Improvements / Preservations
The Commission supports municipal improvements throughout town that foster Old Saybrook's historic sense of place.
- "Black Horse Tavern" (1712) on the National Register of Historic Places (1978)
- "Elisha Bushnell House" (1678) on the National Register of Historic Places (1978)
- "Bushnell-Dickinson House" (1790) on the National Register of Historic Places (2013)
- "Connecticut Valley Railroad Roundhouse and Turntable Site" (1871) on the National Register of Historic Places (1994)
- "Cornfield Point Light Vessel LV-51" Archaeological Preserve (2003)
- "Jedidiah Dudley House" (1750) on the National Register of Historic Places (1982)
- "Samuel Eliot House" (1737) on the National Register of Historic Places (1972)
- "General William Hart House" (1767) on the National Register of Historic Places (1972)
- "James Pharmacy" (Anna L. James) on the National Register of Historic Places (1994)
- "Lynde Point Lighthouse" (1838) on the National Register of Historic Places (1990)
- "North Cove Historic District" (Local) on the National Register of Historic Places (1994)
- "Old Saybrook South Green" (National Historic District) on the National Register of Historic Places (1976)
- "Old Saybrook Town Hall and Theater" on the National Register of Historic Places (2007)
- "Parker House" (1679) on the National Register of Historic Places (1978)
- "Humphrey Pratt Tavern" (1785) on the National Register of Historic Places (1972)
- "Saybrook Breakwater Lighthouse" (1886) on the National Register of Historic Places (1990)
- "William Tully House" (1750) on the National Register of Historic Places (1982)
- "Ambrose Whittlesey House" (1765) on the National Register of Historic Places (1985)
- "John Whittlesey, Jr. House" (1693) on the National Register of Historic Places (1984)