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ActiveMLS #3417717

12217 Flowering Senna BND, Austin TX 78738

Austin, TX 78738 · Hillside/Spanish Oaks

Single Family Residence for sale in Hillside/Spanish Oaks

5Bedrooms
6 full / 3 halfBathrooms
11,303Square Ft
0.87Acres
4Garage
2025Year Built
Price Reduced
1 / 38
$12,000,000$13,000,000
3D tour

Overview

Property Description

Set behind the gates of Spanish Oaks overlooking the 7th hole, The Monolith is a rare architectural statement where bold design, extraordinary craftsmanship, and effortless livability converge. Situated on 0.87 acres, the estate offers approximately 9,883 square feet of living space, plus a detached 1,420 square foot casita and separate flex space, creating a true private resort experience. Striking architecture, soaring 28 foot ceilings, expansive LuxView glass systems, and disappearing walls of glass blur the line between indoors and out. At the heart of the home is the first fully custom Lamborghini kitchen installed in North America, featuring bespoke walnut cabinetry, sculptural stone surfaces, integrated luxury appliances, and exceptional craftsmanship. A fully equipped chef's kitchen is discreetly tucked behind, offering professional grade functionality for effortless entertaining. The private primary suite includes a dedicated office, fitness room, spa inspired bath with heated floors, imported Italian soaking tub, outdoor shower, custom Italian dressing rooms, and integrated laundry. Additional living spaces include a secondary main level suite, media room, built in office areas, four air conditioned garage bays, and a detached guest house ideal for extended stays. Designed for year round entertaining, the outdoor living spaces feature retractable shades, a gourmet outdoor kitchen, oversized gathering areas, fireplace, and a dramatic two level pool with a true lap pool overlooking the golf course. Modern conveniences including Savant home automation, integrated audio, built in shades, and thoughtfully concealed technology complement the home's clean architectural aesthetic. The Monolith is more than a luxury residence. It is a true one of one.

Financial Info
Price
$12,000,000
$ / Sqft
$1062
HOA
Yes - Mandatory / $1,950 / Quarterly
HOA Name
Spanish Oaks
HOA Includes
Common Area Maintenance, Heat
Tax Rate
1.79%
Est. Taxes
$53,898
Tax Year
2026
Exemptions
None
Legal Info
Address
12217 Flowering Senna BND
County
Travis
City
Austin
State
TX
Zip
78738
Subdivision
Hillside/Spanish Oaks
Legal Description
LOT 7 BLK A HILLSIDE AT SPANISH OAKS
Parcel
01136307060000
Interior Features
Floor
Tile, Wood
Num Living
5
Dining
1
Kitchen
Eat-in Kitchen, Kitchen Island, Pantry
Appliances
Built-In Freezer, Built-In Gas Oven, Built-In Gas Range, Built-In Oven(s), Built-In Range, Built-In Refrigerator, Convection Oven, Dishwasher, Disposal, Dryer, Freezer, Microwave, Range, RNGHD, Washer, Wine Refrigerator
Laundry
Laundry Room, Main Level, Multiple Locations
Master Bed
Double Vanity, Primary Bedroom on Main, Walk-In Closet(s)
Master Main
Yes
Fireplaces
1
Fireplace Description
Family Room, Gas, Stone
Interior Features
Built-in Features, Ceiling Fan(s), High Ceilings, Chandelier, Double Vanity, Eat-in Kitchen, Entrance Foyer, Interior Steps, Kitchen Island, Multiple Living Areas, Open Floorplan, Pantry, Primary Bedroom on Main, Soaking Tub, Sound System, Study/Home Office, Walk-In Closet(s), Gated with Guard, Security System, See Remarks
General Info
Beds
5 Total / 3 Main Level / 2 Other Level
Full / Half Baths
6 / 3
Prop Type
Residential
Property Type
Single Family Residence
Stories
2
Year Built
2025 / Resale
Square Feet
11,303 / Public Records
Garages
4
Garage Desc
Attached
Foundation
Slab
Roof
Metal
Construction
Wood Siding, Stone, Stucco
Acres
0.87
Lot Description
Back Yard, Landscaped, Backs To Golf Course, Sprinkler - In-ground, Views
Restrictions
City Restrictions
Flood Plain
No
View
Golf Course, Hill Country
Water Access
No
Waterfront
No
Area
LS
Utility Info
Water
Municipal Utility District (MUD)
Sewer
Public Sewer
Utilities
Cable Connected, Electricity Connected, Propane, Sewer Connected, Water Connected
Heat
See Remarks, Propane
A C
Central Air
Exterior Features
Fence
See Remarks
Exterior Features
Balcony, Outdoor Grill, Private Yard, Covered, Patio, Rear Porch
Pool On Property
Yes
Area Amenities
Clubhouse, Common Grounds, Fishing, Gated, Golf, Park, Picnic Area, Playground, Pool, Sport Court(s)/Facility, Tennis Court(s)

Price history

Members only
Days on market
−$1,000,000 (−7.7%)
$13,000,000 → $12,000,000
1
Price reduction
Active
Since Aug 7, 2026
Price trend
List priceAug 2026Aug 2026
Property history2 events
DateEventPriceChange
Aug 27, 2026Price Decrease$12,000,000−$1,000,000 (−7.7%)
Aug 7, 2026New Listing

Taxes

Tax data isn’t available for this property’s county yet.

Schools

School Info
District
Lake Travis ISD
Elementary
Lake Pointe
Middle
Bee Cave Middle School
High
Lake Travis

Maps

Financing

Your preferences

  • 20% down
  • Conv/Jumbo
  • 30 years
  • 6.50% rate

Saved on this device

List price $12,000,000
Down payment
Stays 20% if you change the price
Note rate, not APR
From this listing’s tax record
*Estimated only (1% of price / yr)

Estimated monthly payment

$75,171 / mo

20% down · 6.50% interest · 30-year fixed

Estimated monthly payment $75,171

Principal & interest
$60,679
Property taxes
$4,492
Homeowners insurance
$10,000

*PITI only

These figures are estimates for general information only — not a loan offer, a quote, or a guarantee of financing terms.

Principal, interest and balance for each year
YearStarting balancePrincipal paidInterest paidEnding balancePrincipal vs interest
1$9,600,000$107,302$620,841$9,492,698
2$9,492,698$114,488$613,655$9,378,211
3$9,378,211$122,155$605,987$9,256,055
4$9,256,055$130,336$597,806$9,125,719
5$9,125,719$139,065$589,077$8,986,654
6$8,986,654$148,379$579,764$8,838,275
7$8,838,275$158,316$569,827$8,679,959
8$8,679,959$168,918$559,224$8,511,041
9$8,511,041$180,231$547,911$8,330,810
10$8,330,810$192,302$535,841$8,138,508
  • Year 1$9,492,698
    Principal paid
    $107,302
    Interest paid
    $620,841
    Starting balance
    $9,600,000
  • Year 2$9,378,211
    Principal paid
    $114,488
    Interest paid
    $613,655
    Starting balance
    $9,492,698
  • Year 3$9,256,055
    Principal paid
    $122,155
    Interest paid
    $605,987
    Starting balance
    $9,378,211
  • Year 4$9,125,719
    Principal paid
    $130,336
    Interest paid
    $597,806
    Starting balance
    $9,256,055
  • Year 5$8,986,654
    Principal paid
    $139,065
    Interest paid
    $589,077
    Starting balance
    $9,125,719
  • Year 6$8,838,275
    Principal paid
    $148,379
    Interest paid
    $579,764
    Starting balance
    $8,986,654
  • Year 7$8,679,959
    Principal paid
    $158,316
    Interest paid
    $569,827
    Starting balance
    $8,838,275
  • Year 8$8,511,041
    Principal paid
    $168,918
    Interest paid
    $559,224
    Starting balance
    $8,679,959
  • Year 9$8,330,810
    Principal paid
    $180,231
    Interest paid
    $547,911
    Starting balance
    $8,511,041
  • Year 10$8,138,508
    Principal paid
    $192,302
    Interest paid
    $535,841
    Starting balance
    $8,330,810
First 10 of 30 years

Nearby

Courtesy of Kuper Sotheby's Int'l Realty · (512) 831-6577

Listings courtesy of ACTRIS as distributed by MLS GRID.