Pipehound

PipeHound is your plumbing-code field dog — ask code questions in plain English and get fast answers with code-section citations for your state. BUILT FOR PLUMBERS ON THE JOB • Ask in plain English — no more flipping through the code book • Hands-free voice input with a big, glove-friendly mic button • Answers cite the code sections so you can verify fast • State-aware: pick your state and PipeHound answers from the right code • Chat history stays on your device — no accounts, no tracking CODES COVERED AT LAUNCH • Colorado — 2021 International Plumbing Code with state amendments • California — 2025 California Plumbing Code (2024 UPC base) More states are on the way. Whether you're roughing in a DWV stack, sizing water lines, or checking trap-arm limits, PipeHound points you at the right section in seconds. PipeHound is a reference aid — always verify against the code as adopted in your jurisdiction and confirm with your AHJ before performing work. Free to use. No account, no signup. Answers are generated by our self-hosted model — see the in-app privacy disclosure for what's sent.