The average custodial salary at El Paso Isd was $21,139 , which is 20 percent lower than the average salary for this job in Texas, and 36 percent lower than the national average for this job . Custodial salaries at El Paso Isd typically range from $17,682 to $22,867 (25th to 75th percentile). The highest reported custodial salary was $89,359. There are 496 employees at El Paso Isd with the job title custodial.