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Development Services Documents & Forms

Development Services

Notice: You can pay all your Development Services Fees online by following the link below – use Bureau Code 4963827.
Pay Online:

Please find our online application guide below under Documents


To apply for a permit, visit and click Apply Online under the Permits & Licensing tab. Paper applications are accepted by mail or in-person. There is an additional $30 Paper Processing Fee added to each paper application. Please see our Example Document Sheet (#4 below) for Development & On-Site Sewage Facility required documents.

  1. 9-1-1 Address Application      
  2. 9-1-1 Address Application Instructions
  3. Development Authorization Application
  4. Development and OSSF Example Document Sheet
  5. Food Establishment Application
  6. Mobile Food Establishment Application
  7. On-Site Sewage Facility (OSSF) Application
  8. Subdivision Application (fillable)


  1. Hays County Development Regulations
  2. Hays County On-Site Sewage Facility Regulations
  3. Hays County Food Establishment Regulations
  4. 30 TAC 285 (On-Site Sewage Facilities)
  5. 25 TAC 228 (Texas Food Establishment Regulations)


  1. 9-1-1 Address Verification Form
  2. Certified Food Manager Program Information
  3. Hays County Fee Schedule (January 2020)
  4. Hays County ESA Habitat Conservation Compliance Form
  5. OSSF Designer List (2021)
  6. Engineering & Surveyor Consultant List (2021)
  7. OSSF Installer List (2021)
  8. OSSF Maintenance Provider List (2021)
  9. Online Application Guide
  10. On-Site Sewage Facility (OSSF) Maintenance Affidavit
  11. Refund Request Form (fillable)
  12. Floodplain Engineer List (2021)
Hays County