The purpose of the Residential Development Medium Density (RDM) District is to:

1. allow continuation of medium Density residential and resort related housing in the newer residential Areas of Park City; 
   
2. encourage the clustering of residential units to preserve Open Space, minimize Site disturbance and impacts of Development, and minimize the cost of construction and municipal services; 
   
3. allow limited generated businesses and recreational activities that are Compatible with residential neighborhoods; 
   
4. allow Development in accordance with the Sensitive Lands Ordinance; 
   
5. provide opportunities for variation in architectural design and housing types, 
   
6. promote pedestrian connections within Developments and between adjacent Areas; and
   
7. minimize impacts of the automobile on architectural design.

Uses in the RDM District are limited to the following:

1. ALLOWED USES.
   
   1. Single Family Dwelling
      
   2. Duplex Dwelling
      
   3. Triplex Dwelling
      
   4. Secondary Living Quarters
      
   5. Lockout Unit¹  
      
   6. Accessory Apartment²
   7. Nightly Rental³ 
      
   8. Home Occupation
      
   9. Child Care, In Home Babysitting⁴ 
      
   10. Child Care, Family Group⁴
       
   11. Accessory Building and Use
       
   12. Conservation Activity
       
   13. Agriculture
       
   14. Parking Area or Structure with four (4) or fewer spaces
       
   15. Salt Lake City 2002 Winter Olympic Games Olympic Legacy Displays⁵ 
   16. Food Truck Location¹⁴
       
   17. Internal Accessory Dwelling Unit¹⁵
   18. Enclosed Mobile Business Location¹⁷
2. CONDITIONAL USES.
   
   1. Multi Unit Dwelling⁶  
      
   2. Guest House
      
   3. Group Care Facility
      
   4. Child Care Center
      
   5. Public and Quasi Public Institution, Church, and School
      
   6. Essential Municipal Public Utility Use, Facility, Service, and Structure
      
   7. Telecommunication Antenna⁷ 
      
   8. Satellite Dish, greater than thirty nine inches (39") in diameter⁸ 
      
   9. Raising grazing of horses
      
   10. Cemetery
       
   11. Bed and Breakfast Inn
       
   12. Boarding House, Hotel
       
   13. Hotel, Minor⁶
       
   14. Hotel, Major⁶
       
   15. Private Residence Club Project and Conversion¹¹
       
   16. Office, General⁶ 
       
   17. Office, Moderate Intensive^6,9 
       
   18. Office and Clinic, Medical^6,10
       
   19. Financial Institution, without drive up window^6,10
       
   20. Commercial Retail and Service, Minor^6,10
       
   21. Commercial Retail and Service, personal improvement^6,10
       
   22. Commercial, Resort Support^6,10
       
   23. Cafe or Deli^6,10
       
   24. Restaurant, Standard^6,10
       
   25. Restaurant, Outdoor Dining¹¹ 
       
   26. Outdoor Event¹¹
       
   27. Bar^6,10
       
   28. Hospital, Limited Care Facility^6,9
       
   29. Parking Area or Structure with five (5) or fewer spaces
       
   30. Temporary Improvement¹¹
       
   31. Passenger Tramway Station and Ski Base Facility¹² 
       
   32. Ski Tow, Ski Lift, Ski Run, and Ski Bridge¹²
       
   33. Recreation Facility, Public
       
   34. Recreation Facility, Commercial⁶
       
   35. Recreation Facility, Private¹⁶
   36. Entertainment Facility, Indoor^6,9 
       
   37. Commercial Stables, Riding Academy^6,10
       
   38. Fences greater than six feet (6') in height from Final Grade 
       
   39. Salt Lake City 2002 Winter Olympic Games Olympic Legacy Displays¹³
       
3. PROHIBITED USES. Any Use not listed above as an Allowed or Conditional Use is a prohibited Use.
   

¹Nightly Rental of Lockout Units requires a Conditional Use permit.

²Requires an Administrative Permit. See Section 15-4-7, Accessory Apartments.

³Nightly Rentals do not include the Use of Dwellings for Commercial Use.

⁴See Section 15-4-9, Child Care and Child Care Facilities. Family Group Child Care and Child Care Center Uses require an Administrative Conditional Use permit.

⁵Olympic Legacy Displays limited to those specific Structures approved under the SLOC/Park City Municipal Corporation Olympic Services Agreement and/or Olympic Master Festival License and placed on the original Property set forth in the services agreement and/or Master Festival License

⁶Subject to Master Planned Development approval. See Chapter 15-6.

⁷See Section 15-4-14, Telecommunication Facilities.

⁸See Section 15-4-13, Placement of Satellite Receiving Antennas.

⁹General Offices are only permitted with an approved Master Planned Development and may only be approved as the redevelopment of an existing Building or Property. In addition to meeting the necessary criteria in the Chapter 15-6 Master Planned Developments, the Planning Commission must find that: a) the redevelopment of an existing Building or Property to a General Office use will substantially advance the objectives of Economic Element of the General Plan or other more specific neighborhood plans; b) it has minimized/eliminated any potential detrimental impact on the resort and/or resort-residential character of the RDM District and the Frontage Protection Zone through careful planning and conditions of approval; c) it will not result in an intensification of use incompatible with neighboring developments; and d) it will not result in substantial increase in the existing trip generations for services and deliveries.

¹⁰Allowed only as a secondary or support Use to the primary Development or Use and intended as a convenience for residents or occupants of adjacent or adjoining residential Development.

¹¹Requires an administrative Conditional Use permit.

¹²As part of an approved Ski Area Master Plan. See Section 15-4-18, Passenger Tramways and Ski Base Facilities.

¹³Olympic Legacy Displays limited to those specific Structures approved under the SLOC/Park City Municipal Corporation Olympic Services Agreement and/or Olympic Master Festival License and placed in an Area other than the original location set forth in the services agreement and/or Master Festival License.

¹⁴The Planning Director or their designee shall, upon finding a Food Truck Location in compliance with Municipal Code Section 4-5-6, issue the property owner a Food Truck Location administrative approval letter.

¹⁵See Section 15-4-7.1, Internal Accessory Dwelling Units.

¹⁶See Section 15-4-22, Outdoor Pickleball Courts in Residential Areas.

¹⁷See Section 15-4-24, Mobile Businesses.

Except as may otherwise be provided in this Code, no Building Permit shall be issued for a Lot unless such Lot has the Area, width, and depth required, and Frontage on a Street shown as a private or Public Street on the Streets Master Plan, or on a private easement connecting the Lot to a Street shown on the Streets Master Plan. All Development must comply with the following:

1. DENSITY. The maximum Density allowed is five (5) units per acre. Developments reviewed and approved as a Master Planned Development may approach a maximum Density of eight (8) units per acre.
   
   Development must be clustered to preserve common Open Space, and protect Sensitive Lands, view corridors, and prominent Ridge Line Areas.
   
2. LOT SIZE. For non ResidentialUses, the minimum Lot size is 14,000square feet with 1,000 square feet of land required for each 1,000 square feet of floorArea. The maximum Floor Area Ratio is one (1).
   
3. FRONT SETBACK. The minimum Front Setback is twenty feet (20'). New FrontFacing Garages for Single Family andDuplex Dwellings must be at least twenty five feet (25') from the Front Lot Line. Open Parking Spaces may be allowed within the required Front Setbacks, but not within five-feet (5') of the Side Lot Lines. 
   
4. FRONT SETBACK EXCEPTIONS. The Front Setback must be open and free of any Structure except:
   1. Fences, walls, and retaining walls not more than four feet (4') in height, or as permitted in Section 15-4-2. On Corner Lots, Fences more than three feet (3') in height are prohibited within twenty five feet (25') of the intersection at back of curb. 
      
   2. Uncovered steps leading to the Main Building, provided the steps are not more than four feet (4') in height from Final Grade, not including any required hand rails, and do not cause any danger or hazard to traffic by obstructing the view of a Street or intersection. 
      
   3. Decks, porches, and Bay Windows not more than ten feet (10') wide, projecting not more than five feet (5') into the Front Setback.
      
   4. Roof overhangs, eaves, and cornices projecting not more than three feet (3') into the Front Setback.
      
   5. Sidewalks, patios, and pathways.
      
   6. Driveways leading to a garage or Parking Area. No portion of a Front Yard, except for patios, approved driveways, allowed Parking Areas, and sidewalks may be Hard Surfaced or graveled. 
      
   7. Circular driveways meeting all requirements stated in Section 15-3-4 herein. 
      
5. REAR SETBACK. The minimum Rear Setback is ten feet (10'). On Corner Lots that back upon the Side Setback of another Lot, the minimum Rear Setback is ten feet (10'). 
   
6. REAR SETBACK EXCEPTIONS. The Rear Setback must be open and free of any Structure except:
   
   1. Bay Windows not more than ten feet (10') wide projecting not more than two feet (2') into the Rear Setback.
      
   2. Chimneys not more than five feet (5') wide projecting not more than two feet (2') into the Rear Setback. 
      
   3. Window wells and light wells projecting not more than four feet (4') into the Rear Setback.
      
   4. Roof overhangs and eaves projecting not more than three feet (3') into the Rear Setback.
      
   5. Window sills, belt courses, cornices, trim, and other ornamental features projecting not more than six inches (6") into the Rear Setback.
      
   6. Detached Accessory Buildings not more than eighteen (18') feet in height, located a minimum of five feet (5') behind the front facade of the Main Building, and maintaining a minimum Setback of five feet (5'). Such Structure must not cover more than fifty percent (50%) of the Rear Setback. See the following illustration: 
      
   7. Hard-Surfaced Parking Areas subject to the same location requirements as a detached Accessory Building.
      
   8. Screened mechanical equipment, hot tubs, and similar Structures located at least five feet (5’) from the Rear lot Line.
      
   9. Fences, walls, and retaining walls not more than six feet (6’) in height, or as permitted in Section 15-4-2. Retaining walls may have multiple steps; however, each exposed face cannot exceed six feet (6’) in height and the horizontal distance between walls, front face to rear face, must be at least three feet (3’) and planted with approved vegetation.The Community Development Director may approve minor The Planning Director may approve minor deviations to the height and stepping requirements based on Site specific review.¹
      
   10. Patios, decks, pathways, steps, and similar Structures not more than thirty inches (30”) above Final Grade, provided it is located at lease five feet (5’) from the Rear Lot Line.
       
7. SIDE SETBACK.
   1. The minimum Side Setback for any Structure is ten feet (10’).
      
   2. A Side Setback between connected Structures is not required where Structures are designed with a common wall on a Property Line, each Structure is located on an individual Lot, the Lots are burdened with a party wall agreement in a form approved by the City Attorney and Chief Building Official, all applicable Building and Fire Code requirements are met, and the Use is an Allowed or Conditional Use in the Zoning District.
      
      1. Exterior Side Setbacks shall be based on the required minimum Side Setback for each Lot; however the Planning Commission may consider increasing exterior Side Setbacks during Conditional Use Permit review to mitigate potential impacts on adjacent Property. Side Setback exceptions continue to apply.
         
   3. On Corner Lots, the Side Yard that faces a Street or platted Right-of-Way is considered a Front Yard, and the minimum setback is fifteen feet (15’).
      
8. SIDE SETBACK EXCEPTIONS. The Side Setback must be open and free of any Structure except:
   1. Bay Windows not more than ten feet (10’) wide projecting not more than two feet (2’) into the Side Setback.
      
   2. Chimneys not more than five feet (5’) wide projecting not more than two feet (2’) into the Side Setback.
      
   3. Window wells and light wells projecting not more than four feet (4’) into the Side Setback.
      
   4. Roof overhangs and eaves projecting not more than three feet (3’) into the Side Setback.
      
   5. Window sills, belt courses, cornices, trim, and other ornamental features projecting not more than six inches (6”) beyond the window or Structure to which it is attached.
      
   6. Patios, decks, pathways, steps, and similar Structures not more than thirty inches (30”) in height above Final Grade, located at lease a minimum of one foot (1’) from the Side Lot Line.
      
   7. Fences, walls, and retaining walls not more than six feet (6’) in height, or as permitted in Section 15-4-2. A retaining wall may have multiple steps, however, each exposed face cannot exceed six feet (6’) in height and the horizontal distance between the walls, front face to rear face, must be at least three feet (3’) and planted with approved vegetation. The Planning Director may approve minor deviations to the height and stepping requirements based on Site specific review.¹ 
      
   8. Driveways leading to a garage or approved Parking Area, maintaining a three foot (3’) landscaped Setback to the Side Lot Line.
      
   9. Detached Accessory Buildings not more than eighteen feet (18’) in height, located a minimum of five feet (5’) behind the front façade of the Main Building and maintaining a minimum Side Setback of five feet (5’).
      
   10. Screened mechanical equipment, hot tubs, and similar Structures located a minimum of five feet (5’) from the Side Lot Line.
9. OTHER EXCEPTIONS. The Planning Commission may vary Front, Rear and Side Setbacks in Subdivisions and Master Planned Developments. In no case may the Planning Commission reduce Side Setbacks to less than ten feet (10’) between Structures, except as provided for in LMC Section 15-2.14-3(G) herein.
   

¹Fences and walls greater than six feet (6’) in height require an administrative Conditional Use permit.

No Structure may be erected to a height greater than twenty-eight feet (28’) from Existing Grade. This is the Zone Height.

1. MAXIMUM BUILDING VOLUME AND BUILDING HEIGHT EXCEPTIONS. The following height exceptions apply:
   
   1. Gable, hip, Barrel, and similar pitched roofs may extend up to five feet (5’) above the Zone Height, if the roof pitch is 4:12 or greater.
      
   2. Antennas, chimneys, flues, vents, and similar Structures may extend up to five feet (5’) above the highest point of the Building to comply with International Building Code (IBC) requirements.
      
   3. Water towers, mechanical equipment, and associated Screening, when enclosed or Screened, may extend up to five feet (5’) above the height of the Building.
      
   4. Church spires, bell towers, and like architectural features subject to LMC Chapter 15-5 Architectural Guidelines, may extend up to fifty percent (50%) above the Zone Height, but may not contain Habitable Space above the Zone Height. Such exception requires approval by the Planning Director.
      
   5. Elevator Penthouses may extend up to eight feet (8’) above the Zone Height.
      
   6. Ski lift or tramway towers may extend above the Zone Height subject to a visual analysis and administrative approval by the Planning Commission.
      
   7. Salt Lake City 2002 Winter Olympic Games Olympic Legacy Displays, including Olympic way-finding towers, are permitted to a height of sixty-five feet (65’).

Prior to the issuance of a Building Permit for any Conditional or Allowed Use, the Planning Department must review the proposed plans for compliance with Architectural Review, Chapter 15-5.

In addition to meeting the necessary criteria in the LMC Chapter 15-6, Master Planned Developments, the Planning Commission must find that the redevelopment to a General Office Use:

1. will substantially advance the objectives of Economic Element of the General Plan or more specific neighborhood plans.
   
2. has minimized and/or eliminated any potential detrimental impact on the resort and/or resort-residential character of the RDM District and the Frontage Protection Zone through careful planning and conditions of approval.
   
3. will not result in an intensification of Use incompatible with neighboring Developments.
   
4. will not substantially increase in the number of existing trip to and from the Site, including trips generated for service and deliveries.

A Bed and Breakfast Inn is a Conditional Use. No Conditional Use Permit may be issued unless the following criteria are met:

1. If the Use is in a Historic Structure, the Applicant will make every attempt to rehabilitate the Historic portion of the Structure.
   
2. The Structure has at least two (2) rentable rooms. The maximum number of rooms will be determined by the Applicant’s ability to mitigate neighborhood impacts.
   
3. In a Historic Structure, the size and configuration of the rooms are Compatible with the Historic character of the Building and neighborhood.
   
4. The rooms are available for Nightly Rental only.
   
5. An Owner/manager is living on-Site, or in Historic Structures there must be twenty-four (24) hour on-Site management and check-in.
   
6. Food service is for the benefit of overnight guests only.
   
7. No Kitchen is permitted within rental rooms.
   
8. Parking on-Site is required at a rate of one (1) space per rentable room. The Planning Commission may waive the parking requirement for Historic Structures if the Applicant proves that:
   
   1. no on-Site parking is possible without compromising the Historic Structure or Site, including removal of existing Significant Vegetation, and all alternatives for proximate parking have been explored and exhausted; and
      
   2. the Structure is not economically feasible to restore or maintain without the adaptive Use.
      
9. The Use complies with LMC Chapter 15-1-10, Conditional Use Review.

The raising and grazing of horses may be approved as a Conditional Use by the Planning Commission. In making a determination whether raising and grazing of horses is appropriate, the Planning Commission shall consider the following criteria:

1. Any barn must be located a minimum of seventy-five feet (75’) from the nearest neighboring Dwelling Use.
   
2. There shall be a maximum of two (2) horses per acre.
   
3. Terrain and Slope of the Property must be suitable for horses.
   
4. The Applicant must submit an Animal Management Plan outlining the following:
   
   1. waste removal/odors;
      
   2. drainage and runoff;
      
   3. bedding materials;
      
   4. flies; and
      
   5. feed/hay.

Outdoor events and music require an Administrative Conditional Use permit. The Use must also comply with LMC Chapter 15-1-10, Conditional Use Review. The Applicant must submit a Site plan and written description of the event, addressing the following:

1. Notification of adjacent Property Owners.
   
2. No violation of the City Noise Ordinance, Municipal Code Title 6.
   
3. Impacts on adjacent Residential Uses.
   
4. Proposed plans for music, lighting, Structures, electrical, signs, etc.
   
5. Parking demand and impacts on neighboring Properties.
   
6. Duration and hours of operation.
   
7. Impacts on emergency Access and circulation.

The Property Owner must protect Significant Vegetation during any Development activity. Significant Vegetation includes large trees six inches (6”) in diameter or greater measured four and one-half feet (4.5’) above the ground, groves of smaller trees, or clumps of oak and maple covering an Area fifty square feet (50 sq. ft.) or more measured at the drip line.

Development plans must show all Significant Vegetation within twenty feet (20’) of a proposed Development. The Property Owner must demonstrate the health and viability of all large trees through a certified arborist. The Planning Director shall determine the Limits of Disturbance and may require mitigation for loss of Significant Vegetation consistent with Landscape Criteria in Sections 15-3-3 and 15-5-5(N), and Title 14.

Signs are allowed in the RDM District as provided in the Park City Sign Code, Municipal Code Title 12.

• Fences and Walls. Section 15-4.
  
• Accessory Apartments. Section 15-4.
  
• Satellite Receiving Antenna. Section 15-4.
  
• Telecommunication Facility. Section 15-4.
  
• Parking. Chapter 15-3.
  
• Lighting. Sections 15-3-3 and 15-5-5(J).
  
• Historic Preservation. Chapters 15-11 and 15-13.
  
• Park City Sign Code. Municipal Code Title 12.
  
• Architectural Review. Chapter 15-5.
  
• Snow Storage. Section 15-3-3.
  
• Parking Ratio Requirements. Section 15-3-6.