Construction firms added 45,000 jobs in April and 280,000 over 12 months, as the sector's unemployment rate fell to a nine-year low of 7.5 percent, according to an analysis by the Associated General Contractors of America (AGC).
AGC officials noted that even as the industry continues to expand, growth has been erratic and inconsistent.
Construction employment totaled 6,384,000 in April, compared to 6,338,000 in March and 6,103,000 in April 2014.
The number of unemployed construction workers, 652,000, is at the lowest level since 2001. The construction economist cautioned that reports of construction worker shortages are likely to grow over the coming months.