Bolthole Index

Gwinnett County, Georgia

Zoning, building permits and septic rules in Grayson, Georgia

Grayson is a city in Gwinnett County, Georgia. 3 rules below are quoted from official sources and independently re-checked, most recently on October 16, 2026. Rules for unincorporated land are on the Gwinnett County page.

Answers from the rulebook for Grayson

Grayson’s own rules

  • Building permitRequired

    Construction, alteration, repair, moving, demolition or change of occupancy of buildings inside Grayson city

    • Application is made to the building official with the required fee.
    • Exempt: certain portable mechanical equipment and replacements listed in the section.
    • Ordinary minor repairs may be made with the building official's approval without a permit.
    • Application is deemed abandoned six months after filing unless a permit has issued; extensions of up to 90 days each.
    “any owner, authorized agent, or contractor who desires to construct, enlarge, alter, repair, move, demolish, or change the occupancy of a building or structure, [...] shall first make application to the building official and obtain the required permit for the work.”
  • Building code adoptedAdopted

    Construction inside Grayson city limits

    • Adopted codes: IBC, NEC, International Fuel Gas Code, IMC, IPC, IRC, IECC, IFC, Standard Unsafe Building Abatement Code, Standard Swimming Pool Code.
    • Sec. 18-253 says the codes apply as adopted and amended by the Georgia Department of Community Affairs.
    “the following regulations and standard minimum codes shall be in full force and effect within the boundaries of the city: (1) international building code (icc); (2) national electrical code (nfpa); (3) international fuel gas code (icc); (4) international mechanical code (icc); (5) international plumbing code (icc); (6) international residential code for one- and two-family dwellings (icc); (7) international energy conservation code (icc); (8) international fire code (icc); (9) standard unsafe building abatement code (sbcci); (10) standard swimming pool code (sbcci).”
  • Building in a floodplainRequired

    New residential construction within the future-conditions floodplain inside Grayson city

    • Allowed only if the requirements of sections 26-202, 26-203 and 26-204 are met.
    • Lowest floor must be at least three feet above base flood elevation or one foot above future-conditions flood elevation, whichever is higher.
    • RVs on site must stay fewer than 180 consecutive days and be ready for highway use, or meet the substantial-improvement elevation rules.

    residential lowest floor freeboard: >= 3 ft above base flood elevation (or 1 ft above future-conditions flood elevation if higher)

    “new construction of principal buildings, including manufactured homes shall not be allowed within the limits of the future-conditions floodplain unless all requirements of sections 26-202, 26-203 and 26-204 have been met. if all of the requirements of sections 26-202, 26-203 and 26-204 have been met, all new construction shall have the lowest floor, including basement, elevated no lower than three feet above the base flood elevation or one foot above the future-conditions flo”

Still unanswered

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

  • Owner-builder exemption — Owner-builders inside Grayson city
  • Inspections — Inspections inside Grayson city
  • Certificate of occupancy — Certificates of occupancy inside Grayson city
  • Local zoning — Zoning inside Grayson city
  • Zoning districts — Zoning districts inside Grayson city
22 more unanswered
  • Minimum dwelling size
  • Minimum lot size
  • 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
  • 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 Grayson publishes no rule on the point, not that none exists. Gwinnett County’s page lists the county offices to call.

Off-grid gear

Going off-grid in Grayson means bringing your own water and power. The kit we’d start with:

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