Sanitation / Development Services

Permits, septic, subdivision platting, construction, and flood plain management. Appointments required.

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

By Appointment Only — Most permits start with an intake meeting. Please call (512) 398-1803 to schedule. Walk-ins may not be accommodated.

Pick what you're working on. Each option below jumps to the right forms and instructions.

1Call to schedule

Call (512) 398-1803 or email the director to book an intake meeting.

2Download the form

Pick the right application from the categorized list below.

3Bring it to your meeting

Bring your completed form, site sketch, and any supporting documents. Staff will review with you in person.

4Submit & pay

If everything checks out, submit your application and pay fees. Inspections are scheduled after approval.

Download, fill out, then bring to your intake meeting. Click a form to open the PDF.

Pre-Meeting & Intake ApplicationStart here — required to schedule a permit intake (PDF, 2.0 MB) Construction ApplicationResidential or commercial site construction (PDF, 430 KB) Residential Construction Permit (Section 4)For projects under the Section 4 residential rules (PDF, 11 KB) Resubmittal FormUse when revising a returned or rejected submittal (PDF, 96 KB)

Septic (OSSF) Permit ApplicationOn-site sewage facility install or replacement (PDF, 374 KB) Report a septic complaintCall (512) 398-1803 to report failing septic or sewage

Plat ApplicationSubdivide land — preliminary or final plat (PDF, 4.6 MB) Plat Exemption ApplicationRequest exemption from platting requirements (PDF, 1.0 MB) Subdivision ChecklistsWhat to include in your plat submittal (PDF, 280 KB) Visual Quality Guide for PlatsRecommended formatting / readability tips (PDF, 55 KB)

Floodplain Development PermitRequired for any construction in a FEMA flood zone (PDF, 2.5 MB) FIRMette (Sample)Example FEMA Flood Insurance Rate Map snippet (PDF, 3.5 MB) FEMA Map Service CenterLook up your property's flood zone (external) ATX Floods — Road ClosuresReal-time flooded-road map (external)

Development Agreement ApplicationFor projects requiring a development agreement (PDF, 1.2 MB) Land Grant ApplicationLand grant / dedication request (PDF, 1.3 MB) Variance ApplicationRequest a variance from a development standard (PDF, 668 KB) Traffic Impact AnalysisRequired for higher-traffic developments (PDF, 1.8 MB)

The rules that govern subdivision, construction, and floodplain development in unincorporated Caldwell County.

Caldwell County Development OrdinanceThe full development ordinance — read before applying (PDF, 678 KB) Technical SpecificationsEngineering standards for infrastructure (PDF, 161 KB) Resolution 42-2021Subdivision rules update — signed resolution (PDF, 853 KB) All County OrdinancesBrowse every Caldwell County ordinance

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.

• 2025 notices (21 documents)
• 2024 notices (45 documents)
• 2023 notices (26 documents)
• 2022 notices (22 documents)
• TCEQ notices, 2025 (3 documents)
• TCEQ notices, 2024 (1 document)

Report code violations or illegal dumping.

Driveway culverts & road right-of-way questions.

Real-time flooded roads + FEMA flood-zone lookup.

Director of Sanitation — direct line. Kasi L. Miles can also be reached on (512) 667-1680 (mobile), in addition to the office number (512) 398-1803.