- Overview
- Description
- Property Details
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- HOA Management
- Facts & Features
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$3,400,000
Monthly Est:$16,923
4 Beds
- 5 Baths
4 full baths + 1 half bath
6,165sqft
522 Tregaron Pl, Saint Louis, MO 63131
$3,400,000
$16,923/moEst:
Get Pre-Approved
Single Family Residence
Built in 1966
$-- HOA
1.01 acres lot
$552/sq.ft
Description
The result of a masterfully executed, comprehensive transformation, this property functions as a virtually new, private modern estate in the heart of Frontenac within the Ladue School District. With architectural and design contributions from Space Architects, Palermo Group, and Pooltron, alongside custom execution by Artizan Builders, the property reflects an exceptional standard of craftsmanship, sophisticated entertaining, and seamless indoor-outdoor living.
Positioned at a premium elevation within the neighborhood yet engineered for effortless single-level living, the estate offers 6,499 square feet of finished main-level interiors between the 4,690-square-foot primary residence and the 1,809-square-foot pool house. More than 5,500 square feet of finished outdoor living space—including the expansive open-air terraces and the custom gunite pool—extend directly beyond, establishing an extraordinary 12,000-square-foot continuous entertaining environment across a single main-level footprint—with the scale, privacy, and amenities of a private resort.
Defined by an uncompromising level of investment, virtually every surface, system, and architectural detail has been executed to an extraordinary standard. An extensive collection of custom appointments, curated materials, and highly considered design elements underscores the remarkable depth of this investment. Far beyond a conventional renovation, this is a comprehensive reinvention of the property—an exceptionally rare, move-in-ready modern compound offering a caliber of design, construction, and resort-level living seldom available in Frontenac’s premier corridor.
- Houzeo last checked: 12 hours ago
- Listing updated: September 25, 2026 at 2:53 am
- Listing Provided by: Alyssa Suntrup (314) 359-3568 | Dielmann Sotheby's International Realty (314) 725-0009
- Source: MARIS MLS-MO | MLS#: MIS26052654

Property Details
Status
Pending
Type
Single Family Residence
No. of Stories
-
County
City
Neighborhood
--
Year Built
1966
HOA Fees
-
Finished Area
6,165 sqft
Lot Size
1.01 acres lot
Basement Area
- sqft
MLS Name
MARIS MLS
MLS Number
MIS26052654
MLS Status
Pending
Days on Market
23
Cumulative Days on Market
2

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Location
HOA Management
Tregaron Place
HOA Fees
$-/
Disclaimer: Amenities are based on third-party information and may vary; buyers must independently verify all amenities, as information is deemed reliable but not guaranteed.
Facts & Features
Rooms
Bedrooms & bathrooms
Bedrooms: 4
Bathrooms: 5
Interior
Appliances
Stainless Steel Appliance(s), Gas Cooktop, Dishwasher, Disposal, Freezer, Microwave, Double Oven, Refrigerator, Wall Oven, Warming Drawer, Gas Water Heater, Wine Refrigerator, Bar Fridge
Flooring
Hardwood
Interior Features
Beamed Ceilings, Bookcases, Built In Features, Chandelier, Custom Cabinetry, Double Vanity, Entrance Foyer, High Speed Internet, Kitchen Island, Open Floorplan, Recessed Lighting, Sauna, Separate Dining, Separate Shower, Smart Home, Solid Surface Countertop(s), Special Millwork, Walk In Closet(s), Wet Bar, Wired For Sound
Sewer
Public Sewer
Heating
Electronic Air Filter, Forced Air, Natural Gas, Zoned
Cooling
Central Air, Zoned
Construction
Year Built
Year Built: 1966
Home type
Single Family Residence
Construction Materials
Brick, Spray Foam Insulation, Stone Veneer
Property Condition
Updated/remodeled
Architectural Style
Contemporary, Modern, Ranch
Roof
Architectural Shingle
Utilities & Energy
Laundry Features
Laundry Room, Main Level
Pool Features
Gunite, Heated, In Ground, Pool Sweep, Private, Waterfall
Security Features
Carbon Monoxide Detector(s), Security Gate, Security Lights, Security System, Security System Owned, Smoke Detector(s)
Utilities
Cable Connected, Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected
Water Source
Public
Fireplace Features
Basement, Den, Living Room, Outside, Master Bedroom
Parking Features
Additional Parking, Circular Driveway, Driveway, Electric Vehicle Charging Station(s), Garage Door Opener, Garage Faces Side, Heated Garage, Lighted, Oversized, Storage, Workshop In Garage
Basement
Bathroom, Concrete, Egress Window, Storage Space, Sump Pump, Walk Out Access
Electric
Ameren
Other Features
Disclosures
Flood Plain No, Seller Property Disclosure
Subdivision Name
Tregaron
Lot Features
Back Yard, Front Yard, Landscaped, Level, Rectangular Lot, Sprinklers In Front, Sprinklers In Rear
Patio And Porch Features
Awning(s), Covered, Front Porch, Patio, Side Porch
Price History
| Date | Event | Price |
|---|---|---|
09/25/2026 Source: | Pending | $3,400,000 $552/sqft |
09/22/2026 Source: | Listed for Sale | $3,400,000 $552/sqft |
09/12/2026 Source: | Coming Soon | $3,400,000 $552/sqft |
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Based on information from Mid America Regional Information Systems, Inc. through Oct 05, 2026, 03:03PM. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is
subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Some IDX listings have been excluded from this website.
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