Curious about the paperwork for selling a house without a Realtor? This FSBO paperwork is needed as soon as you accept an offer, so it's useful to have a purchase agreement onhand that you can fill out quickly.Contact a local title agency. We aren't involving agents, and I need to draft a purchase agreement. Is my best option to approach a local attorney with real estate experience? There are standard real estate contract forms available online or even at your local office supply store. When it comes to filling out a real estate purchase agreement, several key players are involved: buyers, sellers, real estate agents, and attorneys. Seller shall sell to Purchaser and Purchaser shall purchase from Seller home located in. Mecklenburg County, North Carolina, with a street address of.