diff --git a/src/controllers/sites.js b/src/controllers/sites.js
index ab3ccea80..0d41e57e1 100755
--- a/src/controllers/sites.js
+++ b/src/controllers/sites.js
@@ -110,6 +110,12 @@ function SitesController(ctx, log, env) {
     if (!accessControlUtil.hasAdminAccess()) {
       return forbidden('Only admins can create new sites');
     }
+    const exists = await Site.findByBaseURL(context?.data?.baseURL);
+    if (exists) {
+      return createResponse({
+        message: `Site with baseURL ${context?.data?.baseURL} exists`,
+      }, 409);
+    }
     const site = await Site.create({
       organizationId: env.DEFAULT_ORGANIZATION_ID,
       ...context.data,
@@ -589,6 +595,8 @@ function SitesController(ctx, log, env) {
 
       const projectedTrafficValue = pageViewsChange * cpc;
 
+      log.info(`Got RUM metrics for site ${siteId} current: ${current.length}`);
+
       return ok({
         pageViewsChange,
         ctrChange,
diff --git a/test/controllers/sites.test.js b/test/controllers/sites.test.js
index 37d1f7a6d..2fb4c0b7b 100644
--- a/test/controllers/sites.test.js
+++ b/test/controllers/sites.test.js
@@ -255,6 +255,7 @@ describe('Sites Controller', () => {
   });
 
   it('creates a site', async () => {
+    mockDataAccess.Site.findByBaseURL.resolves(null);
     const response = await sitesController.createSite({ data: { baseURL: 'https://site1.com' } });
 
     expect(mockDataAccess.Site.create).to.have.been.calledOnce;
@@ -265,6 +266,15 @@ describe('Sites Controller', () => {
     expect(site).to.have.property('baseURL', 'https://site1.com');
   });
 
+  it('creates site returns 409 if a site with baseURL exists', async () => {
+    const response = await sitesController.createSite({ data: { baseURL: 'https://site1.com' } });
+
+    expect(mockDataAccess.Site.create).to.have.not.been.called;
+    expect(response.status).to.equal(409);
+    const respJson = await response.json();
+    expect(respJson).to.have.property('message', 'Site with baseURL https://site1.com exists');
+  });
+
   it('creates a site for a non-admin user', async () => {
     context.attributes.authInfo.withProfile({ is_admin: false });
     const response = await sitesController.createSite({ data: { baseURL: 'https://site1.com' } });