Hyatt Regency St. Louis at the Arch
St. Louis, United States
Built 1986 · Last completed renovation 2017
Hyatt Regency St. Louis at the Arch in St. Louis was last renovated in 2017, and originally built in 1986 (sourced renovations: 2009, 2016, 2017). Its HotelChrono freshness score is 6.9/10 — every date linked to a cited source.
Renovation forecast · estimate
Likely due for renovation now
Past its typical ~4-year renovation cycle. A model estimate, not a sourced fact.
Photo via Wikimedia Commons
Location
Satellite view · St. Louis, United States
Timeline
2009
$63 million top-to-bottom renovation completed
2016
Lobby renovation completed
2017
Guestroom and lobby renovation completed
2020
Meeting space renovation announced
How this score is computed
Every figure here traces back to the sourced renovation year above — no hidden weighting, no black box. Recompute it yourself. See the full methodology →
What changed in the 2017 renovation
“Louis, Mo. (August 2, 2017) – Hyatt Regency St. Louis at The Arch, a premier business and leisure hotel located in the heart of downtown St. Louis on the iconic Gateway Arch grounds, announces the completion of its new guestrooms in conjunction with the renovation of the Gateway Arch grounds.”— source · retrieved 2026-10-22
Scope is quoted verbatim from the cited source — we never guess what a renovation covered.
Facts
Stars
4★
Built
Sourced1986
Last completed renovation
Sourced2017
Renovation history (sourced)
Sources record multiple renovations (2009–2017). The Chrono Score uses the most recent completed one.
Ownership & operator
Who runs and owns this hotel, at the company level — from public sources. The decision layer behind every renovation.
Ownership data depth
1/3 · 33%
- ✓ Operating brand
- ○ Management / operator
- ○ Ownership
FF&E supplier or contractor? The Renovation Radar package adds the ownership group, operator and a sourced public business contact for hotels approaching their renovation cycle.
See the Renovation Radar →Sources
Our iron rule: no quote, no data. Every date links back to the exact sentence it came from.
“Hyatt Regency St. Louis at the Arch, a premier business and leisure hotel located in the heart of downtown St. Louis next to the iconic Gateway Arch grounds, announces a renovation to its meeting space slated to be completed in early 2020.”
“Louis, Mo. (August 2, 2017) – Hyatt Regency St. Louis at The Arch, a premier business and leisure hotel located in the heart of downtown St. Louis on the iconic Gateway Arch grounds, announces the completion of its new guestrooms in conjunction with the renovation of the Gateway Arch grounds.”
“The updates follow the hotel's 2016 renovations of its lobby.”
“ST. LOUIS - July 1, 2009 - The 910-room Hyatt Regency St. Louis Riverfront at the Gateway Arch, which is owned by The Chartres Lodging Group LLC, announces its grand opening today after completing a $63 million renovation that included a top-to-bottom transformation.”
“The downtown landmark, which opened in 1986 as the Adam's Mark, was renamed in 2008.”
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Frequently asked
When was Hyatt Regency St. Louis at the Arch built?+
Hyatt Regency St. Louis at the Arch (St. Louis, United States) was built in 1986.
How old is Hyatt Regency St. Louis at the Arch?+
Hyatt Regency St. Louis at the Arch is 40 years old — it was built in 1986 and last renovated in 2017. Age measures the building; the Chrono Score measures how fresh it feels today.
When was Hyatt Regency St. Louis at the Arch last renovated?+
Its most recent completed renovation was in 2017.
What is the Chrono Score of Hyatt Regency St. Louis at the Arch?+
Its Chrono Score is 6.9/10 (Ageing) — a pure freshness metric, separate from its 4-star rating.