Regulatory compliance OS · septic pros

The OS compliance pros run on.

We track the rules so you don't get fined. Massachusetts Title 5 available now — CT, FL, NY/Suffolk, ME, NH, PA, and RI rolling out next — the rest of the country on the waitlist with our AI auditor already monitoring their rules.

Start your 14-day trial · Sign in

No credit card up front · cancel anytime

Built for the iPhone in a dirt driveway

Snap a photo of your field notepad — Complos AI extracts the values into the MassDEP-faithful inspection report. Or use the tablet wizard for direct entry. Both modes feed the same compliant PDF.

351 Massachusetts towns · 30 watershed permit zones

Per-town Board of Health submission method on file. Per-property nitrogen-sensitive-area check. Article 51 local-bylaw overlay. The state floor is just the start.

Simple pricing

• Free: 1 inspection / month with Complos-branded PDF.
• Solo: $129 / month, unlimited inspections, official PDFs.
• Firm: $99 / seat / month (2+ seats; $198/mo for 2).
• Annual: 2 months free.