The Tax and Utility Bills Office bills and collects real estate, personal property, corporation, and public utility accounts for Allegany County. As an employer, you must complete the Residency Certification Form for each employee.The Office of Property Assessments provides property assessments, handles tax abatements and exemptions, coordinates assessment appeals, and more. Please refer to the chart below for Tax and Fee information. For any questions, call 412-255-2525 Option 2 for Business Tax. Use the Real Estate website's parcel assessment search to look up information on your parcel. At the top of the Business Personal Property Tax Return, copy the complete legal name of the business and the. Once completed, use these instructions to submit your application. ​. Making tax collection efficient and easy for nearly 40 years. We offer user-friendly online services, coupled with responsive customer support.