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All dogs 4 months of age and older must be licensed with Fairfax County and must be licensed annually.
Payment for your new or renewed license is due by January 31st. If you are licensing for the first time, you must purchase a license when obtaining a dog over the age of 4 months by January 31st. Licenses are valid through December 31st each year.
All licenses are valid through December 31st and must be renewed annually by January 31st.