Always check with the City of Frederick Engineering Division before you build or alter your property in any way. All development in the floodplain, not just construction of buildings, requires a local permit. Illegal development can obstruct the floodplain and create an unsafe situation. For more information about these permits and to report illegal development, call the City of Frederick Engineering Department at 301-600-1498.
If your home or business is located in the floodplain, the National Flood Insurance Program requires that if the cost of reconstruction due to damage, rehabilitation, addition, or other improvements exceeds 50% of the building's market value, the building must meet the same requirements as a new building.
The City of Frederick Building Department maintains improvement information for the life of the building; therefore, it is important to contact the permits coordinator at 301-600-3829 before you make any alterations to your home or business.