Conn. Gen. Stat. § 52-503i: Service. Notice by posting.

(a) The provisions of sections 52-503f to 52-503r, inclusive, do not limit or affect the method by which service of a complaint in a partition action may be made.

(b) If the plaintiff in a partition action seeks an order of notice by publication and the court determines that the property may be heirs' property, the plaintiff, not later than ten days after the date of the court's determination, shall post and maintain while the action is pending a conspicuous sign on the property that is the subject of the action. The sign shall state that the action has commenced and identify the name and address of the court and the common designation by which the property is known. The court may require the plaintiff to publish on the sign the name of the plaintiff and the known defendants.