About Us

Oak Tree Inspection Services (Otis) specializes in providing septic inspections & underground storage tank location services. Otis understands that the data from the collection of our inspections are the foundation of decisions made in our industry. Otis use’s efficient and responsible test methods. Clients include realtors, home buyers, engineering firms, insurance agencies, relocation companies and independent business owners. We serve Sussex County, Morris County, Warren County, Northern Passaic County and surrounding areas.

Our Services

Septic Inspection

A septic system plays a vital role in the overall performance of your plumbing system and since septic system is buried underground, a professional inspection is needed to thoroughly assess its condition.

Oil Tank Search

If you are in the market to purchase or sell a home, it is a good idea to have an oil tank search conducted to prevent any future problems that may arise. Find out the warning signs that a property has an undisclosed buried oil tank.