The share of new single-family homes started in 2021 with one full bathroom or less, three full bathrooms, and four full bathrooms or more increased compared with 2020, according to an NAHB analysis of the latest Survey of Construction (SOC). The share of new single-family homes started with two full bathrooms decreased in 2021 compared to 2020.
The current data shows that 3.1% of new single-family homes started had one full bathroom or less, 62.6% had two full bathrooms, 27.0% had three full bathrooms and 7.3% had four or more full bathrooms. As expected, homes with two full bathrooms continues to have the highest share of new single-family home starts. This share has fluctuated between 69.9% and 59.3% of all new starts since with the lowest level of 59.3% in 2015.
Larger homes continue to feature more full bathrooms when compared to smaller homes. 93.8% of new single-family home starts that were 5,000 square feet or more had three or more full bathrooms. When comparing this to new single-family homes between 2400-2999 square feet, only 44.1% of homes had three or more bathrooms while 55.9% had two or fewer full bathrooms. This is consistent with the idea that smaller homes have fewer full bathrooms.
The share of new single-family home starts with two full bathrooms varies across the United States. The East North Central census division comes in with the highest share at 70.3% of new single-family home starts having two bathrooms. The lowest census division is the West North Central having a share of 54.0% having two bathrooms.
In 2021, a majority of new single-family homes (53.7%) had no half-bathrooms while 44.5% of the homes had one half-bathroom. New single-family homes with two or more half-bathrooms had a share of 1.7% in 2021.
