Town Hall Address 424 Main St. Irwin, PA 15642 United States- Westmoreland County Website https://www.irwinborough.org/ Deed Registry (724) 830-3518 http://www.wcdeeds.us/dts/ Monday - Friday 8:00 am - 4:00 pm 40 N Pennsylvania Ave Greensburg, PA 15601 United States Tax Collector (724) 864-6983 424 Main St Irwin, PA 15642 United States County Westmoreland