All Special Buildings in Crusader Kings 3 (& How to Build Them) (2024)

Ananda Temple

Pagan

  • Owner follows any Eastern Faith
  • 1,000 gold
  • +3 Tax income
  • +20% Development Growth
  • +0.20 Development Growth
  • +2 Learning
  • +5% Piety
  • +5% Renown
  • +10% Control growth
  • +5 Popular Opinion

Brihadeeswarar Temple

Cholamandalam

  • Owner follows any Eastern Faith
  • Owner's culture has Manorialism
  • 1,000 gold
  • +20% holding Taxes
  • +20% Development Growth
  • +0.20 Development Growth
  • +1 Stewardship per Level of Devotion
  • +0.2 Piety
  • +5% Renown
  • +5 Same Faith Opinion

Buddhas of Bamian

Bamian

Owner follows any Eastern Faith

  • +10% holding Taxes
  • +75% Development Growth
  • +0.30 Development Growth
  • +1 Diplomacy per Level of Devotion
  • +10% Piety

Canterbury Basilica/ Temple/ Cathedral

Kent

  • Owner is Christian or considers Kent a Holy Site
  • Owner's culture has Crop Rotation
  • 1,000 gold (per upgrade)
  • +3/5/6 Tax income
  • +20/20/30% holding Taxes
  • +10/20/30% Development Growth
  • +0.1/0.2/0.3 Development Growth
  • +5 Popular Opinion (Cathedral)
  • +0.2/0.5/1 Piety
  • +0.1/0.2/0.3 Piety per Powerful Vassal on Council
  • +5% Renown
  • +5/10/25 Control growth

Cathedral of Santiago de Compostela

Santiago

  • Owner is Christian or Muslim
  • 1,000 gold
  • +3 Tax income
  • +30% holding Taxes
  • +20% Development Growth
  • +0.20 Development Growth
  • +0.2 Piety
  • +5% Renown
  • -15% Holy Order hire cost
  • +5 Clergy Opinion
  • +20% Learn Language power

Cologne Cathedral

Cologne

  • Owner's culture has Crop Rotation
  • Owner is Christian
  • 1,000 gold
  • +2 Tax income
  • +20% holding Taxes
  • +20% Development Growth
  • +0.20 Development Growth
  • +15% Piety
  • +0.10 Piety per Knight
  • +5% Renown
  • +20% Knight Effectiveness
  • +5% Control growth

Dome of the Rock/ The Third Temple

Jerusalem

  • Owner considers Jerusalem a Holy Site
  • Upgrade requires that owner is Jewish and has 1,000 gold.
  • +3 Tax income
  • +30% holding Taxes
  • +30% Development Growth
  • +0.30 Development Growth
  • +1 Martial per Level of Devotion
  • +3% Piety per Knight
  • +5% Renown
  • +20% Knight Effectiveness
  • +10% Control growth
  • +1 Learning per Level of Fame (Third Temple)
  • +5 Same Faith Opinion (Third Temple)

The Friday Mosque

Isfahan

Owner is Muslim or Zoroastrian

  • +20% holding Taxes
  • +25% Development Growth
  • +0.30 Development Growth
  • +50% Level of Devotion impact
  • +5% Renown

Great Mosque of Cordoba

Cordoba

Owner is Muslim or Christian

  • +3 Tax income
  • +15% Levy size
  • +15% holding Taxes
  • +20% Development Growth
  • +0.15 Development Growth
  • +0.5 Piety
  • +55 Renown
  • +5 Different Culture Opinion
  • +0.20 Development Growth in Capital

Great Mosque of Djenne

Jenne

  • Owner is Muslim or considers Jenne a Holy Site
  • Jenne isn't Tribal
  • 1,000 gold
  • +15% Levy size
  • +15% holding Taxes
  • +20% Development Growth
  • +0.30 Development Growth
  • +1 Piety
  • +5% Renown
  • -15% Building Construction cost

Great Mosque of Mecca

Mecca

Owner is Muslim

  • +3 Tax income
  • +20% holding Taxes
  • +35% Development Growth
  • +0.50 Development Growth
  • +1 Piety
  • +5% Renown
  • -10% Men-at-Arms Maintenance
  • +5 Same Faith Opinion
  • +10% Control growth

Great Mosque of Samarra

Samarra

Owner is Muslim

  • +20% holding Taxes
  • +20% Development Growth
  • +0.30 Development Growth
  • +0.3 Piety
  • +5% Renown
  • -10% Building construction time
  • -10% Building construction cost

Hagia Sophia Cathedral/ Hagia Sophia Mosque

Byzantion

  • Owner is Christian
  • Upgrade requires Muslim owner, 1,000 gold, and 1,000 Piety
  • +20% Development Growth (cathedral only)
  • +2 Learning
  • +2 Intrigue per Level of Fame
  • +0.10 Piety per Knight
  • +5% Renown
  • +2 Knights
  • +20% Knight Effectiveness

Imam Ali Mosque

Kufa

Owner considers Kufa a Holy Site

  • +3 Tax income
  • +20% holding Taxes
  • +30% Development Growth
  • +0.30 Development Growth
  • +1 Piety
  • +5% Renown
  • -10% Men-at-Arms Maintenance
  • +5 Same Faith Opinion
  • +10% Control growth

Lund Cathedral

Skane

  • Owner is Christian
  • Skane isn't Tribal
  • Owner's Culture has Crop Rotation
  • 1,000 gold
  • +2 Tax income
  • +20% holding Taxes
  • +20% Development Growth
  • +0.20 Development Growth
  • +0.3 Piety
  • +5% Renown
  • +10% Control growth

Mahabodhi Temple

Gaya

Owner considers Gaya a Holy Site

  • +3 Tax income
  • +20% holding Taxes
  • +30% Development Growth
  • +0.30 Development Growth
  • +1 Learning per Level of Devotion
  • +1 Piety
  • +5% Renown
  • +5 Different Faith Opinion
  • +10 Religious Vassal Opinion
  • -20% Different Faith Opinion penalty

Minaret of Jam

Ghur

  • Owner is Muslim or considers Ghur a Holy Site
  • 1,000 gold
  • +5% holding Taxes
  • +0.5 Control
  • +1 Stewardship per Level of Fame
  • +0.10 Piety per Knight
  • +5% Renown
  • +5 Clan Ruler of Same Faith Opinion

Notre-Dame

Isle de France

  • Owner is Christian
  • Owner's culture has Windmills
  • 1,000 gold
  • +2 Tax income
  • +20% holding Taxes
  • +30% Development Growth
  • +0.30 Development Growth
  • +5 Popular Opinion
  • +1 Stewardship per Level of Devotion
  • +1 Piety
  • +5% Renown

The Prophetic Mosque

Medina

Owner considers Medina a Holy Site

  • +100% Supply Limit
  • +20% holding Taxes
  • +75% Development Growth
  • +0.30 Development Growth
  • +0.5 Piety
  • +5% Renown
  • +20% Knight Effectiveness
  • -15% Holy Order hire cost
  • +5 Popular Opinion

Sanctuary of Imam Reza

Tus

Owner is Muslim

  • +2 Tax income
  • +15% holding Taxes
  • +55% Development Growth
  • +1 Learning per Level of Devotion
  • +0.2 Piety
  • +5% Renown
  • +5 Advantage against other Muslims
  • +10 Opinion of Imamists

Shwedagon Pagoda

Dagon

Owner follows any Eastern Faith

  • +2 Tax income
  • +20% holding Taxes
  • +20% Development Growth
  • +0.30 Development Growth
  • +0.5 Piety
  • +5% Renown
  • -10% Tyranny gain
  • +5 Clergy Opinion

Temple City (Khajuraho)

Chanderi

  • Owner follows any Eastern Faith
  • 1,000 gold
  • +1.5 Tax income
  • +20% holding Taxes
  • +20% Development Growth
  • +0.30 Development Growth
  • +5% Piety per Powerful Vassal on Council
  • +10 Different Faith Opinion
  • -20% Faith Conversion cost

Temple of Uppsala/Uppsala Cathedral

Uppland

  • Owner is Asatru or Christian
  • Owner's culture has Manorialism (for cathedral)
  • 1,000 gold (for cathedral)
  • +1/2 Tax income
  • +10/15 Levy size
  • +10/15% holding Taxes
  • +20/25% Development Growth
  • +0.2 Piety
  • +5% Renown
  • -10% Men-at-Arms maintenance
  • +15/20 Knight Effectiveness
  • +2% Prestige per Knight (Cathedral only)

Al-Azhar University

Cairo

1,000 gold

  • Reduced cost for Board Games and Recitals
  • +20% Development Growth
  • +0.30 Development Growth
  • +1 Diplomacy per Level of Fame
  • +1 Learning per Level of Fame
  • +0.25 Renown
  • +10% Lifestyle XP
  • +5% Cultural Fascination progress

Alcazar of Segovia

Cuellar

  • Owner's culture has Hoardings
  • 1,000 gold
  • +20% Stationed Men-at-Arms Damage and Toughness
  • +4 Fort Level
  • +6 Defender Advantage
  • -20 Danger
  • +10% Stationed Siege Weapon Effectiveness
  • +500 Garrison
  • +5% holding Taxes
  • +0.5 Control
  • +1 Martial per Level of Fame
  • +5% Renown

Aljaferia

Zaragoza

  • Owner's culture has Hoardings
  • 1,000 gold
  • +20% Stationed Men-at-Arms Damage and Toughness
  • +4 Fort Level
  • +6 Defender Advantage
  • -20 Danger
  • +10% Stationed Siege Weapon Effectiveness
  • +500 Garrison
  • +55 holding Taxes
  • +0.5 Control
  • +1 Diplomacy per Level of Fame
  • +5% Renown

Ark of Bukhara

Bukhara

None

  • +10% Stationed Men-at-Arms Damage and Toughness
  • +4 Fort Level
  • +6 Defender Advantage
  • -20 Danger
  • +500 Garrison
  • +25% Hostile Raid time
  • +10% Development Growth
  • +0.10 Development Growth
  • -25% Attrition in Drylands
  • 5% Renown

Citadel of Aleppo/ Reconstructed Citadel of Aleppo

Aleppo

  • Owner's culture has Hoardings
  • 2,000 gold
  • -50% cost for Feast in holding
  • +10/20% Stationed Men-at-Arms Damage and Toughness
  • +2/6 Fort Level
  • +2/6 Defender Advantage
  • -10/20 Danger
  • +5/10 Stationed Siege Weapon Effectiveness
  • +250/750 Garrison
  • +15% Development Growth (Reconstructed)
  • +0.30 Development Growth (Reconstructed)
  • +0.1/0.3 Prestige
  • +2 Prowess per Level of Devotion (Reconstructed)

City Walls of Toledo

Toledo

None

  • +2 Fort Level
  • +25% Garrison size
  • -20 Danger
  • +50% Hostile Raid time
  • +10% holding Taxes
  • +5 Defender Advantage
  • +10% Development Growth
  • +0.30 Development Growth

None

The Colosseum

Roma

None

-10% Building Construction Time

-5% Army Maintenance

Danevirke

Slesvig (two baronies)

None

  • +5% Stationed Men-at-Arms Toughness
  • +5 Defender Advantage

None

Doge's Palace

Venezia

Owner is a Republic

  • -50% cost of Feast
  • +5 Tax income
  • +3 Fort Level
  • +100% Levy size
  • +100% Garrison size
  • +10 Defender Advantage
  • -10 Danger
  • +50% Hostile Raid time
  • +30% Development Growth
  • +0.50 Development Growth

None

Dome of Soltanieh

Zanjan

  • Owner's culture has Urbanization
  • 1,000 gold
  • +10% Development Growth
  • +3% Piety per Knight
  • +5% Renown
  • +10% Cultural Fascination progress
  • +5 Clan Ruler of Same Faith Opinion

Falak-ol-Aflak

Saimara

None

  • +20% Stationed Men-at-Arms Damage and Toughness
  • +4 Fort Level
  • +6 Defender Advantage
  • +10% Stationed Siege Weapon Effectiveness
  • +500 Garrison
  • +5% holding Taxes
  • +0.5 Control
  • +10 Popular Opinion

-50% Attrition in Desert Mountains

Farum Brigantium

Coruna

None

+1 Tax income

  • -25% Embarkation cost
  • +25% Naval Speed

Golden Gate of Kyiv

Kyiv

  • Kyiv isn't Tribal
  • Owner's culture has Battlements
  • 1,000 gold
  • +2 Fort Level
  • +2 Defender Advantage
  • -20 Danger
  • +250 Garrison
  • +10% holding Taxes
  • +10% Development Growth
  • +0.20 Development Growth
  • +10% Piety
  • +10% Prestige

Great Wall of Gorgan

Gurgan (two baronies)

None

  • +1 Fort Level
  • +25% Hostile Raid Time
  • +25% Garrison size
  • -10% Building Construction cost

None

Hadrian's Wall

Cumberland, Northumberland (two baronies each)

None

-10% Building Construction cost

None

Heddal Stave Church

Vestfold

  • Owner's culture has City Planning
  • 1,000 gold
  • +1 Tax income
  • +10% Levy size
  • +10% holding Taxes
  • +10 Popular Opinion
  • +10% Piety
  • +5% Renown
  • +1 Knight
  • +20% Knight Effectiveness

Hotin Fort/ Hotin Fortress

Hotin

400/800 gold

  • +10/20 Stationed Men-at-Arms Damage and Toughness
  • +2/4 Fort Level
  • +4/6 Defender Advantage
  • -10/20 Danger
  • +5/10 Stationed Siege Weapon Effectiveness
  • +250/500 Garrison
  • +5% holding Taxes (Fortress)
  • +0.5 Control (Fortress)
  • +5% Renown
  • +1 Martial per Level of Fame (Fortress)

House of Wisdom

Baghdad

None

  • +20% holding Taxes
  • +20% Development Growth
  • +0.30 Development Growth
  • +1 Learning per Level of Fame
  • +5% Renown
  • +15% Lifestyle XP
  • +10 Different Culture Opinion
  • +10% Cultural Fascination progress
  • -20% Faith creation and reformation cost

Iron Pillar of Delhi

Delhi

None

  • +10% Development Growth
  • +0.20 Development Growth
  • +5% Prestige
  • +5% Renown
  • -5% Army maintenance
  • +10% Heavy Infantry and Heavy Cavalry Toughness

Lake Maharloo

Shiraz

None

  • +60% Development Growth
  • +0.10 Development Growth
  • +5 Popular Opinion
  • +1 Learning
  • +10% Stress loss

Mount Damavand

Baduspan

None

  • +20% Stationed Men-at-Arms Toughness
  • +30% Development Growth
  • -30 Danger
  • +50% Levy from Mountains
  • +10% Stress loss
  • -10 Danger from Mountains

Nalanda University

Magadha

None

  • Lower cost for Board Games and Recitals
  • +20% Development Growth
  • +0.30 Development Growth
  • +1 Stewardship per Level of Fame
  • +1 Learning per Level of Fame
  • +0.25 Renown
  • +10% Lifestyle XP
  • +5% Cultural Fascination Progress

Offa's Dyke

Herefordshire, Shropshire, and Cheshire (one or two baronies each)

None

  • +5% Stationed Men-at-Arms Toughness
  • +5 Defender Advantage

None

Palace of Aachen

Aachen

None

  • -50% cost for Feasts
  • +0.30 Development Growth
  • +0.10 Prestige per Powerful Vassal on Council
  • +5% Renown
  • -20% Tyranny gain
  • +5 Clergy Opinion
  • +5 Powerful Vassal Opinion

Petra

Negev

None

  • 0.8 Tax income
  • +25% Supply Limit
  • +10% holding Taxes
  • +15% Development Growth
  • +0.20 Development Growth

None

The Pyramids

Giza

None

+0.20 Development Growth

  • +5% Renown
  • -20% Short Reign Duration

Rainbow Mountains

Tabriz

None

  • More Hunt sightings and higher success rates
  • +10% holding Taxes
  • +20% Development Growth

+1 Diplomacy

Rock of Gibraltar

Algeciras

None

  • +1 Fort Level
  • +2 Defender Advantage
  • +10% Development Growth
  • +1 Stewardship
  • +20% Diplomatic Range

Roman Walls of Lugo

Astorga

None

  • +1 Tax income
  • +1 Fort Level
  • +10% Garrison size
  • -10 Danger
  • +1 Learning
  • +5% Renown

Ruins of the Palace of Ctesiphon/ Great Palace of Ctesiphon

Baghdad (An-Nahrawan barony)

  • Owner is Zoroastrian, Manichean, Nestorian, or Hellenic
  • Owner is king or better
  • Owner is independent
  • 2,000 gold
  • -10 Building Construction Time (Ruins)
  • +2 Tax income (Palace)
  • -20% Building Construction Cost (Palace)
  • +5 Zoroastrian Opinion (Ruins)
  • +1 Learning (Ruins)
  • +1 Diplomacy per Level of Devotion (Palace)
  • +0.20 Prestige per Powerful Vassal on Council (Palace)
  • +5% Renown (Palace)
  • -25% Title Creation Cost (Palace)
  • +5 Persian Opinion (Palace)
  • +5 Zoroastrian Opinion (Palace)

Shah-i-Zinda/ Shah-i-Zinda Necropolis

Samarkand

  • 400/400 gold
  • +0.5 Control
  • +10% Development Growth (Necropolis)
  • +0.20 Development Growth (Necropolis)
  • +1 Learning per Stress Level
  • +0.1 Piety (Shah)
  • +0.1 Piety per Powerful Vassal on Council (Necropolis)
  • +5 Clan Ruler of Same Faith Opinion (Necropolis)

Stonehenge

Wiltshire

None

None

  • +2 Learning
  • -20% Faith Conversion cost
  • +15% Learning Lifestyle XP

The Tower of London

Middlesex

  • Owner's culture has Battlements
  • 1,000 gold
  • +20% Stationed Men-at-Arms Damage and Toughness
  • +6 Fort Level
  • +6 Defender Advantage
  • -20%
  • +10% Stationed Siege Weapon Effectiveness
  • +750 Garrison
  • +5% holding Taxes
  • +10% Development Growth
  • +0.20 Development Growth

+30% Dread gain

Tomb of Batsheba

Istakhr

None

  • +1 Tax income
  • +0.5 Control
  • Small Disease Resistance boost
  • +5% Renown
  • +10 Close Family Opinion

The University of Sankore

Tirakka

1,000 gold

  • Lower cost for Board Games and Recitals
  • +20% Development Growth
  • +0.30 Development Growth
  • +1 Martial per Level of Fame
  • +1 Learning per Level of Fame
  • +0.25 Renown
  • +10% Lifestyle XP
  • +5% Cultural Fascination Progress

The University of Siena

Siena

1,000 gold

  • Lower cost for Board Games and Recitals
  • +20% Development Growth
  • +0.30 Development Growth
  • +1 Intrigue per Level of Fame
  • +1 Learning per Level of Fame
  • +0.25 Renown
  • +10% Lifestyle XP
  • +5% Cultural Fascination Progress

Visby Ringmur

Gutland

  • Gutland isn't Tribal
  • Owner's culture has Battlements
  • 1,000 gold
  • +1 Fort Level
  • +25% Garrison size
  • +50% Hostile Raid time
  • +15% holding Taxes
  • +5 Defender Advantage
  • +15% Development Growth
  • +0.30 Development Growth
  • +5 Popular Opinion
  • -20 Danger

None

Walls of Benin

Benin

  • Benin isn't Tribal
  • Owner's culture has Battlements
  • 1,000 gold
  • +2 Fort Level
  • +50% Garrison size
  • -20 Danger
  • +50% Hostile Raid time
  • +50% Levy size
  • +20% holding Taxes
  • +5 Defender Advantage
  • +75% Development Growth
  • +0.30 Development Growth

None

Walls of Genoa

Genoa

None

  • +3 Tax income
  • +2 Fort Level
  • +25% Garrison size
  • -20 Danger
  • +50% Hostile Raid Time
  • +5 Defender Advantage
  • +10% Development Growth
  • +0.30 Development Growth

None

All Special Buildings in Crusader Kings 3 (& How to Build Them) (2024)
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