Zoning districts have been established to provide appropriate standards for all types of development in the city and a portion of Laramie County. The districts outline minimum standards for development acceptable to the city and county.
The following should be considered when using this title:
A. Density for residential lots or tracts in LR-1, LR-2, MR-1, MR-2, HR-1 and HR-2 zoning districts is computed using the entire area of the lot or tract excluding any area encompassed in adjacent public rights-of-way. For example, in an MR-1 district, seven thousand (7,000) square feet is required per single-family unit. On a twenty-eight thousand (28,000) square foot site, four single-family units are permitted, provided the site is subdivided into individual lots. Units may be clustered on the site as long as the remainder of the site is developed as open space if approved by the applicable governing body.
Except as provided for in Sections 17.12.030(A) and (B), density for residential lots or tracts in AR, A-1 and A-2 zoning districts is computed using the entire area of the lot or tract including the area extending to the center of the adjacent road rights-of-way to the extent the area (extending to the center of the adjacent road rights-of-way) is, at the time of platting, owned by the developer and has not been previously dedicated to the public as part of a prior recorded plat.
So long as state law requires, all subdivisions are subject to review by and shall conform to the State Department of Environmental Quality Rules and Regulations. Should a situation arise whereby State Department of Environmental Quality Rules and Regulations require minimum lot or tract sizes in excess of those stated in this zoning ordinance, the greater lot or tract size shall be required.
B. There are several cross-references indicated in each district. These should be consulted.
C. Uses have been grouped in general categories, wherever possible. The categories are meant to allow discretion in determining permitted uses. Some uses are specifically listed because of anticipated impacts associated with them. These cannot be included in the general categories and they require the approval process as indicated. Applicants and staff will need to work closely together in determining the appropriate category for a specific use.
D. If a specific development standard is not listed in a district, there are other sections of the ordinance which may need to be consulted. Parking requirements, (Chapter 17.124), screening and buffering requirements, (Section 17.136.070(C)), site plan requirements, (Chapter 17.136), and landscaping requirements, (Section 17.136.050), may be appropriate depending on the proposal. In addition, certain uses have specific requirements outlined in general sections of this title. Examples are: home occupations (Section 17.116.030), child care and assisted living facilities (Section 17.116.020), manufactured housing (Chapter 17.132) and stables, arenas and kennels (Section 17.116.090).
E. Some districts are differentiated by a number “1” or “2.” The difference in these districts is the character of development. Generally, “1” designations are used for areas where the future character of development will be based on the established patterns. Designations of “2” are used for areas which may use innovative standards for new development or redevelopment.
F. Each district has been written to create an individual quality of development. Minor difference among the districts are specifically intended to allow differences in site development.
G. There may be other laws and policies of the city and county which may also affect development. Those are, but not limited to, the uniform technical codes, in the city, the Cheyenne City Code, Laramie County fireworks regulations, Cheyenne City nuisance regulations, Laramie County nuisance regulations, and the city and county subdivision regulations. (Ord. 3688 § 3, 2006; Zoning Ordinance, Appx. A § 30.000)

For purposes of this title, the city and portions of Laramie County, Wyoming, are divided into districts and classified as follows:

(Ord. 3688 § 4, 2006; Zoning Ordinance, Appx. A § 30.001)

The boundaries of the zoning districts in Laramie County are established as shown on a map entitled Laramie County zoning map. The Laramie County zoning map is on file and maintained at the Laramie County planning department. The Laramie County zoning map will bear the signature of the chairperson of the board of county commissioners, and will be updated in accordance with such zoning ordinance amendments as may be enacted from time to time by the governing body. The Laramie County zoning map, as amended, together with the FEMA Laramie County areas of special flood hazard mapping, located at the Laramie County planning department, are incorporated into this zoning ordinance. Copies of the map may be on file at the office of the county clerk and development office. Any conflict among the maps shall be resolved in favor of the most recent update on file at the Laramie County planning department. (Zoning Ordinance, Appx. A § 30.010)

The boundaries of the zoning districts in the city are established as shown on a map entitled city of Cheyenne zoning map. The city of Cheyenne zoning map is on file and maintained at the office of the city engineer. The city of Cheyenne zoning map will bear the signature of the city engineer, and will be updated in accordance with such zoning ordinance amendments as may be enacted from time to time by the governing body. The city of Cheyenne zoning map, as amended, together with the most recently adopted edition of the FEMA flood insurance rate map, including the designation of zoning districts are incorporated in this zoning ordinance. Copies of the map are on file at the office of the city clerk and development office. Any conflict among the maps shall be resolved in favor of the most recent update on file at the office of the city engineer. (Zoning Ordinance, Appx. A § 30.020)

Any conflicts between the FEMA flood insurance rate maps and the city or county zoning maps shall be resolved in favor of the FEMA flood insurance rate maps. (Zoning Ordinance, Appx. A § 30.025)

If any property designated P-public district on the city of Cheyenne or Laramie County zoning maps is not owned by a governmental entity, it shall be conclusively presumed that the map is an error, absent any formal condemnation proceeding by a governmental entity. (Zoning Ordinance, Appx. A § 30.026)

The area encompassed by this title is as follows:
A. North: one mile north of the township line between townships 14 and 15.
B. West: one mile east of the range line between ranges 67 and 68 west.
C. South: township line between townships 12 and 13 north.
D. East: three miles east of the range line between ranges 65 and 66 west.
This area is shown on a map on file in the office of the city clerk and the office of planning. (Zoning Ordinance, Appx. A § 30.030)

Land annexed to the city shall retain the same zoning designation as it held in the county (a zoning change may be requested by the person annexing) with the exception that the AR, A-1 and A-2 districts which will be required to rezone. Prior to the development of any non-agricultural use on a property, lot or tract within agricultural district (AG), the property shall be rezoned. (Zoning Ordinance, Appx. A § 31.000)

Where uncertainty exists with respect to any of the boundaries of a zoning district as shown on the zoning map, the following rules shall apply:
A. Where district boundaries are indicated as approximately following the centerlines of streets or highways or railroad right-of-way lines or the lines extended, they shall be construed to be the boundaries.
B. Where district boundaries are indicated as approximately following the corporate limit line of the city, the corporate limit line shall be construed to be the boundaries.
C. Where district boundaries are indicated as approximately following property lines or the lines extended, the property lines or the lines extended shall be construed to be the boundaries.
D. Where district boundaries are indicated as approximately following the centerline of stream beds or riverbeds, the centerlines shall be construed to be the boundaries.
E. Where district boundaries are indicated on unplatted properties, the line shall be interpreted as the ten (10) acre tract line created by the federal government under the Public Lands Survey, unless otherwise noted.
F. Each zoning map page indicates from quarter section to four sections, with most pages showing only one section. When the zoning district designation is not shown on the section line or the edge boundary on any individual map, it shall be construed to be the edge boundary. (Zoning Ordinance, Appx. A § 32.000)