What is an over-improvement?
"An improvement that does not represent the most profitable use for the site on which it is placed because it is too large or costly and cannot develop the highest possible land value; may be temporary or permanent. Can be considered a superadequacy and measured accordingly in estimating depreciation " - The Dictionary of Real Estate Appraisal, 4th Edition
Basically, it is when the improvement is too large or costly and would not sell for what was spent in cost.
Ways to Over Improve:
1. Adding Too Much Living Area- If you add too much square fo…