This is a compilation of various standards for the counties and municipalities we serve. We try to keep these up to date, but as each planning district may change its regs at any time, it is in your best interest to check. As the Russian Proverb (quoted by Ronald Reagan) goes, “Trust, but Verify.”

Anderson | Blount | Campbell | Claiborne | Cocke | Grainger | Greene | Hamblen | Hancock | Hawkins | Jefferson | Knox | Loudon | Monroe | Roane | Sevier | Union

Anderson

Subdivision Requirements (see regs)

Classification of Street of AccessPublic Water and Sewer
(PUD)
Public Water and Sewer
(subdivision)
Public Water and No SewerNo Public Water or Sewer
Road Frontage25′25′50′50′
Minimum Lot Size7,500 sq ‘12,000 sq ‘22,000 sq ‘3 acres
per subdivision regulations

Blount

Subdivision Requirements (see regs)

Classification of Street of AccessFrontage on Street of AccessLot Width at Building LineLot Area w/Public Water and Sewer (sf)Lot Area w/o Public Sewer (sf) Lot Area w/o
Public Water and
with or w/o Sewer
Primary Major Art (A-1)400’*100′43,00043,00043,000
Major Arterial (A-2)200’*100′43,00043,00043,000
Minor Arterial (A-3)150’*100′30,00032,67035,000
Collector (C)100′75′21,78032,67035,000
Residential and Other50′75′21,78032,67035,000
Interior One Lot25′75′21,78032,67035,000
per subdivision regulations

Zoning Requirements (see regs)

Minimum Front
Building Setback
Line
(Principal Arterials)
Minimum Front
Building Setback
Line
(Major Arterials)
Minimum Front
Building Setback
Line
(Local Access)
Side SetbackRear Setback
60′40′30′10′20′
R-1, R-2, and C Zones

Campbell

Zoning Requirements (see regs)

Public Water
& Sewer
Public Water
& alt sewer
Public Water
septic
No Pubic
Utilities NOT on
Public Waterway
No Pubic
Utilities on
Public Waterway
Road Frontage50′50′100′n/an/a
Minimum Area7,500 ft²20,000 ft²20,000 ft²1 acre2 acres
Minimum Front
Building Setback
Line
(arterials)
Minimum Front
Building Setback
Line
(Major Collectors)
Minimum Front
Building Setback
Line
(Local Access)
Side and Rear
Setback
Line
50′40′30′n/a

In the case of electric transmission lines where easement widths are not established, the building setback lines from the center of the lines shall be as follows: 46kV = 37.5′ | 69kV = 50′ | 161 kV or greater = 75′

Claiborne

Claiborne County (see regs)

Street Frontage: 40′ of “usable” (30′ on cul-de-sac)

Lot SlopeMinimum
Width at
Setback Line
Min. Area
w/ Public Water
& Sewer
Min. Area
Without Public
Sewerage
Min. Area
Private
Source
Water
0-29.9%75′7,500 ft²n/an/a
40′n/a20,000 ft²n/a
100′n/an/a25,000 ft²
Minimum Size
Lot
Slope
Minimum Front
Building Setback
Line
(arterials)
Minimum Front
Building Setback
Line
(Major Collectors)
Minimum Front
Building Setback
Line
(Local Access)
Side and Rear
Setback
Line
0-29.9%50′40′30′10′
Setbacks

In the case of electric transmission lines where easement widths are not established, the building setback lines from the center of the lines shall be as follows: 46kV = 37.5′ | 69kV = 50′ | 131 kV or greater = 75′

Cocke

Cocke County

Public Water
& Sewer
Public Water
septic
No Pubic
Utilities
Road Frontage*100′100′100′
Minimum Area15,000 ft²32,670 ft² (3/4 ac)43,560 ft² (1 ac)
Minimum Lot Width75′100′150′
*50′ for flag lots (“pole” cannot reduce below 50′) – 75′ for lots with existing sewer
Minimum Front
Building Setback
Line
(arterials & Highways)
Minimum Front
Building Setback
Line
(Major Collectors)
Minimum Front
Building Setback
Line
(Minor Collector and Residential)
Side
Setback
Line
50′40′30′15′
Corner Lots shall require a side yard building setback line of tweny (20) feet from the intersection street right of way.

In the case of electric transmission lines where easement widths are not established, the building setback lines from the center of the lines shall be as follows: 46kV = 37.5′ | 69kV = 50′ | 161 kV or greater = 75′

Utility and Drainage: 10′ along all lot lines

Grainger

Grainger County (See Regs)

Public Water
& Sewer
Public Water
septic
No Pubic
Utilities NOT on
Public Waterway
Road Frontage40′50′75′
Minimum Area10,000 ft²20,000 ft²30,000 ft²
Minimum Lot Width75′80′100′
Minimum Front
Building Setback
Line
(arterials)
Minimum Front
Building Setback
Line
(Major Collectors)
Minimum Front
Building Setback
Line
(Local Access)
Side
Setback
Line
40′30′ or 40′ (regs unclear)30′15′
In the case of electric transmission lines where easement widths are not established, the building setback lines from the center of the lines shall be as follows: 46kV = 37.5′ | 69kV = 50′ | 161 kV or greater = 75′

Greene

Hamblen

Hancock

Hawkins

Hawkins County

Minor Residential
and Collector Streets
All Other Streets
Front Building Setback Line30′40′
Side Setback LineMinimum of 6′ and a sum of 15′Minimum of 6′ and a sum of 15′
The size and widths of lots shall in no case be less than the minimum requirements of any zoning ordinance in effect.
Residential LotsWith
Public Sewer
Public Water
& septic
Without Public Water
& Septic
Minimum Area7,500 ft²20,000 ft²*30,000 ft²*
Minimum Lot Width60′40′200′
Minimum Width at Setback Linenot specified80′80′
*Greater area may be required for private sewage disposal if, in the opinion of the Tennessee Department of Environment and Conservation, there are factors of drainage, soil condition or other conditions to cause potential health problems.

Jefferson

Jefferson County (see reg & amendments)

Residential LotsPublic Water &
Public Sewer
Public Water
& septic
Without Public Water
& Septic
Minimum Area10,000 ft²20,000 ft²*40,000 ft²*
Minimum Width at Setback Line75′100′150′
Minimum Front Setback
(from center of existing county roads)
55’**55’**55’**
Minimum Rear Setback 10′10′10′
Minimum Side Setback10′10′10′
*Greater area may be required for private sewage disposal if, in the opinion of the Tennessee Department of Environment and Conservation, there are factors of drainage, soil condition or other conditions to cause potential health problems. **The planning commission may require a smaller building setback line if the road has an existing right of way of 50′ or more.

Building Site Requirements (to be shown on plat) per Resolution R2022I

  • 7% of total property (30′ x 40’ min)
  • Situated within the lot setbacks
  • Outside of a special flood hazard area
  • “free of excessive rock formations”
  • Not needed for septic drain fields or reserve area
  • Have an average slope not to exceed 10%
  • Land below the 1002’ contour on Douglas Lake shall not be included when computing total lot sizes.

Additional Lot requirements

  • “Except for lots on approved public easements, each Lot must front for 50 feet on an existing county road or a road proposed for public acceptance…
  • Flag lot stems and/or the property that will contain the driveway shall meet the slope requirements for minor collector and local streets (12% grade and planning can give exception up to 15% grade
  • “A permanent easement crossing no more than one property may be allowed as the necessary access for the creation of no more than one lot. The easement shall front on a public road for twenty-five (25) and be twenty-five (25) feet in width throughout its length. This easement shall meet the slope requirements for minor collector and local streets.”

Knox

See here for zoning and subdivision regulations.

Loudon

Loudon County (see regs)

Subdivision Requirements

Minimum Front
Building Setback
Line
(arterials)
Minimum Front
Building Setback
Line
(Major Collectors)
Minimum Front
Building Setback
Line
(Local Access)
50′40′30′
per subdivision regulations
Public Water
& Sewer
Public Water
septic
No Pubic
Utilities NOT on
Public Waterway
Minimum Area7,500 ft²not specifiedTBD by planning
Minimum Lot Width75′not specified200′
per subdivision regulations

Zoning Requirements

Zoning DistrictMinimum
Lot Size (ft²)
Front
Setback
Side
Setback
Rear
Setback
Minimum
Lot Width
A-1, Agricultural43,560 ft² (1 acre)50′20′35′150′
A-2, Rural Residential43,560 ft² (1 acre)40′20′30′100′
R-1, Suburban Residential20,000 ft²30′15′25′100′
C-1, Rural Center DistrictResidential: 15,000 ft² w/ public water
43,560 ft² w/o public water
Commercial: 22,000 ft² w/ public water
43,560 ft² w/o public water*
30′20′25′100′
C-2, General Commercial District20,000 ft² w/ public water
3 acres w/o public water
30′20′20’**100′
M-1, General Industrial District2 acres w/ public water
5 acres w/o public water
30′20’***30′150′
F-1, Floodway Districtnone
O-1, Office-Professional District40’/50′20’/25′25′100′
*requires planning approval. ** 30′ where vehicle access provided. ***50′ where side yards are adjacent to suburban-residential,
rural residential, or rural center districts

In the case of electric transmission lines where easement widths are not established, the building setback lines from the center of the lines shall be as follows: 46kV = 37.5′ | 69kV = 50′ | 161 kV or greater = 75′

Monroe

Roane

Sevier

Sevier County (see regs)

“Normal” Design

Front Setbacks
Residential, Cul-de-sac & Minor Access Roads20′
Minor Collector Roads20′
Major Collector Roads40′
Arterial Roads & Highways50′
Zoning DistrictSide & Rear
Setback
PUD
(Exterior Setback)
A-1, R-1, R-2M, R-2, C-1, C-210′25′
I-1, CS10′25′
Zoning DistrictMinimum Lot Size (ft²)Floor Area Ratio
(FAR)
A-1, Agricultural30,000 ft²n/a
R-1, Rural Residential30,000 ft² or
25,000 ft² with public water
n/a
R-2M, Medium Density Residential15,000 ft²n/a
R-2, High Density Residential7,500 ²1.0
C-1, Rural Commercial*1.0
C-2, General Commercial*1.0
I-1, Industrial43,560 ft² (1 acre)
with Health Dept. approval
1.0
*All lots shall be adequately sized to accommodate necessary parking regulations, setbacks, buffer, and
soil requirements for any on-site septic disposal. However, minimum lot size required within this zoning
district is subject to the utility restrictions found in Section 602.2.
Zoning DistrictMinimum Frontage Requirement
A-1, Agricultural50′ *
R-1, Rural Residential50′ & lot must be at least 75′ wide at setback line *
R-2M, Medium Density Residential50′ & lot must be at least 75′ wide at setback line
R-2, High Density Residential50′ & lot must be 75′ wide at setback line
C-1, Rural Commercial50′
C-2, General Commercial50′
I-1, Industrial50′
*Property in A-1 and R-1 zoning districts which have no public water supply shall require a
minimum lot width of one- hundred (100) feet at the building setback line.

Critical Slope (lots with an average slope of 30% or greater)

Water SupplyMinimum Separation
No supply200′ (100′ side and rear setbacks)
500 gpm/ 30 min100′ (50′ side and rear setbacks)
750 gpm/ 30 min or more50′ (25′ side and rear setbacks)
Average SlopeMinimum Lot Size
30% – 49.9%2 acres
50% +3 acres

Gatlinburg (see regs)

ZoneAverage
Slope of Lot
(%)*
Minimum Lot AreaDensityFrontage
Width
Front
setback
Side
setback
Rear
setback
Average
height
Maximum**
height
R-1 & R1-A0% to 19%15,000 ft² (.34 acre)FAR 0.550′ (1)25′ (2)15′ (4)20′36′48′ (3)
R-2 &R-2A20% to 29%32,671 ft² (3/4 acre)FAR 0.550′ (1)25′ (2)15′ (4)20′48′60′ (3)
30% to 49%43,560 ft² (1 acre)
R-350% +87,120 ft² (2 acres)FAR 1.050′ (1)25′ (2)15′ (4)20′48′60′ (3)
C-1FAR 2.010′0′0′48′ (5)60′ (3)(5)
C-2FAR 2.015′0′0′72′84′ (3)
C-3FAR 5.030′10′20′24′36′ (3)
C-448′60′ (3)
C-5FAR 0.530′10′20′24′36′ (3)
C-6FAR 0.548′60′ (3)
ECFAR 2.010′0′0′48′60′ (3)
Average slopes in excess of 30% grade as verified by a licensed surveyor or engineer, shall require a certified analysis and site specific recommendation from
a registered soils engineer (geotechnical engineer) licensed to practice in the State of Tennessee.
** Maximum height shall be determined from the lowest, adjacent finished grade to the roof height as determined by this ordinance.
Footnotes:
All lots with natural average slopes of 30% and greater, must have a minimum of 100 feet of street frontage.
May be reduced to 10 feet if fronting on a 50 ft. right-of-way, 15 feet on a 40 ft. right-of-way, and 20 feet on a 30 ft. right-of-way if the natural topography is
thirty(30) percent or greater, and the on-site parking and turnaround area is maintained per ordinance requirements.
No portion of the building may extend above this line, except steeples, elevator shafts, stairways and similar structures; and that portion of the roof above the
average roof height when the average original grade is 30 percent or greater.
An additional 7.5 feet of side yard setback shall be required for each additional building floor above two (2) stories, up to a 25′ side yard setback.
The C-2 District height limits may be utilized by developments in the C-1 District, if the development meets the on-site

Pigeon Forge (see regs)

ZoneMinimum
Lot Area
Minimum
Lot Area
per addition
Frontage
Width
Front
setback
Side
setback
(each)
Rear
setback
Maximum**
height
R-110,000 ft²10,000 ft²70′ (1)30′15′ ***25′ ***35′
R-23,500 ft²3,500 ft²60′ (1)30′8′ /story ***25′ ***35′
C-1FAR not greaterthan 1.035′per building codeper building code80′
C-2FAR not greaterthan 1.035′per building codeper building code80′
C-3FAR not greaterthan 1.035′20′20′70′
C-4Arterial Streets25′25′25′85’****
Collector Streets25′25′25′48’****
Residential Streets25′25′25′35’****
M-1FAR not greaterthan 1.030′20′25′75’****
C-5(a)none50′ ****50′ ****50′ ****Buildings 70′
Rides 200′
C-5(b)none15′ ****15′ ****15′ ****70′
C-6FAR not greaterthan 1.035’*(a)per building
code ****
per building
code ****
70′
C-7none10′10′10′Buildings 80′
Rides ****
Except no setback on 441 and setback are measured from the center line of the street
** Except on cul-de-sac
*** Accessory structures – Section 508
**** Structure and amusement setbacks of Sections 709.5, 709.10, 706.2.1, & 712.3.2 apply.

Union