Additional Residential Units and Rental Premises Dashboard

The following open data includes information about units that have been legally recognized by the City of Peterborough through licensing and/or building/fire inspection either through business licensing (small and large rental dwelling units and lodging houses) or issuance of a building permit in the case of ARUs (Additional Residential Units or Accessory Apartments).

The data is currently limited to those units created, recognized or licensed in 2025. The City intends to expand this data to capture ARUs and Accessory Apartments created/recognized since 2018. Please note that the City's Business License By-law 17-067 requires all Small Rental Dwelling Units, Large Rental Dwelling Units, Large Lodging Houses and Small Lodging Houses to be licensed annually.

Definitions

Dashboard

Search the interactive map below or open the ARU dashboard in a new window.

Definitions

The following definitions apply:

Additional Residential Unit (ARU) means a self-contained residential unit with a private kitchen, bathroom facilities and sleeping areas within dwellings or within structures ancillary to a dwelling. Additional Residential Units are also referred to as second units, basement apartments, accessory apartments, granny flats, in-law apartments or nanny suites.

Accessory Apartments means an ARU that existed as of November 16, 1995 and may be exempt from having to comply with City's Zoning By-law regulations related to ARUs in accordance with Ontario Regulation 384/94 (Apartments in Houses)

Lodging House, Large or Large Lodging House means a type of Dwelling Unit containing between 11 and 30 Bedrooms which does not function as a single housekeeping unit.

Lodging House, Small or Small Lodging House means a type of Dwelling Unit containing five but no more than 10 Bedrooms which does not function as a single housekeeping unit

Rental Dwelling Unit, Large or Large Rental Dwelling Unit means a type of Dwelling Unit offered for Rent containing five or more Bedrooms which functions as a single house-keeping unit.

Rental Dwelling Unit, Small or Small Rental Dwelling Unit means a type of Dwelling Unit containing four Bedrooms, of which one to four Bedrooms are offered for Rent.