3520 Castle Butte Drive

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.

Listing Office: RE/MAX Professionals

Essential Information

MLS® #8928124
Price$3,500,000
Bedrooms5
Bathrooms5.00
Full Baths2
Square Footage7,824
Acres21.30
Year Built2019
TypeResidential
Sub-TypeSingle Family Residence
StatusComing Soon

Style

Contemporary, Mountain Contemporary

Community Information

Address3520 Castle Butte Drive
SubdivisionKeene Ranch
CityCastle Rock
CountyDouglas
StateCO
Zip Code80109

Amenities

AmenitiesTrail(s)
Parking Spaces13
# of Garages13
ViewCity, Meadow, Mountain(s)

Utilities

Electricity Connected, Internet Access (Wired), Natural Gas Connected

Parking

Asphalt, Circular Driveway, Concrete, Dry Walled, Exterior Access Door, Finished Garage, Floor Coating, Guest, Heated Garage, Insulated Garage, Lighted, Oversized, Oversized Door, Storage, Tandem

Interior

HeatingForced Air
CoolingCentral Air
FireplaceYes
# of Fireplaces5
StoriesTwo

Interior Features

Audio/Video Controls, Breakfast Bar, Built-in Features, Ceiling Fan(s), Concrete Counters, Eat-in Kitchen, Entrance Foyer, Five Piece Bath, High Ceilings, High Speed Internet, In-Law Floorplan, Jack & Jill Bathroom, Kitchen Island, Open Floorplan, Pantry, Primary Suite, Quartz Counters, Smart Ceiling Fan, Smart Light(s), Smart Thermostat, Smart Window Coverings, Smoke Free, Solid Surface Counters, Sound System, Hot Tub, Stone Counters, Vaulted Ceiling(s), Walk-In Closet(s), Wet Bar, Wired for Data

Appliances

Bar Fridge, Convection Oven, Cooktop, Dishwasher, Disposal, Double Oven, Dryer, Humidifier, Microwave, Range, Range Hood, Refrigerator, Self Cleaning Oven, Sump Pump, Tankless Water Heater, Washer, Water Purifier, Water Softener, Wine Cooler

Fireplaces

Basement, Family Room, Gas, Great Room, Insert, Living Room, Outside, Primary Bedroom, Recreation Room

Exterior

RoofConcrete
FoundationStructural

Exterior Features

Balcony, Barbecue, Dog Run, Fire Pit, Gas Grill, Gas Valve, Heated Gutters, Lighting, Private Yard, Rain Gutters, Smart Irrigation, Spa/Hot Tub, Water Feature

Lot Description

Corner Lot, Fire Mitigation, Irrigated, Landscaped, Many Trees, Meadow, Rock Outcropping, Rolling Slope, Secluded, Sloped, Sprinklers In Front

Windows

Window Coverings, Window Treatments

School Information

DistrictDouglas RE-1
ElementaryClear Sky
MiddleCastle Rock
HighCastle View

Additional Information

Date ListedDecember 2nd, 2025
ZoningPDNU

Listing Details

RE/MAX Professionals

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Listing information last updated on December 4th, 2025 at 10:33am MST.

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3520 Castle Butte Drive, Castle Rock, CO – $3,500,000

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