diff --git a/packages/arcgis-rest-portal/src/util/SearchQueryBuilder.ts b/packages/arcgis-rest-portal/src/util/SearchQueryBuilder.ts
index 0d30aeb22b..b42ae74137 100644
--- a/packages/arcgis-rest-portal/src/util/SearchQueryBuilder.ts
+++ b/packages/arcgis-rest-portal/src/util/SearchQueryBuilder.ts
@@ -27,7 +27,7 @@ import { IParamBuilder, warn } from "@esri/arcgis-rest-request";
  *
  * Will search for items matching
  * ```
- * "owner: Patrick AND (type: "Web Mapping Application" OR type: "Mobile Application" OR type: Application) AND Demo App"
+ * "owner: Patrick AND (type:"Web Mapping Application" OR type:"Mobile Application" OR type:Application) AND Demo App"
  * ```
  */
 export class SearchQueryBuilder implements IParamBuilder {
@@ -82,7 +82,7 @@ export class SearchQueryBuilder implements IParamBuilder {
     }
 
     if (field && field !== "*") {
-      this.q += `${field}: `;
+      this.q += `${field}:`;
     }
 
     return this.commit();
diff --git a/packages/arcgis-rest-portal/test/groups/search.test.ts b/packages/arcgis-rest-portal/test/groups/search.test.ts
index eedc2e9e38..34d36cda09 100644
--- a/packages/arcgis-rest-portal/test/groups/search.test.ts
+++ b/packages/arcgis-rest-portal/test/groups/search.test.ts
@@ -55,7 +55,7 @@ describe("groups", () => {
 
   it("should make a simple, single search request with a builder", done => {
     fetchMock.once("*", GroupSearchResponse);
-    const expectedParam = "Trees AND owner: USFS";
+    const expectedParam = "Trees AND owner:USFS";
     const q = new SearchQueryBuilder()
       .match("Trees")
       .and()
diff --git a/packages/arcgis-rest-portal/test/items/search.test.ts b/packages/arcgis-rest-portal/test/items/search.test.ts
index 6fbac5875a..4acbc577e2 100644
--- a/packages/arcgis-rest-portal/test/items/search.test.ts
+++ b/packages/arcgis-rest-portal/test/items/search.test.ts
@@ -33,7 +33,7 @@ describe("search", () => {
 
   it("should make a simple, single search request with a builder", done => {
     fetchMock.once("*", SearchResponse);
-    const expectedParam = "DC AND typekeywords: hubSiteApplication";
+    const expectedParam = "DC AND typekeywords:hubSiteApplication";
     const q = new SearchQueryBuilder()
       .match("DC")
       .and()
@@ -108,7 +108,7 @@ describe("search", () => {
 
   it("should pass through other requestOptions at the same time with a builder", done => {
     fetchMock.once("*", SearchResponse);
-    const expectedParam = "DC AND typekeywords: hubSiteApplication";
+    const expectedParam = "DC AND typekeywords:hubSiteApplication";
     const q = new SearchQueryBuilder()
       .match("DC")
       .and()
diff --git a/packages/arcgis-rest-portal/test/util/SearchQueryBuilder.test.ts b/packages/arcgis-rest-portal/test/util/SearchQueryBuilder.test.ts
index 5437e00d18..40b24d1cd5 100644
--- a/packages/arcgis-rest-portal/test/util/SearchQueryBuilder.test.ts
+++ b/packages/arcgis-rest-portal/test/util/SearchQueryBuilder.test.ts
@@ -31,7 +31,7 @@ describe("SearchQueryBuilder", () => {
       .match("test")
       .in("tags")
       .toParam();
-    expect(query).toEqual("tags: test");
+    expect(query).toEqual("tags:test");
   });
 
   it("should warp multi word search terms in quotes", () => {
@@ -63,7 +63,7 @@ describe("SearchQueryBuilder", () => {
       .in("tags")
       .toParam();
 
-    expect(query).toEqual("bar AND tags: foo");
+    expect(query).toEqual("bar AND tags:foo");
   });
 
   it("should format a simple range", () => {
@@ -72,7 +72,7 @@ describe("SearchQueryBuilder", () => {
       .to("z")
       .in("title")
       .toParam();
-    expect(query).toEqual("title: [a TO z]");
+    expect(query).toEqual("title:[a TO z]");
   });
 
   it("should format a simple group", () => {
@@ -83,7 +83,7 @@ describe("SearchQueryBuilder", () => {
       .in("title")
       .endGroup()
       .toParam();
-    expect(query).toEqual("(title: [a TO z])");
+    expect(query).toEqual("(title:[a TO z])");
   });
 
   it("should boost the previous search", () => {
@@ -110,7 +110,7 @@ describe("SearchQueryBuilder", () => {
       .toParam();
 
     expect(query).toEqual(
-      `created: [${expectedDate1} TO ${expectedDate2}] AND tags: test`
+      `created:[${expectedDate1} TO ${expectedDate2}] AND tags:test`
     );
   });
 
@@ -135,7 +135,7 @@ describe("SearchQueryBuilder", () => {
       .toParam();
 
     expect(query).toEqual(
-      `owner: fred AND (type: "Web Mapping Application" OR type: "Mobile Application" OR type: Application) AND test`
+      `owner:fred AND (type:"Web Mapping Application" OR type:"Mobile Application" OR type:Application) AND test`
     );
   });
 
@@ -162,11 +162,11 @@ describe("SearchQueryBuilder", () => {
       .in("*");
 
     expect(myAppsQuery.toParam()).toEqual(
-      `owner: fred AND (type: "Web Mapping Application" OR type: "Mobile Application" OR type: Application)`
+      `owner:fred AND (type:"Web Mapping Application" OR type:"Mobile Application" OR type:Application)`
     );
 
     expect(myTestAppsQuery.toParam()).toEqual(
-      `owner: fred AND (type: "Web Mapping Application" OR type: "Mobile Application" OR type: Application) AND test`
+      `owner:fred AND (type:"Web Mapping Application" OR type:"Mobile Application" OR type:Application) AND test`
     );
   });
 
@@ -296,7 +296,7 @@ describe("SearchQueryBuilder", () => {
       .toParam();
 
     expect(console.warn).toHaveBeenCalled();
-    expect(query).toEqual("title: a");
+    expect(query).toEqual("title:a");
   });
 
   it("should not allow .match().from().in(), and warn user", () => {
@@ -307,7 +307,7 @@ describe("SearchQueryBuilder", () => {
       .toParam();
 
     expect(console.warn).toHaveBeenCalled();
-    expect(query).toEqual("title: test");
+    expect(query).toEqual("title:test");
   });
 
   it("should", () => {