Petaluma, California, is generally considered safe, especially during daylight hours. Residents appreciate its small town charm, friendly locals, and low crime rates. Like any city, however, it can have occasional incidences of crime. So, it is recommended to follow standard safety precautions such as staying in well-lit areas, not divulging personal information to strangers, and avoiding deserted or sketchy areas, especially at night. All in all, solo female travelers should feel comfortable exploring Petaluma.