The Residences at St. Monica’s are private homes occupying a former chapel and rectory that were built in 1908 in Washington’s Capitol Hill neighborhood.

According to the developer, Community Three, they “employed several unique reuse strategies, including renovation of the massive timber framing, restoration of the original stained glass windows, and repositioning key elements of the prior use (such as the altar and pews) into the final layout of each individual unique residence. … This one-of-a-kind property is host to unparalleled residential living, with each residence taking advantage of the former church's special architectural features. From the heavy timber beams in the high ceilings, to the dramatic 100-year-old stained glass windows, the design of each new residence pays tribute to the property's long and storied history.”

The cornerstone says, "A.D. 1908," although another stone in the garden says 1909.

I would recommend visiting their site at http://communitythree.com/project/the-residences-at-st-monicas/ for some pictures of the interiors.

The Residences at St. Monica’s, chapel windows, posted earlier: