(1) The alteration or vacation is consistent with the criteria of approval established under Chapter 29.10 CCC and Chapter 26.10 CCC.

(2) The alteration does not result in a parcel not meeting all dimension and area requirements of all applicable land use and environmental health regulations, including, but not limited to, those found in the Zoning Code, Shoreline Master Program, Floodplain Management Code, and the Critical Areas Code.

(3) The alteration or vacation does not increase the nonconformity of any lot or structure which does not currently meet the requirements of any applicable land use or environmental health regulations, including, but not limited to, setbacks to structures from property lines, land use, and minimum lot area.