421 Z Road Silverthorne, CO $ 3,300,000
421 Z Road
$ 3,300,000
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421 Z Road

Silverthorne, CO, 80498
$ 3,300,000
Bedrooms4 Baths2.2 Sq 3,098

Monthly Estimate*

$ 20,588

Listed by Your Castle Summit
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Single Family Home for sale in Silverthorne, CO

for $3,300,000 with 4 bedrooms and 2 full baths, 2 half baths. This 3,098 square foot home was built in 2017 on a lot size of 1.25.

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.

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Single Family Active

Price

$ 3,300,000

Bedrooms

4

Full Bath

2

Half Bath

2

Property Type

Single Family

Taxes

$ 7,626

Style

Mountain Contemporary

Lot Size

1.25

Year Built

2017

Town/City

Silverthorne

County/Region

Summit

MLS | Web ID

5567723

Features
Interior
Interior Amenities Built-in Features Ceiling Fan(s) Entrance Foyer Five Piece Bath High Ceilings Kitchen Island Open Floorplan Primary Suite Quartz Counters Sound System Hot Tub Walk-In Closet(s)
Flooring Concrete Wood
Furnished Y/N Negotiable
Total Fireplaces 2
Fireplace Features Bedroom Gas Living Room
Common Walls No Common Walls
Basement (Y/N) N
Window Features Skylight(s) Window Coverings
Above Grade Finished Area 3098
Half Baths 2
1/4 Baths 0
3/4 Baths 1
Laundry Features In Unit
Total Bedrooms 4
Main Level Bedrooms 2
Main Level Bathrooms 3
Total Baths 4
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General
Sewer Septic Tank
Heating Radiant
Cooling Air Conditioning-Room
Utilities Electricity Connected Internet Access (Wired) Propane
Possession Closing/DOD
Roof Metal
Appliances Cooktop Dishwasher Disposal Double Oven Dryer Gas Water Heater Microwave Refrigerator Washer
Zoning CR1
Garage Spaces 2
Patio/Porch Features Deck
Architectural Style Mountain Contemporary
Construction Materials Cement Siding Metal Siding
Exclusions Most artwork and furniture are negotiable.
Year Built 2017
Electric 110V 220 Volts
View Mountain(s) Water
Levels Two
Property Subtype Single Family Residence
Tax Year 2024
Ownership Individual
County Summit
Property Type Residential
HOA N
Attached Garage Y
Energy Efficient Appliances Construction Doors Exposure/Shade HVAC Insulation Lighting Roof Thermostat Water Heater Windows
Subdivision Name Silverthorne
Full Baths 1
Status Active
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
High School Summit
City Silverthorne
Senior Community Y/N N
High School District Summit RE-1
Number Of Units Total 1
Lot Size Units Acres
Lot Size Square Feet 54450
Carport Spaces 0
Listing Terms Cash Conventional
Elementary School Silverthorne
Tax Annual Amount 7626
Middle/Junior High School Summit
Virtual Tour https://421zrd.coloradoreai.com
Structure Type House
Standard Status Active
Occupancy Type Owner
Middle/Junior School District Summit RE-1
Elementary School District Summit RE-1
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Exterior
Exterior Amenities Gas Valve Spa/Hot Tub
Parking Features 220 Volts Heated Garage
Water Source Well
Total Parking 2
Lot Size Area 1.25
Foundation Details Slab
Building Area Total 3098
Lot Size Acres 1.25
Road Surface Type Gravel
Road Frontage Type Public
Road Responsibility Private Maintained Road
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Internal Only
Street Number 1 421
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* Excluded Features
List By
Your Castle Summit

Broker

(970) 389-8388

Phone

Affordability Calculator

$21,223
Per Month
97%
3%
0%
Monthly Principal & Interest
$20,588
Monthly Property Taxes
$636
Monthly Home Insurance
--
Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
2240822 Elementary School
733201 Middle School
Summit High School High School
Pricing History
DatePricePrice ChangeDescription
6/16/2025$3,300,000 Listed Price

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421 Z Road, Silverthorne, CO, 80498 is a Single Family Home for sale at $3,300,000 with 3,098 sqft and a lot size of 1.25. 421 Z Road has 4 bedrooms, 2.2 baths, and was built in 2017. The property's zip code is 80498 which is in Silverthorne, CO