Just in case you were unaware, there are real estate agents who specialize in modern homes. I am sure there are many more out there. If you know of other Realtors or modern real estate websites, please leave the info in the comments. There are also sites dedicated to local and regional modern homes, but that could be a whole other post.
United States
Sell Modern
Atlanta, GA
a.Modern
Atlanta Modern Real Estate
Dwell Atlanta
Austin, TX
Tarek Morshed
Arizona
AZArchitecture
Niche Find Yours
The Real Estate Twins
California
Bay Area Eichler Homes
Marin Modern
Mid-Century Modern Real Estate
Palm Springs Real Estate
San Francisco Modern
Valley Modern
Chicago, IL
Modern Chicago Homes