The Diamond Law Group, LLC Google Map 12850 Middlebrook Road #308, Germantown, MD 20874 The Diamond Law Group, LLC info Address: 12850 Middlebrook Road #308, Germantown, MD 20874 Website: thediamondlawgroup.com Telephone: (301) 565-5258 Zipcode: 20874 City: Germantown State: Maryland Work Time: Wednesday 9AM–5PM,Thursday 9AM–5PM,Friday 9AM–5PM,Saturday Closed,Sunday Closed,Monday (Washington’s Birthday) 9AM–5PM Hours might differ,Tuesday 9AM–5PM