Download the list of Building consultants in United States. Smartscrapers provides an accurate directory and the latest data on the number of Building consultants in United States As of December 1, 2024, there are 3,625 building consultants in the United States, reflecting a 5.36% increase from 2023. Of these, 3,313 consultants (91.39%) operate as single-owner businesses, while 312 consultants (8.61%) are part of larger brands. The top three states with the highest number of building consultants are California with 441 consultants, Florida with 379 consultants, and Texas with 331 consultants. The average age of building consultants in the United States is approximately 4 years and 6 months.