| Business | Phone |
| Empire Mine State Historic Pk 10791 E Empire St, Grass Valley 95945 | (530) 273-8522 |
| Grass Valley Parks & Rcrtn 125 E Main St, Grass Valley 95945 | (530) 274-4390 |
| Parks & Recreation Dept 10556 E Empire St, Grass Valley 95945 | (530) 273-3884 |
| Parks & Recreation Dept 10912 E Empire St, Grass Valley 95945 | (530) 477-9248 |
| Parks & Recreation Dept 11397 Colfax Hwy, Grass Valley 95945 | (530) 272-5384 |