Bolthole Index

Madison County, Tennessee

Zoning, building permits and septic rules in Three Way, Tennessee

Three Way is a city in Madison County, Tennessee. Three Way adopts its own zoning, so inside its limits Three Way’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 Madison County page.

Answers from the rulebook for Three Way

Three Way’s own rules

  • Building permitRequired

    Construction inside Three Way city

    • Building permit issued by the city building inspector under chapter 1 'Administration' of the city building code
    • A certificate of zoning compliance from the zoning administrator is needed before a permit issues
    “a building permit shall be issued by the office of the building inspector in accordance with the provisions of this ordinance and shall be regulated by chapter 1 "administration" of the building code of the city of three way.”
  • Certificate of occupancyRequired

    New buildings and changes in occupancy inside Three Way city

    • Issued by the building inspector per chapter 1 'Administration' of the city building code
    “no new building shall be occupied and no change in occupancy of a building or part of a building shall be made until after the office of the building inspector shall have issued a certificate of occupancy as regulated in chapter 1 "administration" of the building code of the city of three way.”
  • Local zoningPresent

    Land inside Three Way city limits (Madison County, TN)

    • Adopted under Tenn. Code Ann. 13-7-201 through 13-7-210
    “this ordinance shall be known and cited as the "zoning ordinance of the city of three way"”
  • Zoning districtsPublished

    Zoning districts inside Three Way city

    • Districts listed in the ordinance table of contents: A-O, RL, RM, RM-1, BN, BH, BP, IL, IH, FH, O, PRD
    “section 1. a-o (agriculture and open land) district section 2. rl (low density residential) district section 3. rm (medium density residential) district section 4. rm-1 (medium density residential) district section 5. bn (neighborhood business) district section 6. bh (highway business) district section 7. bp (planned business) district section 8. il (light industrial) district section 9. ih (heavy industrial) district section 10.fh (special flood hazard) district section 11. o (office) district section 12. prd (planned residential development) district”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Three Way or Madison County directly.

  • Owner-builder exemption — Owner-builder inside Three Way city
  • Building code adopted — Building code inside Three Way city
  • Inspections — Inspections inside Three Way city
  • Minimum dwelling size — Minimum dwelling size inside Three Way city
  • Minimum lot size — Minimum lot size in RL and A-O districts
21 more unanswered
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured 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 Three Way publishes no rule on the point, not that none exists. Madison County’s page lists the county offices to call.

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