City of St. Marys, Pennsylvania



Zoning Districts

  Select a zone to see the Permitted Uses, Conditional Uses, Special Exceptions, and Lot Yard and Height Requirements.

Unofficial Zoning Maps - For Reference Only

 

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 INDUSTRIAL
LIMITED INDUSTRIAL
HIGHWAY COMMERCIAL
CENTRAL BUSINESS
MEDICAL INSTITUTIONAL
RESIDENTIAL FLEXIBLE
RESIDENTIAL SUBURBAN
RESIDENTIAL URBAN
RURAL CONSERVATION

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R - U  (Urban Residential District)

Permitted Uses
  • Single Family Dwellings
  • Duplexes
  • Forestry
  • Municipal Services, Parks, Playgrounds
  • Churches and Cemeteries
  • Public Utility Structures
  • No-Impact Home-Based Business
  • Accessory Uses
  • Qualified Oil and Gas Operations
 Special Exceptions
  • Accessory Structures (greater than 900 sq. ft.)
  • Accessory Dwelling Units
  • Boarding Houses
  • Bed and Breakfasts
  • Family Day Care Facilities
  • Home Occupations
  • Office and Retail Conversions
  • Two Family Conversions

 
Uses Min. Lot
Areas
(Sq. Ft.)
or Acres		 Min. Lot
Width
(Feet)		 Max Lot Coverage Max Height-Principal Structure Max Height-Accessory Structure Min. Front Yard Setback Min. One Side Yard Setback Min. Both Side Yard Setbacks Min. Rear Yard Setback
Forestry 10 acres 200 ft. 5% 35 ft. 15 ft. 50 ft. 50 ft. 100 ft. 50 ft.
Single-Family Dwellings 6,250 sq. ft. 50 ft. 40% 35 ft. 15 ft. 20 ft. 6 ft. 12 ft. 10 ft.
Duplexes 5,000 sq. ft. per unit 40 ft. 40% 35 ft. 15 ft. 20 ft. 6 ft. N/A 10 ft.
Other Permitted Uses 7,000 sq. ft. 50 ft. 40% 35 ft. 15 ft. 20 ft. 6 ft. 12 ft. 25 ft.
Accessory Structures N/A N/A See Above N/A 15 ft. Not in front yard 3 ft. 6 ft. 5 ft.

 

R - S  (Residential Suburban District)

Permitted Uses
  • Agriculture, Horticulture and Forestry
  • Single-Family Dwellings
  • Municipal Services, Parks, Playgrounds
  • Churches and Cemeteries
  • Public and Private Schools
  • Public Utility Structures
  • No-Impact Home-Based Business
  • Accessory Uses
  • Qualified Oil and Gas Operations
 Special Exceptions
  • Bed and Breakfasts
  • ECHO Housing
  • Family Day-Care Facilities
  • Home Occupations
Utilized Public Utilities Min. Lot Area Min. Lot Width Max. Lot Coverage Max. Height-Principal Structure Max Height-Accessory Structure Min. Front Yard Setback Min. One Side Yard Setback Min. Both Side Yard Setbacks Mini. Rear Yard Setback
None 43,560 sq. ft. 400 ft. 20% 35 ft. 20 ft. 35 ft. 315 ft. 330 ft. 35 ft.
Public Water 32,000 sq. ft. 300 ft. 25% 35 ft. 20 ft. 35 ft. 215 ft. 230 ft. 35 ft.
Public Sewer 20,000 sq. ft. 200 ft. 30% 35 ft. 20 ft. 35 ft. 115 ft. 130 ft. 35 ft.
Public Sewer & Water 10,000 sq. ft. 100 ft. 40% 35 ft. 20 ft. 35 ft. 15 ft. 30 ft. 35 ft.
Accessory Structures N/A N/A See Above N/A 20 ft. Not in front yard 10 ft. 20 ft. 10 ft.

 

 

R- F  (Residential Flexible District)

Permitted Uses
  • Single-Family Dwellings
  • Duplexes
  • Townhouses
  • Multi-Family Dwellings
  • Forestry
  • Municipal Services, Parks, Playgrounds
  • Public and Private Schools
  • Churches and Cemeteries
  • Public Utility Structures
  • Accessory Uses
  • Qualified Oil and Gas Operations
 Special Exceptions
  • Bed and Breakfasts
  • Boarding Houses
  • Family Day-Care Facilities
  • Funeral Homes
  • Home Occupations
  • Nursing, Rest or Retirement Homes
  • Office and Retail Conversions
  • Two-Family Conversions
Conditional Uses
  • Manufactured Home Parks 
Use Min. Lot Area Min. Lot Width Max. Lot Coverage Max. Height-Principal Structure Max. Height-Accessory Structure Min. Front Yard Setback Min. One Side Yard Setback Min. Both Side Yard Setbacks Min. Rear Yard Setback
Forestry 10 acres 200 ft. 5% 35 ft. 15 ft. 50 ft. 50 ft. 100 ft. 50 ft.
Single-Family Dwellings 6,250 sq. ft. 50 ft. 40% 35 ft. 15 ft. 20 ft. 6 ft. 12 ft. 10 ft.
Duplexes 5,000 sq. ft. per unit 40 ft. 40% 35 ft. 15 ft. 20 ft. 6 ft. N/A 10 ft.
Townhouses 2,500 sq. ft. per unit 20 ft. per unit 60% 35 ft. 15 ft. 20 ft. 10 ft. end units 10 ft.
Multi-Family Dwellings 20,000 sq. ft. (8 units max.) 150 ft. 50% 35 ft. 15 ft. 20 ft. 20 ft. 40 ft. 20 ft.
Other Permitted Uses 7,000 sq. ft. 50 ft. 40% 35 ft. 15 ft. 20 ft. 6 ft. 12 ft. 25 ft.
Accessory Structures N/A N/A See Above N/A 15 ft. Not in front yard 3 ft. 6 ft. 5 ft.

 

 

R - C  (Rural Conservation District)

Permitted Uses
  • Agriculture and Horticulture including one Single-Family Dwelling on-site
  • Forestry
  • Uses Devoted to Conservation of Natural Resources
  • Municipal Services, Parks and Playgrounds
  • Churches and Cemeteries
  • Public and Private Schools
  • Public Utility Storage
  • Single Family Dwellings, Camps and Cottages
  • Animal Shelters and Vet Offices*
  • Bed and Breakfasts*
  • Kennels*
  • Riding Stables*
  • Two-Family Conversion*
  • Co-Located Communication Antennas*
  • Clubhouses*
  • Accessory Uses
  • Roadside Stands*
  • Family Day-Care*
  • Manure Storage Facilities*
  • Bookkeeping*
  • ECHO Housing*
  • Farm Occupations*
  • Rural Occupations*
  • Home Occupations*
  • Non-Commercial Keeping of Livestock*
  • Temporary Farm Employee Housing*
  • No-Impact Home Based Business
  • Outdoor Furnaces*
  • Qualified Oil and Gas Operations
 Special Exceptions
  • Campgrounds
  • Commercial Produce Operations
  • Communication Towers
  • Concentrated Animal Feeding Operations
  • Golf Courses
  • Nursery and Garden Centers
  • Nursery Contractors
  • Nursing, Rest or Retirement Homes
  • Wind Farms
Conditional Uses
  • Airports/Heliports
  • Cluster Developments
  • Manufactured Home Parks
  • Mining and Quarrying
  • Sawmills
  • Sewage and/or Spent Mushroom Compost Processing
  • Shooting Ranges
  • UnQualified Oil and Gas Operations.

 

 

 

 

         *Contact Zoning Officer for Details

 
Use Min. Lot Area Min. Lot Width Max. Lot Coverage Max Height-Principal Structure Max. Height-Accessory Structure Min. Front Yard Setback Min. One Side Yard Setback Min. Both Side Yard Setbacks Min. Rear Yard Setback
Agricultural, Horticultural, Forestry 10 acres 200 ft. 10% 35 ft. 25 ft. 50 ft. 50 ft. 100 ft. 50 ft.
Permitted Uses with NO Public Sewer or Water 43,560 sq. ft. 125 ft. 20% 35 ft. 20 ft. 30 ft. 20 ft. 40 ft. 25 ft.
Permitted Uses with Public Sewer OR Water 20,000 sq. ft. 100 ft. 25% 35 ft. 20 ft. 30 ft. 15 ft. 30 ft. 25 ft.
Permitted Uses with Public Sewer AND Water 12,000 sq. ft. 70 ft. 30% 35 ft. 20 ft. 30 ft. 10 ft. 20 ft. 25 ft.
Permitted Uses if more than 50% of the site possesses slope in excess of 15% 2 acres 150 ft. 7% 35 ft. 20 ft. 30 ft. 20 ft. 40 ft. 25 ft.
Accessory Structures N/A N/A See above N/A 25 ft. 60 ft if the accessory use is in front of the principal structure. 15 ft. 30 ft. 15 ft.

 

 

C-B  (Central Business District)

Permitted Uses
  • Forestry
  • Municipal Services, Parks, Playgrounds
  • Public Uses and Utility Structures
  • Banks, Excluding Drive-Thru
  • Medical or Dental Clinics
  • Offices
  • Public, Private and Commercial Schools
  • Restaurants and Taverns, excluding Outdoor Cafes, Drive-Thru or Fast Food Restaurants
  • Retail Sale, Service, Rental of Goods, excluding Adult-Related Uses
  • Retail Services
  • Art or Antique Shops
  • Libraries and Museums
  • Delicatessens, Baker, Caterers
  • Churches, excluding Cemeteries
  • Private Clubhouses
  • Automobile Parking Garages and Mass Transit Terminals
  • Movie Theaters and Auditoriums
  • Accessory Uses
  • Qualified Oil and Gas Operations
Special Exceptions
  • Banks with Drive-Thru
  • Commercial Day-Care Facilities
  • Conversion Apartments
  • Drive-Thru/Fast Food Restaurants
  • Dry Cleaners/Laundry Stations
  • Funeral Homes
  • Hotels
  • Outdoor Cafes
Min. Lot Area Min. Lot Width Max. Lot Coverage Max. Height-Principal Structure Max. Height-Accessory Structure Min. Front Yard Setback Min. One Side Yard Setback Min. Both Side Yard Setbacks Min. Rear Yard Setback
5,000 sq. ft. 40 ft. 100% 75 ft. 75 ft. No less than 5 ft. 0 ft. 0 ft. 0 ft.

 

H - C  (Highway Commercial District)

Permitted Uses
  • Forestry
  • Offices
  • Banks
  • Restaurants and Taverns, excluding Drive-Thru or Fast Food Restaurants
  • Retail Sale of Goods and Services
  • Hotels and Motels
  • Retail Sale of Automobiles, Boats, Trailers, Spas, Swimming Pools
  • Theaters and Auditoriums
  • Plumbing, HVAC, Electrical Contractor Shops
  • Municipal Services, Public Utilities, Parks, and Playgrounds
  • Public, Private and Commercial Schools
  • Medical and Dental Clinics
  • Dry Cleaners and Laundromats
  • Churches
  • Health and Fitness Clubs
  • Animal Shelters and Vet Offices
  • Convenience Stores
  • Breweries
  • Recycling Collection Facilities as an Accessory Use
  • Accessory Uses
  • Qualified Oil and Gas Operations

 

 Special Exceptions
  • Amusement Arcades
  • Automobile filling Stations
  • Automobile Service and Repair Stations
  • Billboards
  • Car Washes
  • Commercial Recreation Facility
  • Drive-Thru/Fast Food Restaurant
  • Farmers, Antiques, and Flea Markets
  • Funeral Homes
  • Heavy Equipment Sales, Service and Repair
  • Home Improvement/Building Supply Stores
  • Mini-Warehouses

Conditional Uses

  • Amusement Parks
  • Off-Track Betting Parlors
  • Shopping Centers
  • UnQualified Oil and Gas Operations
Public Utilities Utilized Min. Lot Area Min. Lot Width Max. Lot Coverage Max. Height
None 43,560 sq. ft. 200 ft. 30% 35 ft.
Public Water 32,670 sq. ft. 150 ft. 35% 35 ft.
Public Sewer 20,000 sq. ft. 125 ft. 45% 35 ft.
Both Public Water and Sewer 20,000 sq. ft. 100 ft. 60% 35 ft.

 

Setbacks - Use Front Side Rear
Buildings 40 ft. 20 ft. 20 ft.
Off-Street Parking 10 ft. 10 ft. 20 ft.
Outdoor Loading 40 ft. 10 ft. 20 ft.

 

Residential Buffer Strip:   Any lot adjoining land within a residential district shall maintain a 50 ft. setback for non-residential buildings, structures, off-street parking lots, loading areas, and outdoor storage areas from the residentially zoned parcels.

 

 

 

M - I  (Medical Institutional District)

Permitted Uses
  • Hospitals
  • Medical Residential Campuses
  • Assisted Living and Skilled Nursing Facilities
  • Medical and Dental Offices
  • Outpatient Health Services
  • Health and Fitness Clubs
  • Commercial Day-Cares
  • Churches
  • Municipal Services, Parks and Playgrounds
  • Public Utilities
  • Public, Private and Commercial Schools
  • Banks
  • Restaurants, excluding Drive-Thru and Fast Food Restaurants
  • Forestry
  • Accessory Uses
  • Administrative Offices
  • Automobile Parking Lots and Garages
  • Housing for Students, Employees and Families
  • Lodging Facilities for Patients and Families
  • Retail Sale of Medical/Health Care Supplies
  • Facilities for Short-Term Educational Programs
  • Qualified Oil and Gas Operations

 

 Special Exceptions
  • Helistop
  • Incinerators and Autoclaves

Conditional Uses

  • UnQualified Oil and Gas Operations

 

 

Use Min. Lot Area Min. Lot Width Max. Lot Coverage Max. Height
Principal and Accessory Uses 40,000 sq. ft. 125 ft. 35% 35 ft. or 75 ft.

 

Setbacks - Use Front Side Rear
Buildings 40 ft. 20 ft. 20 ft.
Off-Street Parking 10 ft. 10 ft. 20 ft.
Outdoor Loading Not permitted in front yard 10 ft. 20 ft.

 

Residential Buffer Strip:   Any lot adjoining land within a residential district shall maintain a 50 ft. setback for non-residential buildings, structures, off-street parking lots, loading areas, and outdoor storage areas from the residentially zoned parcels.

 

 

 

I   (Industrial District)

Permitted Uses
  • Agricultural and Horticultural Uses
  • Forestry
  • Laboratories
  • Manufacturing, Storage and Wholesaling
  • Processing, Packaging, Wholesaling of Food Products, excluding Pickeling, Slaughtering, and Sugar Refining
  • Sales of Fuel, Nursery Materials, Concrete and Contractor Supplies
  • Bookbinding and Publishing Operations
  • Machine, Tool & Die, and Metal Fabricating
  • Repair Shops
  • Small Engine Repair Shops
  • Welding Shops
  • Sign Makers
  • Offices
  • Municipal Services, Public Utilities, Parks and Playgrounds
  • Agricultural Support Services
  • Vocational and Mechanical Trade Schools
  • Commercial Day-Cares
  • Clubhouses
  • Animal Shelters and Vet Offices
  • Co-Located Communication Antennas
  • Retail Sales of Products Produced On-Site
  • Recycling Collection Facilities as an Accessory Use
  • Industrial Convenience Uses
  • Qualified Oil and Gas Operations

 

 Special Exceptions
  • Automobile Auctions and Storage Yards
  • Billboards
  • Communication Towers
  • Heavy Equipment Sales, Service and Repair
  • Mini-Warehouses
  • Recycling Facilities
  • Warehousing and Wholesale Trade Establishments

Conditional Uses

  • Adult-Related Uses
  • Heavy Industrial Uses Not Permitted in L-I Zone
  • Junk Yards
  • Mass Transportation Depots
  • Methadone Treatment Facility
  • Mining and Quarrying
  • Principal Waste Handling
  • Sawmills
  • Slaughterhouses
  • Processing and Packaging of Animal Remains
  • Truck or Motor Freight Terminals
  • Warehousing and Wholesale Trade Establishments
  • UnQualified Oil and Gas Operations

 

Use Min. Lot Area Min. Lot Width Max. Lot Coverage Max. Height
All Uses 40,000 sq. ft. 125 ft. 80% 35 ft. or 75 ft.

 

Setbacks - Use Front Side Rear
Buildings, Off-Street Parking and Loading 20 ft. 20 ft. 25 ft.

 

Residential Buffer Strip:   Any lot adjoining land within a residential district shall maintain a 75 ft. setback for buildings, structures, dumpsters, outdoor storage areas and off-street loading areas from the residentially zoned parcels.  Off-street parking lots shall be setback at least 50 ft. from adjoining residentially zoned parcels.

 

 

 

 

L - I  (Limited Industrial District)

Permitted Uses
  • Agricultural and Horticultural Uses
  • Forestry
  • Laboratories
  • Manufacturing, Storage and Wholesaling
  • Processing, Packaging, Wholesaling of Food Products, excluding Pickeling, Slaughtering, and Sugar Refining
  • Sales of Fuel, Nursery Materials, Concrete and Contractor Supplies
  • Bookbinding and Publishing Operations
  • Machine, Tool & Die, and Metal Fabricating
  • Repair Shops
  • Small Engine Repair Shops
  • Welding Shops
  • Sign Makers
  • Offices
  • Municipal Services, Public Utilities, Parks and Playgrounds
  • Agricultural Support Services
  • Vocational and Mechanical Trade Schools
  • Commercial Day-Cares
  • Clubhouses
  • Animal Shelters and Vet Offices
  • Co-Located Communication Antennas
  • Retail Sales of Products Produced On-Site
  • Recycling Collection Facilities as an Accessory Use
  • Industrial Convenience Uses
  • Qualified Oil and Gas Operations

 

 Special Exceptions
  • Automobile Auctions and Storage Yards
  • Billboards
  • Communication Towers
  • Heavy Equipment Sales, Service and Repair
  • Mini-Warehouses
  • Recycling Facilities
  • Warehousing and Wholesale Trade Establishments

Conditional Uses

  • Junk Yards
  • Truck or Motor Freight Terminals
  • UnQualified Oil and Gas Operations
Use Min. Lot Area Min. Lot Width Max. Lot Coverage Max. Height
Principal and Accessory Uses 40,000 sq. ft. 125 ft. 60% 35 ft. or 75 ft.

 

Setbacks - Use Front Side Rear
Buildings 40 ft. 30 ft. 35 ft.
Off-Street Parking 20 ft. 20 ft. 25 ft.
Outdoor Loading 40 ft. 30 ft. 35 ft.

 

Residential Buffer Strip:   Any lot adjoining land within a residential district, or across a road from land in a residential district,shall maintain a 75 ft. setback for buildings, structures, dumpsters, outdoor storage areas and off-street loading areas from the residentially zoned parcels.  Off-street parking lots shall be setback at least 50 ft. from adjoining residentially zoned parcels.

 

 

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