The average custodial salary at Columbus Isd was $18,882 , which is 28 percent lower than the average salary for this job in Texas, and 43 percent lower than the national average for this job . Custodial salaries at Columbus Isd typically range from $16,832 to $20,183 (25th to 75th percentile). The highest reported custodial salary was $22,342. There are 10 employees at Columbus Isd with the job title custodial.