Iolani Palace — in Downtown Honolulu, Honolulu [FACT-0370]; designed by Thomas J. Baker (with Charles J. Wall and Isaac Moore) [FACT-0371]; built in 1882 [FACT-0372]; in the American Florentine style [FACT-0373].
Location: Downtown Honolulu, Honolulu, Hawaii, United States
Verified facts
- Located in Downtown Honolulu, Honolulu, Hawaii
confidence 70/100 · 2 independent sources · SRC-0339, SRC-0340 - Designed by Thomas J. Baker (with Charles J. Wall and Isaac Moore)
confidence 70/100 · 2 independent sources · SRC-0341, SRC-0339 - Built in 1882
confidence 70/100 · 2 independent sources · SRC-0341, SRC-0342 - Architectural style: American Florentine
confidence 70/100 · 2 independent sources · SRC-0341, SRC-0339 - Historic designation: National Historic Landmark (designated 1962-12-29); National Register of Historic Places (listed 1966-10-15)
confidence 85/100 · 3 independent sources · SRC-0339, SRC-0340, SRC-0479
Evidence & sources
- SRC-0339 — National Park Service – Iolani Palace, Honolulu, Hawai'i (Tier 1, official_archive; retrieved June 2026)
- SRC-0340 — 'Iolani Palace official site – History (Tier 1, owner_statement; retrieved June 2026)
- SRC-0341 — National Register of Historic Places Inventory-Nomination Form (NPS) (Tier 1, public_record; retrieved June 2026)
- SRC-0342 — NPS – Iolani Palace: A Hawaiian Place of History, Power, and Prestige (Tier 1, official_archive; retrieved June 2026)
- SRC-0479 — State of Hawaii, Department of Land and Natural Resources, Division of State Parks – 'Iolani Palace State Monument (Tier 1, official_archive; retrieved June 2026)
How we verify
Every fact above is independently corroborated by at least two reputable sources and
confidence-scored before publication. Claims that cannot clear that bar are withheld. We publish
location only at neighborhood/city granularity — exact street addresses and personal information
are structurally barred from publication. Last reviewed June 2026.