Here is the full list of all 13 ArsonVille achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Burn down 20 houses
Burn 100% of tiles
Burn 20% of tiles in a map
Burn 40% of tiles in a map
Burn 60% of tiles in a map
Burn 80% of tiles in a map
Burn down 5 houses
Set water on fire
Start a burn using a dynamite barrel
Scare a flock of birds
Blow up a dynamite barrel
Burnin' down the house
Start your first fire