Improvement Standards

​These are a collection of Improvement Standards from all County Departments as of April 1, 2018.

*Some files are very large and may require time to download.

2018 Improvement Standards

• Adopted Resolution
• Section 1: Purpose and Definitions
  
• Section 2: General Requirements
  
• Section 3: Plan Sheet Requirements
• Section 4: Street Design
• Section 5: Street Light Design
  
• Section 6: Sound Barrier Design
• Section 7: Sanitary Sewer Design
• Section 8: Water Su​pply Systems (U​pdated in 2025)
  
• Section 9: Storm Drain Design (Updated in 2024)​
• Section 10: Grading
• Section 11: Erosion and Sediment Control 
• Section 12: Survey Monuments

Improvement Standards Archive

• 1966 Improvement Standards
• 1973 Improvement Standards
• 1989 Improvement Standards
• 1999 Improvement Standards
• 2006 Improvement Standards