The average custodial salary at Laredo Isd was $23,403 , which is 11 percent lower than the average salary for this job in Texas, and 29 percent lower than the national average for this job . Custodial salaries at Laredo Isd typically range from $19,906 to $25,147 (25th to 75th percentile). The highest reported custodial salary was $84,630. There are 250 employees at Laredo Isd with the job title custodial.