Sky Onion Mastering

Sky Onion Mastering is located in the Sellwood/Westmoreland neighborhood of SE Portland, Oregon. The studio offers top-notch mastering for CD, vinyl, digital, and cassette at affordable rates for independent musicians and record labels. If you're in the Portland area, I invite you to come take a look, listen to your mixes on my speakers and discuss your project. If you're out of town, send an email to or call me any time 503-679-7359.