According to Washington State law, is there a min. time period that is required to present a a new commercial lease?

The tenancy ends whenever the term of the lease ends. Unless a lease expressly grants a right, a tenant does not have any right to hold over for even one minute. When the term ends, it ends. However, you should talk to your landlord, explain the situation and ask for an extension if you cannot negotiate a better new lease.

You should consult an attorney about your specific situation. A good real estate attorney can help you negotiate better terms, especially in the current market.

PLEASE BE ADVISED: This answer and any information contained herein is not intended to be treated, and should not be construed, as legal advice. Rather, this answer is offered solely for general information purposes. This answer does not create an attorney-client relationship, nor does it create any kind of legal relationship, duty, or privilege. This attorney is licensed only in Washington.