In 2025, the construction of a new single-family home required less time than in the previous three years.
Currently, the average time from inception to completion is 8.8 months.
The time frame encompasses 1.4 months for the authorization to commence construction and an additional 7.4 months for the completion of construction.
As a result of the alleviation of pandemic-era supply chain challenges, the Census Bureau’s Survey of Construction data indicates that single-family construction timelines have been reduced.
Nevertheless, the duration of the project is approximately 1.6 months longer than the average completion time in 2015.
The extended construction timeline may be indicative of the numerous challenges that builders are currently encountering, such as a more stringent regulatory environment and an ongoing shortage of qualified labor.
The single-family houses that were completed in 2025 for sale required the least amount of time, with a completion time of 7.4 months from the issuance of building permits.
In contrast, the greatest duration of time required for the construction of homes by owners (a subset of custom home building) was 14.3 months.
Homes constructed by hired contractors required approximately 11.7 months to complete, which is the majority of custom home construction.
Homes constructed for rental purposes required approximately 12.4 months from authorization to completion.
The chart below demonstrates that the time from permit issuance to completion varies depending on the size of the residence.
12.2 months were required to complete the smallest single-family homes, which were less than 1,200 sq. ft.
This is a relatively longer duration than all other sizes of homes, with the exception of those exceeding 5,000 sq. ft.
This extended period is primarily due to the fact that half of these smaller homes are constructed specifically for rental purposes, which typically necessitates a longer building time from the time of authorization.
In contrast, the average building time for residences ranging from 1,200 to 3,999 sq. ft. is approximately nine months.
A noticeable upward trend in completion times is observed as the size exceeds 4,000 sq. ft.
The construction of homes ranging from 4,000 to 4,999 square feet typically requires approximately 10.7 months, while those between 5,000 and 5,999 square feet typically require approximately 12 months.
The construction of homes exceeding 6,000 square feet necessitates an average of 16.3 months from the time of permit approval to completion.
The average time from authorization to completion varies regionally across divisions.
New England had the longest duration of 13.5 months in 2025, followed by the Middle Atlantic (12.6 months), the Pacific division (10.3 months), the East South Central division (9.1 months), and the Mountain division (9.1 months).
The nation’s average of 8.8 months was surpassed by these five divisions.
The South Atlantic division records the smallest period, which is 7.6 months.
The average waiting period from permit to construction commence varies from the shortest time of 1 month in the East North Central and the West North Central to the longest time of 1.8 months in New England.
The SOC also gathers supplementary information regarding houses that are being constructed for sale, such as the date of sale when purchasers sign sale contracts or submit deposits.
When considering single-family homes that were constructed for sale and completed in 2025, 12.3% were sold prior to the commencement of construction, 29.3% were sold during the construction process, 18.5% were sold during the month of completion, and 31.5% were sold after the completion of construction.
At the time of the survey, 8.3% of the constructed houses were unsold.
In comparison to 2024, a greater proportion of new single-family homes remained on the market after construction was completed.
The percentage of shares sold after completion increased from 27.0% to 31.5%, while the percentage of shares sold during construction decreased from 33.0% to 29.3% and the percentage of shares sold prior to the commencement of construction decreased from 15.2% to 12.3%.
Despite the fact that construction timelines were shortened, these changes indicate that the sales environment for builders was weaker in 2025.
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