What are the rules for a hot tub in Sherbrooke?

The rules, in short

• Hot tub (with platform and shelter): in the rear and side yards and setbacks, at least 0.9 m from a lot line; secondary front yard allowed at least 3 m from the street line. (art. 4.2.28, 1) and 2))
• A rigid cover with a lock is mandatory when the hot tub is not in use. (art. 4.2.28, 5))
• A hot tub of more than 2,000 litres must meet Québec's Regulation respecting residential swimming pool safety. (art. 4.2.28)
• The permit application covers pools and hot tubs of more than 2,000 litres. (City permit application)

Summary by Radar Foncier, in our own words: the official French text of the by-law, linked above, prevails.

Applying in Sherbrooke

• Processing time: Permit issued in 30 minutes at an in-person appointment if the documents are complete (pool, accessory building); no processing time published for other methods
• Cost: Accessory building (residential): $76.25 for $0 to $5,000 of work, plus $2.50 per additional $1,000; other permits and certificates under By-law 1202
• Urban planning department: Borough inspectors' offices (e.g. Des Nations borough, 731 Galt Street West, suite 200: 819 821-5905)
• Permits on the municipality's website