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$5,300,000
2 Days On Site

800 Kalmia Ave
Boulder, CO 80304

For Sale|Single Family Residence|Active
4
Beds
6
Total Baths
2
Full Baths
4
Partial Baths
3,982
SqFt
$1,331
/SqFt
1981
Built
Subdivision:
Kalmia
County:
Boulder

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800 Kalmia Ave800 Kalmia Ave800 Kalmia Ave800 Kalmia Ave
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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.

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Listing Snapshot
Price 
$5,300,000
Days On Site 
2 Days
Bedrooms 
4
Inside Area (SqFt) 
3,982 sqft
Total Baths 
6
Full Baths 
2
Partial Baths 
4
Lot Size 
0.47 Acres
Year Built 
1981
MLS® Number 
1041862
Status 
Active
Property Tax 
$14,540
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
Other
Friends & Family
Recent Activity
yesterdayListing updated with changes from the MLS®
2 days agoStatus changed to Active
3 days agoListing first seen on site
General Features
Acres 
0.47
Additional Property Use 
Single Family
Direction Faces 
West
Garage 
Yes
Garage Spaces 
3
Number Of Stories 
2
Parking 
OversizedDetached
Property Sub Type 
Single Family Residence
Security 
Smoke Detector(s)
Sewer 
Public Sewer
SqFt Above 
3982
SqFt Total 
3982
Stories 
Two
Utilities 
Natural Gas AvailableElectricity Available
Water Source 
Public
Zoning 
RES
Interior Features
Appliances 
Double OvenDishwasherRefrigeratorBar FridgeWasherDryerMicrowaveDisposalOven
Basement 
None
Cooling 
Central Air
Fireplace 
Yes
Fireplace Features 
GasLiving Room
Heating 
Radiant
Interior 
Eat-in KitchenOpen FloorplanPantryWalk-In Closet(s)Kitchen IslandHigh CeilingsCathedral Ceiling(s)
Laundry Features 
SinkUpper Level
Window Features 
Wood FramesSkylight(s)
Bedroom 2 
Dimensions - 13x12Level - UpperArea - 156Description - Wood Floor
Bedroom 3 
Dimensions - 14x12Level - UpperArea - 168Description - Wood Floor
Bedroom 4 
Dimensions - 11x12Level - MainArea - 132Description - Wood Floor
Kitchen 
Dimensions - 20x9Level - MainArea - 180Description - Wood Floor
Laundry 
Dimensions - 7x8Description - Tile
Living Room 
Dimensions - 23x21Level - MainArea - 483Description - Wood Floor
Master Bathroom 
Description - Full Primary Bath,Luxury Features Primary Bath
Master Bedroom 
Dimensions - 20x13Level - UpperArea - 260Description - Wood Floor
RecRoom 
Dimensions - 24x29
Study 
Dimensions - 13x12Level - Main
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Exterior Features
Construction Details 
Wood Siding
Fencing 
PartialWood
Lot Features 
WoodedLevel
Patio And Porch 
Patio
Roof 
Composition
Windows/Doors 
Wood FramesSkylight(s)
Community Features
Financing Terms Available 
CashConventional
MLS Area 
Boulder
School District 
Boulder Valley Dist RE2
Schools
School District
Boulder Valley Dist RE2
Elementary School
Foothill
Middle School
Centennial
High School
Boulder
Listing courtesy of Compass - Boulder


Compensation information displayed on listing details is only applicable to other participants and subscribers of the source MLS.

Information source: Information and Real Estate Services, LLC. Information deemed reliable but not guaranteed by the MLS. Listing information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Provided for limited non-commercial use only under IRES Rules © Copyright IRES. Digital Millenium Copyright Act

Last checked 2025-08-23 01:12 AM MST.

Neighborhood & Commute
Source: Walkscore
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