According to the Natick police log, the call came in just before 8 p.m. from 1245 Worcester St., Apt. 2156.
The caller reported a female was trespassing and was on the property.
After the responding officer completed an investigation, Kimberly A. Delgado, 42, of 57 Alexander St., was arrested and charged with trespassing.
She is scheduled to be arraigned at Framingham District Court on Jan. 8.