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For salePrice cut: $100K (7/9)
$4,150,000
5beds
5,381sqft

503 Kalmia Ave, Boulder, CO 80304

5beds
5,381sqft
Residential-detached, residential
Built in 1978
0.57 Acres
2 Attached garage spaces
$771 price/sqft

What's special

Dramatic illuminated gateWaterfall stone islandWater featureNatural bouldersGuest suiteMain-level primary suiteSoaring vaulted ceilings

Behind a dramatic illuminated gate on a lush 0.57-acre lot, this architecturally refined residence-remodeled by renowned architect Harvey Hine-embodies the pinnacle of modern luxury and design. A striking wood exterior, standing seam metal roof, and grand slate patio set the tone for the sophisticated living experience within. Enter through an oversized ...

18 days
on Zillow
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Source: IRES,MLS#: 1039841MLS Logo
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Travel times

Kitchen

Family Room

Dining Room

Zillow last checked: 7 hours ago

Listing updated: July 27, 2025 at 02:04am

Listed by:

Sara Groem 303-522-4184,

Open Real Estate

Source: IRES,MLS#: 1039841MLS Logo

Facts & features

Interior

Bedrooms & bathrooms
  • Bedrooms: 5
  • Bathrooms: 4
  • Full bathrooms: 3
  • 1/2 bathrooms: 1
  • Main level bedrooms: 4
Primary bedroom
  • Area: 256
  • Dimensions: 16 x 16
Bedroom 2
  • Area: 224
  • Dimensions: 16 x 14
Bedroom 3
  • Area: 238
  • Dimensions: 14 x 17
Bedroom 4
  • Area: 216
  • Dimensions: 12 x 18
Bedroom 5
  • Area: 225
  • Dimensions: 15 x 15
Dining room
  • Area: 195
  • Dimensions: 13 x 15
Family room
  • Area: 345
  • Dimensions: 15 x 23
Kitchen
  • Area: 238
  • Dimensions: 14 x 17
Living room
  • Area: 255
  • Dimensions: 17 x 15
Heating
  • Forced Air
Cooling
  • Central Air, Ceiling Fan(s)
Appliances
  • Included: Gas Range/Oven, Dishwasher, Refrigerator, Microwave, Disposal
  • Laundry: Washer/Dryer Hookups, Main Level
Features
  • High Speed Internet, Eat-in Kitchen, Separate Dining Room, Cathedral/Vaulted Ceilings, Open Floorplan, Pantry, Walk-In Closet(s), Kitchen Island, Open Floor Plan, Walk-in Closet, Media Room
  • Flooring: Wood, Wood Floors, Tile
  • Windows: Window Coverings, Double Pane Windows
  • Basement: Full,Partially Finished
  • Has fireplace: Yes
  • Fireplace features: Gas, Living Room
Interior area
  • Total structure area: 5,381
  • Total interior livable area: 5,381 sqft
  • Finished area above ground: 3,329
  • Finished area below ground: 2,052
Video & virtual tour

Property

Parking
  • Total spaces: 2
  • Parking features: Garage Door Opener, RV/Boat Parking, Oversized
  • Attached garage spaces: 2
  • Details: Garage Type: Attached
Accessibility
  • Accessibility features: Level Lot, Main Floor Bath, Accessible Bedroom, Main Level Laundry
Features
  • Stories: 1
  • Patio & porch: Patio, Deck
  • Fencing: Fenced
Lot
  • Size: 0.57 Acres
  • Features: Lawn Sprinkler System, Level, Abuts Ditch, Within City Limits, Waterfall
Details
  • Additional structures: Workshop, Storage
  • Parcel number: R0077871
  • Zoning: SFR
  • Special conditions: Private Owner

Construction

Type & style
  • Home type: SingleFamily
  • Architectural style: Contemporary/Modern,Ranch
  • Property subtype: Residential-Detached, Residential
Materials
  • Wood/Frame
  • Roof: Metal
Condition
  • Not New, Previously Owned
  • New construction: No
  • Year built: 1978

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, Trash: Western Disposal

Community & HOA

Community
  • Subdivision: Foothills
HOA
  • Has HOA: No
Location
  • Region: Boulder

Financial & listing details

  • Price per square foot: $771/sqft
  • Tax assessed value: $4,852,700
  • Annual tax amount: $28,250
  • Date on market: 7/23/2025
  • Listing terms: Cash,Conventional,FHA,VA Loan,1031 Exchange
  • Exclusions: Staging Furnishings And Personal Items
  • Electric utility on property: Yes
  • Road surface type: Paved, Concrete

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