The average custodial salary at Navarro Isd was $23,769 , which is 10 percent lower than the average salary for this job in Texas, and 28 percent lower than the national average for this job . Custodial salaries at Navarro Isd typically range from $20,786 to $25,705 (25th to 75th percentile). The highest reported custodial salary was $36,230. There are 14 employees at Navarro Isd with the job title custodial.