§ 152.21 R-1 RESIDENTIAL DISTRICT.
   (A)   Purpose. The purpose of the R-1 Residential District is to provide for moderate density one and two-family dwelling units and directly related, complementary uses.
   (B)   Permitted uses and structures.
      (1)   One and two-family dwelling units.
      (2)   Public, government owned parks, playgrounds, athletic fields and other public recreational uses.
      (3)   Churches and places of religious assembly, public and private schools and government-owned buildings and facilities.
      (4)   Agricultural gardens and forestry.
      (5)   Manufactured homes which must meet the following standards:
         (a)   Manufactured homes shall comply with all zoning regulations for the district in which they are located.
         (b)   A building permit and any other required permits shall be obtained for manufactured homes.
         (c)   All such manufactured homes shall be built in compliance with any state laws regulating manufactured homes.
         (d)   Connection to city utilities, if available, shall be required.
      (6)   As required by Minn. Stat. § 462.357, Subd. 7, a state licensed residential facility or a housing with services establishment registered under Minn. Stat. § 144D, serving six or fewer persons, a licensed day care facility serving 12 or fewer persons, and a group family day care facility licensed under Minn. Rules, parts 9502.0315 to 9502.0445, to serve 14 or fewer children shall be considered a permitted single family residential use of property for the purposes of zoning, except that a residential facility whose primary purpose is to treat juveniles who have violated criminal statutes relating to sex offenses or have been adjudicated delinquent on the basis of conduct in violation of criminal statutes relating to sex offenses shall not be considered a permitted use.
   (C)   Accessory uses and structures.
      (1)   Customary accessory uses and structures that are incidental to the principal use such as the following uses, are permitted:
         (a)   Gardens
         (b)   Detached private garage
         (c)   Attached screen porches
         (d)   Play equipment for single-family use
         (e)   One storage shed
         (f)   Satellite dishes and antennae
         (g)   Solar equipment
         (h)   Greenhouses not exceeding 12 feet in height or 500 square feet or covering more than 30% of the area of the side or rear yard in which they are located.
         (i)   Swimming pools intended for single-family use.
   All accessory buildings or structures related to the accessory use shall comply with § 152.36. Accessory buildings or structures that do not comply with § 152.36 shall apply for a conditional use permit pursuant to § 152.21(D)(5).
      (2)   The renting of rooms by a resident family for lodging purposes only, and for not more than two rooms in a one-family dwelling.
   (D)   Conditional uses. Within the R-1 District no structure or land shall be used for the following except by conditional use permit.
      (1)   Home occupations in a residence, pursuant to the following requirements:
         (a)   Such occupation shall be carried on in the main building;
         (b)   Not more than 25% of the floor space of the residence is used for this purpose;
         (c)   No articles for sale be displayed so as to be visible from the street;
         (d)   The conduct of the home occupation shall result in no change in the outside appearance of the building or land, or other visible evidence of the conduct of the home occupation, other than one sign, not exceeding one square foot in area, non-illuminated and mounted flat against the wall of the dwelling;
         (e)   No traffic shall be generated by such home occupation in greater volume than would normally be expected in a residential neighborhood;
         (f)   Only limited retail sales activity;
         (g)   Maximum of one outside employee;
         (h)   Adequate off-street parking based on number of employees and customers per day;
         (i)   Parking area screened from offsite views;
         (j)   No outside storage;
         (k)   Shall not result in significant levels of noise, air or other pollution;
         (l)   Business hours restricted to no more than 8:00 a.m. to 9:00 p.m.; and
         (m)   Outside parking of no more than one commercial type vehicle or vehicle identified for business purposes not to exceed one ton capacity which is used for both personal and business transportation. The vehicle is to be owned and registered by an occupant of the property and parked in a screened location.
      (2)   Hospitals and nursing homes, pursuant to the following requirements:
         (a)   Direct access limited to a collector or arterial roadway as identified in the comprehensive plan, if any, or otherwise located so that access can be provided without conducting significant traffic on local residential streets;
         (b)   Buildings set back 50 feet from all property lines;
         (c)   No more than 70% of the site to be covered with impervious surface and the remainder to be suitably landscaped;
         (d)   Signs shall be designed to be consistent with the principal use;
         (e)   Adequate off-street parking based on number of employees and customers per day;
         (f)   Parking area and waste management areas screened from offsite views;
         (g)   No outside storage; and
         (h)   Shall not result in significant levels of noise, air or other pollution.
      (3)   Licensed day care centers serving 12 or more persons, pursuant to the following requirements:
         (a)   Located only on a collector or arterial roadway as designated in the comprehensive plan, if one exists, or otherwise located so that access can be provided without conducting significant traffic on local residential streets;
         (b)   Buildings set back 50 feet from all property lines and parking lots set back 15 feet from streets and non-residential property and 25 feet from residential property;
         (c)   Pick-up and drop-off areas located outside of parking setback area;
         (d)   Outdoor recreational areas to be set back 15 feet from all property lines and screening provided to mitigate noise and adverse visual impacts on neighboring properties; and
         (e)   One parking space provided for each six children based upon the licensed capacity of the center.
      (4)   Cemeteries.
      (5)   Accessory buildings that do not qualify as a permitted use under § 152.21(C)(1) are allowed by conditional use permit if they comply with § 152.36 as well as the following requirements:
         (a)   Side and rear setbacks equal to the height of the structure or 15 feet, whichever is greater;
         (b)   Not used for commercial activities;
         (c)   Structure is architecturally consistent with the principal structure;
         (d)   Landscaping is required to buffer views when the structure is highly visible from adjoining properties;
         (e)   Minimum lot size is four acres.
      (6)   Private recreational facilities as a principal use and excluding accessory play equipment and swimming pools intended for single family use, pursuant to the following requirements:
         (a)   Direct access limited to a collector or arterial roadway as identified in the comprehensive plan, if any, or otherwise located so that access can be provided without conducting significant traffic on local residential streets;
         (b)   Buildings set back 50 feet from all property lines;
         (c)   No more than 70% of the site to be covered with impervious surface and the remainder to be suitably landscaped in accordance with § 152.31 of this Code;
         (d)   Signs shall be designed to be consistent with the principal use;
         (e)   Adequate off-street parking based on number of employees and customers per day;
         (f)   Parking area and waste management areas screened from offsite views;
         (g)   No outside storage; and
         (h)   Shall not result in significant levels of noise, air or other pollution.
      (7)   Multiple-family dwelling.
      (8)   As required by Minn. Stat. § 462.357, Subd. 8, a state licensed residential facility serving from seven through 16 persons under Minn. Stat. § 144D.
   (E)   Lot requirements and setbacks. The following minimum requirements shall be observed in an R-1 District, subject to additional requirements, exceptions and modifications set forth in this chapter:
      (1)   Lot area. 15,000 square feet.
      (2)   Lot width. 100 feet.
      (3)   Setbacks.
         (a)   Front yards. Not less than 30 feet;
         (b)   Side yards. 10 feet.
         (c)   Side yards, corner lots. 25 feet on side adjacent to street, but in no case less than the setback of an adjacent lot which has its front yard on the same street.
         (d)   Rear yards. 30 feet.
      (4)   Access. All lots shall front on and have ingress and egress by means of a public right-of-way.
   (F)   Building requirements; height. No principal structure shall exceed two stories or 35 feet, whichever is less. Height limitations shall not apply to water towers, chimneys, flag poles, antennae, church spires, church belfries or church domes not containing habitable space.
   (G)   Parking. See § 152.35.