McKinney ADU Permit Fees & Cost Calculator
McKinney appears to allow ADUs under city rules and uses a valuation-based building permit fee structure, with a stated minimum plan review/permit fee of $100. Exact ADU-specific fee totals were not clearly published in the available official sources, so several items need verification through the city permit schedule and utility providers.
Free ADU fee calculator
Estimate local ADU fees
Step 1 of 5: Location
The calculator uses staged city data from the ADUFee database with visible confidence levels and dated source tracking.
Fee overview
The exact valuation-based building permit rate table was not available in the official excerpts, so total fees cannot be calculated reliably.
ADU-specific utility tap, meter, capacity, or impact charges were not confirmed from official utility or city sources in the provided results.
A full fee estimate should still be verified with McKinney Building Inspections and the applicable utility provider before filing.
The user wants ADU-related permitting and pre-development fees, not construction costs.
McKinney's current permit fee structure remains materially similar to the cited ordinance and city web pages.
No separate school district or utility connection charges could be confirmed from the provided sources.
FAQs
Are McKinney ADU fee estimates official?
No. ADUFee.com provides planning estimates only. Final fees are set by the city, utility providers, school district, and other agencies.
What sources are used for McKinney?
The database stores city, state, utility, school, county, and other source links where available. Each estimate should still be verified locally.
Can ADU fees vary within Texas?
Yes. Permit, utility, school, inspection, and impact fees can vary by jurisdiction, parcel, project size, utility provider, and local interpretation.