Your ANC Commissioner should know about it and hopefully they will talk to residents and if the don't comply, the landlord (if different) and also have a hotline to DPW and Dept of Health to send inspectors and fine them.

If not active commisioner, call 311 or use 311 app/site and keep record to make sure service request is handled.

DC spends millions on rodent abatement and even tracks rodent populations to stop infestation. Even have FAQs and videos:

https://dchealth.dc.gov/service/rodent-and-vector-control-division