diff --git a/src/style_manager/model/Property.js b/src/style_manager/model/Property.js
index 9394fd2ed..1b7b8f2a6 100644
--- a/src/style_manager/model/Property.js
+++ b/src/style_manager/model/Property.js
@@ -1,5 +1,5 @@
 import { Model } from 'common';
-import { isUndefined, isString } from 'underscore';
+import { isUndefined, isString, result } from 'underscore';
 import { capitalize } from 'utils/mixins';
 
 export default class Property extends Model {
@@ -48,6 +48,15 @@ export default class Property extends Model {
     return this.get('name');
   }
 
+  /**
+   * Get property value.
+   * @returns {String}
+   */
+  getValue() {
+    const val = this.get('value');
+    return isUndefined(val) ? this.getDefaultValue() : val;
+  }
+
   /**
    * Clear the value
    * @return {this}
@@ -223,6 +232,10 @@ Property.callInit = function(context, props, opts = {}) {
   !opts.skipInit && context.init(props, opts);
 };
 
+Property.getDefaults = function() {
+  return result(this.prototype, 'defaults');
+};
+
 Property.prototype.defaults = {
   name: '',
   property: '',
diff --git a/src/style_manager/model/PropertyInteger.js b/src/style_manager/model/PropertyInteger.js
index 8391221e1..795333716 100644
--- a/src/style_manager/model/PropertyInteger.js
+++ b/src/style_manager/model/PropertyInteger.js
@@ -22,6 +22,22 @@ export default Property.extend({
     max: ''
   },
 
+  /**
+   * Get property units.
+   * @returns {Array<String>}
+   */
+  getUnits() {
+    return this.get('units') || [];
+  },
+
+  /**
+   * Get property unit value.
+   * @returns {String}
+   */
+  getValueUnit() {
+    return this.get('unit');
+  },
+
   initialize(props = {}, opts = {}) {
     Property.callParentInit(Property, this, props, opts);
     const unit = this.get('unit');