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Montréal is at the maximum alert level. Curfew in effect from 8 p.m. to 5 a.m. Stay informed

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Professional practice

An office is allowed in a residential building if the tenant or owner is a member of a professional corporation. The number of people allowed to work in a residential building is limited to one employee in addition to the professional. The purpose of these restrictions is to preserve the tranquillity of the neighbourhood.

1. Download the form, read it carefully and fill it out.

2. Bring this form, along with a copy of the company's corporate declaration or certificate of incorporation as well as a cheque for the amount indicated on the form (made payable to Ville de Montréal – Saint-Laurent), to the following location: 

Direction de l'aménagement urbain et des services aux entreprises
Division des permis et des inspections

777, boulevard Marcel-Laurin
Saint-Laurent (Québec) H4M 2M7
Renseignements : 311
Télécopieur : 514 855-5959

Business hours:
Monday to Friday, from 8:30 a.m. to 12 noon and from 1:00 p.m. to 4:30 p.m.