The best thing to do is to contact agents in your area to see what they would charge. There are no set commission rates but generally in the Puget Sound area commissions vary from 5%-7%
I could do a CMA on your home for you. There is no charge for it. Please call me at 360-620-1398 or email me at email@example.com . I look forward to hearing from you.
You can find a local Real Estate Agent to do a CMA for you (Comparative Market Value)