Propane Tank Installation Code Requirements
120 (100 gallon) Above Ground Propane Tank
- Five (5) feet from any opening of a house (doors and windows)
- If the bottom of a window is higher than 32 inches, the tank can go directly under the window.
- If the window is a permanently shut window that can not be opened, there are no distance requirements.
All other propane tanks
- Same as all the above
- Ten (10) feet from a building
- Ten (10) feet from property line that can be built upon
- **Some municipalities require ten (10) feet from property line**
Underground Hole Sizes
120 Gallon Underground Propane Tank
- 30” Deep 30” Wide 6’ Long
250 Gallon Underground Propane Tank
- 4’ Deep 4’ Wide 8’ Long
Standard ASME Propane Tank Specifications
| Capacity | Diameter | Length | Tank Weight |
| 120 | 24″ | 68″ | 288 lbs. |
| 250 | 30″ | 94″ | 542 lbs. |
| 500 | 37″ | 119″ | 1062 lbs. |
| 1000 | 41″ | 192″ | 1983 lbs. |
