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911 Addressing & GIS Mapping


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Welcome to Trinity County!


The GIS & 911 Addressing Office is responsible for coordinating with various organizations in the public and private sectors to identify, establish, and/or correct the valid physical addresses of homes and businesses within Trinity County. Additionally, the office constantly monitors, maintains, and seeks to improve the county’s geospatial (GIS) data and abilities to help reach county goals and objectives.

Office hours:  Monday – Thursday 7 a.m. – 5 p.m.

162 W 1st St - 2nd Floor
P O Box 484
Groveton, Texas 75845