Birdsmouth Build-Ability

St. Catharines

Ontario

St. Catharines

Find a property

Search by address to view zoning, setbacks, and buildable area.

Frequently Asked Questions

Can I build a garden suite in St. Catharines?

Garden suites (also called accessory dwelling units or ADUs) are permitted in many residential zones in St. Catharines. Eligibility depends on your lot size, zoning classification, and setback requirements. Use the Birdsmouth Build-Ability tool to check your specific property.

How do I find the zoning for my property in St. Catharines?

Search for your address on this page to instantly view the zoning code, zone label, and lot area for any property in St. Catharines. Detailed setback and buildable area analysis is available to registered users.

What are the setback requirements in St. Catharines?

Setback requirements in St. Catharines vary by zoning district and building type. Front, rear, and side setbacks are defined in the municipal zoning bylaw. The Birdsmouth Build-Ability map shows exact setback lines overlaid on your property.

Does my property in St. Catharines qualify for an accessory dwelling unit (ADU)?

ADU eligibility in St. Catharines depends on your zoning code, lot area, existing building footprint, and applicable bylaw rules. Enter your address above to see your property's zoning details, then open the Build-Ability map for a full compliance analysis.

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City of St. Catharines

City
Mayor
Mat Siscoe
Land Area
97 km²
City Hall
50 Church StreetL2R7C2
Population (2021)
136,803

Population Trend

131k1996
129k2001
132k2006
131k2011
133k2016
137k2021

5,877 (+4.5%) since 1996