About Zilka Design LLC

Jonathon Zilka grew up in Portland, and has been helping homeowners turn their dreams into habitable additions for over 20 years. Whether you’re looking to rebuild a garage, add a second floor, vault a ceiling, or build an ADU, Jonathon’s understanding of codes, engineering requirements, and builders’ expectations will help the whole project run more smoothly.

Phone: 503-380-4556

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