City of Fenton, MO
St. Louis County
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Table of Contents
Table of Contents
Editor's Note — Ordinance no. 3001 §1, adopted December 23, 2008, repealed title IV in its entirety. See editor's note at beginning of title IV. Subsequently, ord. no. 3268 §1, adopted June 28, 2012, repealed ch. 460 and enacted new provisions set out herein. Former ch. 460 derived from ord. no. 3001 §1, 12-23-2008.

Section 460.010 General Requirements For Accessory Buildings, Structures and Uses.

[Ord. No. 3268 §1, 6-28-2012]
A. 
A permit is required for any accessory building, structure or use.
B. 
All accessory buildings, structures or uses shall conform to the requirements of this Code as necessary to ensure the public's safety and general welfare.
C. 
All accessory buildings, structures or uses shall be adequately attached to the ground and shall be erected in a secure and wind-resistant manner.
D. 
Accessory buildings, structures or uses, which are to be used for storage purposes only, may be erected upon a lot prior to the construction of the main building, but no accessory building, structure or use shall be used for dwelling purposes.
E. 
A permitted accessory use is any building, structure or use, which complies with the definitions in Section 400.030 including, but not limited to, the following:
1. 
Detached private garages or carports.
2. 
Decks.
3. 
Child's play structure.
4. 
Greenhouse.
5. 
Swimming pool (in-ground and above ground), including hot tubs and elevated pool decks.
6. 
Tennis court.
7. 
A structure for storage incidental to a permitted use.
8. 
Private stable or building used for farm equipment.
F. 
Detached private garages shall be not more than one (1) story and not more than seventeen (17) feet in height measured from the grade to the peak of the roof. Exterior walls shall be limited to a height of not more than ten (10) feet. The exterior wall height shall be determined by measuring from the grade level to the bottom of a flat roof or to the bottom of the rafters of a pitched roof.
G. 
Storage structures shall be not more than twelve (12) feet in height measured from the grade to the peak of the roof. Exterior walls shall be limited to a height of not more than eight (8) feet. The exterior wall height shall be determined by measuring from the grade level to the bottom of a flat roof or to the bottom of the rafters of a pitched roof.
H. 
No accessory building, structure or use, except detached garages, decks, tennis courts and swimming pools, shall be larger than ten percent (10%) of the rear yard of the lot. In no event shall the total square footage of accessory buildings, structures or uses exceed thirty percent (30%) of the total rear yard area.
I. 
No accessory building, structure or use shall be constructed in front of the rear line of the main structure, except decks, which shall not extend past the front building line of the property or exceed thirty percent (30%) of the total front yard area.
J. 
All accessory buildings, structures and uses shall be set back at least five (5) feet from the rear lot line, excluding detached garages, which shall maintain the same required rear setback as the applicable zoning district.
K. 
Accessory buildings, structures and uses shall maintain the same side setback as is required for the principal structure located on the zoning lot.
L. 
No more than one (1) storage structure shall be permitted in the "R-2", "R-3" and "R-4" residential zoning districts.
M. 
Exceptions.
1. 
Fencing — see Chapter 462: Fencing for fencing regulations.
2. 
Retaining walls may be located in the required setbacks.
3. 
Off-street parking areas may be located in the required setbacks, except where otherwise provided for in this Title.

Section 460.020 Additional Requirements For Commercial and Multiple-Family Accessory Structures, Buildings and Uses.

[Ord. No. 3268 §1, 6-28-2012]
A. 
Any accessory building, structure or use larger than one hundred (100) square feet shall comply with all requirements of exterior building materials and shall be consistent with the principal building.
B. 
The height of accessory buildings, structures or uses shall not exceed the height of the principal building.
C. 
No accessory building, structure or use shall be constructed on the side yard or front yard of commercial property.