On a private lakefront acre at the highest vantage point in Broomfield’s most prestigious gated enclave, 1820 Mallard Drive is a residence of rare distinction where architectural brilliance, natural grandeur and refined comfort converge in flawless harmony. With panoramic views of the Rocky Mountains and a shimmering private lake as its ever-changing backdrop, this 11,000 square foot estate is a triumph of design and lifestyle, curated for the discerning few. A tree-canopied approach winds past still waters arriving at a circular drive, sweeping archways and grand portico that rises like a timeless sculpture from the verdant landscape. Every artisan detail from the grand gallery hall and soaring timber-beamed ceilings to the hand-chiseled stone and luminous lighting has been conceived to evoke awe and inspiration. The reimagined William Ohs kitchen is a culinary celebration of form and function, wrapped in Taj Mahal quartzite and bespoke walnut cabinetry, anchored by a chef’s suite of Sub-Zero and Wolf appliances. Impressing with 22-foot ceilings and a monumental stone fireplace, the great room invites both intimate gatherings and grand entertaining. Walls of glass slide away to reveal heated terraces with fireplaces and unforgettable views. The main level primary suite is a private haven of indulgence, with a lake-facing soaking tub, dual water closets, steam shower, morning bar and couture-worthy dressing rooms. Upstairs, two luxe suites enjoy their own vistas, while the third-floor Sky Loft offers a 270° panorama perfect for creativity and reflection. The walk-out lower level is a destination in itself with billiards and media lounges, a stunning bar, spa room, private gym, and guest quarters. Beyond, layered patios and terraces, a putting green and private dock invite outdoor living in all seasons. With seven garage bays, Savant smart home integration and a setting that bridges Boulder and Denver, this is not merely a residence, it’s a legacy of artful living.
For sale
$7,500,000
1820 Mallard Drive, Broomfield, CO 80020
5beds
10,584sqft
Est.:
Single Family Residence
Built in 2014
1.06 Acres Lot
$-- Zestimate®
$709/sqft
$500/mo HOA
What's special
- 61 days
- on Zillow |
- 1,630 |
- 102 |
Zillow last checked: 7 hours ago
Listing updated: May 27, 2025 at 11:43am
Listed by:
Stephanie Iannone 303-641-7484,
Compass Colorado, LLC - Boulder,
Melinda Nassar 720-530-5019,
Compass Colorado, LLC - Boulder
Source: REcolorado,MLS#: 2203457

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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 5
- Bathrooms: 7
- Full bathrooms: 2
- 3/4 bathrooms: 2
- 1/2 bathrooms: 3
- Main level bathrooms: 3
- Main level bedrooms: 1
Primary bedroom
- Description: The Primary Suite Is A Private Haven, Where Vaulted Ceilings And A Stone Fireplace And Hearth Set A Tone Of Quiet Luxury, While Dramatic Wallpaper, An Exquisite Chandelier And Abundant Natural Light Enhance The Elevated Atmosphere. Oversized Windows Perfectly Frame Sweeping Lake And Mountain Views That Greet You Each Morning, While Dual Remote-Controlled Blinds Offer Effortless Privacy. A 75” Tv With Integrated Surround Sound Elevates The In-Room Experience, Making This A True Retreat.
- Level: Main
- Area: 320 Square Feet
- Dimensions: 16 x 20
Bedroom
- Description: The Upper Level Offers Two Generously Proportioned Bedroom Suites, Each With A Private Bath And Stunning Views. This Suite, With Windows Overlooking The Glistening Lake, Captures The Tranquil Beauty Of The Water.
- Level: Upper
- Area: 352 Square Feet
- Dimensions: 22 x 16
Bedroom
- Description: Extensive Storage Solutions And Custom-Built Organization Systems Ensure Everything Has Its Place, Making This Lower Level As Functional As It Is Aesthetically Appealing.
- Level: Basement
- Area: 546 Square Feet
- Dimensions: 26 x 21
Bedroom
- Description: Two Generously Appointed Bedrooms Share An Ideally Designed Jack-And-Jill Bath, Complete With Individual Vanities And Lavatories And A Private Shower Room.
- Level: Basement
- Area: 252 Square Feet
- Dimensions: 14 x 18
Bedroom
- Description: This Suite Enjoys Direct Access To The Covered Mezzanine Balcony, Where Mountain Vistas Stretch To The Horizon, Creating A Serene Respite.
- Level: Upper
- Area: 432 Square Feet
- Dimensions: 24 x 18
Primary bathroom
- Description: The Adjoining Spa-Inspired Bath Is A Sanctuary Unto Itself, Featuring The Ultimate In Privacy With Dual Lavatory Rooms. A Freestanding Soaking Tub Overlooking The Lake Invites Reflection And Relaxation, While The Steam Shower, Complete With A Center Rain Head, Dual Side Rain Heads, And A Handheld Wand, Provides A Truly Immersive Experience. Bespoke Vanities, Including A Dedicated Beauty Vanity With A Quartz Specialty Sink, Cater To Every Need, While Arched Built-Ins With Glass Shelves Offer A Beautiful Display For All Your Bath Essentials. Completing This Restorative Retreat Are Two Private Closets, Both With Custom Organizers For Ties, Belts, Hats, And Shoes, Catering To Every Wardrobe Need And One With A Center Island And Washer And Dryer For The Ultimate Convenience. An Integrated Coffee Bar With A Mini Fridge Energizes Your Mornings Or Offers A Quick Refresh Before An Evening Out.
- Level: Main
- Area: 608 Square Feet
- Dimensions: 32 x 19
Bathroom
- Description: This Stylish Ensuite Bath Features A Sleek Tub Framed With Classic Tile Wainscoting, Paired With A Modern Vanity And Contemporary Light Fixtures That Elevate The Space With Clean, Sophisticated Lines.
- Level: Upper
- Area: 72 Square Feet
- Dimensions: 12 x 6
Bathroom
- Description: Leaving A Lasting Impression, The Powder Bathroom Is A Statement In Decadence, Where Every Glance Reveals Another Carefully Considered Detail, And Each Element Comes Together To Create A Truly Unforgettable Experience. A Dramatic Spherical Cluster Chandelier Illuminates The Room With A Warm, Artistic Radiance, Its Orbs Of Glass Suspended Like A Constellation, While Matching Sconces Provide Another Layer Of Ambient Light, Creating A Truly Transcendent Atmosphere. The Floating Quartz Vanity, With Its Integrated Sink, Appears To Hover Gracefully Against Custom Wainscoting, Its Polished Surface Reflecting The Soft, Diffused Light. Overhead, The Coved Ceilings Add A Touch Of Architectural Intrigue, Their Gentle Curves Lending A Sense Of Elegance And Volume To The Space.
- Level: Main
- Area: 143 Square Feet
- Dimensions: 13 x 11
Bathroom
- Description: A European Pub–inspired Powder Bath Serves The Basement Guests, Showcasing Ornate Wallpaper, A Furniture-Style Vanity, And Vintage-Style Fixtures That Evoke Warmth, Charm, And Timeless Character.
- Level: Basement
- Area: 88 Square Feet
- Dimensions: 11 x 8
Bathroom
- Description: This Elegant Ensuite Bath Is Designed For Both Style And Function, Showcasing A Glass-Enclosed Shower With Designer Tile Surround, A Sleek Modern Vanity, And Statement Lighting That Adds A Refined, Contemporary Touch.
- Level: Upper
- Area: 90 Square Feet
- Dimensions: 10 x 9
Bathroom
- Description: A Conveniently Located Powder Bath With A Restoration Hardware Vanity And Custom Wainscotting Serves The Organizational Wing.
- Level: Main
- Area: 42 Square Feet
- Dimensions: 6 x 7
Bathroom
- Description: A Thoughtfully Designed Jack-And-Jill Bathroom Connects The Secondary Bedrooms, Featuring Separate Vanities, Sinks, And Private Toilet Rooms On Each Side For Maximum Privacy. At The Center, A Shared Shower Room Offers A Streamlined And Functional Space, Perfect For Busy Households.
- Level: Basement
- Area: 198 Square Feet
- Dimensions: 9 x 22
Dining room
- Description: Beneath A Cross-Beamed Ceiling, The Formal Dining Room Sets The Stage For Unforgettable Gatherings, Where The Soft Glow Of A Restoration Hardware Chandelier And Ethereal Mood Lighting Create An Intimate, Refined Atmosphere. Two Sets Of Arched French Doors Open Gracefully To The Front Veranda, Inviting Gentle Breezes And Offering Views Of The Panoramic Mountainscape, Naturally Blending Indoor And Outdoor Living. Every Detail, From The Textured Glass Cabinetry, Wine Cooler, And Sink In The Nearby Butler’s Pantry To The Quartzite Counters And Carefully Curated Lighting, Has Been Thoughtfully Considered, Ensuring Each Meal Becomes A Moment To Be Savored.
- Level: Main
- Area: 260 Square Feet
- Dimensions: 20 x 13
Exercise room
- Description: Designed With Wellness In Mind, The Dedicated Exercise Room Features Mirrored Walls That Amplify Natural Light And Provide The Ideal Environment For Both High-Intensity Workouts And Mindful Movement.
- Level: Basement
- Area: 315 Square Feet
- Dimensions: 15 x 21
Family room
- Description: An Entertainer’s Dream, The Expansive Walk-Out Lower Level Is Where Refined Elegance Meets Unbridled Fun. The Full-Service Bar, With Seating For Twelve, Is A True Centerpiece For Entertaining, Making A Bold Statement With Its Striking Black Artisan Granite, Rich With Copper Veining. Glass Cabinets Provide A Stylish Showcase For Curated Spirits, While A Dishwasher, A Refrigerator, And A Wine Chiller Ensure Every Glass Is Perfectly Chilled And Every Celebration Seamlessly Supported.
- Level: Basement
- Area: 1302 Square Feet
- Dimensions: 31 x 42
Game room
- Description: A Destination Where Laughter, Competition, And Relaxation Come Together, This Vibrant Space Includes A Sophisticated Game Area, Anchored By A Professional-Grade Pool Table With Raised Spectator Seating And Built In Cabinetry That Discreetly Houses Every Accessory. Just Steps Away, A Dedicated Shuffleboard Zone, Enhanced By Tailored Lighting And An Integrated Scoreboard, Sets The Stage For Friendly Rivalries And Unforgettable Moments.
- Level: Basement
Great room
- Description: The Pinnacle Of Architectural Drama, The Great Room Soars Beneath An Impressive 22-Foot Ceiling Crowned By Massive, Hammered Timber Beams And A $72,000 Hand-Forged Iron Chandelier That Casts A Warm, Sculptural Glow Over The Voluminous Space. Anchored By A Towering Limestone Fireplace And Two Story Stone Wall, This Grand Gathering Place Exudes Both Warmth And Sophistication. Marble Columns Add A Touch Of Classic Grandeur, While Built-In Vitrines Provide The Perfect Showcase For Curated Collections. An Integrated Entertainment Wall, Complete With An 85” Tv And Surround Sound, Adds A Modern Touch To This Timeless Setting, Ensuring The Space Is As Functional As It Is Beautiful. Two Sets Of Double Doors Open To The Sprawling Main Level Terrace, Inviting A Fluid Transition Between Indoor Elegance And Outdoor Splendor.
- Level: Main
- Area: 560 Square Feet
- Dimensions: 20 x 28
Kitchen
- Description: The State-Of-The-Art William Ohs Kitchen Stands As An Illustration Of Form And Function, Designed To Inspire Culinary Artistry. Dual Sub-Zero Refrigerators And Freezers, A Professional-Grade Wolf 48" Range With Six Burners And Griddle, And Two Dishwashers Cater To The Most Ambitious Chefs, While Custom Walnut Cabinetry Crafted With Thoughtful Pullouts And Custom Organizers Adds A Touch Of Warmth And Refinement. Striking Taj Mahal Quartzite Countertops, Paired With A Full Slab Backsplash, Reflect The Glow Of Ambient Lighting And Serve As Both A Durable Work Surface And A Captivating Visual Anchor. The Expansive Two-Level Island, With Its Hidden Prep Sink And Seating For Six, Invites Both Casual Gatherings And Grand Entertaining, Flawlessly Blending Practicality With Luxury. Concealed Behind Custom Pocket Doors, The Adjacent Walk In Pantry Offers Ample Storage With Built-In Shelving And Thoughtful Organizational Features For All Your Kitchen Essentials.
- Level: Main
- Area: 420 Square Feet
- Dimensions: 20 x 21
Laundry
- Description: The Full-Sized Laundry Room Combines Function With Finesse, Featuring A Deep Utility Sink, Side-By-Side Washer And Dryer, And Abundant Cabinetry To Neatly House All Your Cleaning Supplies. Direct Access To The One-Car Garage Reveals A Bonus Tailored For Pet Lovers: A Custom Grooming Station Complete With A Deep Wash Sink And Built-In Blow Dryer.
- Level: Main
- Area: 96 Square Feet
- Dimensions: 12 x 8
Loft
- Description: Perched High Above The Rest Of The Home On Its Own Third Floor Level, The Sky Loft Is A True Getaway In The Clouds, Where Nine Gracefully Arched Windows Frame An Awe-Inspiring 270° Panorama Of Shimmering Lake Waters And Snow-Capped Mountain Peaks. Golden Sunlight Spills Across The Warm, Hardwood Floors, Casting A Welcoming Glow That Enhances The Character Of The Trussed Ceiling Above. This Elevated Haven Is A Canvas For Creativity And Reflection, Perfect For Quiet Mornings Of Yoga, Afternoons Lost In A Favorite Novel, Or Evenings Spent Sketching As The Light Shifts Over The Mountains. Surrounded By Nature’s Most Dramatic Landscapes, Every Moment In This Space Feels Uniquely Inspired, Inviting You To Make It Your Own.
- Level: Upper
- Area: 195 Square Feet
- Dimensions: 13 x 15
Media room
- Description: A Built-In Media Center Transforms The Lower Level Great Room Into The Ultimate Space For Game Day Excitement And Thrilling Movie Premieres.
- Level: Basement
Mud room
- Description: Tucked Mindfully Away From The Main Living Spaces, The Home’s Organizational Wing Is A Masterclass In Purposeful Design And Everyday Luxury. A Welcoming Mudroom Greets You With A Built-In Bench, Hooks, Cubbies, And A Generous Closet Creating The Ideal Drop Zone For Shoes, Coats, And Keys.
- Level: Main
- Area: 84 Square Feet
- Dimensions: 12 x 7
Office
- Description: Exuding Both Character And Grounded Sophistication, The Refined Main Level Office, With A Hand Hewn Beamed Ceiling Adding A Touch Of Timeless Design, Is A Space For Inspiration And Productivity. Sunlight Pours In Through French Doors That Open To The Front Courtyard, Bathing The Rich Hardwood Floors In A Warm, Inviting Glow And Creating An Effortless Connection To The Outdoors. From This Thoughtfully Positioned Vantage Point, Stunning Views Of Longs Peak Provide A Constant Source Of Inspiration, Allowing Ideas To Flourish And Making Every Workday Feel A Bit More Enriched. A Discreet Closet Adds Functional Storage, Keeping The Space Both Practical And Uncluttered.
- Level: Main
- Area: 300 Square Feet
- Dimensions: 20 x 15
Sun room
- Description: A Top-Of-The-Line Caldera Hot Tub Invites Indulgent Relaxation, Set Against A Dramatic Stone Accent Wall And Surrounded By Floor-To-Ceiling Glass Doors That Flood The Space With Natural Light. A Wall-Mounted Television Adds A Touch Of Modern Comfort, Transforming The Spa Into A Private Wellness Sanctuary.
- Level: Basement
Utility room
- Level: Basement
- Area: 819 Square Feet
- Dimensions: 21 x 39
Utility room
- Description: Two Spacious Utility Rooms House The Central Systems And Mechanicals Of The Home, Offering Ample Space For Storage, Seasonal Décor, And The Essential 'brains' That Keep Everything Running Smoothly.
- Level: Basement
- Area: 840 Square Feet
- Dimensions: 42 x 20
Heating
- Forced Air, Natural Gas, Radiant Floor
Cooling
- Central Air
Appliances
- Included: Bar Fridge, Dishwasher, Disposal, Dryer, Freezer, Microwave, Oven, Range, Range Hood, Refrigerator, Warming Drawer, Washer, Wine Cooler
Features
- Audio/Video Controls, Built-in Features, Central Vacuum, Eat-in Kitchen, Entrance Foyer, Five Piece Bath, Granite Counters, High Ceilings, High Speed Internet, Jack & Jill Bathroom, Kitchen Island, Open Floorplan, Pantry, Primary Suite, Quartz Counters, Smart Thermostat, Smoke Free, Solid Surface Counters, Sound System, Stone Counters, T&G Ceilings, Vaulted Ceiling(s), Walk-In Closet(s), Wet Bar
- Flooring: Carpet, Tile, Wood
- Windows: Window Treatments, Window Coverings
- Basement: Exterior Entry,Finished,Full,Sump Pump,Walk-Out Access
- Number of fireplaces: 5
- Fireplace features: Basement, Gas, Great Room, Outside, Master Bedroom
Interior area
- Total structure area: 10,584
- Total interior livable area: 10,584 sqft
- Finished area above ground: 5,896
- Finished area below ground: 3,320
Video & virtual tour
Property
Parking
- Total spaces: 7
- Parking features: Circular Driveway, Dry Walled, Exterior Access Door, Floor Coating, Heated Garage, Insulated Garage, Lighted, Oversized, Oversized Door, Storage
- Attached garage spaces: 7
- Has uncovered spaces: Yes
Features
- Levels: Three Or More
- Patio & porch: Covered, Deck, Front Porch, Patio
- Exterior features: Balcony, Barbecue, Gas Grill, Gas Valve, Lighting, Private Yard
- Has spa: Yes
- Spa features: Steam Room, Spa/Hot Tub, Heated
- Has view: Yes
- View description: Lake, Meadow, Mountain(s)
- Has water view: Yes
- Water view: Lake
Lot
- Size: 1.06 Acres
- Features: Irrigated, Landscaped, Level, Many Trees, Sprinklers In Front, Sprinklers In Rear
Details
- Parcel number: R8860848
- Zoning: PUD
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Mountain Contemporary
- Property subtype: Single Family Residence
Materials
- Concrete, Frame, Stone, Stucco
- Foundation: Structural
- Roof: Concrete
Condition
- Updated/Remodeled
- Year built: 2014
Details
- Builder model: Custom
Utilities & green energy
- Electric: 220 Volts
- Sewer: Public Sewer
- Water: Public
- Utilities for property: Cable Available, Electricity Connected, Internet Access (Wired), Natural Gas Connected, Phone Available
Community & HOA
Community
- Security: Carbon Monoxide Detector(s), Security System, Smart Cameras, Smoke Detector(s), Water Leak/Flood Alarm
- Subdivision: Whistlepig
HOA
- Has HOA: Yes
- Amenities included: Gated, Trail(s)
- Services included: Road Maintenance, Snow Removal
- HOA fee: $500 monthly
- HOA name: Whistlepig
- HOA phone: 303-931-3039
Location
- Region: Broomfield
Financial & listing details
- Price per square foot: $709/sqft
- Tax assessed value: $3,420,460
- Annual tax amount: $21,129
- Date on market: 5/27/2025
- Listing terms: Cash,Conventional
- Exclusions: Sellers Personal Property And Staging Items.
- Ownership: Individual
- Electric utility on property: Yes
- Road surface type: Paved
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