| Business | Phone |
| Mason County 911 Coordinator 201 Fort Mckavit St, Mason 76856 | (325) 347-9113 |
| Mason County Appraisal Dist 200 Fort Mc Cavett St, Mason 76856 | (325) 347-5989 |
| Mason County Extension Agent 206 Bryan St, Mason 76856 | (325) 347-6459 |
| Mason County Justice Of Peace 201 Fort Mc Kavitt St, Mason 76856 | (325) 347-5412 |
| Mason County Road Adm 604 Airport Rd, Mason 76856 | (325) 347-8255 |
| Mason Senior Ctr Historical Bldg, Mason 76856 | (325) 347-6242 |
| Mason County Treasurer's Ofc 201 Fort Mckavit St, Mason 76856 | (325) 347-5251 |