From an email:
“The Petworth Neighborhood Library, located at 4200 Kansas Ave. N.W., will close for renovation at 5:30 p.m. on Saturday, December 19, 2009. An interim location, in the library’s parking lot, will open on Monday, January 11, 2009
The library will remain in the interim location until spring 2011, when the renovated Petworth Neighborhood Library opens.
During the transition, library users can renew books checked out from the Petworth Neighborhood Library at any other D.C. Public Library location or online at dclibrary.org. Books can be returned to any DC Public Library location. Holds will be available for pickup at the Watha T. Daniel-Shaw Interim Library located at 945 Rhode Island Ave. N.W.
The nearest full-service libraries are: Mt. Pleasant Neighborhood Library located at 3160 16th St. N.W., the Takoma Park Neighborhood Library located at 416 Cedar St. N.W., and the Juanita E. Thornton/Shepherd Park Neighborhood Library located at 7420 Georgia Ave., N.W.”
You can read more about the renovation here.