$3,300,000
Price
4
Beds
4
Baths
3,098 Sq. Ft.
$1,065 / Sq. Ft.
3,098
Sq. Ft.
$1,065
per Sq. Ft.

Description

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...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.
  1. Listed by Amy Nakos • Your Castle Summit, LLC • amy@amynakos.com
  2. Listed by Jennifer Luberto • Your Castle Summit, LLC

Property Details for 421 Z Road

Subdivision Name
GOVERNMENT TRACTS 6-5-77 SUB
Architectural Style
Mountain Contemporary
Waterfront
No
View
Lake, Mountain(s)
Furnished
Partially
Pets Allowed
Yes
LISTING UPDATED: 12/17/2025 04:09 PM

Property Details for 421 Z Road

StatusActive
MLS #S1059453
Days on Compass197
Taxes$7,626 / year
HOA Fees-
Condo/Co-op Fees-
Compass TypeSingle Family
MLS TypeResidential-Detached
Year Built2017
Lot Size1.25 AC / 54,450 SF
CountySummit County

Location

Listing Courtesy of Your Castle Summit, LLC, Amy Nakos; Your Castle Summit, LLC, Jennifer Luberto
Add your commute

Building Information for 421 Z Road

Stories-Year Built2017Building Size-Lot Size1.25 AC / 54,450 SF

Payment Calculator

$16,942 per month

30 year fixed, 6.28% Interest

Principal and Interest

$16,306

Property Taxes

$636

HOA Dues

$0

The Payment Calculator is for illustrative purposes only.

Property Information for 421 Z Road

Summary
Location and General Information
  • Building Features: Not Applicable
  • Community Features: Trails/Paths
  • 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.
  • Elementary School: Silverthorne
  • Elementary School District: Summit RE-1
  • Middle Or Junior School: Summit
  • Middle Or Junior School District: Summit RE-1
  • High School: Summit
  • High School District: Summit RE-1
  • Road Frontage Type: Public
  • Zoning: CR1
  • Zoning Description: Single Family
  • Road Surface Type: Dirt
Parking
  • Attached Garage: Yes
  • Carport Spaces: 0
  • Garage: Yes
  • Garage Spaces: 2
  • Parking Features: Attached, Garage
Taxes and HOA Information
  • Association: No
  • Tax Block: 0
  • Tax Legal Description: LOT 32 GOVERNMENT TRACTS 6-5-77 SUB
  • Tax Lot: 32
  • Tax Year: 2024
Property
Green Features
  • Green Energy Efficient: Appliances, Construction, Doors, Exposure/Shade, HVAC, Insulation, Lighting, Roof, Thermostat, Water Heater, Windows
Lot Information
  • Current Use: Residential
  • Lot Features: See Remarks
  • Lot Size Source: Public Records
  • Parcel Number: 1300817
  • Living Area Source: Public Records
Property and Assessments
  • Road Responsibility: Public Maintained Road
  • Senior Community: No
  • Building Area Source: Public Records
  • Common Walls: No Common Walls
  • Construction Materials: Cement Siding, Metal Siding
  • Number Of Units Total: 1
  • Property Condition: Resale
  • Spa Features: Hot Tub
  • Spa: Yes
  • Stories: 2
Utilities
  • Cooling: Air Conditioning-Room
  • Electric: 110V, 220 Volts
  • Heating: Radiant
  • Heating: Yes
  • Sewer: Septic Tank
  • Utilities: Electricity Available, High Speed Internet Available, Propane, Septic Available
  • Water Source: Well
Interior and Exterior Features
Exterior Features
  • Exterior Features: Gas Valve, Spa/Hot Tub
  • Foundation Details: Poured
  • Patio And Porch Features: Deck
  • Roof: Metal
  • Structure Type: House
  • View: Yes
  • Window Features: Skylight(s)
Interior Features
  • Appliances: Built-In Oven, Double Oven, Dryer, Dishwasher, Electric Cooktop, Freezer, Disposal, Microwave, Refrigerator, Trash Compactor, Washer, Washer/Dryer
  • Basement: None, Heated
  • Basement: No
  • Bathrooms One Quarter: 0
  • Fireplace Features: Gas
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Flooring: Concrete, Wood
  • Interior Features: Built-in Features, Ceiling Fan(s), Five Piece Bathroom, Fireplace, High Ceilings, Kitchen Island, Primary Suite, Pantry, Quartz Counters, Skylights, Smart Thermostat, Vaulted Ceiling(s), Walk-In Closet(s)
  • Laundry Features: In Unit, See Remarks
  • Levels: Two, Multi/Split
  • Rooms Total: 12

Property History for 421 Z Road

DateEvent & SourcePriceAppreciation
Sep 30, 2005

Sold (Public Record)

Public Record #1083010627

$790,000
DateEvent & SourcePrice
09/30/2005

Sold (Public Record)

Public Record #1083010627

$790,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 421 Z Road

Taxable ValueLand-Additions-Total-
Tax Record2024$8,721 ($727 / month)
Home Facts
Beds3Total Finished SqFt6,934 SqFtAbove Grade Finished SqFt4,906 SqFtFinished Basement SqFt2,028 SqFtStories2Lot Size163,786 SqFtStyleSingle Family ResidenceYear Built1998Year Renovated2006ZoningCR1CountySUMMITAPN6508774

Schools near 421 Z Road

This home is within Summit Re-1 School District.
Rating
School
Type
Grades
Distance
Public - PK to 5
Public - 6 to 8
Public - 9 to 12
Public - 7 to 12
Rating
School
Distance
Silverthorne Elementary School
PublicPK to 5

Summit Middle School
Public6 to 8

Summit High School
Public9 to 12

Snowy Peaks High School
Public7 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

Similar Homes

Similar Sold Homes

421 Z Road is a single family home for sale in Silverthorne, CO 80498. This property was listed for sale on June 13, 2025 by Your Castle Summit, LLC, it's currently listed at $3,300,000. It has been on the market for a total of 197 days and was last sold on September 30, 2005. This listing's school district is Summit Re-1 School District. Nearby schools include Silverthorne Elementary School, Summit Middle School and Summit High School. 421 Z Road is a 4-bed, 4-bath, 3,098 sqft single family home built in 2017.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of Your Castle Summit, LLC, Amy Nakos; Your Castle Summit, LLC, Jennifer Luberto

Based on information from one of the following Multiple Listing Services: REColorado, Summit MLS Inc (a wholly owned subsidiary of Summit Association of REALTORS), Pikes Peak Association of Realtors, IRES, Grand Junction Area REALTOR, CREN, Vail Board of REALTORS and Grand County Board of REALTORS . Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by REColorado, Summit MLS Inc (a wholly owned subsidiary of Summit Association of REALTORS), Pikes Peak Association of Realtors, IRES, Grand Junction Area REALTOR, CREN, Vail Board of REALTORS and Grand County Board of REALTORS is protected by all applicable copyright laws. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.