Efficient Building Design Services

Register verified

Builder · Tenterfield, NSW

Efficient Building Design Services is a building business based in Tenterfield, NSW, holding a licence on the QBCC register (Building Design - Open). Its ABN is active on the Australian Business Register.

Verified business details

ABN: 63 630 835 231 — active since 10 June 2016
Verified against the Australian Business Register on 7 July 2026
Entity type: Individual/Sole Trader
GST: Registered for GST
Also trades as: CALVIN JAMES GROGAN (legal name)

Licences on government registers

Building Design - Open — licence no. 15071893
Register status: Listed on QBCC register
Verified against Queensland Building and Construction Commission (QBCC) on 7 July 2026

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Efficient Building Design Services — verified builder in Tenterfield, NSW | VerifiedBiz