Christus Hospitals
- Catholic hospitals in Beaumont and Port Arthur provide information about services and job openings, list affiliated physicians and news.
- http://www.christushospital.org/

Handbook of Texas Online
- Current and historical information about Jefferson County.
- http://www.tsha.utexas.edu/handbook/online/articles/JJ/hcj5.html

The Humane Society of Southeast Texas
- Includes adoption policies and application, pet care tips, calendar of events, membership information, volunteer opportunities, and donation information.
- http://www.petsforpeople.org/

The Political Graveyard: Jefferson County, Tex.
- Information about politicians that lived or died in the county.
- http://www.politicalgraveyard.com/geo/TX/JF.html

Amphibians and Reptiles in Jefferson County
- Texas Cooperative Wildlife Collection list of species found in the county.
- http://wfscnet.tamu.edu/tcwc/checklist/JEFFE123.HTM

Jefferson County Appraisal District
- Interactive site which allows searches of property tax records.
- http://www.jcad.org/

Jefferson County, Texas
- Access court agendas, profiles and dockets, phone directory, history, library services, health care, voter registration, county clerk, district clerk, filing fees, and employment opportunities.
- http://co.jefferson.tx.us/