Hamden City Government Finance and Taxation 2750 Dixwell Ave Official website for the Town of Hamden, Connecticut. Located in New Haven County.Information on government, schools, libraries, business, and visiting and living in the town. Hamden CT City Government Finance and Taxation Hamden Town Assessor www.hamden.com Hamden Connecticut government New England Economic business New Haven community Hampden Hamden Connecticut government New England Economic business New Haven community Hampden Business Reviews Hamden Town Assessor Testimonials