Colo. Rev. Stat. § 24-56-116
Where an inverse condemnation proceeding is instituted by the owner of any right, title, or interest in real property because of the alleged taking of his property for any program or project for which federal financial assistance will be available to pay all or any part of the cost of the program or project, the court rendering a judgment for the plaintiff in such proceeding and awarding compensation for the taking of property or the attorney for the acquiring agency effecting a settlement of any such proceeding shall determine and award or allow to such plaintiff, as a part of such judgment or settlement, such sum as will, in the opinion of the court or such attorney, reimburse such plaintiff for his reasonable costs, disbursements, and expenses, including reasonable attorney, appraisal, and engineering fees actually incurred because of such proceeding.
C.R.S. § 24-56-116