Structure Type/Zoning Codes in Address Attributes (address.dbf)
(Last column in attribute table.)

1000 - Residential
2000 - Commercial
3000 - Public Assembly
4000 - Institutional or Community Facility
4100 - Hospital
4200 - School
4510 - Fire Department
4530 - Emergency Operation Center
5000 - Transportation Facility
6000 - Utility
7000 - Military
8000 - Agricultural Facility