diff --git a/apps/bot/src/index.ts b/apps/bot/src/index.ts
index 48f5ffa..8c2d971 100644
--- a/apps/bot/src/index.ts
+++ b/apps/bot/src/index.ts
@@ -39,6 +39,7 @@ import {
   createMiniAppPendingMembersHandler,
   createMiniAppPromoteMemberHandler,
   createMiniAppSettingsHandler,
+  createMiniAppUpdateMemberRentWeightHandler,
   createMiniAppUpdateSettingsHandler,
   createMiniAppUpsertUtilityCategoryHandler
 } from './miniapp-admin'
@@ -358,6 +359,15 @@ const server = createBotWebhookServer({
         logger: getLogger('miniapp-admin')
       })
     : undefined,
+  miniAppUpdateMemberRentWeight: householdOnboardingService
+    ? createMiniAppUpdateMemberRentWeightHandler({
+        allowedOrigins: runtime.miniAppAllowedOrigins,
+        botToken: runtime.telegramBotToken,
+        onboardingService: householdOnboardingService,
+        miniAppAdminService: miniAppAdminService!,
+        logger: getLogger('miniapp-admin')
+      })
+    : undefined,
   miniAppBillingCycle: householdOnboardingService
     ? createMiniAppBillingCycleHandler({
         allowedOrigins: runtime.miniAppAllowedOrigins,
diff --git a/apps/bot/src/miniapp-admin.test.ts b/apps/bot/src/miniapp-admin.test.ts
index 3f7c979..b20418f 100644
--- a/apps/bot/src/miniapp-admin.test.ts
+++ b/apps/bot/src/miniapp-admin.test.ts
@@ -69,6 +69,7 @@ function onboardingRepository(): HouseholdConfigurationRepository {
       displayName: input.displayName,
       preferredLocale: input.preferredLocale ?? null,
       householdDefaultLocale: household.defaultLocale,
+      rentShareWeight: 1,
       isAdmin: input.isAdmin === true
     }),
     getHouseholdMember: async () => null,
@@ -94,6 +95,7 @@ function onboardingRepository(): HouseholdConfigurationRepository {
             displayName: 'Mia',
             preferredLocale: null,
             householdDefaultLocale: household.defaultLocale,
+            rentShareWeight: 1,
             isAdmin: false
           }
         : null,
@@ -110,6 +112,7 @@ function onboardingRepository(): HouseholdConfigurationRepository {
             displayName: 'Mia',
             preferredLocale: locale,
             householdDefaultLocale: household.defaultLocale,
+            rentShareWeight: 1,
             isAdmin: false
           }
         : null,
@@ -151,6 +154,7 @@ function onboardingRepository(): HouseholdConfigurationRepository {
           displayName: 'Stan',
           preferredLocale: null,
           householdDefaultLocale: household.defaultLocale,
+          rentShareWeight: 1,
           isAdmin: false
         }
       ].find((entry) => entry.id === memberId)
@@ -161,7 +165,20 @@ function onboardingRepository(): HouseholdConfigurationRepository {
             isAdmin: true
           }
         : null
-    }
+    },
+    updateHouseholdMemberRentShareWeight: async (_householdId, memberId, rentShareWeight) =>
+      memberId === 'member-123456'
+        ? {
+            id: memberId,
+            householdId: household.householdId,
+            telegramUserId: '123456',
+            displayName: 'Stan',
+            preferredLocale: null,
+            householdDefaultLocale: household.defaultLocale,
+            rentShareWeight,
+            isAdmin: false
+          }
+        : null
   }
 }
 
@@ -177,6 +194,7 @@ describe('createMiniAppPendingMembersHandler', () => {
         displayName: 'Stan',
         preferredLocale: null,
         householdDefaultLocale: 'ru',
+        rentShareWeight: 1,
         isAdmin: true
       }
     ]
@@ -239,6 +257,7 @@ describe('createMiniAppApproveMemberHandler', () => {
         displayName: 'Stan',
         preferredLocale: null,
         householdDefaultLocale: 'ru',
+        rentShareWeight: 1,
         isAdmin: true
       }
     ]
@@ -282,6 +301,7 @@ describe('createMiniAppApproveMemberHandler', () => {
         displayName: 'Mia',
         preferredLocale: null,
         householdDefaultLocale: 'ru',
+        rentShareWeight: 1,
         isAdmin: false
       }
     })
@@ -300,6 +320,7 @@ describe('createMiniAppSettingsHandler', () => {
         displayName: 'Stan',
         preferredLocale: null,
         householdDefaultLocale: 'ru',
+        rentShareWeight: 1,
         isAdmin: true
       }
     ]
@@ -311,6 +332,7 @@ describe('createMiniAppSettingsHandler', () => {
         displayName: 'Stan',
         preferredLocale: null,
         householdDefaultLocale: 'ru',
+        rentShareWeight: 1,
         isAdmin: true
       }
     ]
@@ -365,6 +387,7 @@ describe('createMiniAppSettingsHandler', () => {
           displayName: 'Stan',
           preferredLocale: null,
           householdDefaultLocale: 'ru',
+          rentShareWeight: 1,
           isAdmin: true
         }
       ]
@@ -384,6 +407,7 @@ describe('createMiniAppUpdateSettingsHandler', () => {
         displayName: 'Stan',
         preferredLocale: null,
         householdDefaultLocale: 'ru',
+        rentShareWeight: 1,
         isAdmin: true
       }
     ]
@@ -452,6 +476,7 @@ describe('createMiniAppPromoteMemberHandler', () => {
         displayName: 'Stan',
         preferredLocale: null,
         householdDefaultLocale: 'ru',
+        rentShareWeight: 1,
         isAdmin: true
       }
     ]
@@ -495,6 +520,7 @@ describe('createMiniAppPromoteMemberHandler', () => {
         displayName: 'Stan',
         preferredLocale: null,
         householdDefaultLocale: 'ru',
+        rentShareWeight: 1,
         isAdmin: true
       }
     })
diff --git a/apps/bot/src/miniapp-admin.ts b/apps/bot/src/miniapp-admin.ts
index c676b60..2dbe2ed 100644
--- a/apps/bot/src/miniapp-admin.ts
+++ b/apps/bot/src/miniapp-admin.ts
@@ -178,6 +178,37 @@ async function readPromoteMemberPayload(request: Request): Promise<{
   }
 }
 
+async function readRentWeightPayload(request: Request): Promise<{
+  initData: string
+  memberId: string
+  rentShareWeight: number
+}> {
+  const clonedRequest = request.clone()
+  const payload = await readMiniAppRequestPayload(request)
+  if (!payload.initData) {
+    throw new Error('Missing initData')
+  }
+
+  const text = await clonedRequest.text()
+  let parsed: { memberId?: string; rentShareWeight?: number }
+  try {
+    parsed = JSON.parse(text)
+  } catch {
+    throw new Error('Invalid JSON body')
+  }
+
+  const memberId = parsed.memberId?.trim()
+  if (!memberId || typeof parsed.rentShareWeight !== 'number') {
+    throw new Error('Missing member rent weight fields')
+  }
+
+  return {
+    initData: payload.initData,
+    memberId,
+    rentShareWeight: parsed.rentShareWeight
+  }
+}
+
 function serializeBillingSettings(settings: HouseholdBillingSettingsRecord) {
   return {
     householdId: settings.householdId,
@@ -629,6 +660,97 @@ export function createMiniAppPromoteMemberHandler(options: {
   }
 }
 
+export function createMiniAppUpdateMemberRentWeightHandler(options: {
+  allowedOrigins: readonly string[]
+  botToken: string
+  onboardingService: HouseholdOnboardingService
+  miniAppAdminService: MiniAppAdminService
+  logger?: Logger
+}): {
+  handler: (request: Request) => Promise<Response>
+} {
+  const sessionService = createMiniAppSessionService({
+    botToken: options.botToken,
+    onboardingService: options.onboardingService
+  })
+
+  return {
+    handler: async (request) => {
+      const origin = allowedMiniAppOrigin(request, options.allowedOrigins)
+
+      if (request.method === 'OPTIONS') {
+        return miniAppJsonResponse({ ok: true }, 204, origin)
+      }
+
+      if (request.method !== 'POST') {
+        return miniAppJsonResponse({ ok: false, error: 'Method Not Allowed' }, 405, origin)
+      }
+
+      try {
+        const payload = await readRentWeightPayload(request)
+        const session = await sessionService.authenticate({
+          initData: payload.initData
+        })
+
+        if (!session) {
+          return miniAppJsonResponse(
+            { ok: false, error: 'Invalid Telegram init data' },
+            401,
+            origin
+          )
+        }
+
+        if (!session.authorized || !session.member) {
+          return miniAppJsonResponse(
+            { ok: false, error: 'Access limited to active household members' },
+            403,
+            origin
+          )
+        }
+
+        const result = await options.miniAppAdminService.updateMemberRentShareWeight({
+          householdId: session.member.householdId,
+          actorIsAdmin: session.member.isAdmin,
+          memberId: payload.memberId,
+          rentShareWeight: payload.rentShareWeight
+        })
+
+        if (result.status === 'rejected') {
+          return miniAppJsonResponse(
+            {
+              ok: false,
+              error:
+                result.reason === 'invalid_weight'
+                  ? 'Invalid rent share weight'
+                  : result.reason === 'member_not_found'
+                    ? 'Member not found'
+                    : 'Admin access required'
+            },
+            result.reason === 'invalid_weight'
+              ? 400
+              : result.reason === 'member_not_found'
+                ? 404
+                : 403,
+            origin
+          )
+        }
+
+        return miniAppJsonResponse(
+          {
+            ok: true,
+            authorized: true,
+            member: result.member
+          },
+          200,
+          origin
+        )
+      } catch (error) {
+        return miniAppErrorResponse(error, origin, options.logger)
+      }
+    }
+  }
+}
+
 export function createMiniAppApproveMemberHandler(options: {
   allowedOrigins: readonly string[]
   botToken: string
diff --git a/apps/bot/src/server.test.ts b/apps/bot/src/server.test.ts
index a112177..600b34e 100644
--- a/apps/bot/src/server.test.ts
+++ b/apps/bot/src/server.test.ts
@@ -73,6 +73,15 @@ describe('createBotWebhookServer', () => {
           }
         })
     },
+    miniAppUpdateMemberRentWeight: {
+      handler: async () =>
+        new Response(JSON.stringify({ ok: true, authorized: true, member: {} }), {
+          status: 200,
+          headers: {
+            'content-type': 'application/json; charset=utf-8'
+          }
+        })
+    },
     miniAppBillingCycle: {
       handler: async () =>
         new Response(JSON.stringify({ ok: true, authorized: true, cycleState: {} }), {
@@ -304,6 +313,22 @@ describe('createBotWebhookServer', () => {
     })
   })
 
+  test('accepts mini app rent weight update request', async () => {
+    const response = await server.fetch(
+      new Request('http://localhost/api/miniapp/admin/members/rent-weight', {
+        method: 'POST',
+        body: JSON.stringify({ initData: 'payload' })
+      })
+    )
+
+    expect(response.status).toBe(200)
+    expect(await response.json()).toEqual({
+      ok: true,
+      authorized: true,
+      member: {}
+    })
+  })
+
   test('accepts mini app billing cycle request', async () => {
     const response = await server.fetch(
       new Request('http://localhost/api/miniapp/admin/billing-cycle', {
diff --git a/apps/bot/src/server.ts b/apps/bot/src/server.ts
index 0e6ee25..c07260a 100644
--- a/apps/bot/src/server.ts
+++ b/apps/bot/src/server.ts
@@ -56,6 +56,12 @@ export interface BotWebhookServerOptions {
         handler: (request: Request) => Promise<Response>
       }
     | undefined
+  miniAppUpdateMemberRentWeight?:
+    | {
+        path?: string
+        handler: (request: Request) => Promise<Response>
+      }
+    | undefined
   miniAppBillingCycle?:
     | {
         path?: string
@@ -136,6 +142,8 @@ export function createBotWebhookServer(options: BotWebhookServerOptions): {
     options.miniAppUpsertUtilityCategory?.path ?? '/api/miniapp/admin/utility-categories/upsert'
   const miniAppPromoteMemberPath =
     options.miniAppPromoteMember?.path ?? '/api/miniapp/admin/members/promote'
+  const miniAppUpdateMemberRentWeightPath =
+    options.miniAppUpdateMemberRentWeight?.path ?? '/api/miniapp/admin/members/rent-weight'
   const miniAppBillingCyclePath =
     options.miniAppBillingCycle?.path ?? '/api/miniapp/admin/billing-cycle'
   const miniAppOpenCyclePath =
@@ -198,6 +206,13 @@ export function createBotWebhookServer(options: BotWebhookServerOptions): {
         return await options.miniAppPromoteMember.handler(request)
       }
 
+      if (
+        options.miniAppUpdateMemberRentWeight &&
+        url.pathname === miniAppUpdateMemberRentWeightPath
+      ) {
+        return await options.miniAppUpdateMemberRentWeight.handler(request)
+      }
+
       if (options.miniAppBillingCycle && url.pathname === miniAppBillingCyclePath) {
         return await options.miniAppBillingCycle.handler(request)
       }
diff --git a/apps/miniapp/src/App.tsx b/apps/miniapp/src/App.tsx
index 2dc3a59..807bd78 100644
--- a/apps/miniapp/src/App.tsx
+++ b/apps/miniapp/src/App.tsx
@@ -13,6 +13,7 @@ import {
   joinMiniAppHousehold,
   openMiniAppBillingCycle,
   promoteMiniAppMember,
+  updateMiniAppMemberRentWeight,
   type MiniAppAdminCycleState,
   type MiniAppAdminSettingsPayload,
   updateMiniAppLocalePreference,
@@ -143,6 +144,8 @@ function App() {
   const [joining, setJoining] = createSignal(false)
   const [approvingTelegramUserId, setApprovingTelegramUserId] = createSignal<string | null>(null)
   const [promotingMemberId, setPromotingMemberId] = createSignal<string | null>(null)
+  const [savingRentWeightMemberId, setSavingRentWeightMemberId] = createSignal<string | null>(null)
+  const [rentWeightDrafts, setRentWeightDrafts] = createSignal<Record<string, string>>({})
   const [savingMemberLocale, setSavingMemberLocale] = createSignal(false)
   const [savingHouseholdLocale, setSavingHouseholdLocale] = createSignal(false)
   const [savingBillingSettings, setSavingBillingSettings] = createSignal(false)
@@ -212,6 +215,11 @@ function App() {
     try {
       const payload = await fetchMiniAppAdminSettings(initData)
       setAdminSettings(payload)
+      setRentWeightDrafts(
+        Object.fromEntries(
+          payload.members.map((member) => [member.id, String(member.rentShareWeight)])
+        )
+      )
       setCycleForm((current) => ({
         ...current,
         utilityCategorySlug:
@@ -721,11 +729,50 @@ function App() {
             }
           : current
       )
+      setRentWeightDrafts((current) => ({
+        ...current,
+        [member.id]: String(member.rentShareWeight)
+      }))
     } finally {
       setPromotingMemberId(null)
     }
   }
 
+  async function handleSaveRentWeight(memberId: string) {
+    const initData = webApp?.initData?.trim()
+    const currentReady = readySession()
+    const nextWeight = Number(rentWeightDrafts()[memberId] ?? '')
+    if (
+      !initData ||
+      currentReady?.mode !== 'live' ||
+      !currentReady.member.isAdmin ||
+      !Number.isInteger(nextWeight) ||
+      nextWeight <= 0
+    ) {
+      return
+    }
+
+    setSavingRentWeightMemberId(memberId)
+
+    try {
+      const member = await updateMiniAppMemberRentWeight(initData, memberId, nextWeight)
+      setAdminSettings((current) =>
+        current
+          ? {
+              ...current,
+              members: current.members.map((item) => (item.id === member.id ? member : item))
+            }
+          : current
+      )
+      setRentWeightDrafts((current) => ({
+        ...current,
+        [member.id]: String(member.rentShareWeight)
+      }))
+    } finally {
+      setSavingRentWeightMemberId(null)
+    }
+  }
+
   const renderPanel = () => {
     switch (activeNav()) {
       case 'balances':
@@ -1223,6 +1270,32 @@ function App() {
                       <strong>{member.displayName}</strong>
                       <span>{member.isAdmin ? copy().adminTag : copy().residentTag}</span>
                     </header>
+                    <label class="settings-field settings-field--wide">
+                      <span>{copy().rentWeightLabel}</span>
+                      <input
+                        inputmode="numeric"
+                        value={rentWeightDrafts()[member.id] ?? String(member.rentShareWeight)}
+                        onInput={(event) =>
+                          setRentWeightDrafts((current) => ({
+                            ...current,
+                            [member.id]: event.currentTarget.value
+                          }))
+                        }
+                      />
+                    </label>
+                    <button
+                      class="ghost-button"
+                      type="button"
+                      disabled={
+                        savingRentWeightMemberId() === member.id ||
+                        Number(rentWeightDrafts()[member.id] ?? member.rentShareWeight) <= 0
+                      }
+                      onClick={() => void handleSaveRentWeight(member.id)}
+                    >
+                      {savingRentWeightMemberId() === member.id
+                        ? copy().savingRentWeight
+                        : copy().saveRentWeightAction}
+                    </button>
                     {!member.isAdmin ? (
                       <button
                         class="ghost-button"
diff --git a/apps/miniapp/src/i18n.ts b/apps/miniapp/src/i18n.ts
index e50f764..8833fc9 100644
--- a/apps/miniapp/src/i18n.ts
+++ b/apps/miniapp/src/i18n.ts
@@ -88,6 +88,9 @@ export const dictionary = {
     savingCategory: 'Saving…',
     adminsTitle: 'Admins',
     adminsBody: 'Promote trusted household members so they can manage billing and approvals.',
+    rentWeightLabel: 'Rent weight',
+    saveRentWeightAction: 'Save rent weight',
+    savingRentWeight: 'Saving weight…',
     promoteAdminAction: 'Promote to admin',
     promotingAdmin: 'Promoting…',
     residentHouseTitle: 'Household access',
@@ -192,6 +195,9 @@ export const dictionary = {
     adminsTitle: 'Админы',
     adminsBody:
       'Повышай доверенных участников, чтобы они могли управлять биллингом и подтверждениями.',
+    rentWeightLabel: 'Вес аренды',
+    saveRentWeightAction: 'Сохранить вес аренды',
+    savingRentWeight: 'Сохраняем вес…',
     promoteAdminAction: 'Сделать админом',
     promotingAdmin: 'Повышаем…',
     residentHouseTitle: 'Доступ к household',
diff --git a/apps/miniapp/src/miniapp-api.ts b/apps/miniapp/src/miniapp-api.ts
index a87da94..f367688 100644
--- a/apps/miniapp/src/miniapp-api.ts
+++ b/apps/miniapp/src/miniapp-api.ts
@@ -37,6 +37,7 @@ export interface MiniAppPendingMember {
 export interface MiniAppMember {
   id: string
   displayName: string
+  rentShareWeight: number
   isAdmin: boolean
 }
 
@@ -452,6 +453,37 @@ export async function promoteMiniAppMember(
   return payload.member
 }
 
+export async function updateMiniAppMemberRentWeight(
+  initData: string,
+  memberId: string,
+  rentShareWeight: number
+): Promise<MiniAppMember> {
+  const response = await fetch(`${apiBaseUrl()}/api/miniapp/admin/members/rent-weight`, {
+    method: 'POST',
+    headers: {
+      'content-type': 'application/json'
+    },
+    body: JSON.stringify({
+      initData,
+      memberId,
+      rentShareWeight
+    })
+  })
+
+  const payload = (await response.json()) as {
+    ok: boolean
+    authorized?: boolean
+    member?: MiniAppMember
+    error?: string
+  }
+
+  if (!response.ok || !payload.member) {
+    throw new Error(payload.error ?? 'Failed to update member rent weight')
+  }
+
+  return payload.member
+}
+
 export async function fetchMiniAppBillingCycle(initData: string): Promise<MiniAppAdminCycleState> {
   const response = await fetch(`${apiBaseUrl()}/api/miniapp/admin/billing-cycle`, {
     method: 'POST',
diff --git a/packages/application/src/miniapp-admin-service.test.ts b/packages/application/src/miniapp-admin-service.test.ts
index 4128163..9ccd301 100644
--- a/packages/application/src/miniapp-admin-service.test.ts
+++ b/packages/application/src/miniapp-admin-service.test.ts
@@ -55,6 +55,7 @@ function repository(): HouseholdConfigurationRepository {
       displayName: input.displayName,
       preferredLocale: input.preferredLocale ?? null,
       householdDefaultLocale: 'ru',
+      rentShareWeight: 1,
       isAdmin: input.isAdmin === true
     }),
     getHouseholdMember: async () => null,
@@ -80,6 +81,7 @@ function repository(): HouseholdConfigurationRepository {
             displayName: 'Stan',
             preferredLocale: null,
             householdDefaultLocale: 'ru',
+            rentShareWeight: 1,
             isAdmin: false
           }
         : null,
@@ -100,6 +102,7 @@ function repository(): HouseholdConfigurationRepository {
             displayName: 'Stan',
             preferredLocale: locale,
             householdDefaultLocale: 'ru',
+            rentShareWeight: 1,
             isAdmin: false
           }
         : null,
@@ -141,8 +144,22 @@ function repository(): HouseholdConfigurationRepository {
             displayName: 'Stan',
             preferredLocale: null,
             householdDefaultLocale: 'ru',
+            rentShareWeight: 1,
             isAdmin: true
           }
+        : null,
+    updateHouseholdMemberRentShareWeight: async (_householdId, memberId, rentShareWeight) =>
+      memberId === 'member-123456'
+        ? {
+            id: memberId,
+            householdId: 'household-1',
+            telegramUserId: '123456',
+            displayName: 'Stan',
+            preferredLocale: null,
+            householdDefaultLocale: 'ru',
+            rentShareWeight,
+            isAdmin: false
+          }
         : null
   }
 }
@@ -283,6 +300,7 @@ describe('createMiniAppAdminService', () => {
         displayName: 'Stan',
         preferredLocale: null,
         householdDefaultLocale: 'ru',
+        rentShareWeight: 1,
         isAdmin: false
       }
     })
@@ -306,6 +324,7 @@ describe('createMiniAppAdminService', () => {
         displayName: 'Stan',
         preferredLocale: null,
         householdDefaultLocale: 'ru',
+        rentShareWeight: 1,
         isAdmin: true
       }
     })
diff --git a/packages/application/src/miniapp-admin-service.ts b/packages/application/src/miniapp-admin-service.ts
index abc403e..f66b106 100644
--- a/packages/application/src/miniapp-admin-service.ts
+++ b/packages/application/src/miniapp-admin-service.ts
@@ -108,6 +108,21 @@ export interface MiniAppAdminService {
         reason: 'not_admin' | 'member_not_found'
       }
   >
+  updateMemberRentShareWeight(input: {
+    householdId: string
+    actorIsAdmin: boolean
+    memberId: string
+    rentShareWeight: number
+  }): Promise<
+    | {
+        status: 'ok'
+        member: HouseholdMemberRecord
+      }
+    | {
+        status: 'rejected'
+        reason: 'not_admin' | 'invalid_weight' | 'member_not_found'
+      }
+  >
 }
 
 export function createMiniAppAdminService(
@@ -288,6 +303,39 @@ export function createMiniAppAdminService(
         }
       }
 
+      return {
+        status: 'ok',
+        member
+      }
+    },
+
+    async updateMemberRentShareWeight(input) {
+      if (!input.actorIsAdmin) {
+        return {
+          status: 'rejected',
+          reason: 'not_admin'
+        }
+      }
+
+      if (!Number.isInteger(input.rentShareWeight) || input.rentShareWeight <= 0) {
+        return {
+          status: 'rejected',
+          reason: 'invalid_weight'
+        }
+      }
+
+      const member = await repository.updateHouseholdMemberRentShareWeight(
+        input.householdId,
+        input.memberId,
+        input.rentShareWeight
+      )
+      if (!member) {
+        return {
+          status: 'rejected',
+          reason: 'member_not_found'
+        }
+      }
+
       return {
         status: 'ok',
         member