| Business | Phone |
| Sebastian Building Dept 1225 Main St, Sebastian 32958 | (772) 589-5537 |
| Sebastian City Garage 100 Veterans Memorial Way, Sebastian 32958 | (772) 589-1295 |
| Sebastian Code Enforcement 1225 Main St, Sebastian 32958 | (772) 589-5518 |
| Sebastian Contractors License 1225 Main St, Sebastian 32958 | (772) 388-8245 |
| Sebastian Sign Shop 1130 Louisiana Ave, Sebastian 32958 | (772) 388-3339 |