General Info

Since 1897, John J. Brennan Construction has been a steadfast presence in Connecticut, with its roots tracing back to the entrepreneurial spirit of Thomas Brennan's son in Shelton, CT. Our longstanding business has been a cornerstone of the local community for four generations. Eric and Matthew Brennan now set a bright course for the future, following in the footsteps of their great-grandfather. Our family’s unwavering commitment to excellence, along with our faithful team of hardworking professionals and outstanding customer service continue to uphold the company's legacy and reputation.