Colo. Rev. Stat. § 29-8-115
After the preparation of the proposed assessment list, the governing body shall cause to be prepared for adoption at the hearing provided for in section 29-8-117, a resolution declaring the entire cost of improvement, including the cost of construction as determined from the costs and feasibility report, other incidental costs, legal and fiscal fees and costs, the cost of the publication of notices, and all other costs properly incident to the construction of the improvement and the financing and collecting thereof. Such resolution shall specify what share, if any, of the total cost is payable from sources other than the imposition of assessments, and shall incorporate the proposed assessment list provided for in section 29-8-114.
C.R.S. § 29-8-115