73 Pa.C.S. § 4707: Entry of premises.

(a) General rule.--Upon order of the board of health or upon order of a health officer if there is no board of health, the following individuals may enter a premises in the township where an infectious or contagious disease or a nuisance detrimental to the public health is suspected and examine and abate the disease or nuisance:

(1) A member of the board of health.

(2) A health officer.

(3) An employee of a board of health or a health officer.

(4) An agent of a board of health or a health officer.

(b) Search warrant.--If entry to the premises under subsection (a) is prevented, the board of health or health officer may obtain an administrative search warrant from a magisterial district judge with jurisdiction over the premises upon a showing of any of the following:

(1) Reasonable standards and an administrative plan for conducting inspections.

(2) The condition of the premises or general area and the passage of time since the last inspection.

(3) Probable cause of a violation of a law specified in section 4706(b) (relating to powers and duties of board of health).