Residential Renovation Permits in Thunder Bay: 133 Permits in Twelve Months

The City of Thunder Bay issued 133 permits for renovations, additions and alterations to houses and apartment buildings from October 2025 to September 2026, 29 of them in the quarter to September. Builtie reads the permits, estimates each project's stage and attaches the builder or general contractor with a verified decision maker.
The same four steps, whether the buyer is a builder, a designer, an owner or a company you want to acquire.
How many residential renovation permits Thunder Bay issued
| Measure | Thunder Bay |
|---|---|
| Permits issued, October 2025 to September 2026 | 133 |
| July to September 2026 | 29 |
| April to June 2026 | 46 |
| Share of Thunder Bay's classified permits | 38% |
| Busiest month | June 2026 (18) |
| Rank among 21 markets | 18 of 21 |
This counts permits for renovations, additions and alterations to houses and apartment buildings that Builtie classifies as residential renovation. The quarter to September was down 37% on the quarter before.
Permits issued per month, read October 9, 2026 from Builtie's permit data.
The largest markets for residential renovation, read October 9, 2026.
Who decides on residential renovation in Thunder Bay
The homeowner decides on most residential renovations, often through a renovation contractor or designer who then hires the trades; on apartment buildings the owner or property manager decides.
Trades these projects buy, and how many are open now
Each trade is bought at its own stage of the build. These are the trades residential renovation projects lean on, with the projects in Thunder Bay still inside each trade's award window today:
| Trade | Projects in its award window now | Award window |
|---|---|---|
| Electrical | 87 | 20% to 45% |
| Plumbing | 86 | 20% to 45% |
| HVAC and Mechanical | 87 | 20% to 45% |
| Drywall | 76 | 35% to 60% |
| Flooring | 60 | 50% to 70% |
| Tile | 60 | 45% to 65% |
| Cabinetry and Millwork | 58 | 50% to 70% |
| Countertops | 56 | 55% to 75% |
| Painting | 93 | 5% to 35% |
| Windows, Doors and Glazing | 81 | 15% to 35% |
What the Thunder Bay data covers
The data is Thunder Bay's own building permits. Neighbouring cities issue their own permits and are not in this count.
Other building types in Thunder Bay: new residential construction, commercial renovation.
Every trade: Thunder Bay construction leads by trade.
Plans
Builtie's Starter plan is $79 per seat per month (CAD) for 20 projects; Growth is $99 for 50 projects and adds the LinkedIn and email outreach you run yourself. Opening a project spends one credit, and the decision makers, emails, phones and AI call script inside it are included. Your monthly credits reset at each renewal, and extra credit packs are valid for 30 days. The free trial runs 7 days with 10 projects. Custom, where Builtie's team runs the outreach for you, starts from CAD $1,500 a month on top of a Growth seat.
Frequently asked questions
How many residential renovation permits were issued in Thunder Bay in the last year?
133 from October 2025 to September 2026, 29 of them from July to September 2026, read October 9, 2026.
Who awards the trades on residential renovation projects?
The homeowner decides on most residential renovations, often through a renovation contractor or designer who then hires the trades; on apartment buildings the owner or property manager decides.
How do I find residential renovation projects in Thunder Bay before they are awarded?
Work from the building permits: Builtie reads the City of Thunder Bay's permits, estimates each project's stage and shows the ones still inside your trade's award window, with the builder or general contractor and a verified decision maker.
What does Builtie cost?
Starter is $79 per seat per month for 20 projects; Growth is $99 for 50 projects and adds LinkedIn and email outreach. There is a 7-day free trial with 10 projects.
