Laboratory Technologists in Arcadia, CA, often earn the highest salaries among related roles, with an average of $120,963 annually. This position involves conducting complex tests and analyses in medical or research labs. A Laboratory Assistant earns around $56,180, supporting these tests and ensuring equipment is clean and ready. Phlebotomists, who specialize in drawing blood for tests, tests, or donations, typically make about $50,201 per year.