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851 Alumroot Street, Castle Rock, CO – $1,298,888

  • 3 Beds
  • 3 Baths
  • 2,818 Sqft
  • .28 Acres
  • 3 Beds
  • 3 Baths
  • 2,818 Sqft
  • .28 Acres

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851 Alumroot Street

Welcome to effortless main-level living in Montaine’s sought-after Regency Collection, Castle Rock’s premier 55+ luxury community. Ideally located on a quiet cul-de-sac, this 2022 Toll Brothers ranch offers refined design, low-maintenance living, and an active lifestyle just minutes from downtown Castle Rock. The open-concept floor plan is filled with natural light and features high ceilings, wide plank flooring, and a stunning great room with front range views, gas fireplace and large nesting sliding glass doors, creating a seamless indoor-outdoor flow perfect for entertaining. Electronic window coverings throughout the home add modern convenience and a polished finish. The gourmet kitchen is the heart of the home, showcasing an oversized island, custom cabinetry, quartz and granite countertops, double ovens, walk-in pantry, and generous prep space—ideal for both everyday living and hosting. The primary suite is a private retreat, complete with its own gas fireplace, radiant heated floors in the spa-inspired five-piece bath, and a spacious walk-in closet. A secondary bedroom with ensuite bath and a dedicated home office provide flexibility for guests, hobbies, or work-from-home needs. Convenient main-level laundry enhances ease of living. Step outside to the covered composite deck and enjoy open views and peaceful surroundings. The south-facing driveway naturally melts snow, a thoughtful Colorado convenience. Additional highlights include owned solar panels, central A/C, an oversized 3-car garage with EV hookup, and a level, professionally landscaped lot. The walk-out basement is unfinished and ready for future expansion. Montaine offers a true resort lifestyle with pickleball, tennis, bocce, lap and lounge pool, spa, clubhouse, fitness center, and over 13 miles of trails across 548 acres of open space. Snow removal and trash are included. This is downsizing done right—luxury, comfort, and community in one exceptional home.

Listing Office: RE/MAX Professionals

Essential Information

  • MLS® #4653171
  • Price$1,298,888
  • Bedrooms3
  • Bathrooms3.00
  • Full Baths2
  • Half Baths1
  • Square Footage2,818
  • Acres0.28
  • Year Built2022
  • TypeResidential
  • Sub-TypeSingle Family Residence
  • StyleMountain Contemporary
  • StatusComing Soon

Community Information

  • Address851 Alumroot Street
  • SubdivisionMontaine
  • CityCastle Rock
  • CountyDouglas
  • StateCO
  • Zip Code80104

Amenities

  • Parking Spaces3
  • # of Garages3
  • ViewMountain(s)
  • Has PoolYes
  • PoolOutdoor Pool

Amenities

Clubhouse, Fitness Center, Pool, Spa/Hot Tub, Tennis Court(s), Trail(s)

Utilities

Cable Available, Electricity Connected, Natural Gas Connected, Phone Available

Parking

Concrete, Electric Vehicle Charging Station(s), Insulated Garage, Oversized

Interior

  • HeatingForced Air, Radiant Floor
  • CoolingCentral Air
  • FireplaceYes
  • # of Fireplaces2
  • FireplacesGreat Room, Primary Bedroom
  • StoriesOne

Interior Features

Ceiling Fan(s), Eat-in Kitchen, Entrance Foyer, Five Piece Bath, Granite Counters, High Ceilings, High Speed Internet, In-Law Floorplan, Open Floorplan, Pantry, Primary Suite, Quartz Counters, Smoke Free, Solid Surface Counters, Walk-In Closet(s), Wired for Data

Appliances

Cooktop, Dishwasher, Disposal, Double Oven, Gas Water Heater, Microwave, Oven, Range, Range Hood, Refrigerator, Self Cleaning Oven

Exterior

  • Exterior FeaturesRain Gutters
  • RoofComposition
  • FoundationSlab

Lot Description

Cul-De-Sac, Greenbelt, Irrigated, Landscaped, Level, Master Planned, Meadow, Sprinklers In Front, Sprinklers In Rear

Windows

Double Pane Windows, Window Coverings, Window Treatments

School Information

  • DistrictDouglas RE-1
  • ElementarySouth Ridge
  • MiddleMesa
  • HighDouglas County

Additional Information

  • Date ListedJanuary 27th, 2026

Listing Details

  • RE/MAX Professionals
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Listing information last updated on January 27th, 2026 at 9:03pm MST.