Contact Form

Contact Us

In order to help you more quickly, please fill out the quick form and submit.

  • This field is for validation purposes and should be left unchanged.


  • The Sacramento County Deputy Sheriffs' Association has utilized the services of Mastagni Holstedt, A Professional Corporation for over 30 years. During my tenure as Association President there has not been one situation that the firm could not handle... Read more >

Contact Us

Mastagni Holstedt, A Professional Corporation
QR Code
Northern California Location
1912 I Street
Sacramento, CA 95811
916-446-4692 Phone
916-447-4614 Fax
Twitter Blog  Facebook
Southern California Location
9327 Fairway View Place, Suite 304
Rancho Cucamonga, CA 91730
909-477-8920 Phone
Other Locations in Whittier, Chico, Stockton and San Jose

Mobile App

The Mastagni Law Firm provides first responders and private citizens with helpful resources and emergency tools to assist with on-the-job injuries and life-changing events.

Download the Android App

Download the iPhone/iPad App

Mobile App Screenshots

App Features

  • Accident log to record pertinent information at the scene of a vehicle accident
  • Ability to capture photos of accident scene and vehicle damage
  • Medical log: In the event you are injured, an automated calendar will keep track of your doctor appointments and dates; allows for notes on medical recommendations
  • 24-hour access to call our attorneys to report a critical incident
  • Exposure report to submit to our attorneys in the event you have been exposed to a potentially hazardous element
  • Helpful resources on contract negotiation
  • Contact form to submit to our attorneys

For decades, we have been assisting police officers, firefighters, and other safety workers in matters ranging from internal discipline and criminal defense to wage and hour, disability, and workers’ compensation claims. Our Sacramento law firm also represents their unions and labor associations in collective bargaining contract negotiations and other matters.

For decades, the Sacramento law firm of Mastagni Holstedt, A Professional Corporation has served clients throughout California in a wide range of civil law matters, including labor and employment law, wage and hour litigation, personal injury, workers’ compensation, disability retirement, Social Security disability appeals, and public employment contract negotiations.