USDC (U.S. Dept. of Commerce) Codes
| Classification | Code Number on Permit | Explanation - Example |
|---|---|---|
| New Residential (Housekeeping) | 101 | Single-family houses, detached |
| 102 | Single-family houses, attached | |
| 103 | Two-family buildings | |
| 104 | Three-and four-family buildings | |
| 105 | Five-or-more family buildings | |
| 112 | Mobile Home | |
| 114 | Three-and four- family condos (No land for sale with unit) | |
| 115 | Five-or-more family condos (No land for sale with unit) | |
| New Residential (Non-housekeeping) | 213 | Hotels, motels, and tourist cabins |
| 214 | Rooming, Boarding, Fraternity, Sorority houses | |
| New Nonresidential Buildings | 318 | Amusement, Social, Recreational |
| 319 | Churches and other religious buildings | |
| 320 | Industrial, Factories, Mfg. and Printing Plants | |
| 321 | Parking Garages | |
| 322 | Services Stations and Repair Garages | |
| 323 | Hospitals, Clinics, Rest and Convalescent Homes, Clinics | |
| 324 | Offices, Banks, Medical Offices | |
| 325 | Public Works, Utilities, Sewage Disposal, Water Supply | |
| 326 | Schools, Libraries, Universities, Museums | |
| 327 | Stores, Restaurants, Malls, Markets, Beauty Shops | |
| 328 | Other Nonresidential - Sheds, Barns, Post Offices, Jails | |
| 329 | Parks, Outdoor Stadiums, Marinas | |
| Additions, Alterations, & Conversions | 434 | Residential |
| 437 | Nonresidential | |
| 438 | Additions of residential garages and carports | |
| 540 | Non-residential/Non-housekeeping to housekeeping | |
| Demolitions of Buildings | 645-648 | Residential |
| 649 | All other buildings and structures |