Section 15-6-441 - Assessments and contracts; when valid and enforceable(a) If the governing body has made any contract for any local improvement or makes any assessment against property within any local improvement district and has in making the contract or assessment acted in good faith and without fraud, the contract and assessment is valid and enforceable, and the assessment is a lien upon the property involved. (b) No objection to the validity of the contract or assessment may be made on the ground that: (i) The contract for the improvement was not awarded in the manner or at the time required by law; (ii) The assessment was made by an unauthorized officer or person, if it has been confirmed by the governing body; (iii) The contract or assessment is based upon a front foot basis or upon a basis of benefits to the property within the district, unless it appears that the city or town authorities acted fraudulently or oppressively in making the assessment. (c) All assessments made by the city or town authorities in good faith are valid, in full force and effect and collectible in the manner provided by law for the collection of assessments.