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Last reviewed: March 2026
Small Business Legal FAQs
Washington state does not require LLCs to have a written operating agreement, but you probably should have one anyway. Without it, your business is governed by state default rules that may not reflect what you and your partners intend, and disputes get expensive fast. If you’re the only member of your LLC, a written operating agreement can reinforce the company’s status as a separate legal entity, which better protects the owner’s personal assets from business liabilities.
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