Bolthole Index

Wilson County, Tennessee

Zoning, building permits and septic rules in Mount Juliet, Tennessee

Mount Juliet is a city in Wilson County, Tennessee. Mount Juliet adopts its own zoning, so inside its limits Mount Juliet’s rules apply, not the county’s. 4 rules below are quoted from official sources and independently re-checked, most recently on November 12, 2026. Rules for unincorporated land are on the Wilson County page.

Answers from the rulebook for Mount Juliet

Mount Juliet’s own rules

  • Building permitRequired

    Construction, alteration, demolition, pools, decks, arbors, storage buildings and system installations inside Mount Juliet city

    • Exceptions listed: fences not over 7 feet; sidewalks and driveways not more than 30 inches above grade; prefabricated pools under 24 inches deep; playground equipment; awnings projecting not more than 54 inches; retaining walls not over 4 feet
    “shall first make application to the building official and obtain the required permit.”
  • Building code adoptedAdopted

    Construction inside Mount Juliet city limits

    • Page lists 2018 IRC, IBC, fuel gas, plumbing, property maintenance, existing building, energy conservation, swimming pool and spa, mechanical, 2017 NEC, 2017 ICC A117.1 and 2018 IFC
    • Adoption ordinance number and date not verified on page
    “city of mt. juliet adopted building codes: 2018 international residential code 2018 international building code 2018 international fuel gas code”
  • Local zoningPresent

    Land inside Mount Juliet city limits (Wilson County, TN)

    • Page cites zoning code sections 3-106.4.b and 13-103.5 administered by the city planning & zoning department
    “in any residential district, a temporary use permit may be issued to place a mobile home temporarily on a lot in which the principal structure was destroyed by fire, explosion or natural phenomena.”
  • Manufactured homesLimited

    Temporary mobile home placement on a residential lot after the principal structure is destroyed, inside Mount Juliet city (hardship case only; general manufactured home rules not found)

    • Temporary use permit; for residents of the destroyed structure only
    • Applicant needs written approval of water supply and sewage disposal from the regulatory authority
    • Initial permit nine months, renewable up to six months at a time, total not exceeding 21 months
    “in any residential district, a temporary use permit may be issued to place a mobile home temporarily on a lot in which the principal structure was destroyed by fire, explosion or natural phenomena.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Mount Juliet or Wilson County directly.

  • Owner-builder exemption — Inside Mount Juliet city
  • Inspections — Inside Mount Juliet city
  • Certificate of occupancy — Inside Mount Juliet city
  • Zoning districts — Inside Mount Juliet city
  • Minimum dwelling size — Inside Mount Juliet city
21 more unanswered
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees
  • Permit process

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that Mount Juliet publishes no rule on the point, not that none exists. Wilson County’s page lists the county offices to call.

← All of Wilson County: county rules, score and offices