Bolthole Index

Union County, Tennessee

Zoning, building permits and septic rules in Maynardville, Tennessee

Maynardville is a city in Union County, Tennessee. Maynardville adopts its own zoning, so inside its limits Maynardville’s rules apply, not the county’s. 5 rules below are quoted from official sources and independently re-checked, most recently on November 12, 2026. Rules for unincorporated land are on the Union County page.

Answers from the rulebook for Maynardville

Maynardville’s own rules

  • Building code adoptedAdopted

    Buildings inside Maynardville city limits

    • Adopted with local modifications listed in 12-102.
    • Residential code chapter 12-201 adopts the 2012 International Residential Code (older edition than the 2018 building code).

    building code: International Building Code 2018 (with changes in 12-102)

    “the international building code,2 2018 edition, as prepared and adopted by the international code council, is hereby adopted with the changes listed below and incorporated by reference as a part of this code”
  • Local zoningPresent

    Land inside Maynardville city limits

    • The zoning ordinance and map are published as separate documents on file with the city recorder; the code PDF says it does not include administrative ordinances such as zoning map amendments.

    zoning ordinance: Ordinance #144, Zoning Ordinance, Maynardville, Tennessee

    “land use within the city of maynardville shall be governed by ordinance #144, titled "zoning ordinance, maynardville, tennessee," and any amendments thereto.”
  • Manufactured homesLimited

    Mobile homes inside Maynardville city; the chapter's definition of 'mobile home' was only partly read, so coverage of newer HUD-code manufactured homes is unconfirmed

    • Requires a license (14-418/14-419) and compliance with construction standards decals (14-403).
    • The use of a single wide mobile home other than as a residential dwelling in a licensed and approved mobile home park is prohibited.
    • Zoning ordinance #144 district rules for manufactured housing not reviewed.

    cutoff date for placement outside licensed parks: 2007-12-31

    “it shall be unlawful for any mobile home to be used, stored, or placed on any lot or serviced by the utilities of the city where the mobile home is outside of any designated and licensed mobile home park after december 31, 2007. the use of a single wide mobile home other than as a residential dwelling in a licensed and approved mobile home park is prohibited.”
  • Off-grid sanitationLimited

    Privies, septic tanks and cesspools within the Maynardville wastewater service area

    • Exceptions in 18-209(3)-(5) apply; their text was not read.
    • Mobile home park rule 14-412 allows septic or package plant where public sewer is not used, with health officer approval.
    “except as provided in (3) and (4) of this section, it is prohibited to construct or maintain any privy, privy vault, septic tank, cesspool, or other facility intended or used for the disposal of sewage.”
  • Mandatory utility hookupSewer (with conditions)

    Occupied properties inside Maynardville city within the wastewater service area

    • Applies only where a public sanitary sewer is available as defined (gravity flow, adjacent to a property line, occupied structure within 200 linear feet).
    • Connection due within 30 days after official notice, at owner's expense.
    • Exceptions in subsections (4) and (5) of 18-209 were not read.
    • Water connection requirement not found.

    connection deadline after notice: 30 days · sewer availability distance: <= 200 linear feet

    “is hereby required at his expense to install suitable toilet facilities therein, and to connect such facilities directly with the proper public sewer in accordance with the provisions of these rules, within thirty (30) days after date of official notice to do so, provided that said public sewer is available as defined herein.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Maynardville or Union County directly.

  • Building permit — Building permits inside Maynardville city
  • Owner-builder exemption — Owner-builders inside Maynardville city
  • Inspections — Building inspections inside Maynardville city
  • Certificate of occupancy — Certificates of occupancy inside Maynardville city
  • Zoning districts — Zoning districts inside Maynardville city
20 more unanswered
  • Minimum dwelling size
  • 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
  • Well permit
  • 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 Maynardville publishes no rule on the point, not that none exists. Union County’s page lists the county offices to call.

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