The "property_sub_type" request field can accept the following values:
- Apartment
- Business Opportunities
- Cabin
- Condo
- Duplex
- Farm
- Fourplex
- Garage/Parking Space
- Hotel
- Industrial
- Land
- Manufactured Home
- Mixed Use
- Mobile Home
- Multi-Family
- Office
- Other
- Own Your Own
- Ranch
- Retail
- Single Family
- Stock Cooperative
- Time Share
- Townhouse
- Triplex
- Warehouse