In October 1871, Wallingford's railroad station was completed for the New York, New Haven and Hartford Railroad. Over the years it evolved as a maker of brass ware, drapery hardware and armaments during World War II, until 1989 when it became a prominent industrial-to-residential conversion called Judd Square Condominiums. Judd Manufacturing Company began an almost hundred year dominance of the town's lower downtown with a sprawling metalware factory complex on South Cherry Street. It was also during this period that many of the small silver and Britannia plants were combined to form the International Silver Company with its headquarters in Meriden and several plants in Wallingford. Wallace & Company the forerunner of Wallace Silversmiths. By mid-century, Robert Wallace acquired the formula for nickel silver and established with Samuel Simpson, R. ĭuring the 19th century, Wallingford industry expanded with a considerable concentration of small pewter and Britannia ware manufacturers. While found innocent, they were compelled to leave Wallingford to settle in Staten Island, New York. Winifred King Benham, known as the 'Witch of Wallingford', and her daughter Winifred were thrice tried for witchcraft. In the 1690s Wallingford was the site of one of the last Witch trials in New England.

In 1775 and again in 1789, George Washington passed through Wallingford. Six acre lots were set out and by the year 1675 forty houses stretched along today's Main Street. On May 12, 1670, Wallingford was incorporated and about 126 people settled in the town. The 'long highway' located on the ridge of the hill above the sandy plain along the Quinnipiac River is the present Main Street in Wallingford. Wallingford was established on October 10, 1667, when the Connecticut General Assembly authorized the 'making of a village on the east river' to thirty-eight planters and freemen. 11 National Register of Historic Places.

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