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Olsen Infrastructure is a Sydney Water accredited Water Servicing Coordinator and Building Hydraulic Engineering Firm offering: Sydney Water Building Plan Approvals (BOS/BAS) Section 73 Compliance Certificates Water Servicing Coordination We offer sewer and water solutions for homes and residential developments as well as commercial and government construction projects.

Olsen Infrastructure Questions

The Olsen Infrastructure annual revenue was $5 million in 2026.

7 people are employed at Olsen Infrastructure.

Olsen Infrastructure is based in Castle Hill, New South Wales.

The NAICS codes for Olsen Infrastructure are [2379, 23, 237, 237990, 23799].

The SIC codes for Olsen Infrastructure are [16, 162].

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