The Builder

James Mangleson is the Owner of JSM Construction and established the business in 2008. James is a builder who is passionate about the building industry and has over 16 years of practical experience in the residential construction, primarily working on high-end properties and architecturally designed homes and renovations.

Throughout his building career, James has acquired extensive industry and technical knowledge in residential construction, a high level of professional standards, an eye for detail, an exceptional standard of quality craftsmanship and strong project and client management skills.

He is also a member of the Master Builders Association of NSW.


James aims to provide a more personalised service than other builders. He is a people person, relates well with clients and genuinely cares about achieving the best possible result for them.

From the initial meeting he makes an impact and quickly develops a strong rapport and working relationship with his clients.

James guarantees that he will oversee and closely manage the construction of each project to ensure that JSM Construction will deliver an exceptional standard of workmanship, detail and finish on every project.  James thoughtfully plans each project and manages his skilled team of trades to ensure that each project runs smoothly, efficiently and on time.

James has built JSM to what it is today and is proud of its reputation and remains committed to offering the highest level of quality and service.