C.R.S. § 35-7-114
35-7-114. Charges against landowner - lien rights
35-7-114. Charges against landowner - lien rights. Whenever any county has been required to pay any expense charged against any landowners, under a cooperative agreement or otherwise, on account of such pest control operations conducted upon or for the benefit of his or her lands, such county shall have a lien upon such lands for the amount so paid or for such lesser amount as such landowner shall be adjudged to pay after a hearing before the board of county commissioners.