Current Functionality:
Services for a place are set with a yes/no checkbox. If a place has a service, editors check the box. Otherwise, the service's box is left unchecked.

Proposed Functionality:
Services for a place are set with choice chips for Yes, Unknown, and No. Unknown is selected by default. If a place has a service, editors select Yes. If a place doesn't have a service, editors select No. If editors are unsure or otherwise don't check, the default Unknown is left selected.

Reasoning:
The current system is somewhat ambiguous for editors. My own interpretation and expectation of the current system is that the editor before me did their due diligence to verify that all available services are reflected for the place. Unfortunately this is not the case and it's a somewhat unrealistic expectation since some services cannot be easily verified and may be of lesser importance compared to other services.

I think a great example of this is the wheelchair accessible service. This is arguably one of the most important services to get right. In my own anecdotal experience, I have come across many places that were not marked as accessible even though I was able to confirm they were using street view. As the editor, I have absolutely no idea why that service was left unchecked. Maybe the place recently had construction and is no longer accessible by wheelchair. Maybe the previous editor did not verify and simply left it blank. Other than investigating the edit history or reaching out to previous editors, you more or less have to re-assess each of the services every time you come across ones that are unchecked.

With my proposed change, that ambiguity will mostly disappear since you can now explicitly state that, "No, this place does not have this service." You will and still should investigate services left on Unknown, but you can now more clearly define what has already been verified.

For the Wazers In-App:
One option is to not change the functionality for end users and simply have this change for internal purposes. Unknown and No can be treated how unchecked services were (not displaying) while Yes will display the services.

I think if this change were implemented then we might as well pass this extra bit of info to Wazers as well. Maybe there could be green checks or red Xs next to services based off the Yes and No settings, or maybe the text color can be changes, or maybe they can be split into two columns. I'm not a UI/UX guy :P