Marked with yellow background are unique technologies. Listed below are all technologies that benefit buildings.

Unconstructable buildings can only be placed when a map is created in the Scenario Editor and are not available in random map games. The values for earlier Ages are visible in the table as mouseovers. Some values (usually HP and armor) increase upon Age advancement for certain buildings and thus are lower in earlier Ages. Note that the table shows the values for the Imperial Age only. Marked with yellow background are unique buildings. The following buildings can be built once the Imperial Age is reached. The following buildings can be built once the Castle Age is reached. It is the only building that can be constructed there. *The Fish Trap can only be built in the water (by Fishing Ships). The following buildings can be built once the Feudal Age is reached. It is not possible to build a second Town Center until the Castle Age is reached. *A Town Center can only be built if the initial Town Center is destroyed or the game is started without a Town Center (e.g. The following buildings are always available from the Dark Age on. Constructable buildings are buildings that can be built in regular games by Villagers.

Age of empires 2 buildings