The Texas General Land Office sells research guides highlighting Spanish and Mexican land grants in South Texas and catalogues for the Spanish Collections.
An interactive search of the Land Grant Database provides access to more than 2.5 million full-color scanned documents, as well as basic information on all documents constituting the Land Grants of the General Land Office. Detailed research on nearly 45,000 Land Office maps, sketches and drawings ― some dating back more than 300 years ― can be done on the Searchable Map Database. You can also easily search for ancestors with the alphabetized GLO Surname Index.
Helpful information for effective research at the Land Office is in the Helpful Info on the right-hand column of this page.
Research assistance is also available upon request.
Reminder: Check Online First!
More than 2 million documents in the Archives and Records of the Land Office are available online and in full-color PDF format, available for download for free. Almost all maps are available for viewing online, many with zooming capability to examine in greater detail.
Research tips when Visiting the Texas General Land Office Archives: