This year MySchoolBuilding changed how you login to the site. If you have previously used it, then click the Forgot Password(you did not have a password in the past) link and it will email you a password reset link.
If you have never used MySchoolBuilding before, then you must create an account, click on the Register Here link and complete the registration form.
You will need to enter the HCST account number: 561225112
Fill out the form and enter the submittal password which is: HCST
Below is a screenshot of the Maintenance Request form.