172.04 RESIDENTIAL FRONT LOT PARKING.
      1.   Front Yard Parking. Parking in front yards shall be subject to the following:
         A.   Parking is prohibited within the setback between the street and the residence except on a single drive constructed in accordance with the requirements of subsection E below.
         B.   In cases where the side or rear setback area is accessible via an alley, no front yard driveway shall be permitted other than leading directly to a garage. If the side or rear setback area is accessible via an alley, the required parking area shall directly access the alley.
         C.   (Repealed by Ord. 1379 - Nov. 10 Supp.)
         D.   On corner lots, driveways shall be located as far as possible from the intersection, but in any event not closer than 50 feet from the back of curb or 25 feet from the property line, whichever is more restrictive.
         E.   Surface.
            (1)   All parking spaces shall be constructed of a dustless, hard surface of concrete, asphalt, or comparable material.
            (2)   Stone, rock, dirt, sand, or grass shall not be permitted as surfacing for parking spaces.
            (3)   All driveway aprons adjacent to a street constructed after November 7, 2008, shall be surfaced with concrete. All existing driveway aprons enlarged or modified after that date shall be surfaced with asphalt or concrete.
         F.   Maximum Grade. No driveway providing access to off-street parking shall have a grade greater than 10 percent within the public right of way.
         G.   Occupancy. All required parking areas must be completed prior to occupancy of any newly constructed structure.
         H.   Calculations of Amounts of Required and Allowed Parking.
            (1)   Required parking spaces are not allowed within the first 20 feet of the front lot line or side street lot line.
            (2)   In all R-1 zones, no parking shall be permitted in the area in front of the principal structure bounded on the left by the a line originating from the left corner of the inhabited portion of the principal structure and proceeding parallel to the principal structure to the front lot line and on the right by a line originating from the right corner of the inhabited portion of the principal structure and proceeding parallel to the principal structure to the front lot line. Provided, however, every lot shall be permitted a parking space accommodating two vehicles not to exceed a total of 400 square feet.
            (3)   These restrictions shall not apply to schools, parks, churches or other nonresidential properties owned by government subdivisions located in R-1 zones.
            (4)   Temporary Parking.
               a.   Contractor and other commercial vehicles may be temporarily parked on a non-paved surface provided that the vehicle is being used in connection with construction, maintenance or similar work at the residence.
               b.   Temporary parking cannot exceed 24 hours.
      2.   Sidewalks. No vehicle shall be parked so as to encroach on or block a sidewalk.
      3.   Non-residential Parking. Off-street parking for non-residential uses shall be located on the same lot or site as the use, or within 300 feet of that use if the parking site is within a zoning district that permits the off-street parking use type. Control of ownership or use rights to the remote off-street parking must be demonstrated as a condition of permission.