avg property management fee?

[Beau Ordemann]

I'm looking to understand property management overall commission as a %of rent. I currently pay about 14-16% after you take into account tenant placement fee (1 month rent), account start up fee, monthly fee, renewal fee (if tenant stays). seems like a lot. But wanted to get feedback from this group. I'm in the Baltimore County area, but interested in feedback on general regardless of market. thanks!