Infringing on the Americans with Disabilities Act.
You are 100% correct.
No. They are not. Emotional support dogs are not protected under ADA. I don’t remember how it works with the Fair Housing Act. The condo is probably subject to FHA. Not sure about any state version.
More likely the Fair Housing Act. I was told by a HOA, prior to purchase that I wasn’t allowed a 6 foot fence for my autistic child escape artist. If I had wanted to lawyer up I could have easily won, with recent case precidence. I chose not to buy there because who wants to live surrounded by @$$holes.