A Smithtown developer has bought a six-story office building near Nassau Veterans Memorial Coliseum for $15.5 million.

Damianos Realty Group LLC announced on Monday its purchase of 50 Charles Lindbergh Blvd. in Uniondale’s Mitchel Field neighborhood from Manhattan-based RXR.

The 240,000-square-foot building was constructed in the mid-1980s and is valued at $34 million, according to the Nassau County Department of Assessment .

X. Cristofer Damianos , a principal in his family’s real estate business, said, "We have plans to fully renovate 50 Charles Lindbergh Boulevard to meet the elevated standards of our Class A+ portfolio" of buildings.

He said renovations will be made to the lobby, hallways, restrooms, conference center, gym and cafe.

Damianos Realty owns more than 1.5 million

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