Metro Denver Luxury Homes For Sale

Property Description

Tucked away at the end of a quiet cul-de-sac—shared with just one other home—this 1.36-acre Niwot estate offers rare privacy, space, and serenity. Surrounded by over 120 mature trees, the property feels like a secluded retreat while still being close to everything.
Offered for the first time in 25+ years, this home has been meticulously maintained and thoughtfully designed for both everyday living and entertaining.
Inside, the main level features a functional, flowing layout with three fireplaces anchoring the family room, formal living room, and main-floor primary suite. The spacious kitchen opens to the main living areas and includes a cozy eat-in nook, while a formal dining room provides space for gatherings and special occasions. A dedicated office with an attached half bath adds flexibility.
Step out onto the covered walk-out deck and take in the beautifully designed backyard, an extension of the home’s living space.
Upstairs, each of the three bedrooms includes its own en-suite bathroom, offering comfort and privacy. The walkout basement provides an open entertaining area, ¾ bath, workshop, storage, and direct access to the backyard.
Outside, the property transforms into a private resort with a pool & built in hot tub, putting green, tiki bar, multiple patios, and expansive lawn space perfect for entertaining or relaxing in total privacy.
Additional highlights include a three-car garage, multiple outdoor living spaces, and exceptional care throughout.
A rare opportunity to own a private, resort-style property in one of Niwot’s most desirable settings.

Features
: Outdoor Pool
: Forced Air
: Central Air
: Finished, Full, Walk-Out Access
: Full
: Family Room, Living Room, Primary Bedroom
: Security System
: Covered, Deck, Patio
: 3
: Cooktop, Dryer, Dishwasher, Microwave, Refrigerator, Washer, Wine Cooler
: Concrete
: Composition
: Public Sewer
Address Map
CO
Boulder
Niwot
80503
Haystack
8478
Court
W106° 50' 40.7''
N40° 5' 52.6''
Additional Information
$206
Monthly
: Snow Removal, Trash
: Frame
Niwot
: Balcony, Private Yard, Fire Pit, Garden, Spa/Hot Tub
3
: Carpet, Tile, Wood
3
Niwot
: Pantry, High Ceilings, Open Floorplan, Granite Counters, Kitchen Island, Eat-in Kitchen, Wet Bar, Central Vacuum, Entrance Foyer, Built-in Features, Primary Suite, Five Piece Bath, Radon Mitigation System, Hot Tub, Walk-In Closet(s), Breakfast Bar
Yes
Yes
Cash, Conventional, Jumbo
: Cul-De-Sac
Sunset
Compass - Denver
R0098610
: None
: House
Cottonwood Hills
$14,130
2025
RR
04/23/2026
5967
Active
Yes
1
St. Vrain Valley RE-1J
St. Vrain Valley RE-1J
In Unit
St. Vrain Valley RE-1J
04/23/2026
04/23/2026
Public
: Two

Cottonwood Hills

8478 Haystack Court, Niwot, CO 80503

4 Bedrooms
6 Total Baths
5,967 Square Feet
$2,450,000
Listing ID #2805935
Basic Details
Property Type : Residential
Listing Type : For Sale
Listing ID : 2805935
Price : $2,450,000
Bedrooms : 4
Rooms : 18
Total Baths : 6
Full Bathrooms : 4
3/4 Bathrooms : 1
1/2 Bathrooms : 1
Square Footage : 5,967 Square Feet
Year Built : 1990
Lot Area : 52,686 Acres
Lot Acres : 1.21
Property Sub Type : Single Family Residence
Status : Active
Originating System Name : REcolorado
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Open Dates
  • 1. 2026-04-25 (Start time: 2026-04-25T17:00:00Z - End time: 2026-04-25T19:00:00Z)
  • 2. 2026-04-26 (Start time: 2026-04-26T18:00:00Z - End time: 2026-04-26T20:00:00Z)