In a nutshell, this ordinance aims to ban "discrimination by landlords against renters with alternative sources of income, such as Social Security benefits, veteran’s benefits, unemployment insurance, child-support payments and other assistance programs.

First, I'll say that I'm a bleeding heart dog person.Second, why not just ban the boyfriend's dog?

A number of places in WA state have pit bull bans.

No need to take the chance on them banning you from getting future FHA loans.Good luck in your investing!  

., the province of Ontario) ban them on public policy grounds due to safety hazards.

Had you booked through AirBnB, you'd at least had an additional layer of protection.If they are still operating a listing on AirBnB, definitely send them a complaint to get them to ban the host.

And if our housing authority discovers you doing that, you get on their banned landlord list.

There is a reason that pitbulls are banned in 12 countries including Canada. 

If you were in a different state that has direct eviction protection, you could be out, 60-90 days for the eviction ban for non payment.

were the kids banned from swimming?