Different breeds need different environments. So it is important to look at your home and climate of where you live.
Make sure that if you are renting a house or apartment that you get written in the rental agreement the number, type and size of dogs you're allowed to have from your landlord.
Some Municipalities have by-laws in regards to certain dog breeds that are allowed and under what conditions one may own these breeds if at all.
You will want to also find out if there are leash laws as well as required vaccinations.
https://www.animallaw.info/content/state-dog-laws
Even with allergies some people can still have dogs.
No dog is 100% Hypo allergenic but according to the American Kennel Club the below are some of the best for people with allergies
The AKC considers these breeds to be among the best for allergy sufferers.
Afghan Hound.
American Hairless Terrier.
Bedlington Terrier.
Bichon Frise.
Chinese Crested.
Coton de Tulear.
Giant Schnauzer.
Irish Water Spaniel.
Kerry Blue Terrier.
Lagotto Romagnolo.
Maltese.
Miniature Schnauzer.
Peruvian Inca Orchid.
Poodle.
Portuguese Water Dog
Soft Coated Wheaten Terrier.
Spanish Water Dog.
Standard Schnauzer.
Xoloitzcuintli.