Limit on Purpose of Issue | Maturity of Issue |
Paving existing highways or streets ..................................................... | 10 years |
Airports and buildings constructed or to be constructed thereon ........ | 15 years |
Highway construction ............................................................................ | 20 years |
Electric light and power systems .......................................................... | 25 years |
Gas systems ............................................................................................ | 25 years |
Grade crossing eliminations .................................................................. | 25 years |
Harbor improvements ............................................................................ | 25 years |
School construction ................................................................................ | 25 years |
All other permanent structures of durable materials .......................... | 25 years |
Bridges .................................................................................................... | 30 years |
Land acquired for permanent improvements ....................................... | 40 years |
Sewerage installation ............................................................................ | 40 years |
Water systems ........................................................................................ | 40 years |
Md. Code, LG § 19-206