Frontenac, MO 63131 522 Tregaron Place

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Presented By: Dielmann Sotheby’s International Realty
  • MLS# 26052654
  • 09/15/2026
  • Request Tour
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  • Beds • 4
  • Full/Half Baths • 4 / 1
  • SQFT • 6,165
  • Garage • 3

Home Details

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.
Presented By: Dielmann Sotheby’s International Realty

Interior Features for 522 Tregaron Place

Bedrooms

Main Level Bedrooms4
Total Bedrooms4

Bathrooms

Half Baths1
Total Baths5

Other Interior Features

LivingAreaSourceAppraiser
Above Grade Finished Area4690
Above Grade Finished Area SourceAppraiser
BasementBathroom, Concrete, Egress Window, Storage Space, Sump Pump, Walk-Out Access
Basement (Y/N)Yes
Below Grade Finished Area1475
Below Grade Finished Area SourceAppraiser
Fireplace FeaturesBasement, Den, Living Room, Outside, Master Bedroom
Fireplace Y/NYes
FlooringHardwood
Interior AmenitiesBeamed 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
Laundry FeaturesLaundry Room, Main Level
Total Fireplaces5

General for 522 Tregaron Place

AppliancesStainless Steel Appliance(s), Gas Cooktop, Dishwasher, Disposal, Freezer, Microwave, Double Oven, Refrigerator, Wall Oven, Warming Drawer, Gas Water Heater, Wine Refrigerator, Bar Fridge
Architectural StyleContemporary, Modern, Ranch
Attached Garage Yes
Carport Y/NNo
CityFrontenac
Construction MaterialsBrick, Spray Foam Insulation, Stone Veneer
CoolingCentral Air, Zoned
CountySt. Louis
DisclosuresFlood Plain No, Seller Property Disclosure
ElectricAmeren
Elementary SchoolConway Elem.
Full Baths4
Garage Spaces3
Garage Y/NYes
HOAYes
HeatingElectronic Air Filter, Forced Air, Natural Gas, Zoned
High SchoolLadue Horton Watkins High
High School DistrictLadue
Home Warranty Y/NNo
LevelsOne
Lot Size Square Feet44039.16
MLS Area151 – Ladue
Middle/Junior High SchoolLadue Middle
New ConstructionNo
Other StructuresPool House
Ownership TypePrivate
Patio/Porch FeaturesAwning(s), Covered, Front Porch, Patio, Side Porch
Pool FeaturesGunite, Heated, In Ground, Pool Sweep, Private, Waterfall
PossessionClose Of Escrow
Property ConditionUpdated/Remodeled
Property SubtypeSingle Family Residence
Property TypeResidential
RoofArchitectural Shingle
Security FeaturesCarbon Monoxide Detector(s), Security Gate, Security Lights, Security System, Security System Owned, Smoke Detector(s)
SewerPublic Sewer
Standard StatusActive
StatusActive
Structure TypeHouse
Subdivision NameTregaron
Tax Annual Amount13514
Tax Year2025
Total Rooms11
TownshipFrontenac
UtilitiesCable Connected, Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected
Year Built1966

Exterior for 522 Tregaron Place

Door FeaturesFrench Door(s), Panel Door(s)
Lot Dimensions165 x 267
Lot FeaturesBack Yard, Front Yard, Landscaped, Level, Rectangular Lot, Sprinklers In Front, Sprinklers In Rear
Lot Size Acres1.011
Lot Size SourcePublic Records
Parking FeaturesAdditional Parking, Circular Driveway, Driveway, Electric Vehicle Charging Station(s), Garage Door Opener, Garage Faces Side, Heated Garage, Lighted, Oversized, Storage, Workshop in Garage
Water SourcePublic

Additional Details

Price History

Schools

Middle School Ladue Middle
Elementary School Conway Elem.
High School Ladue Horton Watkins High

Craig Ziegel

Realtor
Price $3,400,000
MLS#26052654
List Date 09/15/2026
Property Type Single Family
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