Know what your city will flag — before you submit.

Upload your plan set. Plan Proof returns the corrections your jurisdiction is likely to flag, with the evidence behind each one, so you can fix them before the city does.

$49 for a single check. No subscription necessary.

Trained on real correction letters

We learn from the corrections your jurisdiction actually sends — not just generic code text.

$49, no subscription necessary

Pay per check. Every competitor is quote-gated; you can start in a minute.

Evidence on every finding

Sheet reference, code or checklist item, how often it's seen in real sets, and a confidence level — plus a published hit rate.

Pay per check

Credits never expire. Buy what you need, use them when you file.

Single check

$49

One plan set, one report. No subscription.

  • 1 credit — one plan-set check each
  • Evidence on every finding
  • Credits never expire
Buy $49
Most popular

5 credits

$199

For a few projects in flight.

  • 5 credits — one plan-set check each
  • Evidence on every finding
  • Credits never expire
Buy $199

20 credits

$699

For a busy office.

  • 20 credits — one plan-set check each
  • Evidence on every finding
  • Credits never expire
Buy $699

Monthly plan

$149/mo

10 credits every month, for teams filing regularly. Cancel anytime.

Questions

Run your first check.

One plan set. See what your city will flag before you submit.