Thunder Bay: questions buyers ask about the records
Each page names the public record that answers one question, where to read it yourself, and which OfferDue check reads it. What the records show, never advice.
Sources checked October 29, 2026
Thunder Bay at a glance
The town's local rules as pictures, from our hand-kept tables of its by-laws and pages and from its flood page. Each tile opens the page with the full wording, its source and the date we checked it.
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Property tax
1.92% of assessed value, 2026 residential rate
Read the question →0%2.32% (Chatham-Kent)7th highest of 61 towns. Lowest: Markham, 0.72%.
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Short-term rentals
- No short-term rental licence on the town's pages
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Conservation authorities in 2027
Read the question →Lakehead Region authoritybecomesNorthwestern Ontario Regional Conservation Authority
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A business run from home
- Up to 25%of the floor area
- 1 from outsidemay work there
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Water and sewer bills
- A bill every three months
How can I find recorded pits, quarries and petroleum wells near a Thunder Bay home?
Two provincial records: the Find Pits and Quarries map of licensed and permitted aggregate sites, and the petroleum wells dataset of wells drilled for oil, gas, salt or underground storage.
In the free check and the full report.
How can I find mapped railways, power lines and pipelines near a Thunder Bay home?
The Ontario Railway Network and the Ontario Utility Line dataset: provincial mapping of tracks and crossings, and of power lines, pipelines and other utility lines.
In the free check and the full report.
What records explain additional dwelling units at a Thunder Bay home?
Zoning By-law 1-2022 and the City's guide How to Create an Additional Dwelling Unit on Your Property, linked from its Building an ADU page.
In the free check and the full report.
What public rules cover short-term rentals in Thunder Bay?
The City's Municipal Accommodation Tax By-law 74/2018, as summarised on its Short Term Accommodation Operators page, and its business licensing page.
In the free check and the full report.
What is Thunder Bay's residential property tax rate for 2026?
The City's table of tax rates from 2000 to 2026, which lists each rate by property class.
In the free check and the full report.
Is a Thunder Bay address in a regulated flood area, and whose map says so?
The Lakehead Region Conservation Authority's mapping tool, screening maps and permit pages, under Ontario Regulation 41/24.
Public source; flood plain and regulated-area checks not included in OfferDue reports.
Who helps with a home in Thunder Bay
Every kind of business a home needs, by moment, and the local rules their work runs into, each with its source and the date it was checked.
Public-record information, not legal, financial, insurance or inspection advice. Records change and can be incomplete, and these pages describe the records, not any particular home. What we cover, city by city.