Willowfork Fire Department covers the following communities:

• Avalon @ Seven Meadows
• Cinco Ranch East (south of Fort Bend/Harris County line, north of Buffalo Bayou and west of Kelliwood)
• Cinco Ranch West
• Cinco Ranch Southwest (north of Little Prong Creek)
• Falcon Ranch
• Grand Lakes (west of Little Prong Creek)
• Grayson Lakes
• Heritage Grand
  
• Katy Creek Ranch
• Kings Lake
• Lake Pointe Estates
• Mills Pointe
• Parkway Oaks
• Pine Mill Ranch
• Seven Meadows (north of Little Prong Creek)
• Silver Ranch

Other smaller communities may also be covered.