[6] She opened her own architectural firm in 1925 during the Country Place Area (1890-1940), becoming the first female licensed architect in Washington.

[6][7] The period she opened was a booming time for landscape architects with work from country estates with much planning and construction to create outbuildings and large gardens, commissioned by the new rich after World War I.

Country estates were designed through a set of "rooms" emphasizing the landscape's vastness to create a parklike experience.

Her suburban designs frequently featured a step-down entrance on the sidewalk, and a smaller set of "rooms" for differing activities.

The project received $2 million from Congress and Greely designed roads, gradings and plantings to complement the new buildings and houses.