WPI-8 Windstorm Certification in Portland, TX
San Patricio County • Wind Zone III (140 mph)
Licensed professional engineers providing fast WPI-8 and WPI-8E windstorm certification for residential and commercial properties in Portland. TDI applications for ongoing and completed construction, serving San Patricio County with 14-day standard or 5-day rush service. Call (361) 203-5423.
Windstorm Certification Requirements
- WPI-8 or WPI-8E windstorm certification mandatory for all new construction
- Coastal wind-borne debris region — enhanced opening protection standards
- Nueces Bay proximity — elevated wind resistance standards apply
- 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)
Portland coastal construction standards
Common Projects We Certify
Portland Windstorm Certification FAQs
Do I need windstorm certification in Portland, TX?
Yes. Properties in Portland (San Patricio County) fall within Wind Zone III (140 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 (361) 203-5423 to verify your property's requirements.
How long does WPI-8 certification take in Portland?
Our standard turnaround is 14 days from deposit to TDI submission for Portland properties. Rush service is available with a 5-day turnaround. The on-site inspection typically takes 30-60 minutes depending on project complexity. Call (361) 203-5423 to schedule.
What building codes apply to windstorm construction in Portland?
Construction in Portland must comply with the International Residential Code (IRC) 2021, International Building Code (IBC) 2021, 28 TAC Chapter 5 (TDI Windstorm Inspection Rules), and Portland coastal construction standards. Our licensed engineers verify compliance with all applicable codes during the certification process.
How do I get a building permit in Portland for a windstorm-area project?
Building permits in Portland are handled by Portland Building Department. TDI windstorm certification must be submitted with your permit application for construction in designated catastrophe areas. Contact Portland Building Department at (361) 777-4517 for permit requirements, or call us at (361) 203-5423 to start your certification.
Can you certify a completed roof or addition in Portland?
Yes. If construction in Portland 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 (361) 203-5423 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 San Patricio County
Turnaround Time
5-14 days (Rush 5 days / Standard 14 days from deposit)