As the Thompson Center inches closer to full installation of its new glass skin, a permit has been issued to allow interior renovations for the future Google Chicago headquarters. Previous permits have shown The Prime Group under JRTC (James R Thompson Center) Holdings LLC as the developer, but this one names Google as the building’s owner.

The permit, with a reported cost of $85 million, was issued by the city on December 17 to do renovations of Helmut Jahn’s office building. While Clark Construction works on the exterior revamp, Skender is named as the general contractor for the reno work, with Scott R. Becker of partners by Design listed as the architect of record.

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