300, 302, & 304 East Diamond Avenue is a landmark retail property located at the lighted intersection of East Diamond and North Summit Avenues, Historic Gaithersburg’s “main and main”. This 6,848 square foot structure has been renovated and updated on multiple occasions and currently comprises three separate tenancies, with the flexibility to accommodate up to four separate tenant suites. 300 E. Diamond, the end cap located on the hard corner of E. Diamond and Summit was originally constructed in 1891 for The First National Bank of Gaithersburg (though not designated “historic”). This single-tenant space is approximately 3,095 square feet and is currently occupied by a T-Mobile retailer. 302 & 304 E. Diamond consists of approximately 3,753 square feet on two levels and is currently 100% occupied by a Law Firm and a Performance Arts studio; however, is designed to accommodate 2-3 separate tenant suites.