More FAQs about HDB Approved Dogs and Pets Can We Keep Dogs in HDB? Yes, but only 1 dog is allowed. Mixed breeds should have a maximum shoulder height of up to 55cm. Are Labradors Allowed in HDB Flats? No. Other big dogs such as German shepherds, huskies, chow chows, and Dalmations are not HDB approved dogs. Are Singapore Special Dogs HDB Approved?