We are transitioning to a new tax software system in the Collections Office. Thank you in advance for your patience while we navigate our new system to process payments. Please contact the Collections Office with any questions at (603) 225-8540 or collection@concordnh.gov. The Collections Office is open Monday through Friday from 8 a.m. to 4:30 p.m., with extended hours until 6 p.m. on Thursdays.