I just finished filing my taxes, early for this year. How do I check if my refund, once approved, will be garnished or offset at all?

Any tax refund offset will be shown on the IRS website for the status of a federal tax refund - https://www.irs.gov/refunds

Go to this IRS Tax Topic for Reduced Refunds - https://www.irs.gov/taxtopics/tc203