Updated: Jun 2
Here are some clues:
1. This was the backyard! Look at that super green grass!
2. The dog didn't last beyond the early episodes but the dog house stayed.
3. The dad's office was downstairs.
4. The mother sold real estate.
5. They had a maid who knew everybody's business.
6. The maid's boyfriend was named Sam.
7. There were 6 kids in the family.
Answer: Tiger from The Brady Bunch