All exterior property and premises shall be maintained in a clean, safe and sanitary condition. The occupant shall keep that part of the exterior property which such occupant occupies or controls in a clean and sanitary condition.
A. 
All premises shall be graded and maintained to prevent the erosion of soil and to prevent the accumulation of stagnant water thereon, or within any structure located thereon.
Exceptions:
1. 
Approved detention areas.
2. 
Rain gardens.
3. 
Bioretention areas.
B. 
1. 
All premises wherein soil disturbance has occurred shall have grass established in the areas where the soil disturbance occurred within thirty (30) days of the date land disturbance activity ceases. The Code Official may allow additional time for the grass to be established if the time of year is not conducive to the growth of grass.
2. 
If construction activity on a building is occurring on the property, grass shall be established in accordance with Section 430.130(B)(5) of the Unified Development Code.
A. 
All sidewalks, walkways, stairs and similar walking surfaces shall be kept in a proper state of repair and maintained free from hazardous conditions.
1. 
Cracks in concrete or asphalt surfaces causing a vertical off-set in excess of one-half (1/2) inch shall be repaired.
2. 
Trees, shrubs, grass or similar growth that encroaches upon sidewalks, walkways, stairs or similar walking surfaces so as to impede the use of the full width of the walking surface shall be trimmed or removed so as to not impede the use of the walking surface.
B. 
Parking spaces, access aisles in parking lots, driveways and driveway approaches shall be kept in a proper state of repair and maintained free from hazardous conditions.
1. 
Vegetation shall not be allowed to grow through the concrete or asphalt surface.
2. 
Concrete, asphalt or similar surfaces that are broken, heaved, collapsed, or missing shall be repaired.
3. 
Spalling and cracking of concrete surfaces that have eroded away the top surface of the concrete leaving a rough, crumbling surface area shall be repaired.
4. 
All pavement areas shall be maintained to prevent the accumulation of water thereon.
5. 
Pavement areas shall not be allowed to degenerate to a point where there is loose gravel, broken up pavement, dirt, or potholes.
6. 
Potholes and surface cracks shall be filled and sealed in a timely fashion using appropriate fill material.
7. 
Parking spaces on commercial and industrial properties shall be clearly marked on the pavement surface, using paint or other marking devices approved by the City. Such pavement markings shall conform to the parking plan that was approved by the City and shall be maintained in a clearly legible condition.
C. 
If any sidewalk, driveway, parking lot or similar surface area by virtue of its state of repair constitutes a danger to the public health and safety, the surface area shall be repaired.
D. 
Hazardous conditions created by inclement weather are not applicable to this section.
A. 
No person shall permit or maintain any growth of weeds, grasses or lawns over eight (8) inches in height for any developed property or twelve (12) inches for undeveloped property, measured from the ground surface.
The following defined areas are exempt from the maximum height requirements:
1. 
Undeveloped property that is at least one hundred fifty (150) feet from any adjacent street or adjacent platted subdivision.
2. 
Property mowed for hay.
3. 
Property cultivated with a farm crop.
4. 
Property zoned "Agricultural."
5. 
Areas designated by the City as greenways.
6. 
Cultivated flowers, gardens or native landscapes in accordance with Section 545.411.
7. 
Erosion control areas — with the written approval of the City FloodPlain Administrator.
8. 
Governmental or educational programs — with the written approval of the City.
9. 
Parks and open space.
10. 
Wooded areas.
11. 
Wetlands.
12. 
Streams or natural drainageways.
Whenever private property abuts a public right-of-way or easement and there exists in such right-of-way or easement a tree, lawn or grassy area between the private property line and the edge of the street pavement, then such tree, lawn or grassy area shall be considered, for purposes of this Section, to be a part of the private lot which abuts the right-of-way or easement and it shall be the duty of those responsible under this Section for the maintenance of the private lot to equally maintain the tree, lawn or grassy area within the abutting right-of-way or easement.
Exceptions: Owners of properties abutting public right-of-way or easement along rural sections of arterial or collector roadways shall not be responsible under this Section for the maintenance of the public right-of-way or easement areas.
A. 
In residential, industrial and commercial zoning categories native landscaping may be utilized in landscaped beds provided that:
1. 
The native planting area does not exceed twenty-five percent (25%) of the total lot area, including structure footprint, for lots one (1) acre or less.
2. 
The native planting area does not exceed forty percent (40%) of the total lot area, including structure footprint, for lots that exceed one (1) acre in size.
3. 
Native planting areas are evenly distributed on the entire lot so that not all the native planting blocks the home from the street frontage. No front yard native planting area may exceed twelve percent (12%) of the total lot area.
4. 
Native planting areas must be a minimum of ten (10) feet from the curb of any public street and may not hinder the sight triangle of any intersection.
5. 
All such native planting areas are defined by a landscaping border material such as a rock/stone border, fence, landscape timbers, mowed grass border or trail/pathway.
6. 
The native planting areas are maintained regularly.
All structures and exterior property shall be kept free from rodent harborage and infestation. Where rodents are found, they shall be promptly exterminated by approved processes which will not be injurious to human health. After extermination, proper precautions shall be taken to eliminate rodent harborage and prevent reinfestation.
Pipes, ducts, conductors, fans or blowers shall not discharge gases, steam, vapor, hot air, grease, smoke, odors or other gaseous or particulate wastes directly upon abutting or adjacent public or private property or that of another tenant.
All accessory structures, including detached garages, sheds, fences and walls, shall be maintained structurally sound and in good repair.
Storage of all materials including junk material, used appliances or furniture must be stored within a fully enclosed building. This requirement does not apply to porch/patio furniture, garden/horticulture equipment and associated supplies, recreational vehicles or accessory structures.
A. 
All signs, together with all their supports, braces, guys and anchors, must be kept in good repair and shall maintain a clean appearance and be in a safe condition.
B. 
Any sign that is internally illuminated shall have all letters, graphics or symbols of the sign properly illuminated as originally designed.
Except as provided for in other regulations, no inoperable vehicle shall be parked, kept or stored on any premises, and no vehicle shall at any time be in a state of major disassembly, disrepair, or in the process of being stripped or dismantled, unless within a fully enclosed building. Painting of vehicles is prohibited unless conducted inside an approved spray booth.
Exception: A vehicle of any type is permitted to undergo major overhaul, including body work, provided that such work is performed inside a structure or similarly enclosed area.
A. 
In the A or RE zoning districts, parking or storage of vehicles, including cars, light-duty trucks, recreational vehicles, boats and trailers is allowed anywhere on the property. In all other residential zoning districts, parking or storage of vehicles, including cars, light-duty trucks, recreational vehicles, boats and trailers is permitted only:
1. 
On a driveway; or
2. 
Inside a completely enclosed structure; or
3. 
Behind the front of the residence in the side yard provided the vehicle is parked on a paved or impervious surface; or
4. 
Behind the rear of the residence in the rear yard. The vehicle does not have to be upon a paved or impervious surface.
B. 
Parking of the following vehicles is prohibited in residential zoning districts:
1. 
Semi-trailer truck, also known as a semi-tractor truck or road tractor.
2. 
Cargo trailer, semi-trailer, or similar vehicle that can be connected to or pulled by a semi-trailer truck.
3. 
Any vehicle rated as a Class 5 or higher under the US Department of Transportation Federal Highway Administration Vehicle Inventory and Use Survey standards.
4. 
Overnight parking of a school bus, charter bus or similar vehicle.
5. 
Any vehicle with a bucket lift, dumping capability, tow truck, low or high-profile cab over engine, or similar vehicle.
C. 
No vehicle may be parked or stored on the grass in the front yard area of a residential lot for more than twenty-four (24) hours unless approval is granted by the City Council, except that this requirement shall not apply to any lot or parcel of private property that is one (1) acre or more in size.
D. 
No vehicle may be parked or stored in the right-of-way located between the curb of a street and the property line.
E. 
No vehicle may be parked or stored on the grass area of a commercial or industrial zoned lot.
F. 
Recreational vehicles may not be occupied within the City limits for living, sleeping, or cooking purposes for more than thirty (30) days per year, except for the following circumstances:
1. 
To monitor and secure a property that has a valid building permit issued; or
2. 
To provide accommodations on a property that has experienced damage due to a storm, fire or similar occurrence.
G. 
Off-street parking areas must be used solely for the parking of operable motor vehicles for patrons, occupants or employees of the use to which the parking area serves.
H. 
No motor vehicle repair work, storage, sales or service of any kind may take place in any off-street parking area.
I. 
No person shall park a vehicle to include, but not be limited to, motor vehicles, motor homes, trucks, trailers, boats and recreational vehicles upon any roadway or private or public parking lot with the exception of private residential driveways, commercial vehicle dealerships or by the owner of the property, if not in conflict with any other provision of the Unified Development Code, for the principal purpose of:
1. 
Displaying such vehicle for sale.
2. 
Greasing or repairing such vehicle except repairs necessitated by an emergency.
J. 
No vehicle, including a car, truck, boat, recreational vehicle, or trailer shall be parked or stored on an undeveloped lot, defined as a lot without a principal building or structure, within a residential zoning district, with the following exception:
1. 
If the undeveloped lot is under common ownership with an adjacent lot that contains a residential principal structure that is occupied by the owner of both properties, then a vehicle may be parked or stored upon the undeveloped lot.
No person shall willfully or wantonly damage, mutilate or deface any exterior surface of any structure or building on any private or public property by placing thereon any marking, carving or graffiti.
It shall be the responsibility of the owner to restore said surface to an approved state of maintenance and repair.
Tree maintenance shall be completed in accordance with Chapter 260: Tree Maintenance and Care of the City Code.
A. 
The following are declared to be nuisances:
1. 
All decayed or unwholesome food offered for sale to the public or offered to the public at no charge.
2. 
Any pond or pool of unwholesome, impure, stagnant or offensive water found upon any lot or piece of ground.
3. 
Carcasses of dead animals not buried or destroyed within twenty-four (24) hours after death.
4. 
Accumulations, wheresoever they may occur, of manure, rubbish, garbage, refuse, noxious or offensive waste, except the normal storage on a farm of manure for agricultural purposes.
5. 
Privy vaults or garbage cans which are not fly-tight, that is, privy vaults or garbage cans which do not prevent the entry of flies, insects and rodents.
6. 
The pollution of any well, cistern, spring, underground water stream, lake, canal or body of water by sewage or industrial wastes or other substances harmful to human beings.
7. 
Dense smoke, noxious fumes, gas and soot or cinders in unreasonable quantities or the presence of any gas, vapor, fume, smoke, dust or any other toxic substances on, in or emitted from the equipment of any premises in quantities sufficient to be toxic, harmful or injurious to the health of any employee or to any premises, occupant or to any other person.
8. 
Any vehicle used for septic tank cleaning which does not meet the requirements of the City Code.
9. 
Any vehicle used for garbage or rubbish disposal which is not equipped with a watertight metal body and provided with a tight metal cover or covers and so constructed as to prevent any of the contents from leaking, spilling, falling or blowing out of such vehicle at any time, except while being loaded, or not completely secured and covered so as to prevent offensive odors from escaping therefrom or exposing any part of the contents at any time.
10. 
Any and all infestations of flies, fleas, roaches, lice, ticks, rats, mice, fly maggots, mosquito larvae and hookworm larvae.
11. 
Unlicensed dumps and licensed dumps not operated or maintained in compliance with the ordinances of the City and RSMo.
12. 
No person shall discharge or cause to be discharged into a natural or man-made stormwater system any waste materials, liquids, vapor, fat, gasoline, benzene, naphtha, oil or petroleum product, mud, straw, lawn clippings, tree limbs or branches, metal or plastic objects, rags, garbage or any other substance which is capable of causing an obstruction to the flow of the storm system or interfere with the proper operation of the system or which will pollute the natural creeks or waterways.
13. 
The dumping or depositing on or the scattering over the premises of any of the following:
a. 
Garbage or rubbish.
b. 
Abandoned, discarded or unused objects or equipment such as automobiles, furniture, stoves, refrigerators, freezers, cans, containers or similar objects.
c. 
Building material and/or construction equipment abandoned or stored on property where construction is not in progress, where a valid building permit does not exist or on property not properly zoned for such storage.
d. 
Brush or tree limbs.
14. 
The standing of vehicles which are laden with any foul or nauseous thing, liquid or substance or any refuse, filth, offal or other trash or rubbish anywhere in the City for a period of time longer than reasonably necessary for loading and unloading.
15. 
Any open, uncovered or unprotected well or cistern on any premises.
16. 
Any water accumulating and remaining, continuing or stagnating upon, in or about any lot, tract or piece of ground, with the exception of natural streams and waterways, or any barrels, buckets, kegs, tubs, cans or vessels of any kind whatsoever caused or permitted to be thrown, to be placed or to remain upon any lot, property or grounds in the City that might, could or would catch, hold, contain or retain water in which mosquitoes or insects, bugs, worms or living creatures might be bred, hatched, raised or allowed to remain or accumulate.
17. 
The dumping, disposal or placement of dirt, stone, rock, concrete, asphalt grindings or similar material unless a valid grading permit exists for the property.
18. 
Any inoperable vehicle as defined in this chapter.
19. 
Worn, dilapidated or disintegrating silt fencing that is no longer properly functioning as a means of erosion control or is no longer necessary.
20. 
Placement or maintenance of any object, platform, structure or obstruction, either temporarily or permanently, such as, but not limited to, a basketball goal, skateboard ramp, trampoline, fence, flagpole, yard ornament or similar item, over any street or sidewalk or in any part of the City's right-of-way except by written approval of the Public Works Director.
21. 
The placement of any silt fencing for any purpose other than the intended purpose of capture and control of soil and sediment erosion.
22. 
Any tree or limb that is diseased, insect infested, leaning, in danger of falling, fallen, dying or dead that could cause harm or endanger public safety or poses a hazard to overhead power lines.
23. 
All other acts, practices, conduct, business, occupation callings, trades, uses of property and all other things detrimental or certain to be detrimental to the health of the inhabitants of the City.
B. 
The Governing Body of the City, hereby finds that the allowance of nuisances as defined herein on private property or adjacent rights-of-way or easements are public nuisances which are unsightly, a menace dangerous to the health of the inhabitants of the City or of the residential or commercial area and the residents of and are offensive to the general public health, safety and welfare of the community. Such nuisances promote conditions which cause disease; pollution; proliferation of rats, vermin, mosquitoes and snakes; the spread of fire; a harmful environment for transients and to the community as a result of transient use; harmful attractions for children; creates short- and long-term impacts on the area including the diminution of property values and the integrity of the neighborhood; and interferes with the orderly development of property in the City.
C. 
Unlawful To Cause, Maintain Within City. It is unlawful for any owner, lessee or occupant or any agent, servant, representative or employee of any such owner, lessee or occupant having control of any occupied lot or land or any part in the City, including any areas between the property lines of said lot or parcel and the centerline of any adjacent street or alley including sidewalks, streets, alleys, easements and rights-of-way, to cause, permit or maintain a nuisance on any such lot or land. Additionally, it is unlawful for any person or their agent, servant, representative or employee to cause or maintain a nuisance on the land or property of another, with or without permission.