The provincial seal shows earthenware, a traditional product from Nonthaburi. The Provincial flower and tree is the Yellow flame tree
The provincial slogan translates to Grand Royal Mansion, renowned Suan Somdet, Ko Kret's pottery, famous ancient temples, tasty durians, and the beautiful government office. The royal mansion refers to Phra Tamnak Nonthaburi in Mueang Nonthaburi district, the residence of Prince Maha Vajiralongkorn; Suan Somdet is a water garden in Pak Kret district. The provincial administration building once received an award as the most beautiful such building by the Ministry of Interior.