John Boldt Builders Ltd.
Regulated licenceGeneral ContractorsSaint Catharines, ON
General ContractorsResidential Builders
Home Construction Regulatory Authority · #B12653 · Licensed builder/vendor
Last seen May 15, 2026
ON
Saint Catharines, ON Contractors
Search 2 official-source contractor records in Saint Catharines, Ontario. Filter by trade, source type, and direct contact availability.
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Kostecky Custom Construction
Regulated licenceGeneral ContractorsSaint Catharines, ON
General ContractorsResidential Builders
Home Construction Regulatory Authority · #B27744 · Licensed builder/vendor
Last seen May 15, 2026