Assembly Deputy Speaker Fadhili Makarani said the three ward representatives were found to be infected after a round of mass testing last week.
The coastal county has recorded over 3,000 cases so far and has been flagged as one of the areas with a resurgence of cases as residents continue to flout health protocols.
The Mombasa County Assembly has suspended its proceedings for two weeks after three ward representatives tested positive for Covid-19.
Assembly Deputy Speaker Fadhili Makarani said the three MCAs were found to be infected after a round of mass testing last week.