County of Chester West Market Street West Chester, PA Contact us.Beacon and qPublic.net combine both web based GIS and web based data reporting tools including CAMA, Assessment and Tax into a single, user friendly web application that is designed with your needs in mind. Learn More opens in a new tab Demo Videos opens in a new tab Register for Webinars opens in a new tab ‘Like’ us on Facebook opens in a new tab.As the Property Assessor of Chester County and on behalf of my staff, it is my pleasure to provide you with our Citizen Access Website. The Property Assessor’s office handles the mapping, appraising, and assessing of property in Chester County. If you need further assistance please feel free to contact us at . Thank You, BEVERLY .The County of Chester, PA hereinafter referred to as “County” requires the User to acknowledge acceptance of the conditions stated herein prior to releasing any GIS product or service. The User agrees that the GIS database, all products and services derived therefrom, and all rights thereto are owned and copyrighted by the County..