1699 in architecture

The year 1699 in architecture involved some significant architectural events and new buildings.

• English architect and dramatist John Vanbrugh is commissioned to begin Castle Howard in Yorkshire.
• Craigiehall, Scotland, designed by Sir William Bruce and James Smith, is completed for William Johnstone, 1st Marquess of Annandale
• St Werburgh's Church, Derby, England
• Thomas Lambert House, Rowley, Massachusetts completed
• Trinity Cathedral in Pskov, Russia completed

• February 10 – Francisco Hurtado Izquierdo, Spanish Baroque architect (died 1725)
• February 17 – Georg Wenzeslaus von Knobelsdorff, Prussian painter and architect (died 1753)
• date unknown
  • Matthew Brettingham, English Palladian country and town house architect (died 1769)
  • Edward Lovett Pearce, Irish Palladian architect (died 1733)

• November – Stephen Manwaring, North Carolina architect (born c.1640)