| Improvement | Tech | Cost | Build | Upkeep | Base Yield | Terrain | Adjacency | Terrain Modifiers | Specialist Slot | Notes |
|---|---|---|---|---|---|---|---|---|---|---|
 Estates Estates | — | 100  100  | 5 turns | — | — | Fertile | — | — | — | Max 1/City |
 Farm Farm | — | 20 | 3 turns | — | 5  | Fertile | +10% Adjacent | 2 on Terrain Marsh+40% on Terrain Lush-40% on Terrain Arid+20% on Fresh Water+40% adjacent to Height Volcano |  Farmer | Aqueduct endpoint |
 Mine Mine | — | 20 | 3 turns | — | 5  | Fertile Hill | +10% Adjacent | — |  Miner | — |
 Nets Nets | — | 20 | 3 turns | — | — | — | — | — |  Fisher | — |
 Fort Fort |  Stonecutting | 40 | 1 turn | — | — | Fertile | — | — | — | — |
 Quarry Quarry | Stonecutting | 20 | 3 turns | — | 5 | Fertile Adjacent Volcano Mountain | +10% Adjacent | +20% on Terrain Arid+40% adjacent to Height Mountain+40% adjacent to Height Volcano |  Stonecutter | — |
 Camp Camp |  Trapping | 20 | 3 turns | — | — | — | +20% Adjacent  | — |  Trapper | — |
 Granary Granary |  Administration | 40 | 4 turns | 1 /turn | 2  | Fertile | +60% Adjacent | — | — | — |
 Pasture Pasture |  Husbandry | 20 | 3 turns | — | — | — | +40% Adjacent | — |  Rancher | — |
| Lumbermill Lumbermill |  Forestry | 20 | 3 turns | — | 5 | Trees | +10% Adjacent | — |  Woodcutter | — |
 Grove Grove |  Land Consolidation | 20 | 3 turns | — | — | — | — | — |  Gardener | — |
 Watermill Watermill |  Hydraulics | 40 | 2 turns | 1 /turn | 2  | River not Hill | — | — | — | — |
 Harbor Harbor |  Cartography | 40 | 4 turns | 1 /turn | 10  | Coast | +100% Adjacent | — | — | — |
 Windmill Windmill |  Windlass | 40 | 2 turns | 1 /turn | 2 | Hill | — | — | — | — |