[CC 1991 §400.100; Ord. No. 119 Art. IV §1, 4-30-1951]
The regulations set forth in this Article or set forth elsewhere in this Chapter, when referred to in this Article, are the district regulations in the "A" Single-Family Dwelling District.
[CC 1991 §400.110; Ord. No. 119 Art. IV §2, 4-30-1951]
A. 
Except as otherwise provided, business and industry are specifically prohibited and a building or premises shall be used only for the following purposes:
1. 
Single-family dwellings.
2. 
Parks, playgrounds and community buildings owned or operated by public agencies.
3. 
Public libraries.
4. 
Public schools, elementary and high, and educational institutions having a curriculum similar to that ordinarily given in public schools.
5. 
Golf courses, except miniature courses and driving tees operated for commercial purposes.
6. 
Nurseries and truck gardening but not the raising of poultry, pets or livestock for strictly commercial purposes or on a scale that would be objectionable because of noise or odor to surrounding residences. No poultry or livestock shall be housed or confined within one hundred fifty (150) feet of any single-family dwelling that is located upon an adjoining or nearby lot.
7. 
Churches, but only when off-street parking space is provided upon the lot or within one hundred (100) feet thereof, which space is adequate to accommodate one (1) car for every six (6) persons for which seating is provided in the main auditorium of the church, exclusive of the seating capacity of Sunday school and other special rooms.
8. 
Home occupations.
9. 
Accessory buildings, including a private garage or private stable, and uses customarily incident to the above uses not involving the conduct of a business. Any accessory building that is not part of the main building shall be located not less than sixty (60) feet from the front lot line. Accessory building shall not be permitted to project beyond the building line established by an existing main structure on said parcel of land.
10. 
Temporary buildings for uses incidental to construction work, which buildings shall be removed upon the completion or abandonment of construction work.
11. 
Church or public building bulletin boards and temporary signs appertaining to the lease, hire or sale of a building or premises not exceeding ten (10) square feet in area.
12. 
Group homes. No new group home shall be located within one thousand two hundred fifty (1,250) feet of another group home. The exterior appearance of the home and property shall be in reasonable conformance with the general neighborhood standards. Group homes shall be eleemosynary or not-for-profit in nature.
[CC 1991 §400.120; Ord. No. 119 Art. IV §3, 4-30-1951]
No building shall exceed two and one-half (2½) stories or thirty-five (35) feet in height except as provided in Article XII.
[CC 1991 §400.130; Ord. No. 119 Art. IV §4, 4-30-1951]
A. 
Front Yard.
1. 
There shall be a front yard having a depth of not less than thirty (30) feet, unless forty percent (40%) or more of the frontage on the same side of the street between two (2) intersecting streets is improved with buildings that have observed a front yard line having a variation in depth of not more than six (6) feet, in which case no building shall project beyond the average front yard so established. However, this regulation shall not be interpreted to require a front yard of more than sixty (60) feet unless the lot has frontage on a major highway, in which case front yards shall conform to the minimum standards for future highway widenings according to the setback line regulations herein provided in Article XI. Front yards shall be determined by the setback line, with measurement from the centerline of the major highway right-of-way where setback lines are herein established, and otherwise from an actual or potential right-of-way line of a street or highway within a fifty (50) foot width.
2. 
Where lots have a double frontage, the required front yard shall be provided on both streets.
3. 
Where a lot is located at the intersection of two (2) or more streets, there shall be a front yard on each street side of a corner lot, except that the buildable width of such lot shall not be reduced to less than twenty-five (25) feet. No accessory building shall project beyond the front yard line on either street.
B. 
Side Yard.
1. 
Except as hereinafter provided in the following paragraph and in Article XII, there shall be a side yard on each side of a building which shall have a width of not less than six (6) feet.
2. 
Whenever a lot of record existing on April 30, 1951, has a width of fifty (50) feet or less, the side yard on each side of a building may be reduced to a width of not less than ten percent (10%) of the width of the lot, but in no instance shall it be less than three (3) feet.
C. 
Rear Yard. Except as hereinafter provided in Article XII hereof, there shall be a rear yard having a depth of not less than thirty (30) feet or twenty percent (20%) of the depth of the lot, whichever amount is larger, but it need not exceed forty-five (45) feet.
D. 
Intensity Of Use. Every lot shall have an area of not less than five thousand (5,000) square feet, except that if a lot has less area than herein required and the plat thereof has been duly recorded prior to April 30, 1951, in the Recorder's office of St. Louis County, Missouri, such lot may be used for a single-family dwelling.