Today, the District of Columbia has three congregation members of the Unitarian Universalist Association, each quite distinct from the others, but none is what you'd call new.
There was, for a while, another: the Sojourner Truth Congregation. I've only hear bits and pieces about it. It was born in the Internet era, but it was effectively gone by the time I moved to Washington in 2000. It met at William Penn House, on Capitol Hill, co-incidentally the same place where the Capitol Hill Friends worship group I mentioned in the last post meets.
An archived copy of its website remains.
There was --Â incorporatedÂ at least -- another: Â the Edgewood Community Church, Unitarian Universalist, but though I can guess a few things about it from the name, know nothing for sure about it. Today, the Unitarian Universalist presence in the Edgewood neighborhood is the noteworthy Beacon House ministry, and any church I'd start would include it among its priority ministries.