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Technical Guides for Exterior Alterations
Historic Rockville
These Technical Guides are designed to provide summary information on rehabilitation and maintenance work most commonly needed at designated historic properties. The information may also be useful to owners of older homes who wish to restore and retain the historic significance of their properties, even if they do not currently intend to seek historic designation.

Each guide covers a specific topic so they can be read individually as specific issues arise. The guides are not intended to be comprehensive and detailed explanations, but are designed to serve as a starting point in planning work at one of Rockville's historic properties.

Some people are hesitant about obtaining historic designations, thinking it  will severely limit what they can do with their properties. Most historic sites,  however are not frozen in time as one might expect with such properties as Thomas Jefferson’s Monticello. Changes and upgrades may be incorporated into historic sites in ways that do not harm their historic character, and these guides are designed to help with the process of long-term preservation.

Preserving History
Unattended older properties, or ones that do not receive proper attention, will rapidly deteriorate. However, a well-preserved historic site can provide its residents a home with special characteristics that will be enjoyed and appreciated by family and friends. Through these guides, the City of Rockville will help the owners of older homes get maximum pleasure, and value, from their properties.

Please refer to the updated information on maintenance and rehabilitation tax credits that are available to owners of historic properties at http://www.rockvillemd.gov/index.aspx?NID=192. Note that the County program now offers 25% of approved exterior maintenance work as a tax credit, an increase from the previous 10% amount.

The Technical Guides for Exterior Alterations are available in PDF format, which can be viewed with the Adobe Acrobat Reader. This format will enable you to view the document as it appears in print. If you do not already have the Adobe Acrobat Reader installed follow the link above to Adobe's free download area.