1621 UNION ST, Niskayuna, NY - Available Office Space For Lease 1621 UNION ST, Niskayuna, NY - Available Office Space For Lease 1621 UNION ST, Niskayuna, NY - Available Office Space For Lease 1621 UNION ST, Niskayuna, NY - Available Office Space For Lease 1621 UNION ST, Niskayuna, NY - Available Office Space For Lease