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Home » Real Estate » CO » Castle Rock » 80104 » 851 Alumroot St, Castle Rock, CO, 80104
$1,298,888

851 Alumroot St, Castle Rock, CO, 80104

3 Beds
3 Baths
5,636 Square Feet
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.
Offered By
Joan Pratt TC@joanpratt.com,720-506-3001, RE/MAX Professionals

Property Details

Property Type Residential
Status Coming Soon
Bedrooms 3
Bathrooms (Full) 2
Property Sub Type Residential-Detached
Square Feet 5,636
MLS # 4653171
Bathrooms (Half) 1

Market Trends

New Properties On Market
17
15% Decrease In New Listings
Average Asking Price
$737,276
$140,193 Decrease In Avg Asking Price
Average Asking Price / Sq. Ft.
$226
$26 Decrease In List Price/Sq. Ft.
Average Days On Market
25
18 Day Decrease In Days On Market
Data as of Jan 27, 2026. Remaining statistics above are calculated on activity within the period from Nov 01, 2025 to Dec 31, 2025.

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The information provided by this calculator is for illustrative purposes only and accuracy is not guaranteed. The values and figures shown are hypothetical and may not be applicable to your individual situation. Be sure to consult a financial professional prior to relying on the results. This calculator does not have the ability to pre-qualify you for any mortgage or loan program. Qualification for mortgages or loans requires additional information such as credit scores and existing debts which is not gathered in this calculator. Information such as interest rates and pricing are subject to change at any time and without notice. All information such as interest rates, taxes, insurance, monthly mortgage payments, etc. are estimates and should be used for comparison only.


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Information deemed reliable but not guaranteed by the MLS. Listing information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data Source: Information and Real Estate Services, LLC. Provided for limited non-commercial use only under IRES Rules. © 2025 IRES. Property data was last updated on 1/27/2026 at 8:00 pm