diff --git a/ui/litellm-dashboard/src/components/team/TeamInfo.test.tsx b/ui/litellm-dashboard/src/components/team/TeamInfo.test.tsx
index 4650f4b6987..3a6ab2ffe1a 100644
--- a/ui/litellm-dashboard/src/components/team/TeamInfo.test.tsx
+++ b/ui/litellm-dashboard/src/components/team/TeamInfo.test.tsx
@@ -2118,6 +2118,43 @@ describe("TeamInfoView - which team member fields reach the update payload depen
     expect(JSON.parse(JSON.stringify(payload))).not.toHaveProperty("team_member_budget_duration");
   });
 
+  it("sends a null team_member_budget when Default Budget is cleared, instead of a $0 cap", async () => {
+    const user = userEvent.setup({ delay: null });
+    await openEditor(user);
+
+    await user.click(screen.getByText("Team Member Settings"));
+    fireEvent.change(await screen.findByLabelText("Default Budget (USD)"), { target: { value: "" } });
+    const payload = await save(user);
+
+    expect(JSON.parse(JSON.stringify(payload))).toMatchObject({
+      team_member_budget: null,
+      team_member_tpm_limit: 11,
+      team_member_rpm_limit: 22,
+    });
+  });
+
+  it("keeps a member default with no dollar cap uncapped when Team Member Settings is saved", async () => {
+    const user = userEvent.setup({ delay: null });
+    await openEditor(user, { max_budget: null, budget_duration: "30d", tpm_limit: null, rpm_limit: 60 });
+
+    await user.click(screen.getByText("Team Member Settings"));
+    await screen.findByLabelText("Default Budget (USD)");
+    const payload = await save(user);
+
+    expect(JSON.parse(JSON.stringify(payload))).toMatchObject({ team_member_budget: null, team_member_rpm_limit: 60 });
+  });
+
+  it("sends a typed Default Budget as a number", async () => {
+    const user = userEvent.setup({ delay: null });
+    await openEditor(user);
+
+    await user.click(screen.getByText("Team Member Settings"));
+    fireEvent.change(await screen.findByLabelText("Default Budget (USD)"), { target: { value: "12.5" } });
+    const payload = await save(user);
+
+    expect(payload.team_member_budget).toBe(12.5);
+  });
+
   it("omits object_permission.search_tools while Search Tool Settings is closed", async () => {
     const user = userEvent.setup({ delay: null });
     await openEditor(user);
@@ -2456,7 +2493,7 @@ describe("TeamInfoView - the exact bytes the update call sends", () => {
     expect(networking.teamUpdateCall).not.toHaveBeenCalled();
   });
 
-  it("carries every typed value to the update payload at the type and shape antd sends today", async () => {
+  it("carries every typed value to the update payload, with numeric fields as numbers", async () => {
     const user = userEvent.setup({ delay: null });
     await openEditor(user);
 
@@ -2479,8 +2516,8 @@ describe("TeamInfoView - the exact bytes the update call sends", () => {
     const payload = await save(user);
 
     expect(payload.team_alias).toBe("Renamed Team");
-    expect(payload.soft_budget).toBe("9.5");
-    expect(payload.tpm_limit).toBe("555");
+    expect(payload.soft_budget).toBe(9.5);
+    expect(payload.tpm_limit).toBe(555);
     expect((payload.metadata as Record<string, unknown>).soft_budget_alerting_emails).toStrictEqual([
       "a@test.com",
       "b@test.com",
diff --git a/ui/litellm-dashboard/src/components/team/TeamInfo.tsx b/ui/litellm-dashboard/src/components/team/TeamInfo.tsx
index 1128d8ebe1a..4c62423a474 100644
--- a/ui/litellm-dashboard/src/components/team/TeamInfo.tsx
+++ b/ui/litellm-dashboard/src/components/team/TeamInfo.tsx
@@ -19,7 +19,7 @@ import {
 } from "@/components/networking";
 import { useGuardrails, GuardrailListItem } from "@/app/(dashboard)/hooks/guardrails/useGuardrails";
 import { formatNumberWithCommas } from "@/utils/dataUtils";
-import { mapEmptyStringToNull } from "@/utils/keyUpdateUtils";
+import { numberOrNull } from "@/lib/forms/numberOrNull";
 import type { ObjectPermission } from "@/components/object_permission_types";
 import { isProxyAdminRole } from "@/utils/roles";
 import { ArrowLeftIcon } from "@heroicons/react/outline";
@@ -326,7 +326,7 @@ export interface TeamData {
     object_permission?: ObjectPermission | null;
     caller_edit_access?: CallerEditAccess;
     team_member_budget_table: {
-      max_budget: number;
+      max_budget: number | null;
       budget_duration: string | null;
       tpm_limit: number | null;
       rpm_limit: number | null;
@@ -980,14 +980,7 @@ const TeamInfoView: React.FC<TeamInfoProps> = ({
         }
       }
 
-      const sanitizeNumeric = (v: any) => {
-        if (v === null || v === undefined) return null;
-        if (typeof v === "string" && v.trim() === "") return null;
-        if (typeof v === "number" && Number.isNaN(v)) return null;
-        return v;
-      };
-
-      const estimatedOutputTokens = sanitizeNumeric(values.default_estimated_output_tokens);
+      const estimatedOutputTokens = numberOrNull(values.default_estimated_output_tokens);
 
       let estimatedOutputTokensPerModel: Record<string, number> | undefined;
       if (typeof values.default_estimated_output_tokens_per_model === "string") {
@@ -1037,13 +1030,13 @@ const TeamInfoView: React.FC<TeamInfoProps> = ({
         team_id: teamId,
         team_alias: values.team_alias,
         models: normalizeTeamModelSelection(values.models),
-        tpm_limit: sanitizeNumeric(values.tpm_limit),
-        rpm_limit: sanitizeNumeric(values.rpm_limit),
-        tpd_limit: sanitizeNumeric(values.tpd_limit),
+        tpm_limit: numberOrNull(values.tpm_limit),
+        rpm_limit: numberOrNull(values.rpm_limit),
+        tpd_limit: numberOrNull(values.tpd_limit),
         model_tpm_limit: modelTpmLimit,
         model_rpm_limit: modelRpmLimit,
-        max_budget: values.max_budget,
-        soft_budget: sanitizeNumeric(values.soft_budget),
+        max_budget: numberOrNull(values.max_budget),
+        soft_budget: numberOrNull(values.soft_budget),
         budget_duration: values.budget_duration ?? null,
         metadata: {
           ...parsedMetadata,
@@ -1052,7 +1045,7 @@ const TeamInfoView: React.FC<TeamInfoProps> = ({
           opted_out_global_guardrails: optedOutGlobalGuardrails,
           ...(values.logging_settings?.length > 0 ? { logging: values.logging_settings } : {}),
           disable_global_guardrails: killSwitchOnAtSave,
-          ...(estimatedOutputTokens !== null ? { default_estimated_output_tokens: Number(estimatedOutputTokens) } : {}),
+          ...(estimatedOutputTokens !== null ? { default_estimated_output_tokens: estimatedOutputTokens } : {}),
           ...(estimatedOutputTokensPerModel !== undefined
             ? { default_estimated_output_tokens_per_model: estimatedOutputTokensPerModel }
             : {}),
@@ -1070,11 +1063,10 @@ const TeamInfoView: React.FC<TeamInfoProps> = ({
         ...(values.organization_id !== info.organization_id ? { organization_id: values.organization_id ?? null } : {}),
       };
 
-      updateData.max_budget = mapEmptyStringToNull(updateData.max_budget);
       updateData.team_member_budget_duration = values.team_member_budget_duration;
 
       const newTeamMemberBudget =
-        values.team_member_budget !== undefined ? Number(values.team_member_budget) : undefined;
+        values.team_member_budget !== undefined ? numberOrNull(values.team_member_budget) : undefined;
       if (newTeamMemberBudget !== undefined) {
         updateData.team_member_budget = newTeamMemberBudget;
       }
@@ -1084,8 +1076,8 @@ const TeamInfoView: React.FC<TeamInfoProps> = ({
       }
 
       if (values.team_member_tpm_limit !== undefined || values.team_member_rpm_limit !== undefined) {
-        updateData.team_member_tpm_limit = sanitizeNumeric(values.team_member_tpm_limit);
-        updateData.team_member_rpm_limit = sanitizeNumeric(values.team_member_rpm_limit);
+        updateData.team_member_tpm_limit = numberOrNull(values.team_member_tpm_limit);
+        updateData.team_member_rpm_limit = numberOrNull(values.team_member_rpm_limit);
       }
 
       // Handle object_permission updates
@@ -1224,7 +1216,7 @@ const TeamInfoView: React.FC<TeamInfoProps> = ({
 
       const customBudgetUserIds = customBudgetMemberUserIds(teamData?.team_memberships ?? []);
       if (
-        newTeamMemberBudget !== undefined &&
+        typeof newTeamMemberBudget === "number" &&
         shouldPromptMemberBudgetReset(
           newTeamMemberBudget,
           info.team_member_budget_table?.max_budget,
diff --git a/ui/litellm-dashboard/src/components/team/teamAdminEditAccess.ts b/ui/litellm-dashboard/src/components/team/teamAdminEditAccess.ts
index 686ad06b121..dc74691d96e 100644
--- a/ui/litellm-dashboard/src/components/team/teamAdminEditAccess.ts
+++ b/ui/litellm-dashboard/src/components/team/teamAdminEditAccess.ts
@@ -1,4 +1,5 @@
 import { z } from "zod";
+import { numberOrNull } from "@/lib/forms/numberOrNull";
 
 export const TEAM_ADMIN_EDITABLE_TEAM_FIELDS_SETTING = "team_admin_editable_team_fields";
 
@@ -57,12 +58,6 @@ export type TeamAdminSettingsValues = { readonly [F in TeamAdminSettingsField]?:
 
 export type TeamAdminSettingsChanges = { readonly [F in TeamAdminSettingsField]?: number | null };
 
-const numberOrNull = (value: string | number | null | undefined): number | null => {
-  if (value === null || value === undefined || String(value).trim() === "") return null;
-  const parsed = Number(value);
-  return Number.isNaN(parsed) ? null : parsed;
-};
-
 export const teamAdminSettingsChanges = (
   values: TeamAdminSettingsValues,
   initialValues: TeamAdminSettingsValues,
diff --git a/ui/litellm-dashboard/src/lib/forms/numberOrNull.ts b/ui/litellm-dashboard/src/lib/forms/numberOrNull.ts
new file mode 100644
index 00000000000..125cd203e4b
--- /dev/null
+++ b/ui/litellm-dashboard/src/lib/forms/numberOrNull.ts
@@ -0,0 +1,5 @@
+export const numberOrNull = (value: string | number | null | undefined): number | null => {
+  if (value === null || value === undefined || String(value).trim() === "") return null;
+  const parsed = Number(value);
+  return Number.isNaN(parsed) ? null : parsed;
+};