Wichita does not impose traditional municipal impact fees on residential ADUs. Costs are limited to standard building permit fees, plan-review fees, trade permits, and utility connection fees through Wichita Water Utilities if a new meter is required. Kansas law does not authorize school impact fees on residential construction.
Wichita's fee structure is set by City Council resolution and Wichita Code Section 18.04. Standard building permit fees scale with construction value (typically $200-$800 for a small ADU). Trade permits are separately priced. Wichita Water Utilities charges water and wastewater connection fees if a new meter is installed (commonly $1,200-$3,500). When the ADU is on the same meter as the main dwelling, no new connection fees apply. Kansas state law (KSA Chapter 12) does not authorize municipal impact fees on residential development of the type used in California or Oregon — Wichita has not adopted park, school, or transportation impact fees. Sedgwick County Appraiser will reassess the property after construction, raising annual property tax. Stormwater fees may increase if impervious surface significantly grows under Wichita Stormwater Management Program.
Failure to pay required fees results in permit denial or revocation. Unauthorized utility connections lead to disconnection plus penalty fees billed by Wichita Water Utilities. Unpermitted construction discovered later faces doubled fees plus enforcement penalties.
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See how Wichita's adu impact fees rules stack up against other locations.
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