This Addendum is intended for use in the City of Oakland. Please also review the separate.THIS REAL ESTATE PURCHASE AND SALE AGREEMENT (this "Agreement") is dated as of. The owner must file a Property Owner Certification Prior to Move-Out Negotiations with the Rent Adjustment Program prior to entering into Move-Out Negotiations. You can locate Sample Contract Agreements on this page. Documents Sample Construction Agreement (PDF) Sample agreement to be used as a template. The sale of the Property will require.