421 Z Road
Silverthorne, CO 80498
For more information on this listing, contact us at: (303) 242-5062
Active
$2,999,000
-9.1%
421 Z Road Silverthorne, CO 80498
Single Family Residence
Property Type
4
Beds
1 Full 1 Three-Quarter 2 Half
Baths
3,098
Sq. Ft.
2017
Year Built
Summit
County
Perched atop the exclusive Ptarmigan neighborhood in Silverthorne, 421 Z Rd is a masterfully designed sanctuary blending cutting-edge sustainability with elevated mountain luxury. Situated on 1.25 acres with the option to acquire an adjacent 1.25-acre parcel for a truly expansive estate this bespoke 4-bedroom residence showcases some of Summit County's most awe-inspiring views, spanning from Lake Dillon to the Gore Range. Every inch of this custom-built home has been meticulously curated to captivate the most discerning buyer. The striking copper-clad exterior makes a bold architectural statement, while inside, rich walnut cabinetry and one-of-a-kind Blue Marine Granite countertops sourced by hand from Dallas, TX set the tone for refined individuality. The chef's kitchen is a showpiece of design and function, boasting premium appliances from Wolf, Dacor, and Miele, along with motorized cabinetry for seamless modern living. Even the dishwasher responds with a simple knock. Overhead, a custom interlocking wood ceiling and sculptural chandeliers elevate the aesthetic experience. Three expansive La Cantina floor-to-ceiling sliding glass walls disappear to reveal an unmatched indoor/outdoor lifestyle, flowing onto a composite deck complete with a hot tub overlooking the peaks. Ideal for buyers who value environmental consciousness without sacrificing comfort, the home features owned solar panels that slash utility costs by 80 90%, a cutting-edge SIPS roof, an advanced water treatment system, and a dedicated EV charging station. A greenhouse allows for year-round gardening and sustainability. In the luxurious primary suite, unwind in a spa-like steam shower or a soaking tub that dramatically fills from the ceiling. Located just minutes from world-class skiing and four-season recreation, this home is not only a residence it's a statement. 421 Z Rd offers a rare blend of eco-luxury, innovative design, and natural beauty, setting a new standard for Colorado mountain living.
MLS #
5567723
Monthly HOA
N/A
On Site
490 Days
Last Updated
10/5/2026
Contact Agent
Katie Portenga
(303) 242-5062Property Details
Community Information
Address
421 Z Road, Silverthorne, CO 80498
County
Summit
City
Silverthorne
Neighborhood
Silverthorne
Zip Code
80498
Condo
Silverthorne
School Information
Architecture
Bedrooms
4
Bathrooms
1 Full / 1 Three-Quarter / 2 Half
Year Built
2017
Stories
2
Style
Mountain Contemporary,2 Story
Construction Materials
Cement Siding, Metal Siding
Architecture
Mountain Contemporary
Roof
Metal
Foundation
Slab
Attached Garage Yes/No
Yes
Garage Spaces
2
Features / Amenities
Interior Features
Built-in Features, Ceiling Fan(s), Entrance Foyer, Five Piece Bath, High Ceilings, Kitchen Island, Open Floorplan, Primary Suite, Quartz Counters, Sound System, Spa/Hot Tub, Walk-In Closet(s)
Appliances
Cooktop, Dishwasher, Disposal, Double Oven, Dryer, Gas Water Heater, Microwave, Refrigerator, Washer
Fireplace Features
Bedroom, Gas, Living Room
Flooring
Concrete, Wood
Laundry
In Unit
Exterior Features
Gas Valve, Spa/Hot Tub
Patio And Porch
Deck
Window
Skylight(s), Window Coverings
Parking Features
220 Volts, Heated Garage
Cooling
Air Conditioning-Room
Heating
Radiant
Property Features
Lot Size
54,450 Sq. Ft. / 1.25 Acres
View
Mountain(s), Water
Utilities
Electricity Connected, Internet Access (Wired), Propane
Sewer
Septic Tank
Water
Well
Electric
110V, 220 Volts
Zoning
CR1
Directions
From Highway 6, turn right on to Rainbow Drive. Take next right on to Tanglewood Lane. Turn right on to Ptarmigan Trail. Keep left on CO Road 2020. Turn right on to Barking Dog Court which turns into Z Road. Home will be on the left.
Tax and Financial Info
Tax Annual Amount
$7,626
Listing Office
Listing provided courtesy of Your Castle Summit.
Mortgage Calculator
Your monthly payment will be
$0,000
Loan and interest only.
Purchase price
Down payment
Price Change History
| Date | Old Price | New Price | Percent Change |
| 7/28/2026 | $3,300,000 | $3,150,000 |
-4.5%
|
| 8/10/2026 | $3,150,000 | $2,999,000 |
-4.8%
|
Schools
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Listing Information Last Updated 10/5/2026
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