diff --git a/packages/frontend-2/components/viewer/filters/filter/string/Checkboxes.vue b/packages/frontend-2/components/viewer/filters/filter/string/Checkboxes.vue
index 0d69408ee..c24779614 100644
--- a/packages/frontend-2/components/viewer/filters/filter/string/Checkboxes.vue
+++ b/packages/frontend-2/components/viewer/filters/filter/string/Checkboxes.vue
@@ -2,9 +2,8 @@
   <div>
     <div class="flex justify-between items-center pr-1">
       <ViewerFiltersFilterStringSelectAll
-        :selected-count="selectedCount"
-        :total-count="filteredValues.length"
-        @select-all="selectAll"
+        :filter="filter"
+        :search-query="searchQuery"
       />
 
       <!-- Sorting Controls -->
@@ -37,27 +36,13 @@
       <div
         v-for="{ data: value, index } in list"
         :key="`${index}-${value}`"
-        :style="{
-          position: 'absolute',
-          top: 0,
-          left: 0,
-          width: '100%',
-          height: `${itemHeight}px`,
-          transform: `translateY(${index * itemHeight}px)`
-        }"
+        class="absolute top-0 left-0 w-full h-full"
+        :style="{ transform: `translateY(${index * itemHeight}px)` }"
       >
         <ViewerFiltersFilterStringValueItem
-          :filter-id="filter.id"
+          :filter="filter"
           :value="value"
-          :is-selected="isValueSelected(value)"
-          :count="getValueCount(value)"
-          :color="getValueColor(value)"
-          :is-default-selected="
-            isStringFilter(filter) &&
-            filter.isDefaultAllSelected &&
-            isValueSelected(value)
-          "
-          @toggle="() => toggleValue(value)"
+          @toggle="() => toggleActiveFilterValue(filter.id, value)"
         />
       </div>
     </div>
@@ -81,14 +66,7 @@ const props = defineProps<{
   searchQuery?: string
 }>()
 
-const {
-  toggleActiveFilterValue,
-  updateActiveFilterValues,
-  isActiveFilterValueSelected,
-  getFilterValueColor,
-  getAvailableFilterValues,
-  filters
-} = useFilterUtilities()
+const { toggleActiveFilterValue, getFilteredFilterValues } = useFilterUtilities()
 
 const showSortMenu = ref(false)
 const sortMode = ref<'selected-first' | 'alphabetical'>('alphabetical')
@@ -108,87 +86,31 @@ const sortMenuItems = computed<LayoutMenuItem[][]>(() => [
   ]
 ])
 
-// Handle sort option selection
-const onSortOptionChosen = ({ item }: { item: LayoutMenuItem; event: MouseEvent }) => {
-  sortMode.value = item.id as 'selected-first' | 'alphabetical'
-  showSortMenu.value = false
-}
-
-const isValueSelected = (value: string): boolean => {
-  return isActiveFilterValueSelected(props.filter.id, value)
-}
-
-const getValueCount = (_value: string): number => {
-  return 1
-}
-
-const getValueColor = (value: string): string | null => {
-  if (filters.activeColorFilterId.value !== props.filter.id) {
-    return null
-  }
-  return getFilterValueColor(value)
-}
-
-const toggleValue = (value: string) => {
-  toggleActiveFilterValue(props.filter.id, value)
-}
-
-const selectAll = (selected: boolean) => {
-  if (!isStringFilter(props.filter) || !props.filter.filter) return
-
-  const allAvailableValues = getAvailableFilterValues(props.filter.filter)
-  if (selected) {
-    updateActiveFilterValues(props.filter.id, allAvailableValues)
-  } else {
-    updateActiveFilterValues(props.filter.id, [])
-  }
-}
-
-const availableValues = computed(() => {
+const filteredValues = computed(() => {
   if (isStringFilter(props.filter) && props.filter.filter) {
-    return getAvailableFilterValues(props.filter.filter)
+    return getFilteredFilterValues(props.filter.filter, {
+      sortMode: sortMode.value,
+      filterId: props.filter.id
+    })
   }
   return []
 })
 
-const filteredValues = computed(() => {
-  let values = availableValues.value
-
-  if (props.searchQuery?.trim()) {
-    const searchTerm = props.searchQuery.toLowerCase().trim()
-    values = values.filter((value: string) => value.toLowerCase().includes(searchTerm))
-  }
-
-  if (sortMode.value === 'selected-first') {
-    // Sort: selected first, then alphabetical
-    const selectedValues = values.filter((value: string) => isValueSelected(value))
-    const unselectedValues = values.filter((value: string) => !isValueSelected(value))
-
-    // Sort each group alphabetically
-    const sortedSelectedValues = selectedValues.sort((a, b) => a.localeCompare(b))
-    const sortedUnselectedValues = unselectedValues.sort((a, b) => a.localeCompare(b))
-
-    return [...sortedSelectedValues, ...sortedUnselectedValues]
-  } else {
-    // Sort: pure alphabetical
-    return values.sort((a, b) => a.localeCompare(b))
-  }
-})
-
-const selectedCount = computed(() => {
-  return filteredValues.value.filter((value) => isValueSelected(value)).length
-})
-
 const itemHeight = 28 // Height of each checkbox item in pixels
 const maxHeight = 240
 
+const { list, containerProps } = useVirtualList(filteredValues, {
+  itemHeight: 28,
+  overscan: 5
+})
+
 const containerHeight = computed(() => {
   const contentHeight = filteredValues.value.length * itemHeight
   return `${Math.min(contentHeight, maxHeight)}px`
 })
 
-const { list, containerProps } = useVirtualList(filteredValues, {
-  itemHeight,
-  overscan: 5
-})
+const onSortOptionChosen = ({ item }: { item: LayoutMenuItem; event: MouseEvent }) => {
+  sortMode.value = item.id as 'selected-first' | 'alphabetical'
+  showSortMenu.value = false
+}
 </script>
diff --git a/packages/frontend-2/components/viewer/filters/filter/string/SelectAll.vue b/packages/frontend-2/components/viewer/filters/filter/string/SelectAll.vue
index ed4203cf1..5818133d9 100644
--- a/packages/frontend-2/components/viewer/filters/filter/string/SelectAll.vue
+++ b/packages/frontend-2/components/viewer/filters/filter/string/SelectAll.vue
@@ -26,30 +26,55 @@
 <script setup lang="ts">
 import { computed } from 'vue'
 import { FormCheckbox } from '@speckle/ui-components'
+import { useFilterUtilities } from '~~/lib/viewer/composables/filtering'
+import { isStringFilter, type FilterData } from '~/lib/viewer/helpers/filters/types'
 
 const props = defineProps<{
-  selectedCount: number
-  totalCount: number
+  filter: FilterData
+  searchQuery?: string
 }>()
 
-const emit = defineEmits<{
-  selectAll: [selected: boolean]
-}>()
+const {
+  getFilteredFilterValues,
+  isActiveFilterValueSelected,
+  updateActiveFilterValues
+} = useFilterUtilities()
+
+const filteredValues = computed(() => {
+  if (isStringFilter(props.filter) && props.filter.filter) {
+    return getFilteredFilterValues(props.filter.filter, {
+      searchQuery: props.searchQuery
+    })
+  }
+  return []
+})
+
+const selectedCount = computed(() => {
+  return filteredValues.value.filter((value) =>
+    isActiveFilterValueSelected(props.filter.id, value)
+  ).length
+})
+
+const totalCount = computed(() => filteredValues.value.length)
 
 const areAllValuesSelected = computed(() => {
-  return props.totalCount > 0 && props.selectedCount === props.totalCount
+  return totalCount.value > 0 && selectedCount.value === totalCount.value
 })
 
 const areSomeValuesSelected = computed(() => {
-  return props.selectedCount > 0 && props.selectedCount < props.totalCount
+  return selectedCount.value > 0 && selectedCount.value < totalCount.value
 })
 
 const handleSelectAllChange = () => {
-  // If some are selected (indeterminate state), always select all
-  // If all are selected, deselect all
-  // If none are selected, select all
   const finalSelection = areSomeValuesSelected.value || !areAllValuesSelected.value
 
-  emit('selectAll', finalSelection)
+  if (isStringFilter(props.filter) && props.filter.filter) {
+    const allAvailableValues = getFilteredFilterValues(props.filter.filter)
+    if (finalSelection) {
+      updateActiveFilterValues(props.filter.id, allAvailableValues)
+    } else {
+      updateActiveFilterValues(props.filter.id, [])
+    }
+  }
 }
 </script>
diff --git a/packages/frontend-2/components/viewer/filters/filter/string/ValueItem.vue b/packages/frontend-2/components/viewer/filters/filter/string/ValueItem.vue
index c46fb6015..76b63f192 100644
--- a/packages/frontend-2/components/viewer/filters/filter/string/ValueItem.vue
+++ b/packages/frontend-2/components/viewer/filters/filter/string/ValueItem.vue
@@ -15,7 +15,7 @@
             'opacity-50 dark:!bg-transparent !border !border-outline-5 !group-hover:border-outline-5':
               isDefaultSelected
           }"
-          :name="`filter-${filterId}-${value}`"
+          :name="`filter-${filter.id}-${value}`"
           :model-value="isSelected"
           hide-label
         />
@@ -24,7 +24,7 @@
         </span>
       </div>
       <div class="flex items-center">
-        <div class="shrink-0 text-foreground-2 text-body-3xs">
+        <div v-if="count !== null" class="shrink-0 text-foreground-2 text-body-3xs">
           {{ count }}
         </div>
         <div
@@ -39,17 +39,47 @@
 
 <script setup lang="ts">
 import { FormCheckbox } from '@speckle/ui-components'
+import { useFilterUtilities } from '~~/lib/viewer/composables/filtering'
+import { isStringFilter, type FilterData } from '~/lib/viewer/helpers/filters/types'
 
-defineProps<{
-  filterId: string
+const props = defineProps<{
+  filter: FilterData
   value: string
-  isSelected: boolean
-  count: number
-  color?: string | null
-  isDefaultSelected?: boolean
 }>()
 
 defineEmits<{
   toggle: []
 }>()
+
+const {
+  isActiveFilterValueSelected,
+  getFilterValueColor,
+  getPropertyValueCounts,
+  filters
+} = useFilterUtilities()
+
+const isSelected = computed(() =>
+  isActiveFilterValueSelected(props.filter.id, props.value)
+)
+
+const count = computed(() => {
+  if (!props.filter.filter?.key) return null
+  const counts = getPropertyValueCounts(props.filter.filter.key)
+  return counts[props.value] || 0
+})
+
+const color = computed(() => {
+  if (filters.activeColorFilterId.value !== props.filter.id) {
+    return null
+  }
+  return getFilterValueColor(props.value)
+})
+
+const isDefaultSelected = computed(() => {
+  return (
+    isStringFilter(props.filter) &&
+    props.filter.isDefaultAllSelected &&
+    isSelected.value
+  )
+})
 </script>
diff --git a/packages/frontend-2/lib/viewer/composables/filtering.ts b/packages/frontend-2/lib/viewer/composables/filtering.ts
index 594ed3117..37fa097ba 100644
--- a/packages/frontend-2/lib/viewer/composables/filtering.ts
+++ b/packages/frontend-2/lib/viewer/composables/filtering.ts
@@ -406,7 +406,9 @@ function createFilteringDataStore() {
     currentFilterLogic,
     setGhostMode,
     ghostMode,
-    dataSlices
+    dataSlices,
+    dataSources,
+    buildPropertyIndex
   }
 }
 
@@ -534,6 +536,43 @@ export function useFilterUtilities(
     return []
   }
 
+  /**
+   * Gets counts for all values of a property at once (performance optimized)
+   */
+  const getPropertyValueCounts = (propertyKey: string): Record<string, number> => {
+    const valueCounts: Record<string, number> = {}
+
+    for (const dataSource of dataStore.dataSources.value) {
+      const propertyIndex = dataStore.buildPropertyIndex(dataSource, propertyKey)
+
+      for (const [value, objectIds] of Object.entries(propertyIndex)) {
+        if (!valueCounts[value]) {
+          valueCounts[value] = 0
+        }
+        valueCounts[value] += objectIds.length
+      }
+    }
+
+    return valueCounts
+  }
+
+  /**
+   * Gets the count of objects that have a specific value for a property
+   * Note: For better performance when getting multiple counts, use getPropertyValueCounts
+   */
+  const getPropertyValueCount = (propertyKey: string, value: string): number => {
+    let totalCount = 0
+
+    for (const dataSource of dataStore.dataSources.value) {
+      const propertyIndex = dataStore.buildPropertyIndex(dataSource, propertyKey)
+      if (propertyIndex && propertyIndex[value]) {
+        totalCount += propertyIndex[value].length
+      }
+    }
+
+    return totalCount
+  }
+
   /**
    * Creates a properly typed FilterData object from PropertyInfo
    */
@@ -1204,6 +1243,50 @@ export function useFilterUtilities(
     return color.startsWith('#') ? color : `#${color}`
   }
 
+  /**
+   * Gets filtered and sorted values for a string filter with search and sorting options
+   */
+  const getFilteredFilterValues = (
+    filter: PropertyInfo,
+    options?: {
+      searchQuery?: string
+      sortMode?: 'alphabetical' | 'selected-first'
+      filterId?: string
+    }
+  ): string[] => {
+    const { searchQuery, sortMode = 'alphabetical', filterId } = options || {}
+
+    let values = getAvailableFilterValues(filter)
+
+    // Apply search filtering
+    if (searchQuery?.trim()) {
+      const searchTerm = searchQuery.toLowerCase().trim()
+      values = values.filter((value: string) =>
+        value.toLowerCase().includes(searchTerm)
+      )
+    }
+
+    // Apply sorting
+    if (sortMode === 'selected-first' && filterId) {
+      // Sort: selected first, then alphabetical
+      const selectedValues = values.filter((value: string) =>
+        isActiveFilterValueSelected(filterId, value)
+      )
+      const unselectedValues = values.filter(
+        (value: string) => !isActiveFilterValueSelected(filterId, value)
+      )
+
+      // Sort each group alphabetically
+      const sortedSelectedValues = selectedValues.sort((a, b) => a.localeCompare(b))
+      const sortedUnselectedValues = unselectedValues.sort((a, b) => a.localeCompare(b))
+
+      return [...sortedSelectedValues, ...sortedUnselectedValues]
+    } else {
+      // Sort: pure alphabetical
+      return values.sort((a, b) => a.localeCompare(b))
+    }
+  }
+
   return {
     isolateObjects,
     unIsolateObjects,
@@ -1211,6 +1294,8 @@ export function useFilterUtilities(
     showObjects,
     filters,
     getAvailableFilterValues,
+    getPropertyValueCount,
+    getPropertyValueCounts,
     addActiveFilter,
     updateFilterProperty,
     removeActiveFilter,
@@ -1243,6 +1328,8 @@ export function useFilterUtilities(
     toggleColorFilter,
     getFilterColorGroups,
     getFilterValueColor,
+    // Filtered values
+    getFilteredFilterValues,
     // Numeric range filtering
     setNumericRange,
     // Filter logic