Test-Only emissions testing station

Local drivers who need a passing test to renew their registration, plus used-car buyers, small dealers and fleet owners.

A fee per test, usually set or capped by the state program. Some stations add a retest fee and sell related services where the rules allow.

• Comfortable with vehicles and diagnostic equipment
• Careful record keeping and following procedures
• Friendly, patient customer service

• Many states have no emissions program, and some only test in certain counties, so check yours first
• Some programs use state-run or single-contractor stations and issue no private licenses, so confirm that new stations are allowed
• Station, equipment and inspector licensing, training and recertification requirements
• Strict rules on test procedures, with penalties or loss of authorization for errors or fraud
• General liability, garagekeepers and workers' compensation insurance if you hire
• Zoning and business license rules for your site, which you can check with your city or county

Estimates suggest startup costs typically around $50,000 to $150,000, depending on your site, equipment and state requirements. Monthly revenue is estimated at about $6,000 to $30,000. Get equipment quotes and check your state's rules before committing.

Not necessarily. Many states have no emissions program, and some only test in certain counties, so check yours first. Some programs use state-run or single-contractor stations and issue no private licenses, so confirm that new stations are allowed.

Check station, equipment and inspector licensing, plus training and recertification requirements. Review the strict test-procedure rules, since errors or fraud can bring penalties or loss of authorization. Also check insurance, zoning and business license rules for your site.