Potential sale would come at a time when physical retail is struggling and retail REITs have taken a hit. : Washington Real Estate Investment Trust might be trying to streamline its holdings at a time when diversified REITs are being viewed with skepticism. The Washington, D.C.-based REIT is looking to sell its 16-property retail portfolio, Bloomberg reported recently. The 2.33-million-sq.-ft. portfolio, which consists of grocery-anchored community and neighborhood centers and regional power centers, is concentrated in the Washington, D.C., metro area.