When application is made to purchase any property under the provisions of this chapter, the applicant shall pay to the city treasurer the sum of five dollars ($5.00) for each lot included in said application as an appraisal fee. All money collected under the provisions of this section shall be deposited to the credit of local improvement district working fund. No refund of such appraisal fees shall be made if said appraisal is ordered by the city council. If the city council determines not to order an appraisal, such appraisal fee shall thereupon be refunded, to the applicant.