Studiował architekturę w Stuttgarcie, a następnie w biurze architektonicznym Jamesa Stirlinga w Londynie, a następnie wykładał w Architectural Association i w Royal College of Art. W latach 1987–90 Krier był głównym dyrektorem w Skidmore, Owings & Merrill Architectural Institute w Chicago.
Wybrane nagrody
Berliner Architekturpreis, 1977.
Jefferson Memorial Gold Medal, 1985.
Chicago American Institute of Architects Award, 1987.
Europäesche Kulturpräis, 1995.
Medal od Académie Française za książkę Choice or Fate, 1997.
D. Porphyrios, L. Krier: Houses, Palaces, Cities. Academy Editions; 1995
L. Krier, A. Papadakis, H. Watson: New Classicism: Omnibus Volume. Rizzoli; 1990
J. Rigau, L. Krier: Puerto Rico 1900 - Turn-Of-The-Century Architecture in the Hispanic Caribbean 1890-1930. Rizzoli; 1992
L. Krier: Architecture - Choice or Fate. Andreas Papadakis Pub; 1998
L. Krier, J. Stirling, J. Jacobus: James Stirling - Bauten und Projekte 1950-1974. Hatje Verlag
L. Krier: "Completion of Washington D.C. - Bicentennial masterplan for the year 2000 | Achevement de Washington D.C. - plan directeur général pour le Bicentenaire", in: Archives d'architecture moderne, 1986,30, p. 7 - 43
L. Krier: "Logique constructive et culture populaire", in: L'architecture d'aujourd'hui, 1977,190, p. 94 - 96
L. Krier: " Traditional ideas for today's towns", in: City magazine, 2/1988, p. 20 - 23
L. Krier: " Un'idea di città", in: Eupalino, 1985,6, p. 8 - 13
L. Krier: " The reconstruction of vernacular building and classical architecture", in: The Architects' Journal, 37/1984, p. 55 - 84
L. Krier, E. G. Saarinen, O. Wagner: "Cities within the city", in: A+U, 11/1977,84, p. 69 - 152
P. Eisenman, L. Krier: "Peter Eisenman versus Leon Krier: 'My ideology is better than yours.'", in: Architectural Design, 9-10/1989, p. 6 - 18
L. Krier: " Krier on Speer", in: The Architectural Review, 1983,1032, p. 33 - 38
L. Krier: "The reconstruction of the European city: an outline for a charter", in: Architectural Design, 11-12/1984, p. 16 - 22
P. Rotthier, D. Cruickshank, L. Krier; "Prix Europeen de la Reconstruction de la Ville | European Award for the Reconstruction of the city", in: Archives d'architecture moderne, 1987,35-36, p. 5 - 49
L. Krier: "Dieu sauve le prince! | God save the prince!", in: Archives d'architecture moderne, 1988,38, p. 12 - 21