Following the reformation of the Fantastic Four after Mister Fantastic and the Invisible Woman returned from a Multiversal exploration, Ben offered them to turn the building into their new headquarters since the Baxter Building had fallen into the hands of the Fantastix ever since. Togehter with his daughter, Valeria, Mister Fantastic folded additional dimensions inside the building, making its interior square footage roughly twice of that of the Baxter Building while on the outside its appearance remained unchanged.
- Alicia Grimm
- Ben Grimm
- Franklin Richards
- Reed Richards
- Sue Storm Richards
- Valeria Richards
- Johnny Storm
- This building has at the very leasty twenty-seven bathrooms.
- 45 Appearances of 4 Yancy Street
- 2 Minor Appearances of 4 Yancy Street
- 5 Media 4 Yancy Street was Mentioned in
- 6 Images featuring 4 Yancy Street
- Location Gallery: 4 Yancy Street
- 1 locations in 4 Yancy Street