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Trade Code Wizard

Reviewed for Plumbing contractors.

Trade Code Wizard website on a phone screen
Screenshot from Trade Code Wizard's site, captured Oct 20, 2026.
Trade Code Wizard logo

Trade Code Wizard

AI plumbing code answers with section numbers

$14.99 per month for one trade. Ask a plumbing code question in plain English and get the answer with the code section number, matched to the state you set. It also has pipe sizing and gas pipe sizing calculators, fixture unit tables, and rough-in, top-out and final checklists.

Price
Trial $0 for 7 days (1 trade, 50 AI questions, no credit card). Solo $14.99/mo (1 trade, extra trades $4.99/mo each, unlimited AI chat). Pro $39.99/mo (all 7 trades). Enterprise $59.99/mo (all 7 trades, 5 users with an admin dashboard).
Who it's for
Plumbers, apprentices and office staff who look up venting, pipe sizing and fixture unit rules during the day. The app itself says to check answers against the code your city has adopted.
Where it pays back
Code answers in seconds on the job instead of calling the office or digging through the book, which can head off a failed inspection.Estimate, not a tested result: Solo runs about $180 a year, so it covers itself if it heads off one failed inspection and return trip in that year.

Skip it if you already pay for UpCodes or ICC Digital Codes and your crew actually uses it on the job.

Source: https://tradecodewizard.com/

See it ranked with the rest: Plumbing

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