Livermore is generally a very safe city in California. It has a low crime rate compared to the national average, with incidences of violent crimes being less common. However, like any city, it's always important to take precautions to ensure personal safety. The city is persistent with their initiatives in ensuring the safety and security of everyone by having an active police force. As a solo traveler, staying in well-lit areas and avoiding walking alone late at night is a good practice to uphold while here.