The following uses shall be permitted in the R-1½ Two-family Zone unless otherwise provided in this Chapter:

No building hereafter erected or structurally altered shall exceed one story or twenty feet in height.

There shall be a front yard of not less than twenty-five percent of the depth of the lot, provided such front yard need not exceed twenty feet, except where lots comprising forty percent or more of the frontage on one side of the street between intersecting streets are developed with buildings having an average front yard with a variation of not more than six feet, no building hereafter erected or structurally altered shall project beyond the average front yard line so established.

Same as R-1 Zone.

Same as R-1 Zone.

Lot area per family for single-family dwellings shall be the same as in R-1 One-family Zone, and every two-family dwelling hereafter erected or structurally altered shall have a lot area of not less than five thousand square feet per family, and provided that the main building and all accessory buildings shall, together, cover not more than sixty percent of the total area of an inside lot, not more than seventy percent of the total area of a corner lot.

Provided, however, that where a lot has less area than herein required, and was of record as of December 17, 1946, said lot may be occupied by not more than one family.

At the discretion of the Director of Planning and Building Department, or designee, with the concurrence of the Superintendent of Building and Safety, any applicant for a building permit to construct an accessory building on the same lot with a dwelling, or an addition to a dwelling, shall execute an agreement whereby the applicant covenants that the proposed structure will not be rented separately as a dwelling unit from the main structure or structures and that in the event of future resale, exchange, leasing or other transfer of possession of the entire property, no representation will be made by applicant or representatives that said accessory building or addition can be rented as a separate dwelling unit. Said covenant and agreement shall be recorded in the office of the County Recorder of the County of Los Angeles, which recording shall be accomplished at the applicant's expense and which covenant shall run with the land and be binding upon future owners, lessees, heirs or assigns, and other occupants of the premises involved.