20 PETRA LN, Colonie, NY - Available Retail Space For Lease 20 PETRA LN, Colonie, NY - Available Retail Space For Lease 20 PETRA LN, Colonie, NY - Available Retail Space For Lease 20 PETRA LN, Colonie, NY - Available Retail Space For Lease 20 PETRA LN, Colonie, NY - Available Retail Space For Lease