Kansas City (5-8-5) extended its unbeaten streak to four matches and is 5-0-2 when scoring first. Real Salt Lake (10-4-5), the defending MLS Cup champion, is 0-3-2 when giving up the first goal and has won just one of its last four.
Kamara put the Wizards up 1-0 in the 21st minute, taking a cross from Ryan Smith and snapping a header past keeper Nick Rimando from 12 yards.
Findley equalized in the 33rd, nodding home a long cross from Robbie Russell from 6 yards. Wizards keeper Jimmy Nielsen argued that the ball had deflected off Findley's hand before going in, but the goal stood.
Teal Bunbury appeared to have put in a game-winner for the Wizards in the 86th minute, but he was ruled offside on the play.