COVID-19 has intensified role of city governments to provide basic services to control the spread. This pandemic has changed the extents of hygiene and behavioral response in informal urban settlements where limited access to basic services is key concern throughout four waves of COVID crisis. The study aim is to know how services provision and hygiene interventions affects the promotional campaigns and resilience compliance activities delivered by city government among communities living in informal urban settlements. A questionnaire-based survey is conducted from 490 households of ten informal urban settlements in Islamabad city, Pakistan. PLS-SEM regression is used to test the relationship of services provision and hygiene interventions provided by the city government stimulating hygiene consciousness subsequently leading to healthier behavioral responses. Specifically, this study identifies that water services provision and hygiene interventions are strongly linked with promotional campaigns and resilience compliance activities which in turn enhance hygiene consciousness pushing better behavioral response. This research commends that city government has to anticipate effective policies regarding informal urban settlements. The better policy issues have to be resolved like infrastructure, budget allocation, innovating positive hygiene messages and rapid response during outbreaks.