Not many documentaries about families are truly able to get into the unkempt reality of home life, without tidy explanations and dramatic beats. In the touching and funny “Charm Circle,” Nira Burstein films her parents in their shambolic house in Queens with a persistent, loving curiosity about their relationship with each other and with their three adult daughters.

Burstein lets us see her parents, Raya and Uri, for the people they are, rather than simply diagnosing their situation, which is only part of their story. Each of them faces psychiatric issues, as does their daughter Judy, who is developmentally disabled. Financial troubles also loom. But with a skill that’s easy to take for granted, the filmmaker portrays the matter-of-fact eccentricities of their personalities and their love, anger, and confusion — the emotional weather system of it all.

Raya gazes at the hilariously quotable Uri with adoration, but can’t stand his temper. Uri was a real estate agent until a…