The average custodial salary at Comal Isd was $24,025 , which is 9 percent lower than the average salary for this job in Texas, and 27 percent lower than the national average for this job . Custodial salaries at Comal Isd typically range from $21,159 to $25,363 (25th to 75th percentile). The highest reported custodial salary was $42,556. There are 135 employees at Comal Isd with the job title custodial.