Happy Room Academy - The headquaters in the city contains a replica of the room that Lyle thinks best fits the theme for that week.
GracieGrace - A shop that sells Furniture, clothes, accessories and headgear. The items sold can only be bought from here and are extremely high priced. Gracie owns the shop, but is only rarely there. Labelle runs the shop when Gracie is not there.
Auction House - Players can put their items up for auction here to be bought from their friends. It is run by Lloid.
Shampoodle - A hair salon where players can change their Hair style and colour. Players can also recieve a Mii Mask from here.
Police Station - Contains a Lost and Found; the police also gives hints on any special character appearances.
Resetti Surveillance Center - The surveillance center is built as a public works project, which is designed as a manhole cover the player may enter after rainy days. Resetti or Don Resetti may be inside, and will eventually give their pictures after enough visits.
The Roost - This is a coffee shop that can be built through a public works project. Brewster makes his return in the Roost, who the player can now work part-time for and take coffee to-go outside of the Roost.
Campground - A campground can be constructed as a public works project. Depending on the season, Tents and Igloos will periodically appear with animal visitors. Players can play games with them and occasionally encourage or discourage them to move into their town.
Able Sisters - The Able Sisters offer clothing as in past games in addition to now offering the ability to share and obtain created patterns through QR codes. Labelle has rejoined her sisters and now runs the shop with them.
Nook's Homes - Players can alter the appearance of their home and buy a variety of designs and decorative objects from Tom Nook.
Museum - Blathers continues to run the town's museum, which now offers a wider range of fossils and fish to exhibit, and a second floor featuring an exhibition room and a museum shop run by Celeste.
Kicks - A shop that sells shoes and socks, run by Kicks.