JERSEY CITY, NJ—Onyx Equities and Rubenstein Partners have completed a $20 million renovation at 30 Montgomery Street, one of Jersey City's original waterfront office buildings. The 15-story, 320,000-square-foot tower has been transformed into state-of-art, class A space and expanded with the addition of 8,000 square feet of retail space.

Built in the early 1970s, 30 Montgomery has been known for its panoramic Manhattan skyline view, but after Onyx and Rubenstein Partners purchased the building in 2014, they undertook the massive 11-month improvement project in order to position the building as a premiere corporate environment in a booming class-A office and residential market on New Jersey's "Urban Gold Coast."

Specific improvements included a complete replacement of windows, a high-efficiency HVAC system, installation of a backup generator designed to protect tenants' operations, a new executive conference center, modern finishes in the common areas, and the addition of a ground-level, urban retail amenity, which includes a 15-foot vaulted ceiling at the front entrance and possible outside, café-style seating.