At age 15 and 6 months, individuals are eligible for a learner's permit. Permit holders must hold it for at least 6 months, and must practice driving for at least 50 hours, including 10 hours at night.The rules allow the renewal of an expired permit for up to two years after it was initially issued and it can be renewed for a maximum of one year. After that, he will have to start the process over again and retake the knowledge exam. The fee for a renewed learner's permit is $6.50.Generally, you cannot renew a permit. If it expires, you must apply for a new learner permit at a DMV office and take your written test again. ... You may be able to renew your 1-year permit for an additional year.Anyone 18 years of age or older must obtain an adult learner's permit before obtaining a driver's license. An adult learner's permit is valid for two years. ... The adult learner's permit must be held for at least 90 days prior to taking the on-the-road skills test and is required to practice driving on the road.Driving without a license or permit can become an issue if you've chosen a government-owned property to practice your skills. However, supervised lessons on a privately-owned lot are generally permissible and shouldn't land you in any legal trouble.