Mass. Gen. Laws ch. 111 § 125
If the owner or occupant fails to comply with such order, the board may cause the nuisance, source of filth or cause of sickness to be removed, and all expenses incurred thereby shall constitute a debt due the city or town upon the completion of the removal and the rendering of an account therefor to the owner, his authorized agent, or the occupant, and shall be recoverable from such owner or occupant in an action of contract.
The provisions of the second paragraph of section three A of chapter one hundred and thirty-nine, relative to liens for such debt and the collection of the claims for such debt, shall apply to any debt referred to in this section, except that the board of health shall act hereunder in place of the mayor or board of selectmen.
Mass. Gen. Laws ch. 111, § 125