It looks like the only zoom options are in savedsearches.conf: display.visualizations.custom.leaflet_maps_app.leaflet_maps.autoFitAndZoom = <string> display.visualizations.custom.leaflet_maps_app.leaflet_maps.autoFitAndZoomDelay = <int> display.visualizations.custom.leaflet_maps_app.leaflet_maps.scrollWheelZoom = <string> display.visualizations.custom.leaflet_maps_app.leaflet_maps.mapCenterZoom = <int> display.visualizations.custom.leaflet_maps_app.leaflet_maps.minZoom = <int> display.visualizations.custom.leaflet_maps_app.leaflet_maps.maxZoom = <int> display.visualizations.custom.leaflet_maps_app.leaflet_maps.googlePlacesZoomLevel = <int> descriptions are listed under Formatting Options: https://github.com/sghaskell/Clustered-Single-Value-Map-Visualization ... View more