diff --git a/Pipfile b/Pipfile
index b5fb274..f840545 100644
--- a/Pipfile
+++ b/Pipfile
@@ -11,6 +11,7 @@ python_version = "3.6"
 
 [packages]
 
+sodapy = "*"
 # testpackage = "*"
 
 
@@ -29,8 +30,8 @@ coverage = "~=4.0"
 "coverage.space" = "~=0.8"
 mkdocs = "*"
 docutils = "*"
-Pygments = "*"
+pygments = "*"
 wheel = "*"
-PyInstaller = "*"
+pyinstaller = "*"
 twine = "*"
 sniffer = "*"
diff --git a/Pipfile.lock b/Pipfile.lock
index c64e206..704585a 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "2ec956cc13b6a5f81f12486128ac9b0e36cc0134c450592b18b23039c4a9ceec"
+            "sha256": "18fcd1d4305fced0d31b96329af28e49da74d674cc7ebb41050f812266700345"
         },
         "host-environment-markers": {
             "implementation_name": "cpython",
@@ -27,14 +27,35 @@
             }
         ]
     },
-    "default": {},
+    "default": {
+        "future": {
+            "hashes": [
+                "sha256:e39ced1ab767b5936646cedba8bcce582398233d6a627067d4c6a454c90cfedb"
+            ],
+            "version": "==0.16.0"
+        },
+        "requests": {
+            "hashes": [
+                "sha256:3f3f27a9d0f9092935efc78054ef324eb9f8166718270aefe036dfa1e4f68e1e",
+                "sha256:2109ecea94df90980be040490ff1d879971b024861539abb00054062388b612e"
+            ],
+            "version": "==2.12.1"
+        },
+        "sodapy": {
+            "hashes": [
+                "sha256:6eb513a5623a1881017df302dda84a093fb61619fe835c0b6edb3bce84c16020",
+                "sha256:8931f2c2958110c0564d7b6e94051e45a7bec05da323759e37b22eee2e339bc3"
+            ],
+            "version": "==1.4.5"
+        }
+    },
     "develop": {
         "altgraph": {
             "hashes": [
-                "sha256:b966a3114c7942e2a2b4c2304b2baf1cd2ed7a5a8b2106e64e0709a21d6cfbb4",
-                "sha256:481bac8feb1716bb8e485e652ed94002cc11304abccb2911f8f4574fc9dc207b"
+                "sha256:49dc134049903cc73fb76ca3cc9bef5b2b8c01c28732dd29594f99af2b449fc5",
+                "sha256:fc28b986a68fde8d3ff0e6d6ba3fbdd2cd562d11d45ef7c7735fbd826c9eec2e"
             ],
-            "version": "==0.14"
+            "version": "==0.15"
         },
         "astroid": {
             "hashes": [
@@ -214,10 +235,10 @@
         },
         "macholib": {
             "hashes": [
-                "sha256:15151e4dde7c2cb9758cf43f8672585a8d5b261d40a07cb9f679489c52397488",
-                "sha256:323c9c8b85768244554b3c040808ed6393c783aa6eb1122e04dc8905f442e559"
+                "sha256:7f76a7ef4f58f85889dec25fb532bad5acfd461c444738dfeb2e7bf855d5906b",
+                "sha256:9aeec52d7da59912b15445d08b08d95cee48414f01dd035be06f04a825973c08"
             ],
-            "version": "==1.8"
+            "version": "==1.9"
         },
         "markdown": {
             "hashes": [
diff --git a/cannapy/__init__.py b/cannapy/__init__.py
index b3ca1b1..b0ddc22 100644
--- a/cannapy/__init__.py
+++ b/cannapy/__init__.py
@@ -1,8 +1,8 @@
-"""cannapy package root."""
+"""cannapy module."""
+
+from .organization import Organization
 
 __project__ = 'cannapy'
 __version__ = '0.0.0'
 
 VERSION = "{0} v{1}".format(__project__, __version__)
-
-from .organization import Organization
diff --git a/cannapy/organization.py b/cannapy/organization.py
index fdaf329..531b083 100644
--- a/cannapy/organization.py
+++ b/cannapy/organization.py
@@ -1,3 +1,6 @@
+"""A class representing an organization."""
+
+
 class Organization(object):
     """An organization.
 
diff --git a/cannapy/us/__init__.py b/cannapy/us/__init__.py
new file mode 100644
index 0000000..a5b3ff7
--- /dev/null
+++ b/cannapy/us/__init__.py
@@ -0,0 +1 @@
+"""cannapy submodule for the United States."""
diff --git a/cannapy/us/wa/__init__.py b/cannapy/us/wa/__init__.py
new file mode 100644
index 0000000..aa24ec0
--- /dev/null
+++ b/cannapy/us/wa/__init__.py
@@ -0,0 +1 @@
+"""cannapy submodule for Washington state."""
diff --git a/cannapy/us/wa/wslcb/__init__.py b/cannapy/us/wa/wslcb/__init__.py
new file mode 100644
index 0000000..8708e86
--- /dev/null
+++ b/cannapy/us/wa/wslcb/__init__.py
@@ -0,0 +1 @@
+"""cannapy submodule for Washington State Liquor & Cannabis Board (WSLCB)."""
diff --git a/cannapy/us/wa/wslcb/portal.py b/cannapy/us/wa/wslcb/portal.py
new file mode 100644
index 0000000..5371c10
--- /dev/null
+++ b/cannapy/us/wa/wslcb/portal.py
@@ -0,0 +1,60 @@
+"""An interface to the WSLCB Socrata-based open data portal."""
+
+import os
+import time
+from sodapy import Socrata
+
+# WSLCB Socrata Open Data Portal URL
+WSLCB_PORTAL_URL = 'data.lcb.wa.gov'
+
+# WSLCB Socrata Open Data Portal Dataset IDs
+WSLCB_PORTAL_DATASETS = {
+    'licensed_businesses': 'bhbp-x4eb',
+}
+
+
+class WSLCBPortal(object):
+    """A class interface to the WSLCB open data portal."""
+
+    def __init__(self, app_token=''):
+        """Constructor."""
+        # Set the user's Socrata app token:
+        # https://dev.socrata.com/docs/app-tokens.html
+        if app_token == '':
+            # See if an environment variable is set
+            app_token = os.getenv('WSLCB_APP_TOKEN', '')
+        self._app_token = app_token
+
+        # The Socrata client property will be initialized on first get
+        self._client = None
+
+    def dataset_last_updated(self, dataset_id):
+        """Return the requested dataset's last update timestamp."""
+        # Retrieve the source dataset's metadata
+        metadata = self.client.get_metadata(dataset_id)
+
+        # Retrieve dataset last update timestamp in epoch/Unix time
+        last_updated = metadata['rowsUpdatedAt']
+
+        # Convert to a localized Python time.struct_time
+        # https://docs.python.org/3/library/time.html#time.struct_time
+        last_updated = time.localtime(last_updated)
+
+        return last_updated
+
+    @property
+    def app_token(self):
+        """The user's Socrata open data portal app token."""
+        return self._app_token
+
+    @app_token.setter
+    def app_token(self, value):
+        self._app_token = value
+
+    @property
+    def client(self):
+        """A sodapy client interface to the WSLCB Socrata open data portal."""
+        if self._client is None:
+            self._client = Socrata(WSLCB_PORTAL_URL, self.app_token)
+
+        return self._client