How Jackson Handles Accessory Structures: A Practical Guide
Jackson maintains 113 local ordinances across all categories, and 3 of those deal specifically with accessory structures. Here is a breakdown of what the city actually requires, what is prohibited, and where Jackson falls on the strict-to-permissive spectrum compared to other cities.
ADU Owner Occupancy
Inside Jackson's Traditional Neighborhood Development (TND) District, a lot may carry no more than one accessory dwelling, and the Zoning Ordinance requires that unit to be owned by the same person who owns the principal dwelling; separate driveways are barred unless the accessory unit uses a rear alley.
Key details: Ownership rule: Accessory dwelling and house, same owner. Units per lot: One accessory dwelling maximum. Driveway rule: Shared driveway unless rear-alley access. Applies in: Traditional Neighborhood Development (TND) District only. Last amended: December 19, 2024.
Selling or transferring a TND accessory dwelling to a different owner than the principal dwelling, adding a second accessory unit on one lot, or installing a separate driveway without qualifying rear-alley access breaches § 709.02-D.01(1)(B). As with other Zoning Ordinance violations, § 2201-A makes this a misdemeanor and § 2202-A permits a fine of up to $1,000 plus costs after a 15-day cure period, with continuing violations charged daily.
Shed & Carport Rules
Jackson's zoning ordinance bars any accessory structure, including a shed, from a required front or side yard and requires 10 feet of separation from other structures citywide. In the R-1 Single-Family district, detached accessory buildings must also sit back 60 feet from the front lot line and 5 feet from side and rear lines.
Key details: Citywide separation from other structures: 10 feet, any district. Citywide yard restriction: No shed in required front or side yard. R-1 front setback: 60 feet from front lot line. R-1 side/rear setback: 5 feet each. Portable storage container cap, R-1/R-2: 130 sq ft, 16-ft max length.
The Zoning Administrator enforces accessory-structure placement under Article XIV-A, Administration and Enforcement; a shed erected in a required yard or without the district setback can be red-tagged and ordered removed or relocated. Building without the required permit is a separate violation subject to municipal court prosecution and fines under Article XXII-A, Penalties for Violation, with continuing noncompliance treated as a new offense each day.
ADU Rules
In Jackson's Traditional Neighborhood Development (TND) zoning district, guest cottages, garage apartments and other accessory dwellings may be attached or detached from the main house, but only one is allowed per lot. Detached units are capped at 650 square feet of first-floor footprint and must sit in the established rear yard.
Key details: Applies in: Traditional Neighborhood Development (TND) District only. Units per lot: One accessory dwelling maximum. Max footprint: 650 square feet, first floor. Location: Established rear yard. Attachment: May be attached or detached.
Building a detached accessory dwelling larger than 650 square feet, placing it outside the established rear yard, or adding a second accessory unit on a TND lot violates § 709.02-D.01(1). Under § 2201-A that is a misdemeanor, and § 2202-A allows a fine of up to $1,000 plus costs if uncorrected within 15 days of notice from the Zoning Administrator, with each day a separate offense.
The Bottom Line
Jackson's accessory structures rules are a mixed bag. Some areas are strict, others are relaxed, and the details matter. The best approach is to check the specific rule that applies to your situation rather than assuming Jackson is broadly strict or permissive.
All of the above reflects Jackson's municipal code as of our last review. If you need specifics on fines, exemptions, or filing requirements, the detailed ordinance pages linked above have the full breakdown.