Weba certified occupational therapy assistant makes a national average salary of $69,730 per year. Keep in mind that your salary may differ based on your geographic. Webthe average salary for an occupational therapist assistant is $74,804 per year in us. Click here to see the total pay, recent salaries shared and more! Webaccording to the us bureau of labor statistics, the median annual salary for otas in the united states is $61,880, with the lowest 10 percent earning less than $41,620 and the. Webhow much does an occupational therapy assistant make in the united states? The average occupational therapy assistant salary in the united states is $63,843 as of. Webthe average occupational therapist assistant salary is $68,716 in the us. Salaries for the occupational therapist assistant will be paid differently by location, company, and other.