J.S.
I know he may be a little too old, but you can go to new moms group at the Fairview Wellness center, on Wooster and center ridge. I believe they meet on tuesday mornings. That is where i found my awsome moms group for our 3 year old boys.
Good luck and welcome to the area.
Also try MOPS (mother's of pre-schoolers) They are national and i know they have several chapters in the area...they have a website, but not sure of address.