For Crusader Kings III players, this is a guide that provides all the info you need about special buildings location and effects in the game, let’s check it out.
Special Buildings
Mahabodhi Temple (Gaya)
Holding
Tax: +3.0/month
County
Holding Taxes: +20%
Development Growth: +30%/month
Development Growth: +0.2/month
Realm
Learning Per Level of Devotion: +2
Piety: +1.0/month
Monthly Renown: +5%
Different Faith Opinion: +5
Religious Vassal Opinion: +10
Different Faith Popular Opinion: -20%
Tax: +3.0/month
County
Holding Taxes: +20%
Development Growth: +30%/month
Development Growth: +0.2/month
Realm
Learning Per Level of Devotion: +2
Piety: +1.0/month
Monthly Renown: +5%
Different Faith Opinion: +5
Religious Vassal Opinion: +10
Different Faith Popular Opinion: -20%
Imam Ali Mosque (An-Najaf/Kufa)
Holding
Tax: +3.0/month
County
Holding Taxes: +20%
Development Growth: +30%/month
Development Growth: +0.2/month
Realm
Piety: +1.0/month
Monthly Renown: +5%
Men-at-Arms Maintenance: -10.00%
Same Faith Opinion: +5
Control Growth Factor: +10.00%
Tax: +3.0/month
County
Holding Taxes: +20%
Development Growth: +30%/month
Development Growth: +0.2/month
Realm
Piety: +1.0/month
Monthly Renown: +5%
Men-at-Arms Maintenance: -10.00%
Same Faith Opinion: +5
Control Growth Factor: +10.00%
Great Mosque of Mecca (Mecca)
Holding
Tax: +3.0/month
County
Holding Taxes: +15%
Development Growth: +35%/month
Development Growth: +0.3/month
Realm
Piety: +1.0/month
Monthly Renown: +5%
Men-at-Arms Maintenance: -10.00%
Same Faith Opinion: +5
Control Growth Factor: +10%/month
Tax: +3.0/month
County
Holding Taxes: +15%
Development Growth: +35%/month
Development Growth: +0.3/month
Realm
Piety: +1.0/month
Monthly Renown: +5%
Men-at-Arms Maintenance: -10.00%
Same Faith Opinion: +5
Control Growth Factor: +10%/month
Great Mosque of Cordoba (Cordoba)
Holding
Tax: +3.0/month
County
Levy Size: +15%
Holding Taxes: +15%
Development Growth: +20%/month
Development Growth: +0.2/month
Realm
Piety: +0.5/month
Monthly Renown: +5%
Different Culture Opinion: +5
Development Growth in Realm Capital: +0.2/month
Tax: +3.0/month
County
Levy Size: +15%
Holding Taxes: +15%
Development Growth: +20%/month
Development Growth: +0.2/month
Realm
Piety: +0.5/month
Monthly Renown: +5%
Different Culture Opinion: +5
Development Growth in Realm Capital: +0.2/month
Great Mosque of Djenne (Jenne-Jeno)
County
Levy Size: +15%
Holding Taxes: +15%
Development Growth: +20%/month
Development Growth: +0.2/month
Realm
Piety: +1.0/month
Monthly Renown: +5%
Building Construction Gold Cost: -15%
Levy Size: +15%
Holding Taxes: +15%
Development Growth: +20%/month
Development Growth: +0.2/month
Realm
Piety: +1.0/month
Monthly Renown: +5%
Building Construction Gold Cost: -15%
Great Mosque of Samarra (Samarra)
County
Holding Taxes: +20%
Development Growth: +20%/month
Development Growth: +0.2/month
Realm
Piety: +0.3/month
Building Construction Time: -10%
Building Construction Gold Cost: -15%
Holding Taxes: +20%
Development Growth: +20%/month
Development Growth: +0.2/month
Realm
Piety: +0.3/month
Building Construction Time: -10%
Building Construction Gold Cost: -15%
Cologne Cathedral (Cologne)
Holding
Tax: +2.0/month
County
Holding Taxes: +20%
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Monthly Piety: +15%
Piety Per Knight: +0.1
Monthly Renown: +5%
Knight Effectiveness: +20%
Control Growth Factor: +5%/month
Tax: +2.0/month
County
Holding Taxes: +20%
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Monthly Piety: +15%
Piety Per Knight: +0.1
Monthly Renown: +5%
Knight Effectiveness: +20%
Control Growth Factor: +5%/month
Canterbury Cathedral (Canterbury/Kent)
Holding
Tax: +3.0/month
County
Holding Taxes: +20%
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Piety: +0.3/month
Piety Per Powerful Vassal on the Council: +0.2/month
Monthly Renown: +5%
Control Growth Factor: +5%/month
Tax: +3.0/month
County
Holding Taxes: +20%
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Piety: +0.3/month
Piety Per Powerful Vassal on the Council: +0.2/month
Monthly Renown: +5%
Control Growth Factor: +5%/month
The Prophetic Mosque (Medina)
County
Supply Limit: +100%
Holding Taxes: +20%
Development Growth: +75%/month
Development Growth: +0.2/month
Realm
Piety: +0.5/month
Knight Effectiveness: +20%
Holy Order Hire Cost: -15%
Popular Opinion: +5
Supply Limit: +100%
Holding Taxes: +20%
Development Growth: +75%/month
Development Growth: +0.2/month
Realm
Piety: +0.5/month
Knight Effectiveness: +20%
Holy Order Hire Cost: -15%
Popular Opinion: +5
Doge’s Palace (Venezia)
Holding
Defender Advantage: +10
Fort Level: +3
Levy Size: +100%
Garrison Size: +100%
County
Hostile Raid Time: +50%
Holding Taxes: +50%
Development Growth: +30%/month
Development Growth: +0.3/month
Defender Advantage: +10
Fort Level: +3
Levy Size: +100%
Garrison Size: +100%
County
Hostile Raid Time: +50%
Holding Taxes: +50%
Development Growth: +30%/month
Development Growth: +0.3/month
Walls of Genoa (Genoa)
Holding
Fort Level: +2
Garrison Size: +25%
County
Defender Advantage: +5
Hostile Raid Time: +50%
Holding Taxes: +10%
Development Growth: +10%/month
Development Growth: +0.2/month
Fort Level: +2
Garrison Size: +25%
County
Defender Advantage: +5
Hostile Raid Time: +50%
Holding Taxes: +10%
Development Growth: +10%/month
Development Growth: +0.2/month
Visby Ringmur (Visby/Gotland)
Holding
Fort Level: +1
Garrison Size: +25%
County
Defender Advantage: +5
Hostile Raid Time: +50%
Holding Taxes: +15%
Development Growth: +15%/month
Development Growth: +0.2/month
Popular Opinion: +5
Fort Level: +1
Garrison Size: +25%
County
Defender Advantage: +5
Hostile Raid Time: +50%
Holding Taxes: +15%
Development Growth: +15%/month
Development Growth: +0.2/month
Popular Opinion: +5
Walls of Benin (Benin)
Holding
Fort Level: +2
Garrison Size: +50%
County
Defender Advantage: +5
Hostile Raid Time: +50%
Levy Size: +50%
Holding Taxes: +20%
Development Growth: +75%/month
Development Growth: +0.2/month
Fort Level: +2
Garrison Size: +50%
County
Defender Advantage: +5
Hostile Raid Time: +50%
Levy Size: +50%
Holding Taxes: +20%
Development Growth: +75%/month
Development Growth: +0.2/month
Theodosian Walls (Constantinople)
Uses Duchy Building Slot
Uses Duchy Building Slot
Holding
Fort Level: +5
Garrison Size: +100%
Garrison: +1000
County
Hostile Raid Time: +50%
Levy Size: +300%
Holding Taxes: +300%
Development Growth: +20%/month
Development Growth: +0.3/month
All Holdings in Duchy
Levy Size: +15%
Holding Taxes: +15%
Fort Level: +5
Garrison Size: +100%
Garrison: +1000
County
Hostile Raid Time: +50%
Levy Size: +300%
Holding Taxes: +300%
Development Growth: +20%/month
Development Growth: +0.3/month
All Holdings in Duchy
Levy Size: +15%
Holding Taxes: +15%
Aurelian Walls (Rome/Roma)
Uses Duchy Building Slot
Uses Duchy Building Slot
Holding
Fort Level: +3
Garrison Size: +50%
Garrison: +500
County
Hostile Raid Time: +50%
Development Growth: +10%/month
Development Growth: +0.2/month
All Holdings in Duchy
Levy Size: +15%
Holding Taxes: +15%
Fort Level: +3
Garrison Size: +50%
Garrison: +500
County
Hostile Raid Time: +50%
Development Growth: +10%/month
Development Growth: +0.2/month
All Holdings in Duchy
Levy Size: +15%
Holding Taxes: +15%
The Colosseum (Rome/Roma)
Holding
Building Construction Time: -10%
Realm
Army Maintenance: -5%
Building Construction Time: -10%
Realm
Army Maintenance: -5%
Iron Pillar of Delhi (Indraprastha/Delhi)
County
Development Growth: +10%/month
Development Growth: +0.1/month
Realm
Monthly Prestige: +5%
Army Maintenance: -5%
Heavy Infantry Toughness: +10%
Heavy Cavalry Toughness: +10%
Development Growth: +10%/month
Development Growth: +0.1/month
Realm
Monthly Prestige: +5%
Army Maintenance: -5%
Heavy Infantry Toughness: +10%
Heavy Cavalry Toughness: +10%
Iron Pillar of Dhar (Dhara)
County
Levy Size: +15%
Development Growth: +0.1/month
Realm
Monthly Renown: +5%
Advantage: +5
Levy Size: +15%
Development Growth: +0.1/month
Realm
Monthly Renown: +5%
Advantage: +5
The Pyramids (Gizeh/Giza)
County
Development Growth: +0.1/month
Realm
Monthly Renown: +5%
Short Reign Duration -20%
Development Growth: +0.1/month
Realm
Monthly Renown: +5%
Short Reign Duration -20%
Special Buildings (cont.)
Stonehenge (Salisbury/Wiltshire)
Realm
Learning: +2
Faith Conversion Cost: -20%
Monthly Learning Lifestyle Experience: +15%
Learning: +2
Faith Conversion Cost: -20%
Monthly Learning Lifestyle Experience: +15%
Offa’s ♥♥♥♥ (Gloucester/Gloucestershire)
Holding
Defender Advantage: +2
Defender Advantage: +2
Hadrian’s Wall (Whitehaven, Carlisle, Hexham, Bebbanburg)
Holding
Building Construction Gold Cost: -10%
Building Construction Gold Cost: -10%
Petra (Baidha-Petra/Negev)
Holding
Tax: +0.8/month
County
Supply Limit: +25%
Holding Taxes: +10%
Development Growth: +15%/month
Development Growth: +0.1/month
Tax: +0.8/month
County
Supply Limit: +25%
Holding Taxes: +10%
Development Growth: +15%/month
Development Growth: +0.1/month
Buddhas of Bamiyan (Bamiyan/Bamian)
County
Holding Taxes: +10%
Development Growth: +75%/month
Development Growth: +0.2/month
Realm
Diplomacy Per Level of Devotion: +1
Monthly Piety: +10%
Holding Taxes: +10%
Development Growth: +75%/month
Development Growth: +0.2/month
Realm
Diplomacy Per Level of Devotion: +1
Monthly Piety: +10%
Alhambra (Granada)
Holding
Defender Advantage: +2
Fort Level: +2
Garrison: +250
Defender Advantage: +2
Fort Level: +2
Garrison: +250
Citadel of Aleppo (Halab/Aleppo)
Holding
Defender Advantage: +2
Fort Level: +2
Garrison: +250
Realm
Prestige: +0.1/month
Defender Advantage: +2
Fort Level: +2
Garrison: +250
Realm
Prestige: +0.1/month
House of Wisdom (Baghdad)
County
Holding Taxes: +20%
Development Growth: +20%/month
Development Growth: +0.2/month
Realm
Learning Per Level of Fame: +2
Monthly Lifestyle Experience: +15%
Different Culture Opinion: +10
Cultural Fascination Progress: +15%
Faith Creation and Reformation Cost: -20%
Holding Taxes: +20%
Development Growth: +20%/month
Development Growth: +0.2/month
Realm
Learning Per Level of Fame: +2
Monthly Lifestyle Experience: +15%
Different Culture Opinion: +10
Cultural Fascination Progress: +15%
Faith Creation and Reformation Cost: -20%
The Tower of London (Lunden/Middle Seaxe)
Holding
Defender Advantage: +6
Fort Level: +6
Garrison: +750
County
Holding Taxes: +5%
Development Growth: +10%/month
Development Growth: +0.1/month
Realm
Dread Gain: +30%
Defender Advantage: +6
Fort Level: +6
Garrison: +750
County
Holding Taxes: +5%
Development Growth: +10%/month
Development Growth: +0.1/month
Realm
Dread Gain: +30%
Notre-Dame (Paris/Ile de France)
Holding
Tax: +2.0/month
County
Holding Taxes: +20%
Development Growth: +30%/month
Development Growth: +0.2/month
Popular Opinion: +5
Realm
Stewardship Per Level of Devotion: +1
Piety: +1.0/month
Monthly Renown: +5%
Tax: +2.0/month
County
Holding Taxes: +20%
Development Growth: +30%/month
Development Growth: +0.2/month
Popular Opinion: +5
Realm
Stewardship Per Level of Devotion: +1
Piety: +1.0/month
Monthly Renown: +5%
Brihadeeswarar Temple (Tanjavur/Cholamandalam)
County
Holding Taxes: +20%
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Stewardship Per Level of Devotion: +1
Piety: +0.2/month
Monthly Renown: +5%
Same Faith Opinion: +5
Holding Taxes: +20%
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Stewardship Per Level of Devotion: +1
Piety: +0.2/month
Monthly Renown: +5%
Same Faith Opinion: +5
Shwedagon Pagoda (Dagon)
Holding
Tax: +2.0/month
County
Holding Taxes: +20%
Development Growth: +20%/month
Development Growth: +0.2/month
Realm
Piety: +0.5/month
Monthly Renown: +5%
Tyranny Gain: -10%
Clergy Opinion: +5
Tax: +2.0/month
County
Holding Taxes: +20%
Development Growth: +20%/month
Development Growth: +0.2/month
Realm
Piety: +0.5/month
Monthly Renown: +5%
Tyranny Gain: -10%
Clergy Opinion: +5
Ananda Temple (Pagan)
Holding
Tax: +3.0/month
County
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Learning: +2
Monthly Piety: +5%
Control Growth Factor: +10%/month
Popular Opinion: +5
Tax: +3.0/month
County
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Learning: +2
Monthly Piety: +5%
Control Growth Factor: +10%/month
Popular Opinion: +5
The Friday Mosque (Isfahan)
County
Holding Taxes: +20%
Development Growth: +25%/month
Development Growth: +0.2/month
Realm
Level of Devotion Impact: +50%
Holding Taxes: +20%
Development Growth: +25%/month
Development Growth: +0.2/month
Realm
Level of Devotion Impact: +50%
Khajuraho (Chanderi)
Holding
Tax: +1.5/month
County
Holding Taxes: +20%
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Monthly Piety Per Powerful Vassal on the Council: +5%
Different Faith Opinion: +10
Faith Conversion Cost: -20%
Tax: +1.5/month
County
Holding Taxes: +20%
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Monthly Piety Per Powerful Vassal on the Council: +5%
Different Faith Opinion: +10
Faith Conversion Cost: -20%
Palace of Aachen (Aachen)
County
Development Growth: +0.2/month
Realm
Prestige Per Powerful Vassal on the Council: +0.1/month
Monthly Renown:+5%
Tyranny Gain: -20%
Clergy Opinion: +5
Powerful Vassal Opinion: +5
Development Growth: +0.2/month
Realm
Prestige Per Powerful Vassal on the Council: +0.1/month
Monthly Renown:+5%
Tyranny Gain: -20%
Clergy Opinion: +5
Powerful Vassal Opinion: +5
Hagia Sophia (Constantinople)
County
Development Growth: +20%/month
Realm
Learning: +2
Intrigue Per Level of Fame: +2
Piety Per Knight: +0.1
Monthly Renown: +5%
Number of Knights: +2
Knight Effectiveness: +20%
Development Growth: +20%/month
Realm
Learning: +2
Intrigue Per Level of Fame: +2
Piety Per Knight: +0.1
Monthly Renown: +5%
Number of Knights: +2
Knight Effectiveness: +20%
Dome of the Rock (Jerusalem)
Holding
Tax: +3.0/month
County
Holding Taxes: +30%
Development Growth: +30%/month
Development Growth: +0.2/month
Realm
Martial Per Level of Devotion: +1
Monthly Piety Per Knight: +3%
Monthly Renown: +5%
Knight Effectiveness: +20%
Control Growth Factor: +10%/month
Tax: +3.0/month
County
Holding Taxes: +30%
Development Growth: +30%/month
Development Growth: +0.2/month
Realm
Martial Per Level of Devotion: +1
Monthly Piety Per Knight: +3%
Monthly Renown: +5%
Knight Effectiveness: +20%
Control Growth Factor: +10%/month
Rammelsberg Mines (Goslar/Göttingen)
Holding
Tax: +5.0/month
County
Holding Taxes: +20%
Development Growth: +5%/month
Tax: +5.0/month
County
Holding Taxes: +20%
Development Growth: +5%/month
Kutná Hora Mine (Čáslav)
Holding
Tax: +3.0/month
County
Holding Taxes: +10%
Development Growth: +5%/month
Tax: +3.0/month
County
Holding Taxes: +10%
Development Growth: +5%/month
Kremnica Mines (Turóc/Trenscen)
Holding
Tax: +3.0/month
County
Development Growth: +5%/month
Tax: +3.0/month
County
Development Growth: +5%/month
The Falun Mines (Falene/Dalabergslagen)
Holding
Tax: +2.0/month
County
Levy Size: +10%
Holding Taxes: +5%
Development Growth: +5%/month
Tax: +2.0/month
County
Levy Size: +10%
Holding Taxes: +5%
Development Growth: +5%/month
Schwaz Mine (Innsbruck)
Holding
Tax: +3.0/month
County
Development Growth: +10%/month
Tax: +3.0/month
County
Development Growth: +10%/month
Argentiera Mine (Iglesias/Cagliari)
Holding
Tax: +3.0/month
County
Development Growth: +10%/month
Tax: +3.0/month
County
Development Growth: +10%/month
The Kollur Mines (Ellur/Vengipura)
Holding
Tax: +5.0/month
County
Holding Taxes: +20%
Development Growth: +10%/month
Tax: +5.0/month
County
Holding Taxes: +20%
Development Growth: +10%/month
Special Buildings (cont. 2)\
Siderokausia Mines (Ierrisos/Chalkidike)
Holding
Tax: +3.0/month
County
Development Growth +10%/month
Tax: +3.0/month
County
Development Growth +10%/month
Malinese Gold Mines (Somewhere in Mali? I can’t find the county.Effects taken from game files)
Holding
Tax: +?/month
County
Holding Taxes: +10%
Development Growth: +5%/month
Tax: +?/month
County
Holding Taxes: +10%
Development Growth: +5%/month
Hall of Heroes (Decision Pagans can take)
Holding
Levy: +150
Garrison: +75
Realm
Prowess: +1
Piety Per Knight: +0.1
Knight Effectiveness: +5%
Levy: +150
Garrison: +75
Realm
Prowess: +1
Piety Per Knight: +0.1
Knight Effectiveness: +5%
Generic University (Decision for Oxford, Cambridge, Bologna,
Paduan, Napoli, others?)
Paduan, Napoli, others?)
County
Development Growth: +10%/month
Realm
Learning Per Level of Fame: +1
Renown: +0.2/month
Monthly Lifestyle Experience: +5%
Development Growth: +10%/month
Realm
Learning Per Level of Fame: +1
Renown: +0.2/month
Monthly Lifestyle Experience: +5%
Al-Azhar University (Cairo)
County
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Diplomacy Per Level of Fame: +1
Learning Per Level of Fame: +1
Renown: +0.2/month
Monthly Lifestyle Experience: +10%
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Diplomacy Per Level of Fame: +1
Learning Per Level of Fame: +1
Renown: +0.2/month
Monthly Lifestyle Experience: +10%
The University of Sankore (Tirakka)
County
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Martial Per Level of Fame: +1
Learning Per Level of Fame: +1
Renown: +0.2/month
Monthly Lifestyle Experience: +10%
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Martial Per Level of Fame: +1
Learning Per Level of Fame: +1
Renown: +0.2/month
Monthly Lifestyle Experience: +10%
The University of Siena (Siena)
County
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Intrigue Per Level of Fame: +1
Learning Per Level of Fame: +1
Renown: +0.2/month
Monthly Lifestyle Experience: +10%
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Intrigue Per Level of Fame: +1
Learning Per Level of Fame: +1
Renown: +0.2/month
Monthly Lifestyle Experience: +10%
Nalanda University (Pataliputra/Magadha)
County
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Stewardship Per Level of Fame: +1
Learning Per Level of Fame: +1
Renown: +0.2/month
Monthly Lifestyle Experience: +10%
Development Growth: +20%/month
Development Growth: +0.1/month
Realm
Stewardship Per Level of Fame: +1
Learning Per Level of Fame: +1
Renown: +0.2/month
Monthly Lifestyle Experience: +10%
Sicilian Parliament (Palermo or Napoli)
To build take decision as Sicilian King of Sicily.
Gives the holding a modifier for 150 years
To build take decision as Sicilian King of Sicily.
Gives the holding a modifier for 150 years
Holding
Building Construction Time: -5%
Building Construction Gold Cost: -5%
Development Growth: +10%month
Building Construction Time: -5%
Building Construction Gold Cost: -5%
Development Growth: +10%month
Greenhouse
I have only seen this in the game files
I have only seen this in the game files
County
Tax: +1.0/month
Development Growth: +25%/month
Popular Opinion: +25
Realm
Health: +0.25
Prestige: +1.0/month
Tax: +1.0/month
Development Growth: +25%/month
Popular Opinion: +25
Realm
Health: +0.25
Prestige: +1.0/month
That’s all we are sharing today in Crusader Kings III All Special Buildings Guide (Effects) , if there are anything you want to add please feel free to leave a comment below and we’ll see you soon.
Credit to Helios
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