Metro Denver Luxury Homes For Sale

Property Description

Discover Colorado luxury living on over 21 acres in Keene Ranch with this custom 2019 mountain-contemporary estate offering exceptional privacy, expansive views, and refined indoor-outdoor living. A gated entrance leads to soaring ceilings, a grand open layout, and a chef’s kitchen with dual oversized islands, high-end appliances, and multi-slide doors opening to a covered deck.

The main level includes a formal dining room, office, second study, spacious laundry room, and a guest bedroom. Upstairs, the primary retreat features two sitting areas with fireplaces, a private balcony, a spa-inspired five-piece bath, and a custom closet with its own washer and dryer, along with a loft and two additional guest bedrooms.

The walkout lower level is designed for entertaining with a custom theater, a statement bar with beverage fridge, wine cooler, dishwasher, beer taps, a wine room, bonus spaces, and an additional guest suite.

Outdoor amenities include a firepit, hot tub, water feature, built-in grill, and multiple patios that overlook rolling meadows, rock outcroppings, and unobstructed mountain views. The property features a three-car attached garage plus a heated ten-car garage with an upper-level 900+ sq ft guest studio complete with a full bath, fireplace, wet bar, and private deck.

Located in the premier equestrian community of Keene Ranch, residents enjoy private trail access, dark-sky serenity, and peaceful acreage living just minutes from Castle Rock, dining, shopping, and major conveniences. This rare Colorado estate combines modern design, multigenerational flexibility, and true privacy in one of Castle Rock’s most desirable luxury communities.

Features
: Forced Air
: Central Air
: Finished, Full, Exterior Entry, Daylight, Walk-Out Access
: Partial
: City, Mountain(s), Meadow
: Cats OK, Dogs OK
: Gas, Great Room, Family Room, Living Room, Basement, Outside, Recreation Room, Insert, Primary Bedroom
: Security System, Carbon Monoxide Detector(s), Smoke Detector(s), Smart Cameras, Radon Detector, Security Entrance, Smart Security System, Water Leak/Flood Alarm
: Covered, Deck, Front Porch, Wrap Around
: 13
: Negotiable
: Cooktop, Dryer, Dishwasher, Disposal, Microwave, Range, Refrigerator, Range Hood, Self Cleaning Oven, Washer, Tankless Water Heater, Convection Oven, Humidifier, Bar Fridge, Double Oven, Water Softener, Wine Cooler, Water Purifier, Sump Pump
: Contemporary, Mountain Contemporary
: Trail(s)
: Concrete, Heated Garage, Oversized, Finished Garage, Asphalt, Insulated Garage, Lighted, Storage, Circular Driveway, Exterior Access Door, Tandem, Guest, Dry Walled, Oversized Door, Floor Coating
: Concrete
: Septic Tank
Address Map
CO
Douglas
Castle Rock
80109
Castle Butte
3520
Drive
W105° 4' 55.1''
N39° 19' 11.1''
Additional Information
$380
Annually
: Frame, Stucco
East
: 220 Volts
Clear Sky
: Balcony, Lighting, Barbecue, Private Yard, Rain Gutters, Dog Run, Fire Pit, Water Feature, Gas Grill, Smart Irrigation, Heated Gutters, Gas Valve, Spa/Hot Tub
5
: Carpet, Wood, Stone
13
Castle View
Yes
: Pantry, High Ceilings, Open Floorplan, Quartz Counters, Smoke Free, Kitchen Island, Eat-in Kitchen, Solid Surface Counters, Vaulted Ceiling(s), Smart Thermostat, Wet Bar, High Speed Internet, Ceiling Fan(s), Entrance Foyer, Built-in Features, Sound System, Stone Counters, Concrete Counters, Primary Suite, Five Piece Bath, Hot Tub, Jack & Jill Bathroom, Smart Window Coverings, Smart Ceiling Fan, Walk-In Closet(s), Wired for Data, Audio/Video Controls, Breakfast Bar, In-Law Floorplan, Smart Light(s)
Yes
Yes
1031 Exchange, Cash, Conventional, Jumbo, VA Loan
: Corner Lot, Sloped, Sprinklers In Front, Landscaped, Rock Outcropping, Secluded, Many Trees, Rolling Slope, Meadow, Fire Mitigation, Irrigated
Castle Rock
RE/MAX Professionals
R0400120
: None
: House
Keene Ranch
$16,933
2025
: Electricity Connected, Natural Gas Connected, Internet Access (Wired)
: Window Coverings, Window Treatments
PDNU
12/05/2025
: Thermostat, Exposure/Shade
8025
Active
Yes
1
08313N
00230
Live/Work
Douglas RE-1
Structural
Douglas RE-1
Sink, In Unit, Laundry Closet
Douglas RE-1
12/05/2025
12/05/2025
Private, Well
: Two

Keene Ranch

3520 Castle Butte Drive, Castle Rock, CO 80109

5 Bedrooms
5 Total Baths
7,824 Square Feet
$3,500,000
Listing ID #8928124
Basic Details
Property Type : Residential
Listing Type : For Sale
Listing ID : 8928124
Price : $3,500,000
Bedrooms : 5
Rooms : 25
Total Baths : 5
Full Bathrooms : 2
3/4 Bathrooms : 3
Square Footage : 7,824 Square Feet
Year Built : 2019
Lot Area : 21.30 Acres
Lot Acres : 21.3
Property Sub Type : Single Family Residence
Status : Active
Co List Agent Full Name : Joan Pratt
Co List Office Name : RE/MAX Professionals
Originating System Name : REcolorado
Mortgage Calculator
$
$ %
years
%
$ %per year
$ %per year

$
Contact Agent