St. Louis Union Station Hotel (formerly branded as Marriott, now Curio Collection by Hilton)
St. Louis, United States
Built 1985 · Last completed renovation 2019
St. Louis Union Station Hotel (formerly branded as Marriott, now Curio Collection by Hilton) in St. Louis was last renovated in 2019, and originally built in 1985 (sourced renovations: 1985, 2016, 2019). Its HotelChrono freshness score is 7.6/10 — every date linked to a cited source.
Data check
- · Sources disagree on the opening year — under review
Renovation forecast · estimate
Next renovation expected around 2036
In about 10 years (≈17-year cycle). A model estimate, not a sourced fact.
Location
Satellite view · St. Louis, United States
Timeline
1894
Union Station train depot opens
1985
Converted from train station to hotel
2016
$40 million renovation, rebranded as Curio Collection by Hilton
2019
$250 million restoration and conversion to DoubleTree by Hilton
2021
Rebranded to Curio Collection by Hilton
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 2019 renovation
“Lodging Hospitality Management acquired the property and invested $250 million in a 2017 to 2019 renovation that restored the Grand Hall to 1894 condition, added the St. Louis Aquarium in the former train shed, built the St. Louis Wheel, and converted the historic Train Shed into a 539-room hotel under the DoubleTree by Hilton flag.”— source · retrieved 2026-09-30
Scope is quoted verbatim from the cited source — we never guess what a renovation covered.
Facts
Stars
4★
Built
Sourced1985
Last completed renovation
Sourced2019
Renovation history (sourced)
Sources record multiple renovations (1985–2019). 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.
“Hilton promoted the property to Curio Collection in 2021.”
“Lodging Hospitality Management acquired the property and invested $250 million in a 2017 to 2019 renovation that restored the Grand Hall to 1894 condition, added the St. Louis Aquarium in the former train shed, built the St. Louis Wheel, and converted the historic Train Shed into a 539-room hotel under the DoubleTree by Hilton flag.”
“Following a $40 million transformation, St. Louis Union Station Hotel, Curio Collection by Hilton offers business and leisure guests 539 luxurious rooms and suites”
“Built in 1894 and converted to a hotel in 1985, the National Historic Landmark in downtown St. Louis is well-known for its iconic jewel”
“On September 1, 1894, the iconic Union Station opened its doors for the first time after months of arduous construction.”
“In 1985, a massive redevelopment project transformed Union Station into a mixed-use facility. The train shed became a shopping mall, while the headhouse was converted into a luxury hotel.”
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Frequently asked
When was St. Louis Union Station Hotel (formerly branded as Marriott, now Curio Collection by Hilton) built?+
St. Louis Union Station Hotel (formerly branded as Marriott, now Curio Collection by Hilton) (St. Louis, United States) was built in 1985.
How old is St. Louis Union Station Hotel (formerly branded as Marriott, now Curio Collection by Hilton)?+
St. Louis Union Station Hotel (formerly branded as Marriott, now Curio Collection by Hilton) is 41 years old — it was built in 1985 and last renovated in 2019. Age measures the building; the Chrono Score measures how fresh it feels today.
When was St. Louis Union Station Hotel (formerly branded as Marriott, now Curio Collection by Hilton) last renovated?+
Its most recent completed renovation was in 2019.
What is the Chrono Score of St. Louis Union Station Hotel (formerly branded as Marriott, now Curio Collection by Hilton)?+
Its Chrono Score is 7.6/10 (Ageing) — a pure freshness metric, separate from its 4-star rating.