diff --git a/pkg/deploy/api/types.go b/pkg/deploy/api/types.go
index a9aca0092ea3..d2cb431648c4 100644
--- a/pkg/deploy/api/types.go
+++ b/pkg/deploy/api/types.go
@@ -345,6 +345,8 @@ type DeploymentConfigStatus struct {
 	// Details are the reasons for the update to this deployment config.
 	// This could be based on a change made by the user or caused by an automatic trigger
 	Details *DeploymentDetails
+	// Conditions represents the latest available observations of a deployment config's current state.
+	Conditions []DeploymentCondition
 }
 
 // DeploymentTriggerPolicy describes a policy for a single trigger that results in a new deployment.
@@ -409,6 +411,37 @@ type DeploymentCauseImageTrigger struct {
 	From kapi.ObjectReference
 }
 
+type DeploymentConditionType string
+
+// These are valid conditions of a deployment config.
+const (
+	// DeploymentAvailable means the deployment config is available, ie. at least the minimum available
+	// replicas required are up and running for at least minReadySeconds.
+	DeploymentAvailable DeploymentConditionType = "Available"
+	// DeploymentProgressing means the deployment config is progressing. Progress for a deployment
+	// config is considered when a new replica set is created or adopted, and when new pods scale up or
+	// old pods scale down. Progress is not estimated for paused deployment configs, when the deployment
+	// config needs to rollback, or when progressDeadlineSeconds is not specified.
+	DeploymentProgressing DeploymentConditionType = "Progressing"
+	// DeploymentReplicaFailure is added in a deployment config when one of its pods
+	// fails to be created or deleted.
+	DeploymentReplicaFailure DeploymentConditionType = "ReplicaFailure"
+)
+
+// DeploymentCondition describes the state of a deployment config at a certain point.
+type DeploymentCondition struct {
+	// Type of deployment condition.
+	Type DeploymentConditionType
+	// Status of the condition, one of True, False, Unknown.
+	Status kapi.ConditionStatus
+	// The last time the condition transitioned from one status to another.
+	LastTransitionTime unversioned.Time
+	// The reason for the condition's last transition.
+	Reason string
+	// A human readable message indicating details about the transition.
+	Message string
+}
+
 // DeploymentConfigList is a collection of deployment configs.
 type DeploymentConfigList struct {
 	unversioned.TypeMeta
diff --git a/pkg/deploy/api/v1/types.go b/pkg/deploy/api/v1/types.go
index 7c38ab23299d..5ebb8179a722 100644
--- a/pkg/deploy/api/v1/types.go
+++ b/pkg/deploy/api/v1/types.go
@@ -321,6 +321,8 @@ type DeploymentConfigStatus struct {
 	// Details are the reasons for the update to this deployment config.
 	// This could be based on a change made by the user or caused by an automatic trigger
 	Details *DeploymentDetails `json:"details,omitempty" protobuf:"bytes,7,opt,name=details"`
+	// Conditions represents the latest available observations of a deployment config's current state.
+	Conditions []DeploymentCondition `json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type"`
 }
 
 // DeploymentTriggerPolicy describes a policy for a single trigger that results in a new deployment.
@@ -384,6 +386,37 @@ type DeploymentCauseImageTrigger struct {
 	From kapi.ObjectReference `json:"from" protobuf:"bytes,1,opt,name=from"`
 }
 
+type DeploymentConditionType string
+
+// These are valid conditions of a deployment config.
+const (
+	// DeploymentAvailable means the deployment config is available, ie. at least the minimum available
+	// replicas required are up and running for at least minReadySeconds.
+	DeploymentAvailable DeploymentConditionType = "Available"
+	// DeploymentProgressing means the deployment config is progressing. Progress for a deployment
+	// config is considered when a new replica set is created or adopted, and when new pods scale up or
+	// old pods scale down. Progress is not estimated for paused deployment configs, when the deployment
+	// config needs to rollback, or when progressDeadlineSeconds is not specified.
+	DeploymentProgressing DeploymentConditionType = "Progressing"
+	// DeploymentReplicaFailure is added in a deployment config when one of its pods
+	// fails to be created or deleted.
+	DeploymentReplicaFailure DeploymentConditionType = "ReplicaFailure"
+)
+
+// DeploymentCondition describes the state of a deployment config at a certain point.
+type DeploymentCondition struct {
+	// Type of deployment condition.
+	Type DeploymentConditionType `json:"type"`
+	// Status of the condition, one of True, False, Unknown.
+	Status kapi.ConditionStatus `json:"status"`
+	// The last time the condition transitioned from one status to another.
+	LastTransitionTime unversioned.Time `json:"lastTransitionTime,omitempty"`
+	// The reason for the condition's last transition.
+	Reason string `json:"reason,omitempty"`
+	// A human readable message indicating details about the transition.
+	Message string `json:"message,omitempty"`
+}
+
 // DeploymentConfigList is a collection of deployment configs.
 type DeploymentConfigList struct {
 	unversioned.TypeMeta `json:",inline"`