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Sanitation & Development Services
Permits, septic, subdivision platting, construction, and flood plain management. Appointments required.
What We Do
Caldwell County Sanitation & Development Services handles permitting, planning, and on-site sewage oversight for unincorporated areas of the county.
- Septic permits, inspections & complaints
- Residential / commercial construction permits
- Subdivision & development meetings
- Platting & plat exemptions
- Flood plain management
- Development ordinance enforcement
What do you need to do?
Pick what you're working on. Each option below jumps to the right forms and instructions.
How the permit process works
Call (512) 398-1803 or email the director to book an intake meeting.
Pick the right application from the categorized list below.
Bring your completed form, site sketch, and any supporting documents. Staff will review with you in person.
If everything checks out, submit your application and pay fees. Inspections are scheduled after approval.
Forms & Applications
Download, fill out, then bring to your intake meeting. Click a form to open the PDF.
Permits & Construction
Septic / OSSF
Plats & Subdivisions
Flood Plain
Ordinances & Reference Materials
The rules that govern subdivision, construction, and floodplain development in unincorporated Caldwell County.
TCEQ & Public Notices loading…
Caldwell County receives TCEQ, utility, and regional public notices for permitting actions inside or near the county. These are posted here for public-record transparency. They are not County application forms — for forms, use the categorized list above.