Caution Updated:

  • New! The Bow River is exceeding safe flow rates for boating and swimming. The Calgary Fire Department has issued a boating advisory. For your safety, stay off the river. Learn more

If you are the owner of a newly constructed home, you may be required to plant and maintain trees on your property in both established and new neighbourhoods.

For permitted developments, which means that your home meets all the rules of the Land Use Bylaw, you must plant required trees within a year and maintain those trees for a minimum of two years after a development completion p​ermit has been issued. Trees can be existing or new plantings.

Number of trees you’re required to plant on your property

Home typeParcel widthRequired treesSize
Single detachedOver 10 metres350 mm diameter
Single detached10 metres or less250 mm diameter
Semi-detachedN/A2 per unit50 mm diameter

To encourage the preservation of mature trees, existing deciduous or coniferous trees of the following minimum size are counted towards fulfilling the requirement:

  • 50 mm diameter or three metres high = One tree
  • 85 mm diameter or four metres high = Two trees

If you're looking for yard maintenance, please visit bylaws related to yards.

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This information has no legal status and cannot be used as an official interpretation of the various bylaws, codes and regulations currently in effect. The City of Calgary accepts no responsibility to persons relying solely on this information. Web pages are updated periodically. ​