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Montgomery County Maryland
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Department of Permitting Services - Zoning
FREQUENTLY ASKED QUESTIONS
  
Find zoning for a property here:  MNCPPC Zoning
  
ZONING CODE INTERPRETATIONS
  
  • Addition vs. New Construction Interpretation Policy
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  • Automobile Sales And Vehicle Repair in Residential Zones
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  • Bay Windows, Balconies And Vestibules
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  • Building Across Lot Lines
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  • Corner Lots, Yard Requirements including:
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    • Policy
      
    • Main Building Setbacks
      
    • Accessory Building Setbacks
      
  • Established Building Line including:
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    • Established Building Line Policy
      
    • Established Building Line Example
      
  • Established Building Line for Cul-de-Sacs Lots including:
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    • Established Building Line Policy for Cul-de-sac Lots
      
    • Diagram A
      
    • Diagram B
      
    • Diagram C
      
  • Fences and Retaining Walls Over 6'6'' in Height
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  • Lots With No Street Frontage
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  • Metal Storage Containers
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  • Multiple Kitchens in a Home
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  • 1928-30 Zoning Ordinances Policy
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    RESIDENTIAL ZONING INFORMATION
      
  • Basement/Cellar, How To Determine Stories in R-60 & R-90 Zones:
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  • Building Height, How to Measure including:
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    • Method 1 Example, R-60 & R-90 Only
      
    • Method 2 Example, R-60 & R-90 Only
      
    • Site Plan for Bldg. Ht. Measurement
      
    • Using Average Front Elevation, all other zones
      
    • Using Street Grade Elevation, all other zones
      
  • Development Standards, Residential Zones
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  • Development Standards, Agricultural Zones
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  • Established Building Line including:
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    • Established Building Line Policy
      
    • Established Building Line Example
      
  • Established Building Line for Cul-de-Sacs Lots including:
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    • Established Building Line Policy for Cul-de-sac Lots
      
    • Diagram A
      
    • Diagram B
      
    • Diagram C
      
  • Generators
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  • Heat Pumps, A/C Units, Chimney's Eaves and Overhangs
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  • Site Plan Requirements for 1 Story Additions, Decks & Sheds
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  • Site Plan Requirements for New Single-Family Dwellings, 2 Story & 2nd Story Additions
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  • Site Plan Model and Requirements
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  • Steps, Stoops, Porches And Decks
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    DIAGRAMS and EXAMPLES
      
  • Corner Lots, Yard Requirements including:
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    • Policy
      
    • Main Building Setbacks
      
    • Accessory Building Setbacks
      
  • Flag-Shaped Or Pipestem Lot Model
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  • How To Determine Setbacks
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  • Lot Width Requirements Model
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  • Lot With No Side Yards
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  • Rear Yard For Accessory Structures
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  • Side Lot Lines Come to a Point at the Rear
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  • Through Lot Model
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  • Types of Lots
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    GENERAL ZONING INFORMATION
      
  • Bed and Breakfast Lodging Certificate
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  • Major Equestrian Events License
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  • Deer Fences
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  • Fence and Wall Restrictions Model
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  • Home Occupation Registration Certificate
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  • Notice on Parking for the AT&T National
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  • Nonconforming Use Certificate
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  • Special Exception Fees
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  • Zoning Confirmation Letter
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    SIGNS
      
  • Information about Political Signs
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  • Limited Duration Sign Permit
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  • Sign Permit
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    VARIANCES AND WAIVERS
      
  • Board of Appeals
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  • Off-Street Parking Waiver
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  • Residential Variance
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  • Sign Review Board Agenda
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  • Sign Variance
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  • Sign Variance Application Process
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  • Sign Variance Process-Consent Calendar
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  • Sign Variance Process-Example of Contiguous & Opposite Properties
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    LINKS
      
  • Maryland-National Capital Park and Planning Commission (MNCPPC)
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  • Montgomery County Zoning Ordinance
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  • Tax Assessment Information
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    Last edited: 7/18/2008