The vast majority of states the United States employ a system of recording instruments that affect the title of real estate as the means for publicly documenting land titles and interests.

This system differs significantly from land registrations systems, such as the Torrens System that have been adopted in a few states. The principal difference is that the recording system does not determine who owns the title or interest involved. That determination is ultimately made through litigation in the courts. What the system does do is to provide framework for determining whom the law will protect with relation to those titles and interests when a dispute arises.

Creation

The recording systems are established by state statute. They usually provide for the office of a recorder in each county or other jurisdiction. The names of these offices are usually the "Recorder of Deeds" or something similar. State statutes also prescribe the following elements:

1. What instruments are entitled to be recorded. Usually deeds, mortgages (whether or not in the form of deeds of trust), leases (usually longer term varieties), easements, and court orders. There is generally added to these a catch-all category of "other instruments affecting the title to real estate." These statutes also list technical requirements, such as whether acknowledgements before a notary public are required (the great majority) or witnesses must also sign the document (rarer).

2. The effect of failure to record. This is usually stated: Deeds (etc.) that are not recorded are void as against purchasers for valuable consideration without knowledge of their existence.

3. The procedure for indexing instruments presented for recording. Overwhelmingly, this is the creation of an index based on the names of the grantors (the persons conveying the interest) and of the grantees (those receiving the interest). This is called the grantor-grantee index. Also included are the dates the instruments are recorded. Many, if not most, such systems keep separate indexes for deeds and mortgages. There are also systems for indexing judgment liens in which the judgment debtor and the judgment creditor are listed in the same way as grantors and grantees, respectively.

A few state laws require the creation of a tract index.^[2] This requires the employees in the recorder's office to make a determination of which property is affected by the instrument and to index it by the legal description of that property. This is not widely practiced because of the increased cost, the greater probability of error and, possibly, the abstractors' and title insurers' lobbies in the legislatures. (Abstractors and title insurers have spent vast amounts of money creating "title plants" that reindex the recorded documents according to the tracts they affect for greater efficiency in title searching.)