§3684.  Liability of abutting property owners

The total costs of improving sidewalks and curbing, including corners, as herein provided, shall be paid for by the owners of the real estate abutting upon the sidewalks or curbing on the basis of the respective frontage of the property on the sidewalk or curbing to be paved or improved, by ascertaining the entire expense of the improvement and charging it upon each lot or parcel of real estate in the proportion that its frontage or abutment bears to that of all the abutting lots or parcels of real estate to be improved.