[Zoning Order §5.010, 4-2-2008]
This Article describes the specific uses to which land and structures
may be put in the various zoning districts and includes special requirements
under which certain uses or structures are to be allowed. District
regulations such as lot size, building setbacks, residential floor
area and structure height are included.
[Zoning Order §5.020, 4-2-2008]
A. Official Zoning Map Adoption.
1. The boundaries of the various zoning districts are shown on a map
entitled "Zoning Districts Map, Jefferson County, Missouri" adopted
on the date of adoption of this UDO and as amended thereafter from
time to time.
2. The "Zoning Districts Map, Jefferson County, Missouri" is adopted
as the official Zoning Map and is hereby made a part of this Article
and all notations, references and other information shown on it shall
be a part of this Article.
3. The official Zoning Map, as adopted by the County Council and subsequently
amended from time to time by its action, shall be maintained by the
Director.
B. Changes To Official Zoning Map.
1. Changes due to map amendment. No changes of any
nature shall be made to the official Zoning Map, except in conformity
with amendments to the map approved by the County Council.
2. Changes due to right-of-way vacation. Whenever any
street, access easement, alley or public way is vacated by an official
action of the County Council, the zoning district adjoining each side
of the vacated land shall be automatically extended to the center
of the land vacated and all land included in the vacation shall then
be subject to the regulations and restrictions of that particular
district. The County Council may select a more appropriate zoning
district for the property at the time of vacation.
3. Notification upon amendment. Following the approval
of a Zoning Map amendment by the County Council, the County Clerk
shall transmit a copy of the ordinance amending the Zoning Map to
the Director who shall cause the official Zoning Map to be amended
to show the change.
C. Interpretation Of Boundaries.
1. The boundaries of the districts, as shown on the official Zoning
Map, shall be determined on the basis of the legal descriptions associated
with approved zoning petitions or, lacking the legal descriptions,
on the basis of the location of the boundary as depicted on the official
Zoning Map.
2. Where uncertainty exists with respect to the boundaries of districts
as shown on the official Zoning Map, the following rules shall apply:
a. Unless otherwise indicated, the district boundary lines are centerlines
of streets or railroads or the lines extended, property lines or the
lines extended, a line lying in the center of a stream or drainage
way or the jurisdictional boundaries of Jefferson County.
b. Where a district boundary line parallels a street right-of-way or
discernible topographic feature, but no dimension is given, the distance
shall be scaled from the official Zoning Map.
c. Where such uncertainty cannot be resolved by application of the foregoing
rules, the Director shall determine the district boundaries.
[Zoning Order §5.030, 4-2-2008]
In consideration of any application for a zoning amendment,
conditional use permit or consideration of a development plan, the
Planning and Zoning Commission and the County Council shall determine
whether the proposal conforms to the adopted Official Master Plan
and any other recognized plans, studies or policies normally utilized
by the Planning and Zoning Commission and the County Council in making
land use decisions. For any application not in conformance with the
Official Master Plan at the time of submittal, the Official Master
Plan shall be amended to create conformity prior to the zoning amendment,
conditional use permit or development plan being approved by the County.
[Zoning Order §5.040, 4-2-2008]
A. Use Limits. Except as otherwise specifically provided, 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 as permitted in the zoning district in
which it is situated or as permitted in an approved development plan.
B. Height Or Area Limits. Except as otherwise specifically
provided, no building or structure shall be erected, constructed,
reconstructed, moved or altered to exceed the height or area limits
established in the zoning district in which it is situated.
C. Reduction Of Yards/Increase In Densities. Except as otherwise
specifically provided, no lot area shall be reduced or diminished
so that the yards or other open spaces will be smaller than allowed
by that zoning district, nor shall the density be increased in any
manner that exceeds the applicable district standards or an approved
development plan.
[Zoning Order §5.050, 4-2-2008]
A. Statement Of Objectives. The County Council may approve
a development plan to:
1. Permit the use of more flexible land use regulations;
2. Provide latitude in the location of buildings, structures, open spaces,
play areas, parking, roads, drives and variations in setback and yard
requirements;
3. Facilitate use of the most advantageous techniques of land development;
4. Encourage the combination and coordination of architectural styles,
building forms and relationships;
5. Encourage the conservation of existing natural resources and maintain
the character of the County; and
6. Limit specific uses within the underlying zoning district to a particular
development plan when it is deemed more appropriate and/or compatible
to surrounding uses, proposed or future uses or when deemed to be
in the best interest of the community to limit the uses, based on
existing and/or proposed traffic conditions and/or concerns and other
land use concerns.
B. Development Plan Regulations And Requirements.
1. Article
IV, Section
400.1220 contains requirements for the submission of a development plan.
2. A development plan shall establish regulations and restrictions that
are in harmony with the general purpose and intent of this UDO, but
in a manner that allows the regulations to differ in one (1) or more
respects from the zoning regulations that are generally applicable
to the underlying zoning district(s).
C. Allowable Modifications To District Requirements.
1. Modifications in the amount of open space, lot size, buffer zone,
yard, parking, play area, density, floor area ratio and height requirements
shall be determined by the County Council after recommendation by
the Planning and Zoning Commission.
2. The County Council shall use the requirements and standards found
in the underlying district as a guide in approving modifications from
the district requirements and standards. These modifications are granted
in the interest of efficient land development and utilization, if
it is deemed that amenities or conditions will be gained that are
equal or higher in quality.
3. Article
IV, Section
400.1230, Subsection (E) contains submission requirements for requested modifications to any of the above standard district requirements.