Those who seek a job path without attending a 4 year college, can consider Compliance Officer or Licensing Examiners. These positions require a technical school certificate or associates degree. The job prospects will be strong into the future as all industries need to have system of maintaining compliance and licensing.
Learning on the job is important in any profession, but it is specifically important when working as an inspector. Most positions in the field require only a high school education, but a license is often needed. There will always be a demand, as structures will always be a part of life.