**Question**: What are the experiences of home health care workers caring for older adults and for patients with chronic illnesses during the coronavirus disease 2019 (COVID-19) pandemic?
**Findings**: In this qualitative study of 33 home health care workers employed by 24 unique home care agencies across New York City, participants reported that they were at heightened risk for contracting and transmitting COVID-19. Despite providing integral care to vulnerable patients, home health care workers felt inadequately supported and generally invisible.
**Meaning**: During the COVID-19 pandemic, home health care workers experienced challenges that increased their vulnerability as a workforce.