Lantarnam Hall — designed by John H. Powers [FACT-2463].
Location: Los Altos Hills, California, United States
Verified facts
- Designed by John H. Powers
confidence 70/100 · 2 independent sources · SRC-2262, SRC-2264
Evidence & sources
- SRC-2262 — National Register of Historic Places Inventory–Nomination Form: Lantarnam Hall (Tier 1, official_archive; retrieved June 2026)
- SRC-2264 — Lantarnam Hall (Morgan Estate) — Clio (Tier 2, institutional_page; 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.