ADU Impact Fees: Overland Park vs Shawnee
How do adu impact fees rules compare between Overland Park, KS and Shawnee, KS?
Overland Park, KS
Johnson County
Overland Park does not impose traditional municipal impact fees on residential ADUs. Costs are limited to building permit fees, plan-review fees, separate trade permits, and connection fees if a new water or sewer service is required (WaterOne for water, Johnson County Wastewater for sewer). Kansas law does not authorize school impact fees on residential development. Johnson County Appraiser will reassess the property after construction.
View full Overland Park rules →Shawnee, KS
Johnson County
No data available yet for Shawnee.
Key Facts Comparison
| Fact | Overland Park | Shawnee |
|---|---|---|
| Municipal Impact Fees | None for ADUs | - |
| Permit Fee Range | $400-$1,200 typical small ADU | - |
| Water/Sewer | WaterOne + JoCo Wastewater | - |
| Utility Charges | Only if new meter/tap | - |
| School Impact Fees | Not authorized in KS | - |
| Reassessment | Johnson County Appraiser | - |
Highlighted rows indicate differences between cities.
Overland Park FAQ
Does Overland Park charge impact fees for ADUs?
No traditional impact fees. Overland Park charges standard building, trade, and plan-review fees only, plus WaterOne connection fees and Johnson County Wastewater capacity fees if a new water meter or sanitary tap is installed. Kansas does not authorize school, parks, or transportation impact fees on residential development the way California or Idaho do.
How much will permitting an ADU in Overland Park cost?
Municipal permit costs typically total $800-$3,500 depending on size, trade permits, and whether new water/sewer service is installed. This excludes architect, engineer, and construction labor. The Johnson County Appraiser will reassess the property after construction, raising annual property tax based on the improvements.
Shawnee FAQ
No FAQs available.
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