Mailstop 3233 September 11, 2018 Via E-mail Mark L. Kleifges Chief Financial Officer Government Properties Income Trust Two Newton Place 255 Washington Street, Suite 300 Newton, Massachusetts 02458-1634 Re: Government Properties Income Trust Form 10-K for Fiscal Year Ended December 31, 2017 Filed February 27, 2018 File No. 001-34364 Dear Mr. Kleifges: We have completed our review of your filings. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, /s. Robert F. Telewicz, Jr. Robert F. Telewicz, Jr. Accounting Branch Chief Office of Real Estate and Commodities