A Little About Us
The Locksmith Service You Can Depend On
M4 Lock & Safe has been a reliable San Francisco Locksmith Service since 2000. Being a great service provider means having complete and total confidence in the people providing those services, and we’re proud to have the best pros in the business working with us. With a focus on personalized service, competitive rates, and customer satisfaction, we’re always striving to meet and exceed our high standards and our clients’ expectations.