diff --git a/Microsoft.Azure.Cosmos/src/Resource/Settings/AccountProperties.cs b/Microsoft.Azure.Cosmos/src/Resource/Settings/AccountProperties.cs
index 534ad9221a..53c98c118f 100644
--- a/Microsoft.Azure.Cosmos/src/Resource/Settings/AccountProperties.cs
+++ b/Microsoft.Azure.Cosmos/src/Resource/Settings/AccountProperties.cs
@@ -75,7 +75,7 @@ internal AccountProperties()
         /// <remarks>
         /// ETags are used for concurrency checking when updating resources. 
         /// </remarks>
-        [JsonProperty(PropertyName = Constants.Properties.ETag)]
+        [JsonProperty(PropertyName = Constants.Properties.ETag, NullValueHandling = NullValueHandling.Ignore)]
         public string ETag { get; internal set; }
 
         /// <summary>
@@ -89,7 +89,7 @@ internal AccountProperties()
         /// resource whether that is a database, a collection or a document.
         /// These resource ids are used when building up SelfLinks, a static addressable Uri for each resource within a database account.
         /// </remarks>
-        [JsonProperty(PropertyName = Constants.Properties.RId)]
+        [JsonProperty(PropertyName = Constants.Properties.RId, NullValueHandling = NullValueHandling.Ignore)]
         internal string ResourceId { get; set; }
 
         [JsonProperty(PropertyName = Constants.Properties.WritableLocations)]
diff --git a/Microsoft.Azure.Cosmos/src/Resource/Settings/DatabaseProperties.cs b/Microsoft.Azure.Cosmos/src/Resource/Settings/DatabaseProperties.cs
index 0a2d0d3097..e3a8287c6d 100644
--- a/Microsoft.Azure.Cosmos/src/Resource/Settings/DatabaseProperties.cs
+++ b/Microsoft.Azure.Cosmos/src/Resource/Settings/DatabaseProperties.cs
@@ -112,7 +112,7 @@ public string Id
         /// <remarks>
         /// ETags are used for concurrency checking when updating resources. 
         /// </remarks>
-        [JsonProperty(PropertyName = Constants.Properties.ETag)]
+        [JsonProperty(PropertyName = Constants.Properties.ETag, NullValueHandling = NullValueHandling.Ignore)]
         public string ETag { get; private set; }
 
         /// <summary>
@@ -120,7 +120,7 @@ public string Id
         /// </summary>
         /// <value>The last modified time stamp associated with the resource.</value>
         [JsonConverter(typeof(UnixDateTimeConverter))]
-        [JsonProperty(PropertyName = Constants.Properties.LastModified)]
+        [JsonProperty(PropertyName = Constants.Properties.LastModified, NullValueHandling = NullValueHandling.Ignore)]
         public DateTime? LastModified { get; private set; }
 
         /// <summary>
@@ -145,7 +145,7 @@ public string Id
         /// resource whether that is a database, a collection or a document.
         /// These resource ids are used when building up SelfLinks, a static addressable Uri for each resource within a database account.
         /// </remarks>
-        [JsonProperty(PropertyName = Constants.Properties.RId)]
+        [JsonProperty(PropertyName = Constants.Properties.RId, NullValueHandling = NullValueHandling.Ignore)]
         internal string ResourceId { get; private set; }
     }
 }
diff --git a/Microsoft.Azure.Cosmos/src/Resource/Settings/PermissionProperties.cs b/Microsoft.Azure.Cosmos/src/Resource/Settings/PermissionProperties.cs
index 715ef62de3..0c00855fec 100644
--- a/Microsoft.Azure.Cosmos/src/Resource/Settings/PermissionProperties.cs
+++ b/Microsoft.Azure.Cosmos/src/Resource/Settings/PermissionProperties.cs
@@ -15,7 +15,7 @@ namespace Microsoft.Azure.Cosmos
     public class PermissionProperties
     {
         /// <summary>
-        /// Initialize a new instance of the <see cref="PermissionProperties"/> with permssion to <see cref="Container"/>.
+        /// Initialize a new instance of the <see cref="PermissionProperties"/> with permission to <see cref="Container"/>.
         /// </summary>
         /// <param name="id">The permission id.</param>
         /// <param name="permissionMode">The <see cref="PermissionMode"/>.</param>
@@ -40,7 +40,7 @@ public PermissionProperties(string id,
         }
 
         /// <summary>
-        /// Initialize a new instance of the <see cref="PermissionProperties"/> with permssion to cosnmos item.
+        /// Initialize a new instance of the <see cref="PermissionProperties"/> with permission to Cosmos item.
         /// </summary>
         /// <param name="id">The permission id.</param>
         /// <param name="permissionMode">The <see cref="PermissionMode"/>.</param>
diff --git a/Microsoft.Azure.Cosmos/src/Resource/Settings/StoredProcedureProperties.cs b/Microsoft.Azure.Cosmos/src/Resource/Settings/StoredProcedureProperties.cs
index 585628d997..3249b4a716 100644
--- a/Microsoft.Azure.Cosmos/src/Resource/Settings/StoredProcedureProperties.cs
+++ b/Microsoft.Azure.Cosmos/src/Resource/Settings/StoredProcedureProperties.cs
@@ -81,7 +81,7 @@ public string Id
         /// <remarks>
         /// ETags are used for concurrency checking when updating resources. 
         /// </remarks>
-        [JsonProperty(PropertyName = Constants.Properties.ETag)]
+        [JsonProperty(PropertyName = Constants.Properties.ETag, NullValueHandling = NullValueHandling.Ignore)]
         public string ETag { get; private set; }
 
         /// <summary>
@@ -89,7 +89,7 @@ public string Id
         /// </summary>
         /// <value>The last modified timestamp associated with the resource.</value>
         [JsonConverter(typeof(UnixDateTimeConverter))]
-        [JsonProperty(PropertyName = Constants.Properties.LastModified)]
+        [JsonProperty(PropertyName = Constants.Properties.LastModified, NullValueHandling = NullValueHandling.Ignore)]
         public DateTime? LastModified { get; private set; }
 
         /// <summary>
@@ -114,7 +114,7 @@ public string Id
         /// resource whether that is a database, a collection or a document.
         /// These resource ids are used when building up SelfLinks, a static addressable Uri for each resource within a database account.
         /// </remarks>
-        [JsonProperty(PropertyName = Constants.Properties.RId)]
+        [JsonProperty(PropertyName = Constants.Properties.RId, NullValueHandling = NullValueHandling.Ignore)]
         internal string ResourceId { get; private set; }
     }
 }
diff --git a/Microsoft.Azure.Cosmos/src/Resource/Settings/ThroughputProperties.cs b/Microsoft.Azure.Cosmos/src/Resource/Settings/ThroughputProperties.cs
index 6373ca8db4..9c0ecf7680 100644
--- a/Microsoft.Azure.Cosmos/src/Resource/Settings/ThroughputProperties.cs
+++ b/Microsoft.Azure.Cosmos/src/Resource/Settings/ThroughputProperties.cs
@@ -35,7 +35,7 @@ public class ThroughputProperties
         /// <remarks>
         /// ETags are used for concurrency checking when updating resources.
         /// </remarks>
-        [JsonProperty(PropertyName = Constants.Properties.ETag)]
+        [JsonProperty(PropertyName = Constants.Properties.ETag, NullValueHandling = NullValueHandling.Ignore)]
         public string ETag { get; private set; }
 
         /// <summary>
@@ -43,8 +43,8 @@ public class ThroughputProperties
         /// </summary>
         /// <value>The last modified time stamp associated with the resource.</value>
         [JsonConverter(typeof(UnixDateTimeConverter))]
-        [JsonProperty(PropertyName = Constants.Properties.LastModified)]
-        public DateTime LastModified { get; private set; }
+        [JsonProperty(PropertyName = Constants.Properties.LastModified, NullValueHandling = NullValueHandling.Ignore)]
+        public DateTime? LastModified { get; private set; }
 
         /// <summary>
         /// Gets the provisioned throughput for a resource in measurement of request units per second in the Azure Cosmos service.
@@ -69,13 +69,13 @@ public int? Throughput
         /// <summary>
         /// Gets the offer rid.
         /// </summary>
-        [JsonProperty(PropertyName = Constants.Properties.RId)]
+        [JsonProperty(PropertyName = Constants.Properties.RId, NullValueHandling = NullValueHandling.Ignore)]
         internal string OfferRID { get; private set; }
 
         /// <summary>
         /// Gets the resource rid.
         /// </summary>
-        [JsonProperty(PropertyName = Constants.Properties.OfferResourceId)]
+        [JsonProperty(PropertyName = Constants.Properties.OfferResourceId, NullValueHandling = NullValueHandling.Ignore)]
         internal string ResourceRID { get; private set; }
 
         [JsonProperty(PropertyName = "content", DefaultValueHandling = DefaultValueHandling.Ignore)]
diff --git a/Microsoft.Azure.Cosmos/src/Resource/Settings/TriggerProperties.cs b/Microsoft.Azure.Cosmos/src/Resource/Settings/TriggerProperties.cs
index 76773e9133..befdd74be3 100644
--- a/Microsoft.Azure.Cosmos/src/Resource/Settings/TriggerProperties.cs
+++ b/Microsoft.Azure.Cosmos/src/Resource/Settings/TriggerProperties.cs
@@ -75,7 +75,7 @@ public class TriggerProperties
         /// <remarks>
         /// ETags are used for concurrency checking when updating resources. 
         /// </remarks>
-        [JsonProperty(PropertyName = Constants.Properties.ETag)]
+        [JsonProperty(PropertyName = Constants.Properties.ETag, NullValueHandling = NullValueHandling.Ignore)]
         public string ETag { get; private set; }
 
         /// <summary>
diff --git a/Microsoft.Azure.Cosmos/src/Resource/Settings/UserDefinedFunctionProperties.cs b/Microsoft.Azure.Cosmos/src/Resource/Settings/UserDefinedFunctionProperties.cs
index a109b2b59d..639ded4993 100644
--- a/Microsoft.Azure.Cosmos/src/Resource/Settings/UserDefinedFunctionProperties.cs
+++ b/Microsoft.Azure.Cosmos/src/Resource/Settings/UserDefinedFunctionProperties.cs
@@ -88,7 +88,7 @@ public class UserDefinedFunctionProperties
         /// <remarks>
         /// ETags are used for concurrency checking when updating resources. 
         /// </remarks>
-        [JsonProperty(PropertyName = Constants.Properties.ETag)]
+        [JsonProperty(PropertyName = Constants.Properties.ETag, NullValueHandling = NullValueHandling.Ignore)]
         public string ETag { get; private set; }
 
         /// <summary>
diff --git a/Microsoft.Azure.Cosmos/src/Resource/Settings/UserProperties.cs b/Microsoft.Azure.Cosmos/src/Resource/Settings/UserProperties.cs
index 2e563ac09d..5c7541f32f 100644
--- a/Microsoft.Azure.Cosmos/src/Resource/Settings/UserProperties.cs
+++ b/Microsoft.Azure.Cosmos/src/Resource/Settings/UserProperties.cs
@@ -65,7 +65,7 @@ public string Id
         /// <remarks>
         /// ETags are used for concurrency checking when updating resources. 
         /// </remarks>
-        [JsonProperty(PropertyName = Constants.Properties.ETag)]
+        [JsonProperty(PropertyName = Constants.Properties.ETag, NullValueHandling = NullValueHandling.Ignore)]
         public string ETag { get; private set; }
 
         /// <summary>
@@ -73,7 +73,7 @@ public string Id
         /// </summary>
         /// <value>The last modified time stamp associated with the resource.</value>
         [JsonConverter(typeof(UnixDateTimeConverter))]
-        [JsonProperty(PropertyName = Constants.Properties.LastModified)]
+        [JsonProperty(PropertyName = Constants.Properties.LastModified, NullValueHandling = NullValueHandling.Ignore)]
         public DateTime? LastModified { get; private set; }
 
         /// <summary>
@@ -98,7 +98,7 @@ public string Id
         /// resource whether that is a database, a collection or a document.
         /// These resource ids are used when building up SelfLinks, a static addressable Uri for each resource within a database account.
         /// </remarks>
-        [JsonProperty(PropertyName = Constants.Properties.RId)]
+        [JsonProperty(PropertyName = Constants.Properties.RId, NullValueHandling = NullValueHandling.Ignore)]
         internal string ResourceId { get; set; }
 
         /// <summary>
diff --git a/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/CosmosJsonSeriliazerUnitTests.cs b/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/CosmosJsonSeriliazerUnitTests.cs
index c564ec852d..e1091cf6d1 100644
--- a/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/CosmosJsonSeriliazerUnitTests.cs
+++ b/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/CosmosJsonSeriliazerUnitTests.cs
@@ -51,6 +51,73 @@ public void ValidateSerializer()
             }
         }
 
+        [TestMethod]
+        public void ValidatePropertySerialization()
+        {
+            string id = "testId";
+            this.TestProperty<AccountProperties>(
+                id,
+                $@"{{""id"":""{id}"",""writableLocations"":[],""readableLocations"":[],""userConsistencyPolicy"":null,""addresses"":null,""userReplicationPolicy"":null,""systemReplicationPolicy"":null,""readPolicy"":null,""queryEngineConfiguration"":null,""enableMultipleWriteLocations"":false}}");
+
+            this.TestProperty<DatabaseProperties>(
+                id,
+                $@"{{""id"":""{id}""}}");
+
+            this.TestProperty<ContainerProperties>(
+                id,
+                $@"{{""id"":""{id}"",""partitionKey"":{{""paths"":[],""kind"":""Hash""}}}}");
+
+            this.TestProperty<StoredProcedureProperties>(
+                id,
+                $@"{{""body"":""bodyCantBeNull"",""id"":""testId""}}");
+
+            this.TestProperty<TriggerProperties>(
+                id,
+                $@"{{""body"":null,""triggerType"":""Pre"",""triggerOperation"":""All"",""id"":""{id}""}}");
+
+            this.TestProperty<UserDefinedFunctionProperties>(
+                id,
+                $@"{{""body"":null,""id"":""{id}""}}");
+
+            this.TestProperty<UserProperties>
+                (id,
+                $@"{{""id"":""{id}"",""_permissions"":null}}");
+
+            this.TestProperty<PermissionProperties>(
+                id,
+                $@"{{""id"":""{id}"",""resource"":null,""permissionMode"":0}}");
+
+            this.TestProperty<ConflictProperties>(
+               id,
+               $@"{{""id"":""{id}"",""operationType"":""Invalid"",""resourceType"":null,""resourceId"":null,""content"":null,""conflict_lsn"":0}}");
+
+            // Throughput doesn't have an id.
+            string defaultThroughputJson = @"{""Throughput"":null}";
+            ThroughputProperties property = JsonConvert.DeserializeObject<ThroughputProperties>(defaultThroughputJson);
+            Assert.IsNull(property.Throughput);
+            string propertyJson = JsonConvert.SerializeObject(property, new JsonSerializerSettings()
+            {
+                Formatting = Formatting.None
+            });
+            Assert.AreEqual(defaultThroughputJson, propertyJson);
+        }
+
+        private void TestProperty<T>(string id, string defaultJson)
+        {
+            dynamic property = JsonConvert.DeserializeObject<T>(defaultJson);
+            Assert.AreEqual(id, property.Id);
+            string propertyJson = JsonConvert.SerializeObject(property, new JsonSerializerSettings() {
+                Formatting = Formatting.None
+            });
+
+            Assert.AreEqual(defaultJson, propertyJson);
+            // System properties should be ignored if null
+            Assert.IsFalse(propertyJson.Contains("_etag"));
+            Assert.IsFalse(propertyJson.Contains("_rid"));
+            Assert.IsFalse(propertyJson.Contains("_ts"));
+            Assert.IsFalse(propertyJson.Contains("_self"));
+        }
+
         [TestMethod]
         public void ValidateJson()
         {
diff --git a/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/CosmosSerializerCoreTests.cs b/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/CosmosSerializerCoreTests.cs
index 4ebe93caed..05d9b87327 100644
--- a/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/CosmosSerializerCoreTests.cs
+++ b/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/CosmosSerializerCoreTests.cs
@@ -103,12 +103,12 @@ public void ValidateCustomSerializerNotUsedForInternalTypes()
             this.TestProperty<AccountProperties>(
                 serializerCore,
                 id,
-                $@"{{""id"":""{id}"",""_etag"":null,""_rid"":null,""writableLocations"":[],""readableLocations"":[],""userConsistencyPolicy"":null,""addresses"":null,""userReplicationPolicy"":null,""systemReplicationPolicy"":null,""readPolicy"":null,""queryEngineConfiguration"":null,""enableMultipleWriteLocations"":false}}");
+                $@"{{""id"":""{id}"",""writableLocations"":[],""readableLocations"":[],""userConsistencyPolicy"":null,""addresses"":null,""userReplicationPolicy"":null,""systemReplicationPolicy"":null,""readPolicy"":null,""queryEngineConfiguration"":null,""enableMultipleWriteLocations"":false}}");
 
             this.TestProperty<DatabaseProperties>(
                 serializerCore,
                 id,
-                $@"{{""id"":""{id}"",""_etag"":null,""_ts"":1576767176,""_rid"":null}}");
+                $@"{{""id"":""{id}""}}");
 
             this.TestProperty<ContainerProperties>(
                 serializerCore,
@@ -118,22 +118,22 @@ public void ValidateCustomSerializerNotUsedForInternalTypes()
             this.TestProperty<StoredProcedureProperties>(
                 serializerCore,
                 id,
-                $@"{{""body"":""bodyCantBeNull"",""id"":""{id}"",""_etag"":null,""_ts"":1576767176,""_rid"":null}}");
+                $@"{{""body"":""bodyCantBeNull"",""id"":""{id}""}}");
 
             this.TestProperty<TriggerProperties>(
                 serializerCore,
                 id,
-                $@"{{""body"":null,""triggerType"":""Pre"",""triggerOperation"":""All"",""id"":""{id}"",""_etag"":null}}");
+                $@"{{""body"":null,""triggerType"":""Pre"",""triggerOperation"":""All"",""id"":""{id}""}}");
 
             this.TestProperty<UserDefinedFunctionProperties>(
                 serializerCore,
                 id,
-                $@"{{""body"":null,""id"":""{id}"",""_etag"":null}}");
+                $@"{{""body"":null,""id"":""{id}""}}");
 
             this.TestProperty<UserProperties>(
                 serializerCore,
                 id,
-                $@"{{""id"":""{id}"",""_etag"":null,""_ts"":1576767176,""_rid"":null,""_permissions"":null}}");
+                $@"{{""id"":""{id}"",""_permissions"":null}}");
 
             this.TestProperty<PermissionProperties>(
                 serializerCore,
@@ -146,7 +146,7 @@ public void ValidateCustomSerializerNotUsedForInternalTypes()
                 $@"{{""id"":""{id}"",""operationType"":""Invalid"",""resourceType"":null,""resourceId"":null,""content"":null,""conflict_lsn"":0}}");
 
             // Throughput doesn't have an id.
-            string defaultThroughputJson = @"{""_etag"":null,""_ts"":1576767176,""Throughput"":null,""_rid"":null,""offerResourceId"":null}";
+            string defaultThroughputJson = @"{""Throughput"":null}";
             ThroughputProperties property = JsonConvert.DeserializeObject<ThroughputProperties>(defaultThroughputJson);
             Assert.IsNull(property.Throughput);
             string propertyJson = JsonConvert.SerializeObject(property);
diff --git a/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/DotNetSDKAPI.json b/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/DotNetSDKAPI.json
index 1a69d20b5d..c455c8fbf1 100644
--- a/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/DotNetSDKAPI.json
+++ b/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/DotNetSDKAPI.json
@@ -95,7 +95,7 @@
           ],
           "MethodInfo": null
         },
-        "System.String ETag[Newtonsoft.Json.JsonPropertyAttribute(PropertyName = \"_etag\")]": {
+        "System.String ETag[Newtonsoft.Json.JsonPropertyAttribute(NullValueHandling = 1, PropertyName = \"_etag\")]": {
           "Type": "Property",
           "Attributes": [
             "JsonPropertyAttribute"
@@ -2082,7 +2082,7 @@
           ],
           "MethodInfo": "System.Nullable`1[System.DateTime] get_LastModified()"
         },
-        "System.Nullable`1[System.DateTime] LastModified[Newtonsoft.Json.JsonConverterAttribute(typeof(Microsoft.Azure.Documents.UnixDateTimeConverter))]-[Newtonsoft.Json.JsonPropertyAttribute(PropertyName = \"_ts\")]": {
+        "System.Nullable`1[System.DateTime] LastModified[Newtonsoft.Json.JsonConverterAttribute(typeof(Microsoft.Azure.Documents.UnixDateTimeConverter))]-[Newtonsoft.Json.JsonPropertyAttribute(NullValueHandling = 1, PropertyName = \"_ts\")]": {
           "Type": "Property",
           "Attributes": [
             "JsonConverterAttribute",
@@ -2090,7 +2090,7 @@
           ],
           "MethodInfo": null
         },
-        "System.String ETag[Newtonsoft.Json.JsonPropertyAttribute(PropertyName = \"_etag\")]": {
+        "System.String ETag[Newtonsoft.Json.JsonPropertyAttribute(NullValueHandling = 1, PropertyName = \"_etag\")]": {
           "Type": "Property",
           "Attributes": [
             "JsonPropertyAttribute"
@@ -5516,7 +5516,7 @@
           ],
           "MethodInfo": "System.Nullable`1[System.DateTime] get_LastModified()"
         },
-        "System.Nullable`1[System.DateTime] LastModified[Newtonsoft.Json.JsonConverterAttribute(typeof(Microsoft.Azure.Documents.UnixDateTimeConverter))]-[Newtonsoft.Json.JsonPropertyAttribute(PropertyName = \"_ts\")]": {
+        "System.Nullable`1[System.DateTime] LastModified[Newtonsoft.Json.JsonConverterAttribute(typeof(Microsoft.Azure.Documents.UnixDateTimeConverter))]-[Newtonsoft.Json.JsonPropertyAttribute(NullValueHandling = 1, PropertyName = \"_ts\")]": {
           "Type": "Property",
           "Attributes": [
             "JsonConverterAttribute",
@@ -5531,7 +5531,7 @@
           ],
           "MethodInfo": null
         },
-        "System.String ETag[Newtonsoft.Json.JsonPropertyAttribute(PropertyName = \"_etag\")]": {
+        "System.String ETag[Newtonsoft.Json.JsonPropertyAttribute(NullValueHandling = 1, PropertyName = \"_etag\")]": {
           "Type": "Property",
           "Attributes": [
             "JsonPropertyAttribute"
@@ -5838,7 +5838,7 @@
           ],
           "MethodInfo": null
         },
-        "System.String ETag[Newtonsoft.Json.JsonPropertyAttribute(PropertyName = \"_etag\")]": {
+        "System.String ETag[Newtonsoft.Json.JsonPropertyAttribute(NullValueHandling = 1, PropertyName = \"_etag\")]": {
           "Type": "Property",
           "Attributes": [
             "JsonPropertyAttribute"
@@ -6043,7 +6043,7 @@
           ],
           "MethodInfo": null
         },
-        "System.String ETag[Newtonsoft.Json.JsonPropertyAttribute(PropertyName = \"_etag\")]": {
+        "System.String ETag[Newtonsoft.Json.JsonPropertyAttribute(NullValueHandling = 1, PropertyName = \"_etag\")]": {
           "Type": "Property",
           "Attributes": [
             "JsonPropertyAttribute"
@@ -7327,14 +7327,14 @@
     "ThroughputProperties": {
       "Subclasses": {},
       "Members": {
-        "System.DateTime get_LastModified()[System.Runtime.CompilerServices.CompilerGeneratedAttribute()]": {
+        "System.Nullable`1[System.DateTime] get_LastModified()[System.Runtime.CompilerServices.CompilerGeneratedAttribute()]": {
           "Type": "Method",
           "Attributes": [
             "CompilerGeneratedAttribute"
           ],
-          "MethodInfo": "System.DateTime get_LastModified()"
+          "MethodInfo": "System.Nullable`1[System.DateTime] get_LastModified()"
         },
-        "System.DateTime LastModified[Newtonsoft.Json.JsonConverterAttribute(typeof(Microsoft.Azure.Documents.UnixDateTimeConverter))]-[Newtonsoft.Json.JsonPropertyAttribute(PropertyName = \"_ts\")]": {
+        "System.Nullable`1[System.DateTime] LastModified[Newtonsoft.Json.JsonConverterAttribute(typeof(Microsoft.Azure.Documents.UnixDateTimeConverter))]-[Newtonsoft.Json.JsonPropertyAttribute(NullValueHandling = 1, PropertyName = \"_ts\")]": {
           "Type": "Property",
           "Attributes": [
             "JsonConverterAttribute",
@@ -7352,7 +7352,7 @@
           "Attributes": [],
           "MethodInfo": null
         },
-        "System.String ETag[Newtonsoft.Json.JsonPropertyAttribute(PropertyName = \"_etag\")]": {
+        "System.String ETag[Newtonsoft.Json.JsonPropertyAttribute(NullValueHandling = 1, PropertyName = \"_etag\")]": {
           "Type": "Property",
           "Attributes": [
             "JsonPropertyAttribute"
@@ -7932,7 +7932,7 @@
           ],
           "MethodInfo": "System.Nullable`1[System.DateTime] get_LastModified()"
         },
-        "System.Nullable`1[System.DateTime] LastModified[Newtonsoft.Json.JsonConverterAttribute(typeof(Microsoft.Azure.Documents.UnixDateTimeConverter))]-[Newtonsoft.Json.JsonPropertyAttribute(PropertyName = \"_ts\")]": {
+        "System.Nullable`1[System.DateTime] LastModified[Newtonsoft.Json.JsonConverterAttribute(typeof(Microsoft.Azure.Documents.UnixDateTimeConverter))]-[Newtonsoft.Json.JsonPropertyAttribute(NullValueHandling = 1, PropertyName = \"_ts\")]": {
           "Type": "Property",
           "Attributes": [
             "JsonConverterAttribute",
@@ -7940,7 +7940,7 @@
           ],
           "MethodInfo": null
         },
-        "System.String ETag[Newtonsoft.Json.JsonPropertyAttribute(PropertyName = \"_etag\")]": {
+        "System.String ETag[Newtonsoft.Json.JsonPropertyAttribute(NullValueHandling = 1, PropertyName = \"_etag\")]": {
           "Type": "Property",
           "Attributes": [
             "JsonPropertyAttribute"
diff --git a/changelog.md b/changelog.md
index fbd4c11fac..2e59388045 100644
--- a/changelog.md
+++ b/changelog.md
@@ -18,6 +18,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 
 - [#1105](https://github.com/Azure/azure-cosmos-dotnet-v3/pull/1105) Custom serializer no longer calls SDK owned types that would cause serialization exceptions
+- [#1112](https://github.com/Azure/azure-cosmos-dotnet-v3/pull/1112) Fixed SDK properties like DatabaseProperties to have same JSON attributes
 - [#1116](https://github.com/Azure/azure-cosmos-dotnet-v3/pull/1116) Fixed a deadlock on scenarios with SynchronizationContext while executing async query operations
 - [#1143](https://github.com/Azure/azure-cosmos-dotnet-v3/pull/1143) Fixed permission resource link and authorization issue when doing a query with resource token for a specific partition key
 - [#1150](https://github.com/Azure/azure-cosmos-dotnet-v3/pull/1150) Fixed NullReferenceException when using a non-existent Lease Container.