Any person desiring to pay the assessment on any real estate or subdivision of real estate, subject to the assessment lien, shall be furnished by the city engineer with an account of the expense chargeable against such real estate or subdivision, which may be paid directly to the person doing the work, or to the assessor-collector, for him or her, and such payment shall discharge the real estate or subdivision of real estate from the lien. (Prior code § 21.04.026)