historical property contract, under administrative code, chapter 71, between brian jackson and thomas ranese, owners of 3769 20th street, and the city and county of san francisco; and authorizing the planning director and assessor to execute the mills act historical property contract. ~. item number 6, resolution approving a mills act historical property contract, under administrative code, chapter 71, between adam spiegel and guillemette broulliat-spiegel, the owners of 50 carmelita street, and the city and county of san francisco; and authorizing the planning director and assessor to execute the mills act historical property contract. ~ item number 7, resolution approving a mills act historical property contract, under administrative code, chapter 71, between amy hockman and brian bone, the owners of 66 carmelita street, and the city and county of san francisco; and authorizing the planning director and assessor to execute the mills act historical property contract. ~ item number 8, resolution approving a mills act historical property contract, under administrative code, chapter 71, betwee