Contact Us

Marsh Mastering is located in the Hollywood Hills of Los Angeles California, minutes from the Hollywood Walk of Fame.
Our facility features natural light, a cozy musician's loft and an atmosphere that is private, professional and creative. Gourmet coffee service, beverage service, light snacks and WiFi are provided as a courtesy to our in-studio guests.  Attended sessions are by appointment only, please use our quote form for scheduling inquires.
For price quotes, to make payments or
send us files for mastering, please visit our Online Services page.
If you have technical questions, please review our FAQ.
For general emails please email
Stephen Marsh direct.
  • e32b51_3ce16059f9f9426c9c8e4cc9f93a7daf
  • glossy-silver-instagram-icon