A Licensed Site Professional must renew his/her license every three (3) years. A LSP must earn forty-eight (48) continuing education credits. Twelve (12) of the forty-eight credits must be earned by attending LSP Board-approved MassDEP courses. An additional eight (8) credits must be regulatory credits. Continuing Education credits may be earned at any time throughout the three years. Although we suggest that you not wait until your third year to begin earning credits.