The 1,640-square-foot house was built in 1974.
Dr. O'Toole was a retired geriatrics specialist at Norwich State Hospital.
He received his medical degree at Dublin University Medical School Trinity College. He completed his internship at Dublin Hospital and his residency at County Hospital.
He passed away in Aug. 2011.
According to BlockShopper.com, there have been 266 home sales in Groton during the past 12 months, with a median sales price of $195,000.
Address: 5 Peck Street
Buyer(s): Mary E Boland
Seller(s): Peadar Otoole (Estate)
Sale date: May. 3, 2012