Tucked behind mature trees on one of North Boulder's most private streets, 800 Kalmia Avenue sits on a half-acre lot and is a newly transformed modern retreat that blends warmth, precision, and timeless design. Reimagined in 2024, the home showcases refined materials, elevated finishes, and foothill views throughout. A welcoming entry with custom built-ins and hidden storage sets the tone for the craftsmanship inside. At the center, a light-filled great room features wide-plank white oak floors with radiant heat, a paneled fireplace, skylights, and full-height glass doors that open to the outdoors. The chef's kitchen includes a Bluestar range, Thermador refrigeration, a marble-topped island, and unlacquered brass hardware. A walk-through butler's pantry adds prep and storage with an ice maker, beverage drawers, and wine storage. From the kitchen, a Dutch door and sliders connect to the backyard, where curated landscaping, a flat lawn, and foothill views create a private sanctuary. Flexible main-level spaces include a family room with built-ins, a stylish powder room with marble sink, and a guest suite that adjoins a versatile office, music room, or den. Upstairs, a landing leads to three en suite bedrooms. The vaulted primary suite captures southern light and mountain views. Its spa-like bathroom offers a soaking tub, steam shower, dual marble vanity, bidet toilet, and walk-in closet. Two additional bedrooms feature custom details such as Zellige tilework, bespoke vanities, and built-in bunk beds. The newly constructed detached three-car garage doubles as a multifunctional extension with a recreation room, kitchenette, laundry and gear-washing area. A stone patio just off the kitchen is plumbed for an outdoor fireplace, perfect for evenings under the stars. Set in a quiet enclave minutes from North Boulder's trailheads, parks, and shopping, 800 Kalmia Avenue offers refined living with privacy, versatility, and enduring design.
Coming soon
$5,300,000
800 Kalmia Ave, Boulder, CO 80304
4beds
3,982sqft
Est.:
Residential-Detached, Residential
Built in 1981
0.47 Acres Lot
$-- Zestimate®
$1,331/sqft
$-- HOA
What's special
- 16 hours
- on Zillow |
- 131 |
- 7 |
Zillow last checked: 7 hours ago
Listing updated: 21 hours ago
Listed by:
The Zach Zeldner Team 720-480-7650,
Compass - Boulder,
Zachary Zeldner 720-480-7650,
Compass - Boulder
Source: IRES,MLS#: 1041862

Travel times
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 6
- Full bathrooms: 2
- 3/4 bathrooms: 2
- 1/2 bathrooms: 2
- Main level bedrooms: 1
Primary bedroom
- Area: 260
- Dimensions: 20 x 13
Bedroom 2
- Area: 156
- Dimensions: 13 x 12
Bedroom 3
- Area: 168
- Dimensions: 14 x 12
Bedroom 4
- Area: 132
- Dimensions: 11 x 12
Kitchen
- Area: 180
- Dimensions: 20 x 9
Living room
- Area: 483
- Dimensions: 23 x 21
Heating
- Radiant
Cooling
- Central Air
Appliances
- Included: Gas Range/Oven, Double Oven, Dishwasher, Refrigerator, Bar Fridge, Washer, Dryer, Microwave, Disposal
- Laundry: Sink, Upper Level
Features
- Study Area, Eat-in Kitchen, Cathedral/Vaulted Ceilings, Open Floorplan, Pantry, Walk-In Closet(s), Kitchen Island, Steam Shower, Open Floor Plan, Walk-in Closet
- Flooring: Wood, Wood Floors, Tile
- Windows: Wood Frames, Skylight(s), Wood Windows, Skylights
- Basement: None
- Has fireplace: Yes
- Fireplace features: Gas, Living Room
Interior area
- Total structure area: 3,982
- Total interior livable area: 3,982 sqft
- Finished area above ground: 3,982
- Finished area below ground: 0
Video & virtual tour
Property
Parking
- Total spaces: 3
- Parking features: Oversized
- Garage spaces: 3
- Details: Garage Type: Detached
Features
- Levels: Two
- Stories: 2
- Patio & porch: Patio
- Fencing: Partial,Wood
- Has view: Yes
- View description: Hills
Lot
- Size: 0.47 Acres
- Features: Wooded, Level
Details
- Parcel number: R0071653
- Zoning: RES
- Special conditions: Private Owner
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Residential-Detached, Residential
Materials
- Wood Siding, Painted/Stained
- Roof: Composition
Condition
- Not New, Previously Owned
- New construction: No
- Year built: 1981
Utilities & green energy
- Electric: Electric, XCEL
- Gas: Natural Gas, XCEL
- Sewer: City Sewer
- Water: City Water, City of Boulder
- Utilities for property: Natural Gas Available, Electricity Available
Green energy
- Energy generation: Solar PV Owned
Community & HOA
Community
- Subdivision: Kalmia
HOA
- Has HOA: No
Location
- Region: Boulder
Financial & listing details
- Price per square foot: $1,331/sqft
- Tax assessed value: $2,524,400
- Annual tax amount: $14,540
- Date on market: 8/20/2025
- Listing terms: Cash,Conventional
- Exclusions: Seller's Personal Property.
- Electric utility on property: Yes
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