Nashville Council Digest

Zoning terms

Zoning bills change a property from one zoning district to another, written as codes like RS5 or RM20-A-NS. Each definition below is quoted from a Metro Planning Commission staff report or Metro Planning's zoning classifications page, linked as its source. A code's parts add up: RM20-A-NS is RM20, plus -A, plus -NS.

Districts

AR2a
Agricultural/Residential requires a minimum lot size of two acres and is intended for uses that generally occur in rural areas, including single-family, two-family, and mobile homes at a density of one dwelling unit per two acres. Source
RS3.75
Single-Family Residential requires a minimum 3,750 square foot lot and is intended for single-family dwellings. Source
RS5
Single-Family Residential requires a minimum 5,000 square foot lot and is intended for single-family dwellings. Source
RS7.5
Single-Family Residential requires a minimum 7,500 square foot lot and is intended for single-family dwellings. Source
RS10
Single-Family Residential requires a minimum of 10,000 square foot lot and is intended for single-family dwellings. Source
RS15
Single-Family Residential requires a minimum 15,000 square foot lot and is intended for single-family dwellings. Source
RS20
Single-Family Residential requires a minimum 20,000 square foot lot and is intended for single-family dwellings only. Source
RS40
Single-Family Residential requires a minimum 40,000 square-foot lot, and is intended for single-family dwellings. Source
RS80
Single-Family Residential low density residential, requiring a minimum 80,000 square foot lot and intended for single-family dwellings. Source
R6
One and Two-Family Residential requires a minimum 6,000 square foot lot and is intended for single-family dwellings and duplexes. Source
R6-A
One and Two-Family Residential requires a minimum 6,000 square foot lot and is intended for single-family dwellings and duplexes. Source
R8
One and Two-Family Residential requires a minimum 8,000 square foot lot and is intended for single-family dwellings and duplexes. Source
R10
One and Two-Family Residential requires a minimum of 10,000 square foot lot and is intended for single-family dwellings and duplexes. Source
R15
One and Two-Family Residential requires a minimum 15,000 square foot lot and is intended for single-family dwellings and duplexes. Source
R20
One and Two-Family Residential requires a minimum 20,000 square foot lot and is intended for single-family dwellings and duplexes. Source
R40
One and Two-Family Residential requires a minimum 40,000 square foot lot and is intended for single-family dwellings and duplexes. Source
R80
One and Two-Family Residential requires a minimum 80,000 square foot lot and is intended for single-family dwellings and duplexes at an overall density of .58 dwelling units per acre including 25 percent duplex lots. Source
RM6
Multi-Family Residential is intended for single-family, duplex, and multi-family dwellings at a density of six dwelling units per acre. Source
RM9
Multi-Family Residential is intended for single-family, duplex, and multi-family dwellings at a density of nine dwelling units per acre. Source
RM15
Multi-Family Residential medium-high density residential, intended for multi-family dwellings at 15 units per acre. Source
RM20
Multi-Family Residential is intended for single-family, duplex, and multi-family dwellings at a density of 20 dwelling units per acre. Source
RM20-A
Multi-Family Residential is intended for single-family, duplex, and multifamily dwellings at a density of 20 dwelling units per acre and is designed to create walkable neighborhoods through the use of appropriate building placement and bulk standards. Source
MUN-A
Mixed Use Neighborhood-Alternative is intended for a low intensity mixture of residential, retail, and office uses and is designed to create walkable neighborhoods through the use of appropriate building placement and bulk standards. Source
MUL
Mixed Use Limited is intended for a moderate intensity mixture of residential, retail, restaurant, and office uses. Source
MUL-A
Mixed Use Limited is intended for a moderate intensity mixture of residential, retail, restaurant, and office uses and is designed to create walkable neighborhoods through the use of appropriate building placement and bulk standards. Source
MUG
Mixed Use General intended for a moderately high intensity mixture of residential, retail, and office uses. Source
MUG-A
Mixed Use General-Alternative is intended for a moderately high intensity mixture of residential, retail, and office uses and is designed to create walkable neighborhoods through the use of appropriate building placement and bulk standards. Source
MUI-A
Mixed Use Intensive-Alternative is intended for a high intensity mixture of residential, retail, and office uses and is designed to create walkable neighborhoods through the use of appropriate building placement and bulk standards. Source
ON
Office Neighborhood is intended for low intensity office uses. Source
OL
Office Limited is intended for moderate intensity office uses. Source
OR20
Office/Residential is intended for office and/or multi-family residential units at up to 20 dwelling units per acre. Source
OR20-A
Office/Residential-Alternative is intended for office and/or multi-family residential units at up to 20 dwelling units per acre and is designed to create walkable neighborhoods through the use of appropriate building placement and bulk standards. Source
ORI
Office/Residential Intensive is intended for high intensity office and/or multi-family uses with limited retail opportunities. Source
CL
Commercial Limited is intended for retail, consumer service, financial, restaurant, and office uses. Source
CS
Commercial Service is intended for retail, consumer service, financial, restaurant, office, self-service storage, light manufacturing, and small warehouse uses. Source
CA
Commercial Attraction is intended for a wide range of amusement, recreational, and retail support uses typically associated with the tourist industry. Source
CF
Core Frame intended for a wide range of parking and commercial service support uses for the central business district. Source
IR
Industrial Restrictive is intended for a wide range of light manufacturing uses at moderate intensities within enclosed structures. Source
IWD
Industrial Warehousing/Distribution is intended for a wide range of warehousing, wholesaling, and bulk distribution uses. Source
IG
Industrial General is intended for a wide range of intensive manufacturing uses. Source
SP
Specific Plan is a zoning district category that provides for additional flexibility of design, including the relationship of streets to buildings, to provide the ability to implement the specific details of the General Plan. Source

Endings

-A
Alternative is designed to create walkable neighborhoods through the use of appropriate building placement and bulk standards. Source
-NS
No Short-Term Rental The -NS designation prohibits Short-Term Rental Property – Owner Occupied and Short-Term Rental Property – Not Owner Occupied uses from the district. Source

The exact rules are in Title 17 of the Metro Code. Districts not listed here (such as RM15 or DTC) don't have a definition with a source yet.