Riverton City Zoning Code
CHAPTER 17
16 GENERAL REQUIREMENTS
§ 17.16.010 Residential-Restrictions.
Except as may otherwise be provided by law:
A.
No building shall be erected, and no existing building shall be moved, structurally altered, added to or enlarged, nor shall any building, premises or land be used for any purpose or in any manner other than that permitted in the district in which such building, premises or land is located.
B.
No building shall be erected, reconstructed or structurally altered to exceed in height or maximum coverage of lot the limits designated in this title for the district in which such building is located.
C.
No building shall be erected, nor shall any existing building be structurally altered, enlarged or rebuilt, nor shall any open space surrounding any existing building be encroached upon or reduced in any manner, except in conformity with the building site area and width, building location, yard and floor area requirements designated in this title for the district in which such building or open space is located.
D.
No yard or other open space provided about any building for the purpose of complying with provisions of this title shall be considered as providing a yard or other open space for any other building, and no yard or other open space of one lot shall be considered as providing a yard or open space for a building on any other lot.
E.
If a nonconforming building is moved, altered, added to or enlarged, all improvements shall be in conformity with the setback requirements and required yards for the zoning district in which the property is located.
F.
All measuring devices of municipal and all other public utilities placed in the front yard of any lot shall be located within 24 inches of a building unless placed underground. All measuring devices of municipal and all other public utilities placed in the rear yard of any lot shall be at a location mutually agreeable to the utility company and the lot owner. For the purposes of this subsection, "measuring device" means an apparatus specifically designed and installed to measure the quantity of electricity, water, gas or any other service provided to the residence of a customer.
(Prior code Appx. B § 1; Ord. 07-011 § 1, 2007)
§ 17.16.020 Integrated noise contours.
A.
The integrated noise contours as shown on a map entitled, Integrated Noise Contour Map of the Central Wyoming Regional Airport Master Plan, Year 2000, which map and all notations, references, data and other information shown thereon are by reference made a part of this chapter.
B.
All undeveloped areas in zoning districts which permit residential uses located between the 55 LDN and 65 LDN contours as shown on the integrated map shall be subject to the following requirements:
1.
Requiring a reservation in the deed for the right to flight and the right to make noise; and
2.
Requiring a notice to the public in plat record of a public right to overfly the property, including the rights incident to flight such as sound, vibration and fume production.
C.
For the purposes of this section, "LDN" means the yearly day-night average sound level.
(Prior code Appx. B § 8; Ord. 07-011 § 1, 2007; Ord. 20-011 § 3, 2021)
§ 17.16.030 Height limitation exceptions.
The height limitations of this title shall not apply to church spires, belfries, cupolas, nor to chimneys, ventilators, skylights, water tanks, parapet walls, cornices without windows, antennas or necessary mechanical appurtenances usually carried above the roof level.
(Prior code Appx. B § 9; Ord. 07-011 § 1, 2007)
§ 17.16.040 Basement restrictions.
No person shall build within the city any basement, placing thereon a roof or any covering to serve as a roof and use such basement for either dwelling or business purposes, whether temporary or permanent.
(Prior code Appx. B § 10; Ord. 07-011 § 1, 2007)
§ 17.16.050 Fences, hedges, trees and walls.
The requirements entitled "city of Riverton fencing requirements", in this section herein and hereafter shall be reviewed by the city council and may be adjusted at such time by resolution of the city council following public notice and hearing on such change. Effective changes will be published on the city website.
(Ord. 18-009 § 1, 2018)
§ 17.16.060 Abatement of violations.
A.
The city council may take steps to abate any violation of Section 17.16.050 after the building official shall first have given the owner of the premises abutting that portion of the street upon which the violation exists, at least 30 days' written notice by certified mail.
B.
The notice must state the nature of the violation and notify the owner:
1.
Of the city's intention to commence abatement of such violation after the expiration of the time set forth in the notice;
2.
Of the city's intention to charge 125% of the reasonable costs of such abatement to be paid within 90 days of completion of abatement, or thereafter 225% of the reasonable cost of such abatement as a lien against the premises which are the subject of the violation, and to foreclose and collect the lien as authorized by the city council; and
3.
That he or she may, within the 30 day period set forth in subsection A of this section, request a hearing before the board of adjustment pursuant to the Administrative Procedures Act of the state.
C.
The notice shall be deemed given upon depositing same in the United States mail, postage prepaid and addressed to the owner of the premises which are the subject of the violation.
(Prior code Appx. B § 12; Ord. 07-011 § 1, 2007)
§ 17.16.070 Setback requirements.
A.
Except as otherwise provided in Section 17.16.080, in any residential R-1, residential R-2, residential R-4, or residential R-2A district, every building or structure erected or constructed on a lot must comply with the requirements set forth in this section, as follows:
1.
A building situated on an interior lot must have a:
a.
Front yard—Not less than 20 feet in depth;
b.
Side yard—Not less than five feet in depth;
c.
Rear yard—Not less than five feet in depth.
2.
A building situated on a corner lot must have a:
a.
Front yard—Not less than 20 feet in depth;
b.
Side yard, street side—Not less than 15 feet in depth;
c.
Side yard, non-street side—Not less than five feet in depth;
d.
Rear yard—Not less than five feet in depth.
3.
A building situated on a through (double frontage) lot must have:
a.
Front/rear yard—Not less than 20 feet in depth facing each street;
b.
Side yard—Not less than five feet in depth.
B.
No building or structure may be located on an existing easement or right-of-way.
(Prior code Appx. B § 5; Ord. 1109 § 3, 1997; Ord. 07-011 § 1, 2007; Ord. 13-004 § 1, 2013; Ord. 16-004 § 1, 2016; Ord. 17-007 § 1, 2017)
§ 17.16.080 Setback requirements-Exceptions.
A.
A five-foot side yard non-street side setback is not required on common property lines between lots providing the following criteria are met:
1.
Properties are on the same deed and have the same ownership.
2.
There are no easements located on the common property line(s) between the lots.
B.
A one-foot side yard and one-foot rear yard setback is allowed for one-story detached accessory structures used as tool and storage sheds, playhouses and similar uses, providing the following criteria are met:
1.
The structure is exempt from permits.
2.
The floor area does not exceed 200 square feet.
3.
The accessory structure is portable or a "skid" type structure.
4.
The one-foot setback dimension is measured from the property line to the closest projection of the structure.
(Prior code Appx. B § 14; Ord. 07-011 § 1, 2007; Ord. 13-004 § 1, 2013; Ord. 15-007 § 1, 2015)
§ 17.16.090 Setback requirements-Architectural feature restrictions.
Intentionally blank.
(Prior code Appx. B § 15; Ord. 07-011 § 1, 2007)
§ 17.16.100 Permitted use and area requirements.
A.
The following zoning designations are listed in the order of most restrictive to less restrictive:
1.
Residential R-1;
2.
Residential R-2;
3.
Residential R-2A;
4.
Residential R-4;
5.
Commercial C-O;
6.
Commercial C-P;
7.
Commercial C-1;
8.
Commercial C-H;
9.
Industrial I-1;
10.
Industrial I-2.
a.
Use regulations for a more restrictive designation can be utilized in any lesser restrictive designation unless it is specifically prohibited.
B.
The following zoning designations are unique and zoning parameters outlined in their respective chapters shall be followed:
1.
Agriculture AG;
2.
Airport AP;
3.
Mobile home park MHP;
4.
Residential planned unit development PUD.
C.
In determining the minimum floor area required in Sections 17.28.030, 17.32.030, 17.36.010 and 17.40.030 and Chapter 17.52, all measurements shall be made along the exterior walls of the living area, not including garage or carport area.
(Prior code Appx. B § 16; Ord. 07-011 § 1, 2007; Ord. 16-004 § 1, 2016; Ord. 17-007 § 1, 2017)