WPI-8 Windstorm Certification in Mid County, TX
Jefferson County • Wind Zone II (130 mph)
Licensed professional engineers providing fast WPI-8 and WPI-8E windstorm certification for residential and commercial properties in Mid County. TDI applications for ongoing and completed construction, serving Jefferson County with 14-day standard or 5-day rush service. Call (409) 245-5797.
Windstorm Certification Requirements
- WPI-8 or WPI-8E windstorm certification required for all new construction
- Re-roofing projects must include TDI certification documentation
- Mid-county area — coordination between Nederland, Port Neches, and Groves jurisdictions
- Building permit applications must reference TDI compliance
Applicable Building Codes
International Residential Code (IRC) 2021
International Building Code (IBC) 2021
28 TAC Chapter 5 (TDI Windstorm Inspection Rules)
Jefferson County windstorm area designations
Common Projects We Certify
Mid County Windstorm Certification FAQs
Do I need windstorm certification in Mid County, TX?
Yes. Properties in Mid County (Jefferson County) fall within Wind Zone II (130 mph), which means TDI windstorm certification is required for new construction, re-roofing, and major exterior modifications. WPI-8 certification is for ongoing construction, while WPI-8E applies to construction that has been completed. Call (409) 245-5797 to verify your property's requirements.
How long does WPI-8 certification take in Mid County?
Our standard turnaround is 14 days from deposit to TDI submission for Mid County properties. Rush service is available with a 5-day turnaround. The on-site inspection typically takes 30-60 minutes depending on project complexity. Call (409) 245-5797 to schedule.
What building codes apply to windstorm construction in Mid County?
Construction in Mid County must comply with the International Residential Code (IRC) 2021, International Building Code (IBC) 2021, 28 TAC Chapter 5 (TDI Windstorm Inspection Rules), and Jefferson County windstorm area designations. Our licensed engineers verify compliance with all applicable codes during the certification process.
How do I get a building permit in Mid County for a windstorm-area project?
Building permits in Mid County are handled by Jefferson County Permit Office. TDI windstorm certification must be submitted with your permit application for construction in designated catastrophe areas. Contact Jefferson County Permit Office at (409) 835-8411 for permit requirements, or call us at (409) 245-5797 to start your certification.
Can you certify a completed roof or addition in Mid County?
Yes. If construction in Mid County has been completed without certification, we can perform a WPI-8E (completed construction) inspection. Our licensed engineers will verify that the work meets current wind resistance standards and submit the certification to TDI. Call (409) 245-5797 to discuss your project.
Helpful Guides & Resources
How to Get a WPI-8 Certificate (Step-by-Step)
Ongoing construction
WPI-8E for Completed Construction
Work already finished
What Windstorm Inspections Cost
Pricing & turnaround times
Selling or Insuring a Roof Without a WPI-8
For roofers & homeowners
Also certifying projects across Jefferson County
Turnaround Time
5-14 days (Rush 5 days / Standard 14 days from deposit)