A Mechanical Permit is required prior to conducting any mechanical work such as heating, duct-work, or cooling. All mechanical work requires an approved permit by the Building Inspections Division.
The following is required prior to issuance of a Mechanical Work Permit:
You can apply online for a permit through the City of Grand Prairie's Customer Self-Service portal . First time users will need a valid email address to set up an account. It takes about 5 minutes to create a new account.
After completing the online application, permits are processed in approximately 5-10 business days. Depending on updates needed from the applicant, as this can result in longer approval times.
You are welcome to call or visit in person for help submitting your online application.
City Hall - Building Inspections Division
300 W. Main Street
Grand Prairie, Texas 75050
8:00 a.m.- 5:00 p.m. Monday - Friday
Physical Address:Building Inspections Division
300 West Main St.
Grand Prairie, TX 75050
Building Inspections Division
P.O. Box 534045
Grand Prairie, TX 75053
Schedule inspection for current project
Schedule inspection for legacy project (prior to August 2021)
Mon-Fri 8 a.m.-5 p.m.