Thomas D. Hackenson, 85, of Mendon passed away in his home on Jan. 25, 2015 with his family by his side. He was the husband of Dorothy A. (Charge) Hackenson. Mr. Hackenson was a State Building Inspector for the Commonwealth of MA for 35 years before his retirement in 2012. In addition, he had been the building inspector for Mendon for over 40 years. He was a carpenter for the former Carlton Goss Construction Co. He was Town Assessor for the town of Mendon for 59 years and coordinated the construction of the Mendon Senior Center. He renovated the old Highway Building into the present Police Dept. Building, and he was a member of the Mendonham Brothers of the Brush. His hobby was construction and building projects. Thomas was born on March 8, 1929 in Mendon, the son of the late Albert Hackenson and Grace (Taft) Hackenson. He was a lifelong resident of Mendon. In addition to his wife, he is survived by his children Thomas M. Hackenson and his wife Kathryn, Stephen A. Hackenson and his wife Sharon, Mary E. Hackenson and Nancy G. Bogan and her husband Michael all of Mendon; his 7 grandchildren John A. Tycks, Molly Tycks, Matt Hackenson, Nicki Hackenson, Jamie Lee Hackenson, Megan Hackenson, and Katie Hackenson and one great grandchildren Gunner Thomas Hackenson. He was predeceased by his two brothers William Hackenson and Robert Hackenson. Visiting hours will be Sunday Feb. 1, 2015 from 12 Noon to 3 PM in BUMA FUNERAL HOME, 101 North Main St. (Rt. 122), Uxbridge. Funeral services will be held Mon. Feb. 2, 2015 at 8:45 AM from the funeral home followed by a Mass of Christian Burial at 10 AM in St. Gabriel the Archangel Parish, 151 Mendon St., Upton, 01568. Burial will follow in Swan Dale Cemetery, Hartford Ave. East., Mendon. Donations may be made to St. Jude Children's Research Hospital, 262 Danny Thomas Place, Memphis, TN 38105.