Upton residents are reminded their quarterly real estate bills are due Wednesday, May 1. The Upton Collector/Treasurer’s office is open Monday-Thursday 9 a.m. to 4 p.m. and is located at 1 Main Street Box #2. For questions call 508-529-3737. You may pay your bill online. Please visit http://www.upton.ma.us/Pages/UptonMA_Collector/index for additional information.