Industry: 1531—Operative Builders
Builders primarily engaged in the construction of single-family houses and other buildings for sale on their own account rather than as contractors. Establishments primarily engaged in the construction (including renovation) of buildings for lease or rental on their own account are classified in Real Estate, Industry Group 651.

Condominium developers on own accountOperative builders on own account
Cooperative apartment developers on own accountSpeculative builders
Codes Titles Number of US Businesses
1531Operative Builders7,124
153100Operative builders3,334
15310000Operative builders3,334
153199Operative builders, nec3,790
15319901Condominium developers773
15319902Cooperative apartment developers259
15319903Speculative builder, multi-family dwellings174
15319904Speculative builder, single-family houses2,327
15319905Townhouse developers135