Where to find it: All along the Eastern Seaboard, from Provincetown, Massachusetts, to Savannah, Georgia.
Why you'll love it: If you're an American history buff, you pride yourself on your patriotism and you're drawn to places like Boston, Georgetown in Washington, D.C., and Savannah, Georgia, this style has got your name all over it.
Townhouse developments are becoming increasingly popular as part of an effort to conserve space and facilitate pedestrian zones. Most such developments built today are modeled on federal style.
Tell us: What do you think about the federal, or Adam, style? Are you ready to embrace it, or do you prefer to admire it from afar?