the Scantic section of East Windsor became the First Church of East Windsor. The church‘s exterior walls were extended in 1842. That same year, interior floor space was also enlarged, when the the empty space between the balconies above the main floor was floored over, creating a new upper floor for religious services. The lower floor was later known as Library Hall, because the town’s public library was located there from 1907 to 1920.
The East Windsor Historical Society is headquartered in the brick East Windsor Academy, also known as the Scantic Academy (pdf), which was built in 1817 by the Academy Company, a group of stockholders. It originally had a cupola containing a school bell. The first floor served as a school until 1938, except for an period between 1871 and 1896, when it was owned by the First Congregational Church and used for various meetings. It was then used as a dwelling for a number of years and was converted into two apartments for teachers in the area in 1946 by L. Ellsworth Stoughton. He later donated, first, the upper floor for a museum in 1968 and then the entire building in his will to the Society.
The Rev. William H. Turkington, who occupied the pulpit of the Methodist Church at Windsorville [now Windsorville United Methodist Church] in 1882, has kindly furnished the following brief record of its history : —
“The following sketch concerning the church in this place is taken from the minutes of the Methodist Episcopal Conference. The church was built in 1829 [at Thrall and Clark roads, moved to Windsorville Road in 1858]; the name of East Windsor first appears in 1829 ; the name of Ketch Mills in 1839; the name of Windsorville, in 1850. In 1876 the church was destroyed by fire. In 1878 [1877, according to the Souvenir History of the New England Southern Conference (1897)] the present church edifice was dedicated.”
A complete list of the men who in rotation have filled the pulpit of this church since its foundation in 1829 includes more than forty names. The present pastor  is the Rev. H. M. Cole.
Possibly built by Chauncey Barber, the c.1835 C. Barber House, on Barber Hill Road in East Windsor, is a Greek Revival structure with a side-gable wing. The property has several nineteenth century outbuildings which may have been used for blacksmithing.
The house of Colonel Israel Allen, a farmer, was built around 1785, on Ellsworth Road in East Windsor. The classical front portico was probably added in the nineteenth century and the side porch around 1900.