A warranty deed and a quit claim deed are both legal documents that can be used to transfer ownership of real property. Quit claim deeds operates, in effect, as a release of whatever interest the grantor has or may have in the property.A warranty deed transfers the property in its entirety. Warranties and protection – Quitclaim deeds provide zero warranties or protection for the grantee. A quick claim deed is essentially a document that is used to transfer the ownership of real estate from one person or entity to another. An Illinois Quitclaim Deed conveys whatever ownership the Grantor has in the property to the Grantee without any warranties. A quitclaim deed is also called a nonwarranty deed and is the least safe form of title transfer, while a warranty deed is the safest. A quitclaim deed conveys whatever interest the Grantor has in the property, if there really is any interest, and may not be a deed with any effect at all. A quitclaim deed essentially says, "I may or may not have any ownership interest in this property, but if I do I am transferring it to you. Without a Warranty Deed, the buyer has limited recourse in holding the seller liable for the unpaid mortgage.