421 Z Road Silverthorne, CO 80498
421 Z Road Silverthorne, CO 80498 | MLS 5567723 Photo 1
421 Z Road Silverthorne, CO 80498 | MLS 5567723 Photo 2
421 Z Road Silverthorne, CO 80498 | MLS 5567723 Photo 3
421 Z Road Silverthorne, CO 80498 | MLS 5567723 Photo 4
421 Z Road Silverthorne, CO 80498 | MLS 5567723 Photo 5
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
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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

Katie Portenga

(303) 242-5062

Property Details

Community Information

Address 421 Z Road, Silverthorne, CO 80498
County Summit
Neighborhood Silverthorne
Zip Code 80498
Condo Silverthorne

School Information

School District Summit RE-1
High School Summit
Middle School Summit
Elementary School Silverthorne

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.

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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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421 Z Road Silverthorne, CO 80498 | MLS 5567723
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Listing Information Last Updated 10/5/2026
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