Me. Rev. Stat. tit. 17, § 2856

In addition to other proceedings authorized by this subchapter, a municipality has the right to secure buildings that pose a serious threat to the public health and safety and to recover its expenses in so doing as provided in section 2853. If a building is secured under this section, notice in accordance with section 2857 must be given. This notice need not be given before securing the building if the threat to the public health and safety requires prompt action.