You can’t duplicate this home—plus seller financing! Imagine arriving home to a rare estate where 43,000 protected Hill Country acres stretch endlessly before you, yet you’re minutes from city life. Tucked in gated, amenity-rich Belvedere, this masterpiece delivers serenity without sacrifice—15 min to the Galleria, 35 to DT Austin, 40 to the airport. Recreating it today would cost well over $5M—without the vision, artistry, or years invested in every detail. This is your moment to claim an Architectural Digest-worthy compound of scale, soul, and brilliance. Designed and built by the owner-architect with zero compromise, it sits on 2 manicured, fully fenced acres backing to forever views. A French Tudor work of art, it fuses maximalist interiors with world-class craftsmanship: double island kitchen w/ 3-inch mitered Quartz, European frameless cabinetry, a new Thermador & Bosch suite (48” range, 3 ovens, 2 refrigerators, wine fridge, 2 dishwashers, espresso machine), solid brass hardware, solid-core doors, free-form staircase w/ brass spindles, South African chandeliers. Spaces are made for living boldly—6-car garages, pool lounge/gym or 2nd office, library, game room, craft room, massive home theater, prep pantry, oversized utility, extra W/D in primary linen, future elevator access. Outdoors, it’s your private resort: 12-person spa, oversized pool w/ water arcs, LED & fire features, sport court, turf field, covered dining & lounges. Belvedere offers miles of trails, a private amenity center, fishing pond, and nearby Hamilton Pool. Buyers are circling—when it’s gone, it’s gone.
Active
Price cut: $150K (6/24)
$4,850,000
18433 Flagler Dr, Austin, TX 78738
5beds
7,226sqft
Est.:
Single Family Residence
Built in 2022
2.07 Acres Lot
$4,427,000 Zestimate®
$671/sqft
$187/mo HOA
What's special
Sport courtMaximalist interiorsFree-form staircaseOversized poolCovered dining and loungesPrivate resortOversized utility
- 90 days
- on Zillow |
- 688 |
- 48 |
Zillow last checked: 7 hours ago
Listing updated: August 14, 2025 at 08:01am
Listed by:
Shailene Smith 5122002852,
Kuper Sotheby's Int'l Realty (512) 261-0008
Source: Unlock MLS,MLS#: 6500468

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Tour with a buyer's agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 8
- Full bathrooms: 5
- 1/2 bathrooms: 3
- Main level bedrooms: 2
Primary bedroom
- Features: Chandelier
- Level: Main
Primary bathroom
- Features: Chandelier, Quartz Counters, Soaking Tub
- Level: Main
Kitchen
- Features: Quartz Counters, Eat-in Kitchen
- Level: Main
Heating
- Central
Cooling
- Central Air
Appliances
- Included: See Remarks
Features
- Bar, High Ceilings, Chandelier, Quartz Counters, Eat-in Kitchen, High Speed Internet, Kitchen Island, Pantry, Primary Bedroom on Main, Soaking Tub, Sound System, Storage, Walk-In Closet(s)
- Flooring: Tile, Wood
- Windows: Double Pane Windows, Insulated Windows, Tinted Windows, Wood Frames
- Number of fireplaces: 3
- Fireplace features: Family Room, Gas, Gas Starter, Living Room, Outside, Wood Burning
Interior area
- Total interior livable area: 7,226 sqft
Property
Parking
- Total spaces: 6
- Parking features: Detached, Paved, Private, Unpaved
- Garage spaces: 6
Accessibility
- Accessibility features: None
Features
- Levels: Two
- Stories: 2
- Patio & porch: Covered, Terrace
- Exterior features: Balcony, Basketball Court, Gutters Full, Private Yard, Sport Court, Tennis Court(s)
- Has private pool: Yes
- Pool features: Gunite, Heated, In Ground, Pool/Spa Combo
- Fencing: Back Yard
- Has view: Yes
- View description: Hill Country, Panoramic, Park/Greenbelt, Trees/Woods
- Waterfront features: None
Lot
- Size: 2.07 Acres
- Features: Back to Park/Greenbelt, Cul-De-Sac, Landscaped, Private, Sprinkler - In-ground, Trees-Heavy, Trees-Large (Over 40 Ft), Views
Details
- Additional structures: Garage(s)
- Parcel number: 01179701160000
- Special conditions: Standard
- Horses can be raised: Yes
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- Foundation: Slab
- Roof: Concrete
Condition
- Resale
- New construction: No
- Year built: 2022
Details
- Builder name: Onyx Development Partners
Utilities & green energy
- Sewer: Septic Tank
- Water: Municipal Utility District (MUD)
- Utilities for property: Electricity Connected, Internet-Cable, Propane, Sewer Connected, Water Connected
Community & HOA
Community
- Features: BBQ Pit/Grill, Clubhouse, Cluster Mailbox, Common Grounds, Controlled Access, Fishing, Gated, High Speed Internet, Planned Social Activities, Playground, Property Manager On-Site, Tennis Court(s), Underground Utilities
- Subdivision: Belvedere Ph 02
HOA
- Has HOA: Yes
- Services included: Common Area Maintenance
- HOA fee: $1,120 semi-annually
- HOA name: First Service Residential
Location
- Region: Austin
Financial & listing details
- Price per square foot: $671/sqft
- Tax assessed value: $3,049,762
- Annual tax amount: $56,639
- Date on market: 5/23/2025
- Listing terms: See Remarks,Cash,Conventional,Lender Approval,Owner May Carry,VA Loan
- Electric utility on property: Yes
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