St. Charles County, MO
 
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Table of Contents
Table of Contents
[Ord. No. 99-99 §1, 7-12-1999; Ord. No. 02-122 §1, 7-30-2002; Ord. No. 06-002 §1, 1-10-2006; Ord. No. 07-040 §1, 3-13-2007; Ord. No. 10-041 §2, 6-2-2010; Ord. No. 11-008 §3, 3-7-2011; Ord. No. 12-090 §2, 11-27-2012]
A. 
For the purpose of regulating and restricting the use of land and the erection, construction, alteration, moving, or use of buildings or structures, all land which rests within St. Charles County and not within the corporate limits of cities, towns, or villages is hereby divided into twenty (20) zoning districts and five (5) overlay zoning districts as follows:
1. 
Zoning Districts.
a. 
"A" Agricultural District - 5 acres
b. 
"AT" Agricultural Tourism District - 40 acres
c. 
"RR" Single-Family Residential District - 3 acres
d. 
"R1A" Single-Family Residential District - 1 acre
e. 
"R1B" Single-Family Residential District - 20,000 square feet
f. 
"R1C" Single-Family Residential District - 15,000 square feet
g. 
"R1D" Single-Family Residential District - 10,000 square feet
h. 
"R1E" Single-Family Residential District - 7,000 square feet
i. 
"R2" Two-Family Residential District
j. 
"R3A" Medium Density Residential District
k. 
"R3B" Multi-Family Residential District
l. 
"RM" Manufactured Home/Mobile Home Residential District
m. 
"PR" Park Recreational District
n. 
"RF" Riverfront District
o. 
"CO" Office District
p. 
"C1" Neighborhood Commercial District
q. 
"C2" General Commercial District
r. 
"HTCD" High Technology Corridor District
s. 
"I1" Light Industrial District
t. 
"I2" Heavy Industrial District
u. 
"SWD" Solid Waste Disposal District
2. 
Overlay Districts.
a. 
"PUD" Planned Unit Development Overlay District
b. 
"FF" Floodway Fringe Overlay District
c. 
"FW" Floodway Overlay District
d. 
"DF" Density Floodway Overlay District.
e. 
"WH" Wellhead Protection Overlay District.
[Ord. No. 99-99 §1, 7-12-1999]
Any use not listed herein shall be placed in a suitable district. Classification shall be made by the Director of the Division of Planning and Zoning, and consultation will be sought from the County Counselor, if needed.
[1]
Editor's Note—For designation of the division of planning and zoning, see ord. no. 02-204 adopted 12-23-2002 set out in ch. 132 of this code and ord. no. 03-195 adopted 12-31-2003.
[Ord. No. 99-99 §1, 7-12-1999]
A. 
Zoning District Maps. Boundaries of the districts, hereby established as shown on maps prepared for that purpose, are hereby designated as the Zoning District Maps; and said maps and all the notations, references, and information shown thereon are hereby made as much a part of this Chapter as if the same were set forth in full herein. The Division of Planning and Zoning shall keep on file an authentic copy of said maps and all changes, amendments, or additions thereto.
B. 
Distances Not Shown On Zoning District Map. When definite distances in feet are not shown on the Zoning District Map, the district boundaries are intended to be along existing streets, platted lot lines, survey or land lines, or extensions of the same; and, if the exact location of such lines is not clear, it shall be determined by the Director of the Division of Planning and Zoning, due consideration being given to location as indicated by the scale of the Zoning District Map.
C. 
Discrepancies Between Zoning District Map And Existing Streets, Railroad Right-of-Ways And/Or Other Physical Features. When streets, railroad right-of-ways, and/or other physical features on the ground differ from those shown on the Zoning District Map, the Director of the Division of Planning and Zoning shall apply the district designations on the map to the streets, railroad right-of-ways, and/or other physical features on the ground in such a manner as to conform to the intent and purpose of this Chapter and Chapter 410.
D. 
Vacation Of Boundary Streets. When a street is vacated, the particular district in which the adjacent property lies shall automatically be extended to the centerline of any such street.
[1]
Editor's Note—For designation of the division of planning and zoning, see ord. no. 02-204 adopted 12-23-2002 set out in ch. 132 of this code and ord. no. 03-195 adopted 12-31-2003.
[Ord. No. 99-99 §1, 7-12-1999; Ord. No. 05-148 §3, 10-25-2005]
The Zoning District Maps adopted or amended, or to be adopted or amended, as parts of this Unified Development Ordinance, shall be in accordance with the Master Plan for St. Charles County adopted by the County Council.
[Ord. No. 99-99 §1, 7-12-1999; Ord. No. 04-158 §2, 9-29-2004; Ord. No. 05-148 §6, 10-25-2005; Ord. No. 10-041 §3, 6-2-2010]
A. 
Except as hereinafter provided:
1. 
No building or structure shall be erected, constructed, reconstructed, moved or altered; nor shall any building, structure or land be used for any purpose other than is permitted within the zoning district in which such building, structure or land is situated.
2. 
No building or structure shall be erected, constructed, reconstructed, moved or altered to violate any requirement or regulation herein established for the zoning district in which such building or structure is located.
3. 
No lot or parcel shall be reduced or diminished below the minimum requirements of the zoning district in which it is located.
4. 
The number of dwelling units shall not exceed the density of dwelling units permitted in the zoning district in which it is located.
5. 
Every building or structure hereafter erected, constructed, reconstructed, moved or altered shall be located on a lot or parcel of land as herein defined. In no case shall there be more than one (1) building on the lot, except as provided herein.
6. 
No building shall be erected, converted from one use to another or structurally altered to the extent specifically provided hereinafter, except in conformity with the off-street parking and loading regulations of this Chapter.
7. 
Group home facilities shall be treated as a form of single-family/single-household dwelling and shall be subject to maximum occupancy restrictions defined in the Building Code. The definition of group homes shall not include halfway houses.
8. 
Group home facilities shall be a permissive use in "R" residential districts when the following conditions are met:
a. 
Standards for group home facilities qualifying as a permissive use. A group home facility shall be approved by the Planning and Zoning Director as a permissive use if he finds all of the following standards are met:
(1) 
The number of residents complies with requirements of this Zoning Ordinance.
(2) 
The parking requirements as set by this Zoning Ordinance have been met.
(3) 
The proposed group home facility is not within six hundred (600) feet of another existing group home which requires administrative approval, or one which has obtained a conditional use permit in lieu of a use with administrative approval. Measurements shall be made in a straight line, without regard to intervening structures or objects, from the property line of the proposed use to the property line of the existing use.
(4) 
In order to ensure that the structure and rooms therein are used as originally designed and intended, the proposed use will not require or include structural alterations except any structural alteration required to directly accommodate the disability of the residents with a disability recognized by the Americans with Disabilities Act.
(5) 
The structure meets the requirements of the County's housing, building and fire codes as set forth in the County Code or the codes adopted by reference therein.
(6) 
Users and/or service providers shall have received any and all required approvals from other governmental bodies which permit use of the premises in conformance with the approval for which they have applied.