
Effect · every source
How to increase Tax in CK3
231 sources raise Tax and 0 lower it in the game files of patch 1.20.0.3.
monthly_incomeThe biggest boosts
+14/monthThe Rammelsberg MinesBuilding · Province
+14/monthThe Kollur MinesBuilding · Province
+14/monthGold Mines of MaliBuilding · Province
What raises Tax (231)
Traits (1)

Conqueror+5/month
conqueror· game/common/traits/00_traits.txt
Buildings (230)

The Rammelsberg Mines+14/month
Province
Levels 1–4: +5/month to +14/month (4 levels give it)
rammelsberg-mines· game/common/buildings/00_special_mines.txt
The Kollur Mines+14/month
Province
Levels 1–4: +5/month to +14/month (4 levels give it)
kollur-mines· game/common/buildings/00_special_mines.txt
Gold Mines of Mali+14/month
Province
Levels 1–4: +5/month to +14/month (4 levels give it)
mali-mines· game/common/buildings/00_special_mines.txt
Srebrenica Mine+14/month
Province
Levels 1–4: +5/month to +14/month (4 levels give it)
srebrenica-mines· game/common/buildings/00_special_mines.txt
The Ratnapura Mines+14/month
Province
Levels 1–4: +5/month to +14/month (4 levels give it)
ratnapura-mines· game/common/buildings/00_special_mines.txt
The Mogok Valley Mines+14/month
Province
Levels 1–4: +5/month to +14/month (4 levels give it)
mogok-mines· game/common/buildings/00_special_mines.txt
The Theodosian Walls+10/month
Province
theodosian-walls· game/common/buildings/00_special_buildings.txt
Kutná Hora Mine+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
kutna-hora-mines· game/common/buildings/00_special_mines.txt
Baofeng Silver Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
baofeng-mines· game/common/buildings/00_special_mines.txt
Kremnica Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
kremnica-mines· game/common/buildings/00_special_mines.txt
Zijinshan Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
zijinshan-mines· game/common/buildings/00_special_mines.txt
Jiaodong Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
jiaodong-mines· game/common/buildings/00_special_mines.txt
Schwaz Mine+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
schwaz-mines· game/common/buildings/00_special_mines.txt
The Liangzhe Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
liangzhe-mines· game/common/buildings/00_special_mines.txt
Argentiera Mine+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
argentiera-mines· game/common/buildings/00_special_mines.txt
Siderokausia Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
siderokausia-mines· game/common/buildings/00_special_mines.txt
The Zawar Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
zawar-mines· game/common/buildings/00_special_mines.txt
The Pansjhir Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
pansjhir-mines· game/common/buildings/00_special_mines.txt
The Trepča Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
trepca-mines· game/common/buildings/00_special_mines.txt
The Rudnik Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
rudnik-mines· game/common/buildings/00_special_mines.txt
The Cévennes Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
cevennes-mines· game/common/buildings/00_special_mines.txt
The Guiyang Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
guiyang-mines· game/common/buildings/00_special_mines.txt
The Kaibao Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
kaibao-mines· game/common/buildings/00_special_mines.txt
The Khotan Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
hetian-mines· game/common/buildings/00_special_mines.txt
The Dushan Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
dushan-mines· game/common/buildings/00_special_mines.txt
Xiuyan Jade Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
xiuyan-mines· game/common/buildings/00_special_mines.txt
Itoigawa Jade Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
itoigawa-mines· game/common/buildings/00_special_mines.txt
Lantian Jade Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
lantian-mines· game/common/buildings/00_special_mines.txt
Hpakant Jade Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
hpakant-mines· game/common/buildings/00_special_mines.txt
The Wadi al-Allaq Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
allaq-mines· game/common/buildings/00_special_mines.txt
The Verespatak Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
verespatak-mines· game/common/buildings/00_special_mines.txt
The Suvarnadvipa Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
suvarnadvipa-mines· game/common/buildings/00_special_mines.txt
The Nishapur Mines+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
nishapur-mines· game/common/buildings/00_special_mines.txt
Kinka Gold Mine+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
koganeyama-mines· game/common/buildings/00_special_mines.txt
Tsushima Silver Mine+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
tsushima-mines· game/common/buildings/00_special_mines.txt
Sado Gold Mine+9/month
Province
Levels 1–4: +3/month to +9/month (4 levels give it)
sado-mines· game/common/buildings/00_special_mines.txt
Gold Mines+7/month
Province
Levels 1–4: +2.5/month to +7/month (4 levels give it)
generic-gold-mines· game/common/buildings/00_special_mines.txt
Fengtian Jade Mines+7/month
Province
Levels 1–3: +3/month to +7/month (3 levels give it)
fengtian-mines· game/common/buildings/00_special_mines.txt
Copper Mines+6.5/month
Province
Levels 1–4: +1/month to +6.5/month (4 levels give it)
generic-copper-mines· game/common/buildings/00_special_mines.txt
The Falun Mines+6.5/month
Province
Levels 1–4: +2/month to +6.5/month (4 levels give it)
falun-mines· game/common/buildings/00_special_mines.txt
Konasamudram Mines+6.5/month
Province
Levels 1–4: +2/month to +6.5/month (4 levels give it)
konasamudram-mines· game/common/buildings/00_special_mines.txt
Mines of the Forest of Dean+6.5/month
Province
Levels 1–4: +2/month to +6.5/month (4 levels give it)
dean-mines· game/common/buildings/00_special_mines.txt
Mines of Phnom Dek+6.5/month
Province
Levels 1–4: +2/month to +6.5/month (4 levels give it)
phnom-dek-mines· game/common/buildings/00_special_mines.txt
Mines of Hanxing+6.5/month
Province
Levels 1–4: +2/month to +6.5/month (4 levels give it)
hanxing-mines· game/common/buildings/00_special_mines.txt
Chihu Iron Mines+6.5/month
Province
Levels 1–4: +2/month to +6.5/month (4 levels give it)
chihu-mines· game/common/buildings/00_special_mines.txt
The Takkeda Mines+6.5/month
Province
Levels 1–4: +2/month to +6.5/month (4 levels give it)
takkeda-mines· game/common/buildings/00_special_mines.txt
The Khetri Copper Mines+6.5/month
Province
Levels 1–4: +2/month to +6.5/month (4 levels give it)
khetri-mines· game/common/buildings/00_special_mines.txt
The Taghaza Salt Pan+6.5/month
Province
Levels 1–4: +2/month to +6.5/month (4 levels give it)
taghaza-mines· game/common/buildings/00_special_mines.txt
Ijil Salt Mines+6.5/month
Province
Levels 1–4: +2/month to +6.5/month (4 levels give it)
ijil-mines· game/common/buildings/00_special_mines.txt
Torda Salt Mines+6.5/month
Province
Levels 1–4: +2/month to +6.5/month (4 levels give it)
turda-mines· game/common/buildings/00_special_mines.txt
Ziliujing & Gongjing Salt Wells+6.5/month
Province
Levels 1–4: +2/month to +6.5/month (4 levels give it)
zigong-mines· game/common/buildings/00_special_mines.txt
The Phocaea Alum Mines+6.5/month
Province
Levels 1–4: +2/month to +6.5/month (4 levels give it)
phocaea-mines· game/common/buildings/00_special_mines.txt
The Sar-i Sang Mines+6.5/month
Province
Levels 1–4: +2/month to +6.5/month (4 levels give it)
sar-i-sang-mines· game/common/buildings/00_special_mines.txt
Tada Copper Mine+6.5/month
Province
Levels 1–4: +1/month to +6.5/month (4 levels give it)
tada-mines· game/common/buildings/00_special_mines.txt
Canterbury Cathedral+6/month
Province
Levels 1–3: +3/month to +6/month (3 levels give it)
holy-site-canterbury-cathedral· game/common/buildings/00_special_buildings.txt

Silver Mines+4.5/month
Province
Levels 1–4: +1.5/month to +4.5/month (4 levels give it)
generic-silver-mines· game/common/buildings/00_special_mines.txt
Zanzibar Trade Ports+4/month
Province
swahili-port-zanzibar· game/common/buildings/00_special_buildings.txt


Duomo of Florence+4/month
Province
Levels 1–4: +1/month to +4/month (4 levels give it)
duomo-florence· game/common/buildings/ccp3_special_buildings.txt
Iron Pillar of Delhi+4/month
Province
Levels 3–4: +3/month to +4/month (2 levels give it)
qutb-minar· game/common/buildings/cp6_special_buildings.txt
Caravanserai+3.85/month
Province
Levels 1–8: +0.7/month to +3.85/month (8 levels give it)
caravanserai· game/common/buildings/00_standard_economy_buildings.txt
Watermills+3.85/month
Province
Levels 1–8: +0.7/month to +3.85/month (8 levels give it)
watermills· game/common/buildings/00_standard_economy_buildings.txt
Windmills+3.85/month
Province
Levels 1–8: +0.7/month to +3.85/month (8 levels give it)
windmills· game/common/buildings/00_standard_economy_buildings.txt
Manor Houses+3.85/month
Province
Levels 1–8: +0.7/month to +3.85/month (8 levels give it)
farm-estates· game/common/buildings/00_standard_economy_buildings.txt
Mahabodhi Temple+3/month
Province
holy-site-mahabodhi-temple· game/common/buildings/00_special_buildings.txt
Imam Ali Mosque+3/month
Province
holy-site-imam-ali-mosque· game/common/buildings/00_special_buildings.txt
Great Mosque of Mecca+3/month
Province
holy-site-great-mosque-of-mecca· game/common/buildings/00_special_buildings.txt
The Great Mosque of Cordoba+3/month
Province
holy-site-great-mosque-of-cordoba· game/common/buildings/00_special_buildings.txt


Temple in Jerusalem+3/month
Province
Levels 1–2: +3/month to +3/month (2 levels give it)
dome-of-the-rock· game/common/buildings/00_special_buildings.txt
Cathedral of Santiago de Compostela+3/month
Province
holy-site-basilica-santiago· game/common/buildings/00_special_buildings.txt
Pemba Trade Ports+3/month
Province
swahili-port-pemba· game/common/buildings/00_special_buildings.txt
Pate Island Trade Ports+3/month
Province
swahili-port-pate· game/common/buildings/00_special_buildings.txt


Marketplace of Cháng'ān+3/month
Province
Levels 1–2: +2/month to +3/month (2 levels give it)
changan-market· game/common/buildings/00_special_buildings.txt
Cluny Monastery+3/month
Province
Levels 1–2: +1.5/month to +3/month (2 levels give it)
cluny-abbey· game/common/buildings/ccp3_special_buildings.txt
Saint Peter's Basilica+3/month
Province
holy-site-st-peters-basilica· game/common/buildings/cp6_special_buildings.txt


Fanfang of Guangzhou+3/month
Province
fanfang-guangzhou· game/common/buildings/cp8_special_buildings.txt
Wilwatikta Palace+3/month
Province
wilwatikta-palace· game/common/buildings/cp8_special_buildings.txt


City+2.6/month
Province
Levels 1–4: +0.8/month to +2.6/month (4 levels give it)
city· game/common/buildings/00_city_buildings.txt
Paddy Fields+2.6/month
Province
Levels 1–8: +0.5/month to +2.6/month (8 levels give it)
paddy-fields· game/common/buildings/00_standard_economy_buildings.txt
Farms & Fields+2.6/month
Province
Levels 1–8: +0.5/month to +2.6/month (8 levels give it)
cereal-fields· game/common/buildings/00_standard_economy_buildings.txt
Wind Furnaces+2.6/month
Province
Levels 1–8: +0.5/month to +2.6/month (8 levels give it)
wind-furnace· game/common/buildings/00_standard_military_buildings.txt

Dragon Kiln+2/month
Province
Levels 1–3: +1.4/month to +2/month (3 levels give it)
dragon-kiln· game/common/buildings/00_duchy_capital_buildings.txt


Great Fire Temple+2/month
Province
holy-site-fire-temple· game/common/buildings/00_special_buildings.txt
Grand Temple+2/month
Province
holy-site-indian-grand-temple· game/common/buildings/00_special_buildings.txt
Grand Temple+2/month
Province
holy-site-buddhist-grand-temple· game/common/buildings/00_special_buildings.txt
Grand Shrine+2/month
Province
holy-site-japanese-temple· game/common/buildings/00_special_buildings.txt
Grand Temple+2/month
Province
holy-site-chinese-temple· game/common/buildings/00_special_buildings.txt
Grand Temple+2/month
Province
holy-site-se-asia-pagan-temple· game/common/buildings/00_special_buildings.txt
Grand Temple+2/month
Province
holy-site-other-grand-temple· game/common/buildings/00_special_buildings.txt
Cologne Cathedral+2/month
Province
holy-site-cologne-cathedral· game/common/buildings/00_special_buildings.txt



Temple of Uppsala+2/month
Province
Levels 1–2: +1/month to +2/month (2 levels give it)
temple-of-uppsala· game/common/buildings/00_special_buildings.txt

Sanctuary of Imam Reza+2/month
Province
imam-reza-shrine· game/common/buildings/00_special_buildings.txt
Ruins of the Palace of Ctesiphon+2/month
Province
palace-of-ctesiphon· game/common/buildings/00_special_buildings.txt

Port of Mombasa+2/month
Province
swahili-port-mombasa· game/common/buildings/00_special_buildings.txt
Po Klong Garai Temple+2/month
Province
po-klong-garai· game/common/buildings/00_special_buildings.txt

Bazaar of Herat+2/month
Province
Levels 1–2: +2/month to +2/month (2 levels give it)
herat-bazaar· game/common/buildings/00_special_buildings.txt
Shuka of Dvin+2/month
Province
Levels 1–2: +2/month to +2/month (2 levels give it)
dvin-shuka· game/common/buildings/00_special_buildings.txt
Khrom of Lhasa+2/month
Province
Levels 1–2: +2/month to +2/month (2 levels give it)
lhasa-market· game/common/buildings/00_special_buildings.txt
Bazaar of Khiva+2/month
Province
Levels 1–2: +2/month to +2/month (2 levels give it)
khiva-bazaar· game/common/buildings/00_special_buildings.txt
Bazaar of Lahur+2/month
Province
Levels 1–2: +2/month to +2/month (2 levels give it)
lahur-bazaar· game/common/buildings/00_special_buildings.txt
Hamadan Bazaar+2/month
Province
Levels 1–2: +2/month to +2/month (2 levels give it)
hamadan-bazaar· game/common/buildings/00_special_buildings.txt
Marketplace of Dūnhuáng+2/month
Province
Levels 1–2: +2/month to +2/month (2 levels give it)
dunhuang-market· game/common/buildings/00_special_buildings.txt
Sunday Bazaar+2/month
Province
Levels 1–2: +2/month to +2/month (2 levels give it)
sunday-bazaar· game/common/buildings/00_special_buildings.txt

Itsukushima Shrine+2/month
Province
Levels 1–2: +1/month to +2/month (2 levels give it)
itsukushima-jinja· game/common/buildings/00_special_buildings.txt









Temple+2/month
Province
Levels 1–4: +0.75/month to +2/month (4 levels give it)
temple· game/common/buildings/00_temple_buildings.txt
Great Mosque of Damascus+2/month
Province
damascus-mosque· game/common/buildings/ccp3_special_buildings.txt

St George of Lalibela+2/month
Province
beta-giyorgis· game/common/buildings/ccp3_special_buildings.txt



Collegiate Church of St Mary and St Alexius+2/month
Province
Levels 1–3: +0.5/month to +2/month (3 levels give it)
wawel-cathedral· game/common/buildings/ccp3_special_buildings.txt

Mont-Saint-Michel+2/month
Province
Levels 1–4: +0.5/month to +2/month (4 levels give it)
mont-st-michel· game/common/buildings/cp6_special_buildings.txt

Lingapura Pyramid+2/month
Province
pyramid-lingapura· game/common/buildings/cp8_special_buildings.txt




Guilds+1.75/month
Province
Levels 1–8: +0.35/month to +1.75/month (8 levels give it)
guild-halls· game/common/buildings/00_city_buildings.txt
Murex Fisheries+1.75/month
Province
Levels 1–8: +0.35/month to +1.75/month (8 levels give it)
murex-farm· game/common/buildings/00_standard_economy_buildings.txt
Spice Plantations+1.75/month
Province
Levels 1–8: +0.35/month to +1.75/month (8 levels give it)
spice-plantation· game/common/buildings/00_standard_economy_buildings.txt
Tradeport+1.75/month
Province
Levels 1–8: +0.35/month to +1.75/month (8 levels give it)
common-tradeport· game/common/buildings/00_standard_economy_buildings.txt
Cattle Pastures+1.75/month
Province
Levels 1–8: +0.35/month to +1.75/month (8 levels give it)
pastures· game/common/buildings/00_standard_economy_buildings.txt
Orchards+1.75/month
Province
Levels 1–8: +0.35/month to +1.75/month (8 levels give it)
orchards· game/common/buildings/00_standard_economy_buildings.txt
Forestry+1.75/month
Province
Levels 1–8: +0.35/month to +1.75/month (8 levels give it)
logging-camps· game/common/buildings/00_standard_economy_buildings.txt
Wetland Farms+1.75/month
Province
Levels 1–8: +0.35/month to +1.75/month (8 levels give it)
peat-quarries· game/common/buildings/00_standard_economy_buildings.txt
Hill Farms+1.75/month
Province
Levels 1–8: +0.35/month to +1.75/month (8 levels give it)
hill-farms· game/common/buildings/00_standard_economy_buildings.txt
Elephantry+1.75/month
Province
Levels 1–8: +0.35/month to +1.75/month (8 levels give it)
elephant-pens· game/common/buildings/00_standard_economy_buildings.txt
Workshops+1.75/month
Province
Levels 1–8: +0.35/month to +1.75/month (8 levels give it)
workshops· game/common/buildings/00_standard_military_buildings.txt

Pagoda of Fogong Temple+1.5/month
Province
pagoda-of-fogong-temple· game/common/buildings/00_special_buildings.txt
Tiantai Monasteries+1.5/month
Province
tiantai-monasteries· game/common/buildings/00_special_buildings.txt
Jizu Shan Temples+1.5/month
Province
jizu-shan-temples· game/common/buildings/00_special_buildings.txt

Royal Gardens+1.4/month
Province
Levels 1–3: +0.8/month to +1.4/month (3 levels give it)
royal-garden· game/common/buildings/00_duchy_capital_buildings.txt
Royal Reserves+1.4/month
Province
Levels 1–3: +0.8/month to +1.4/month (3 levels give it)
royal-forest· game/common/buildings/00_duchy_capital_buildings.txt
Castle+1.3/month
Province
Levels 1–4: +0.4/month to +1.3/month (4 levels give it)
castle· game/common/buildings/00_castle_buildings.txt
Hospices+1.3/month
Province
Levels 1–8: +0.25/month to +1.3/month (8 levels give it)
hospices· game/common/buildings/00_common_buildings.txt
Qanats+1.3/month
Province
Levels 1–8: +0.25/month to +1.3/month (8 levels give it)
qanats· game/common/buildings/00_standard_economy_buildings.txt
Hunting Grounds+1.3/month
Province
Levels 1–8: +0.25/month to +1.3/month (8 levels give it)
hunting-grounds· game/common/buildings/00_standard_economy_buildings.txt
Desert Agriculture+1.3/month
Province
Levels 1–8: +0.25/month to +1.3/month (8 levels give it)
plantations· game/common/buildings/00_standard_economy_buildings.txt
Quarries+1.3/month
Province
Levels 1–8: +0.25/month to +1.3/month (8 levels give it)
quarries· game/common/buildings/00_standard_economy_buildings.txt
Quarries+1.3/month
Province · culture with Ancient Miners
Levels 1–8: +0.25/month to +1.3/month (8 levels give it)
quarries· game/common/buildings/00_standard_economy_buildings.txt
Walls & Towers+1.3/month
Province
Levels 1–8: +0.25/month to +1.3/month (8 levels give it)
curtain-walls· game/common/buildings/00_standard_fortification_buildings.txt
Monasteries+1.3/month
Province
Levels 1–8: +0.25/month to +1.3/month (8 levels give it)
monastic-schools· game/common/buildings/00_temple_buildings.txt
Breweries+1.3/month
Province
Levels 1–8: +0.25/month to +1.3/month (8 levels give it)
breweries· game/common/buildings/00_temple_buildings.txt
Capital Magistracy+1.2/month
Province
Levels 1–8: +0.15/month to +1.2/month (8 levels give it)
capital-bureau· game/common/buildings/00_admin_buildings.txt
Charnel Grounds+1.1/month
Province
Levels 1–3: +0.5/month to +1.1/month (3 levels give it)
charnel-grounds· game/common/buildings/00_duchy_capital_buildings.txt
Great Megalith+1.1/month
Province
great-megalith· game/common/buildings/00_duchy_capital_buildings.txt
Grand Temple+1/month
Province
holy-site-pagan-grand-temple· game/common/buildings/00_special_buildings.txt
Parliament+1/month
Province
special-sicilian-parliament· game/common/buildings/00_special_buildings.txt

Heddal Stave Church+1/month
Province
heddal-stave-church· game/common/buildings/00_special_buildings.txt
Roman Walls of Lugo+1/month
Province
roman-wall-of-lugo· game/common/buildings/00_special_buildings.txt


Temple of the Theotokos+1/month
Province
Levels 1–2: +1/month to +1/month (2 levels give it)
church-of-the-theotokos· game/common/buildings/00_special_buildings.txt
Saint Catherine's Monastery+1/month
Province
saint-catherine· game/common/buildings/00_special_buildings.txt

Cathedral of Vagarshapat+1/month
Province
etchmiadzin-cathedral· game/common/buildings/00_special_buildings.txt

Giant Wild Goose Pagoda+1/month
Province
giant-wild-goose-pagoda· game/common/buildings/00_special_buildings.txt







Three Pagodas of Dali+1/month
Province
three-pagodas-dali· game/common/buildings/cp8_special_buildings.txt
Iron Lion of Cangzhou+1/month
Province
iron-lion-cangzhou· game/common/buildings/cp8_special_buildings.txt
Imperial Citadel of Lin'an+1/month
Province
citadel-linan· game/common/buildings/cp8_special_buildings.txt

Archbasilica of Saint John Lateran+0.8/month
Province
pam-lateran-basilica· game/common/buildings/pam_buildings.txt

Capital Temple Complex+0.75/month
Province
Levels 1–5: +0.2/month to +0.75/month (5 levels give it)
mandala-capital· game/common/buildings/tgp_great_project_buildings.txt
Markets+0.7/month
Province
Levels 1–2: +0.4/month to +0.7/month (2 levels give it)
market-villages· game/common/buildings/00_tribal_buildings.txt
Religious Monuments+0.7/month
Province
Levels 1–4: +0.25/month to +0.7/month (4 levels give it)
oath-faithful-building· game/common/buildings/99_ach_buildings.txt
Hillside Grazing Lands+0.65/month
Province
Levels 1–8: +0.13/month to +0.65/month (8 levels give it)
hillside-grazing· game/common/buildings/00_standard_military_buildings.txt
Outposts+0.65/month
Province
Levels 1–8: +0.13/month to +0.65/month (8 levels give it)
outposts· game/common/buildings/00_standard_military_buildings.txt
Outposts+0.65/month
Province · culture with Jungle Dwellers
Levels 1–8: +0.13/month to +0.65/month (8 levels give it)
outposts· game/common/buildings/00_standard_military_buildings.txt
Camelry+0.65/month
Province
Levels 1–8: +0.13/month to +0.65/month (8 levels give it)
camel-farms· game/common/buildings/00_standard_military_buildings.txt
Tribal Hold+0.55/month
Province · government parameter government_is_tribal_excluding_wanua
Levels 1–2: +0.25/month to +0.55/month (2 levels give it)
tribe· game/common/buildings/00_tribal_buildings.txt
Legendary Statue+0.5/month
Province
legendary-statue· game/common/buildings/00_legendary_buildings.txt

Meteora+0.5/month
Province
Levels 1–2: +0.4/month to +0.5/month (2 levels give it)
meteora· game/common/buildings/00_special_buildings.txt
Sant'Apollinare Nuovo+0.5/month
Province
apollinare-nuovo· game/common/buildings/00_special_buildings.txt
Church of Saint Sophia+0.5/month
Province
sofia-ohrid· game/common/buildings/00_special_buildings.txt
Stone Pagoda of Mireuksa+0.5/month
Province
stone-pagoda· game/common/buildings/cp8_special_buildings.txt

Church of Saint Lazarus+0.4/month
Province
saint-lazarus· game/common/buildings/00_special_buildings.txt
Sumela Monastery+0.4/month
Province
Levels 1–2: +0.2/month to +0.4/month (2 levels give it)
sumela-monastery· game/common/buildings/00_special_buildings.txt
Mount Athos+0.4/month
Province
Levels 1–3: +0.1/month to +0.4/month (3 levels give it)
mount-athos· game/common/buildings/00_special_buildings.txt
Subak Water-Temples+0.4/month
Province
Levels 1–4: +0.1/month to +0.4/month (4 levels give it)
water-temples· game/common/buildings/00_tribal_buildings.txt
Stilted Granaries+0.4/month
Province
Levels 1–4: +0.1/month to +0.4/month (4 levels give it)
stilted-granaries· game/common/buildings/00_tribal_buildings.txt
Temple Citadel+0.35/month
Province
Levels 1–4: +0.13/month to +0.35/month (4 levels give it)
temple-citadel· game/common/buildings/temple_citadel_buildings.txt
Desert Agriculture+0.33/month
Province · culture with Dryland Dwellers or Irrigation Experts
Levels 1–8: +0.06/month to +0.33/month (8 levels give it)
plantations· game/common/buildings/00_standard_economy_buildings.txt
Tribal Hold+0.28/month
Province · government parameter government_is_wanua
Levels 1–2: +0.13/month to +0.28/month (2 levels give it)
tribe· game/common/buildings/00_tribal_buildings.txt
Cattolica di Stilo+0.2/month
Province
cattolica-stilo· game/common/buildings/00_special_buildings.txt
Source: game/common/buildings/00_admin_buildings.txt, game/common/buildings/00_castle_buildings.txt, game/common/buildings/00_city_buildings.txt, game/common/buildings/00_common_buildings.txt, game/common/buildings/00_duchy_capital_buildings.txt, game/common/buildings/00_legendary_buildings.txt, game/common/buildings/00_special_buildings.txt, game/common/buildings/00_special_mines.txt, game/common/buildings/00_standard_economy_buildings.txt, game/common/buildings/00_standard_fortification_buildings.txt, game/common/buildings/00_standard_military_buildings.txt, game/common/buildings/00_temple_buildings.txt, game/common/buildings/00_tribal_buildings.txt, game/common/buildings/99_ach_buildings.txt, game/common/buildings/ccp3_special_buildings.txt, game/common/buildings/cp6_special_buildings.txt, game/common/buildings/cp8_special_buildings.txt, game/common/buildings/pam_buildings.txt, game/common/buildings/temple_citadel_buildings.txt, game/common/buildings/tgp_great_project_buildings.txt, game/common/traits/00_traits.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.