Sonnenberg Gardens and Mansion — built in 1887 [FACT-1341].
Location: Finger Lakes, Canandaigua, New York, United States
Verified facts
- Built in 1887
confidence 70/100 · 2 independent sources · SRC-1322, SRC-1324
Evidence & sources
- SRC-1322 — New York State Office of Parks, Recreation and Historic Preservation — Sonnenberg Gardens & Mansion State Historic Park (Tier 1, official_archive; retrieved June 2026)
- SRC-1324 — Sonnenberg Gardens — The Sonnenberg Mansion (official site) (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.