(Seller) and Tishman Speyer Development Corporation (Buyer) Edit, sign, and share california purchase sale agreement online.No need to install software, just go to DocHub, and sign up instantly and for free. Real Estate File No: 4026-57.3. 1. Enter Buyer and Seller's information. Once completed, note the SST number and come into our office to finish the process. You must submit a paper filing and a supplemental form to the Assessor's Office. Both forms are on our e-filing site. The License Agreement at the Closing and have it recorded in the Office of the County. All rights reserved.