Is there something like off-market commercial deals where I can search them (like Investorlift or New Western for residential) ? 

Contact a real estate attorney in the county the property is in and have them do a property ownership search and lis pendens (lawsuit) check.

It's gotta grab people, draw them in, stop them in there searching tracks.

@Ashley Kehr have you used the Search feature here on BP?

Of course, not everybody is that good at or has the time to do Google searches or know how easy it is to use ChatGPT so it might still make sense for you to provide such a guide to your (potential) clients.If you don't want to spend time reinventing the wheel, you have other easy options:a.

The easiest is doing a search for REI Meetups.

I'm actively searching for my next investment and would appreciate any advice from seasoned investors and developers.

You can also search for local FB groups that specialize in longer term stays.

Community engagement: Homeowners have a greater financial stake in their neighborhoods and are more likely to invest in their local communities.

As long as the ADU is under 900 sq. ft. and meets the state building code, there will be no variance or special permit needed, so no ZBA or neighborhood meetings.