Mapping & Addressing

Welcome! Thank you for taking the time to visit Sussex County’s 911 Addressing and Mapping website. We are pleased to see that you are curious about the County’s enhanced 911- Addressing system and how it affects you. Our department is responsible for the readdressing of Sussex County for the purpose of the Enhanced 911 system. In addition, the department draws and maintains County maps. Please feel free to contact our office if you have any questions that you did not find an answer to while browsing our website. Any of our qualified staff will be glad to assist you.