Newmarket: 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 28, 2026
Newmarket 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
0.92% of assessed value, 2026 residential rate
Read the question →0%2.32% (Chatham-Kent)8th lowest of 61 towns. Lowest: Markham, 0.72%.
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Extra units
Up to 3 homes on a lot
Read the question → -
Trees
20 cm across: the trunk size the rule names
Read the question → -
Short-term rentals
- A licence, permit or registration is needed
- Only a home someone lives in
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Conservation authorities in 2027
Read the question →Lake Simcoe Region authorityjoinsLake Huron Regional Conservation Authority
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A business run from home
- Up to 35%of the floor area
- 2 from outsidemay work there
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Water and sewer bills
- A stormwater charge of its own
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Rental licensing
- Extra units must be registered
Is a Newmarket address in the Greenbelt or the Oak Ridges Moraine?
The Oak Ridges Moraine Conservation Plan's land use designation and boundary maps, the Province's Greenbelt maps, and the Town's Official Plan, which keeps Official Plan Amendment 28 for the moraine lands.
In the free check and the full report.
How can I find recorded pits, quarries and petroleum wells near a Newmarket 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 Newmarket 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 residential units at a Newmarket home?
By-law 2026-10, which amends Zoning By-laws 1979-50, 2010-40 and 2019-06 for additional residential units, and the registration By-law 2013-13, as explained on the Town's additional residential unit page.
In the free check and the full report.
What does Newmarket's tree by-law cover on a private lot?
The Town's Private Tree Protection By-law 2022-10, as summarised on its private tree removal page.
In the free check and the full report.
What public rules cover short-term rentals in Newmarket?
The Town's Business Licence By-law 2020-31, as summarised on its short-term rental operator page, and Municipal Accommodation Tax By-law 2024-68.
In the free check and the full report.
What is Newmarket's residential property tax rate for 2026?
The Town's 2026 property tax rate schedule, which lists the Town, Region and school rates for each property class.
In the free check and the full report.
Is a Newmarket address in a regulated flood area, and whose map says so?
The Lake Simcoe Region Conservation Authority's regulation map viewer and permit pages, under Ontario Regulation 41/24, which the Town's Official Plan names as the detailed mapping of hazard lands.
Public source; flood plain and regulated-area checks not included in OfferDue reports.
Who helps with a home in Newmarket
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.