Jackson does not charge general residential development impact fees on accessory dwellings. Mississippi has no statewide impact-fee enabling statute, and the City of Jackson has not adopted a residential impact-fee program. Costs for a Jackson ADU are limited to Building Inspection Division permit fees, water/sewer connection fees from the Department of Public Works, and any school facilities or other fees imposed by separate authority.
Mississippi is among a small group of states without a statewide impact-fee enabling statute. Without state authorization, Mississippi cities generally cannot impose impact fees as a condition of development approval; Jackson has not adopted any general residential development impact fee. The City funds infrastructure through general fund appropriations, the 1% Jackson Infrastructure Sales Tax (authorized by HB 787 / Miss. Code Ann. Β§27-65-241), bond financing, and federal/state grants. Costs for a Jackson ADU therefore consist of: (1) Building Inspection Division building permit fees based on construction valuation per the City fee schedule under Code Ch. 26; (2) plumbing, electrical, and mechanical trade-permit fees; (3) water service connection fees from the Department of Public Works if a new tap or meter is installed (shared-service from the principal dwelling avoids new tap fees); (4) sewer connection fees, currently subject to the long-running federal Consent Decree governing Jackson's wastewater system upgrades; (5) any post-Henifin water system fees collected by JXN Water under the federal court-appointed manager structure; and (6) any school facilities or other fees that may be imposed by separate authority. Property reassessment is performed by the Hinds County Tax Assessor. Jackson's water-system challenges and Consent Decree obligations have led to evolving fee structures β confirm current rates with Public Works and JXN Water before construction.
Building without required permits to avoid fees triggers stop-work orders by the Building Inspection Division, doubled fees on after-the-fact applications, and possible mandatory exposure of concealed work. Unpaid water or sewer connection fees block service connection. Unpaid school or other separately authorized fees may be enforced through liens or service holds.
Jackson, MS
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