§ 30.58.060. Design Review.
Within the HP Overlay Zone, no building, improvement, structure or portion thereof, shall be erected, constructed, demolished, relocated, converted, altered or enlarged, nor shall any lot or premises be excavated or graded unless approved by the Design Review Board in accordance with this Code and the following:
A.
That all development demolitions, relocations, conversions, or other alterations occurring on designated historic landmark properties shall be in keeping with the architectural style and scale characterizing the period of history in which the structure was built, and shall be in keeping with the landscaping and architectural features which caused the property to be so designated as a historic landmark.
B.
Restoration efforts utilizing forms, materials, textures, colors, and landscape features common to the period of history when the designated landmark was constructed shall be encouraged. Where necessary, alternative building regulations shall be applied pursuant to Part 2 of Title 24 of the California Administrative Code, entitled "The Historical Building Code."
C.
Demolition and/or significant diminution of designated historic landmarks shall be permitted only if there are no viable alternatives for saving the landmark, and such alternatives have been fully addressed in an Environmental Impact Report filed pursuant to the California Environmental Quality Act.