Are my existing structures grandfathered?
Yes. The existing structures and other items on your property making up the lot coverage (formerly "impervious surfaces") are grandfathered and do not have to be removed.

For more information, please call 301-952-3208.

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1. What does it mean to me if I received a letter on blue paper that said that my property is located within or directly adjacent to a land use designation called the “Chesapeake Bay Critical Area”?
2. What does it mean to me if I received a letter on white paper that said that my property is located within 1 mile of a land use designation called the “Chesapeake Bay Critical Area”?
3. What is the County going to do on my property?
4. Will the mapping change impact my flood insurance?
5. Will the mapping change impact the value of my property?
6. Will the mapping change increase my property taxes?
7. Are my existing structures grandfathered?
8. Do I need to do anything now because of the mapping change?