| Business | Phone |
| Lachute Garage Municipal 507 Rue Catherine, Lachute J8H 1G9 | (450) 562-3781 |
| Argenteuil Municipalite Office 430 Rue Grace, Lachute J8H 1M6 | (450) 562-2474 |
| Lachute Police 412 Rue Principale, Lachute J8H 1Y2 | (450) 562-2442 |
| Lachute Incendie-Admin 90 Av Barron, Lachute J8H 4N2 | (450) 562-4907 |