Submit your job info and photos. We seal your engineering letter and deliver a signed PDF before end of business. No delays, no back-and-forth.
We've streamlined the whole process so you can stay on the job while we handle the engineering paperwork.
Pay securely via Stripe, then complete the intake form with your job details and site photos.
A Texas Licensed PE reviews your submission, prepares the sealed engineering letter, and applies the official PE stamp.
Your signed, sealed letter is emailed as a PDF — ready for the inspector, same business day as your submission.
Every letter is prepared and sealed by a Texas-licensed civil PE under a registered engineering firm.
Signed and stamped by a Texas-licensed PE. Meets TDL and municipal inspection requirements.
Submit before noon for guaranteed same-day delivery.
Clean, professional PDF ready to print or forward directly to your inspector or GC.
Issued under Apex Consulting Group, Inc., Texas Firm Registration #F-2645.
No hidden fees. Pay securely by card, then complete your intake form immediately after checkout. Standard turnaround is same business day.
If you don't see your question here, email us at jonathan@texastunnelletters.com.
It's a PE-sealed letter certifying that the underslab tunnel excavation and backfill meets engineering standards. Required by many Texas municipalities before a plumbing inspection can pass.
Job address, contractor info, scope of work, and photos of the tunnel/excavation. The intake form walks you through exactly what's needed.
Yes. Letters are sealed by a Texas-licensed PE and issued under a registered firm (Apex Consulting Group, Inc., Firm #F-2645), meeting standard inspector requirements.
Submit by noon CST for guaranteed same-day delivery.
By email as a signed, sealed PDF. We send it to the email address you provide in the intake form.
Yes. We serve plumbing contractors statewide. Our PE license covers all of Texas.