Nosies And Toesies Rattery (NTR)

Nosies And Toesies Rattery (NTR) are rat breeders in San Mateo, CA, serving San Mateo County near San Francisco. They follow established health guidelines, including routine veterinary checks and genetic screening to ensure robust litters. Their rats live in spacious, climate-controlled habitats, with clean enclosures and enrichment items to support active, social development.

Owner Devon Hielsberg has years of experience in small-animal care and emphasizes gentle handling and early socialization. Each litter’s growth is carefully recorded, with feeding programs that balance grains, fresh produce and occasional treats. Photographs and care guides are available on the rattery’s Instagram profile, where NTR shares regular updates on daily routines and litter milestones. All enclosures are sanitized daily, with bedding replaced regularly and fresh water provided at all times.