What is a Certificate of Appropriateness?
A Certificate of Appropriateness (COA) is a letter which approves proposed exterior architectural changes to buildings located within the city’s "H" Overlay and Commercial Historic Districts. An approved COA is required prior to being able to pull building permits and commencing work. A COA is required for all proposed exterior alterations, new construction and demolition within McKinney’s locally designated historic districts. Painting and routine maintenance do not require a COA. Please check with the Historic Preservation Officer whether or not your project would be considered routine maintenance. Please note that although we do not control whether you paint brick, we recommend that you not do so unless the brick has already been painted. Painting brick shortens the brick’s life expectancy and creates a maintenance issue for a future owner.

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1. What is a Certificate of Appropriateness?
2. Is there a fee for a Certificate of Appropriateness?
3. Why is a Certificate of Appropriateness needed?
4. When Is a Certificate of Appropriateness needed?
5. How do I obtain a Certificate of Appropriateness?
6. What needs to be included when submitting a Certificate of Appropriateness?
7. What happens to my application after it is submitted?
8. May I paint my house any color I want?
9. Do I need permission to perform ordinary maintenance?
10. Does every change to my property require a Certificate of Appropriateness?
11. May I put an addition on my historic property?
12. Where can I receive help designing an addition for my house?
13. If I have more questions, whom should I talk to?