[Added 12-14-1987 by Ord. No. 352-87]
The purpose of this Article XXI shall be the purpose as set forth in § 165-139.
[Amended 3-25-1993 by Ord. No. 509-93]
Principal uses shall be limited to the following:
A. 
One-family dwellings as permitted and regulated in the SR Residence District.
[Amended 6-14-2006 and 9-13-2006 by Ord. No. 908-06]
B. 
Multifamily dwellings, including rental housing, of which a minimum of 17.3% shall be limited to occupancy by low- and moderate-income senior citizen households.
The following accessory uses are permitted in the AH-2 District:
A. 
Private garages.
B. 
Buildings for storage of maintenance equipment.
C. 
Off-street parking as hereinafter regulated.
D. 
Signs as regulated in § 165-109, Signs, of this chapter.
E. 
Private recreation buildings and facilities, including swimming pools, intended for use by residents of the development.
[Amended 10-10-1991 by Ord. No. 464-91]
The following zoning standards shall apply to development in the AH-2 District:
A. 
Density. The density of any development shall not exceed 5.2 dwelling units per acre.
[Amended 3-25-1993 by Ord. No. 509-93]
B. 
Minimum lot area: 25 acres.
C. 
Minimum setback from tract boundary lines: 75 feet.
D. 
Maximum building coverage: 15% of the gross tract area for principal buildings, excluding structures with roofs but without walls, such as open porches attached to dwelling units, and excluding permitted accessory buildings, all of which shall combine with principal buildings for a total building coverage not to exceed 20% of the gross tract area.
E. 
Maximum height of building. No building shall exceed 35 feet in height or 2 1/2 stories from the mean elevation of the finished grade of the foundation, except that apartment buildings shall not exceed 40 feet in height and three stories, provided that:
(1) 
A maximum of 60% of the total housing units of the development can be contained in three-story, forty-foot buildings.
(2) 
A three-story building shall include a sloped and variable roofline, within which a section of a three-story roof ridgeline cannot exceed an uninterrupted length of 50 feet.
(3) 
A maximum of 55% of the exterior elevation of any three-story building may exceed 35 feet.
(4) 
A three story building shall have a ground floor elevation that is at least 10 feet below the maximum elevation on the parcel.
(5) 
In the case of a stepped building, height shall be measured from the finished grade of the foundation of each building section occupying a common foundation elevation.
(6) 
A walk-out cellar shall not be considered to be a story for the purpose of determining building height.
F. 
Requirements for one and two-family dwellings. The minimum lot area and bulk requirements for one- and two-family dwellings shall be as provided in the AH-1 District, § 165-143F.
G. 
Multifamily dwellings shall comply with the design standards and requirements contained in § 165-71B(7).
H. 
Accessory building. Accessory buildings shall comply with the requirements of § 165-143H.
I. 
Off-street parking. Off-street parking shall conform to all applicable provisions of Part 6, Subdivision and Site Plan Review.