Effect · every source

How to increase Holding Taxes in Hills in CK3

3 sources raise Holding Taxes in Hills and 0 lower it in the game files of patch 1.20.0.3.

hills_tax_mult

The biggest boosts

+30%MarchesBuilding · Each de jure county of the duchy
+15%CupellationInnovation · Provinces of this culture
+10%Megalithic ConstructionsTenet · Followers

What raises Holding Taxes in Hills (3)

Innovations (1)

Cupellation+15%
Provinces of this culture
innovation_cupellation · game/common/culture/innovations/tgp_innovations.txt

Tenets (1)

Megalithic Constructions+10%
Followers
tenet_megaliths · game/common/religion/tenet_types/00_tenet_types.txt

Buildings (1)

Marches+30%
Each de jure county of the duchy
Levels 1–3: +15% to +30% (3 levels give it)
march · game/common/buildings/00_duchy_capital_buildings.txt

Source: game/common/buildings/00_duchy_capital_buildings.txt, game/common/culture/innovations/tgp_innovations.txt, game/common/religion/tenet_types/00_tenet_types.txt and the English localisation, Crusader Kings III 1.20.0.3. Building chains are shown once, at their strongest level, with the range over their levels. Effects that come only from events or scale with a script value are not listed.