Hey Buddy Buck here! Nearly all real estate sales in Washington State require a seller disclosure statement, also known as Form 17, to be given to the buyer.The Seller Disclosure Statement in Washington (aka Form 17) is a mandatory form all sellers must complete and give to their buyers. Edit, sign, and share form 17 seller disclosure statement pdf online. No need to install software, just go to DocHub, and sign up instantly and for free. I am An Heir, Does A Personal Representative Need To Submit A Seller Disclosure Form 17 On The Sale Of Real Property? Selling Homeowners MUST complete: Residential Property Disclosures Acknowledgement Form. Important Information for Purchasers. NEW! Does the owner of a manufactured home that sits on leased land have to fill out Form 17 in Washington State? Handling documents with our extensive and intuitive PDF editor is straightforward.