18.36.020: PERMITTED USES:
No building, structure or land shall be used, and no building or structure shall be hereafter erected, structurally altered or enlarged, except for the following purposes:
Uses permitted in the R-A District, subject to the property development standards of the R-A District.
Single-family residential uses, not more than one dwelling unit per lot. (Ord. 1000 § 15.10, 1955)