
503 Kalmia Ave Boulder, CO 80304
Newlands NeighborhoodEstimated payment $25,274/month
Highlights
- Parking available for a boat
- Home Theater
- 0.57 Acre Lot
- Foothill Elementary School Rated A
- Waterfall on Lot
- Open Floorplan
About This Home
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 pivoting wood door into a sun-drenched great room with soaring vaulted ceilings, a statement fireplace, and warm maple hardwood flooring. Walls of glass frame the open-concept living space, seamlessly connecting to an expansive rear deck-an entertainer's dream.The chef's kitchen features custom cabinetry, waterfall stone island, tile backsplash, walk-in pantry, a Wolf range, and a Sub-Zero refrigerator-offering both form and function in equal measure. A cozy library lounge leads to a versatile home office or fifth bedroom with direct access to the front patio. The main-level primary suite is a private retreat with a generous walk-in closet and a spa-inspired en suite bathroom. On the lower level, a fully finished space includes a media room, fitness area, and guest suite-perfect for everyday living or hosting visitors.The beautifully landscaped grounds are surrounded by 40-50' evergreens and enhanced by natural boulders, stone patios, a seasonal ditch, water feature, and multiple serene seating areas. A bonus heated studio offers flexible use as a gym, art studio, or private office. Additional highlights include an attached two-car garage, ample guest parking, and a showstopping gated driveway. Located in the coveted Newlands neighborhood with close proximity to North Boulder shops, downtown, open space, hiking trails, and top-rated schools, this extraordinary home offers the ultimate blend of luxury, privacy, and convenience. Be sure to view the virtual tour and listing video-this one is not to be missed.
Home Details
Home Type
- Single Family
Est. Annual Taxes
- $28,250
Year Built
- Built in 1978
Lot Details
- 0.57 Acre Lot
- Fenced
- Level Lot
- Sprinkler System
- Landscaped with Trees
Parking
- 2 Car Attached Garage
- Oversized Parking
- Garage Door Opener
- Parking available for a boat
Home Design
- Contemporary Architecture
- Wood Frame Construction
- Metal Roof
Interior Spaces
- 5,381 Sq Ft Home
- 1-Story Property
- Open Floorplan
- Cathedral Ceiling
- Ceiling Fan
- Gas Fireplace
- Double Pane Windows
- Window Treatments
- Family Room
- Living Room with Fireplace
- Dining Room
- Home Theater
- Basement Fills Entire Space Under The House
- Fire and Smoke Detector
Kitchen
- Eat-In Kitchen
- Gas Oven or Range
- Microwave
- Dishwasher
- Kitchen Island
- Disposal
Flooring
- Wood
- Carpet
Bedrooms and Bathrooms
- 5 Bedrooms
- Walk-In Closet
- Primary bathroom on main floor
Laundry
- Laundry on main level
- Washer and Dryer Hookup
Outdoor Features
- Deck
- Patio
- Waterfall on Lot
- Separate Outdoor Workshop
- Outdoor Storage
Schools
- Foothill Elementary School
- Centennial Middle School
- Boulder High School
Utilities
- Forced Air Heating and Cooling System
- High Speed Internet
Community Details
- No Home Owners Association
- Foothills Subdivision
Listing and Financial Details
- Assessor Parcel Number R0077871
Map
Home Values in the Area
Average Home Value in this Area
Tax History
Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
---|---|---|---|---|
2025 | $28,250 | $289,982 | $170,769 | $119,213 |
2024 | $28,250 | $289,982 | $170,769 | $119,213 |
2023 | $27,760 | $321,446 | $189,262 | $135,869 |
2022 | $20,719 | $223,109 | $135,914 | $87,195 |
2021 | $19,757 | $229,529 | $139,825 | $89,704 |
2020 | $17,893 | $205,563 | $126,055 | $79,508 |
2019 | $17,619 | $205,563 | $126,055 | $79,508 |
2018 | $15,843 | $182,736 | $100,800 | $81,936 |
2017 | $15,347 | $202,025 | $111,440 | $90,585 |
2016 | $15,063 | $174,005 | $74,744 | $99,261 |
2015 | $14,264 | $135,320 | $59,700 | $75,620 |
2014 | $11,378 | $135,320 | $59,700 | $75,620 |
Property History
Date | Event | Price | Change | Sq Ft Price |
---|---|---|---|---|
07/23/2025 07/23/25 | For Sale | $4,150,000 | +37.2% | $771 / Sq Ft |
05/20/2020 05/20/20 | Off Market | $3,025,000 | -- | -- |
10/07/2019 10/07/19 | Off Market | $2,875,000 | -- | -- |
02/20/2019 02/20/19 | Sold | $3,025,000 | -4.0% | $592 / Sq Ft |
01/25/2019 01/25/19 | Pending | -- | -- | -- |
01/18/2019 01/18/19 | For Sale | $3,150,000 | +9.6% | $616 / Sq Ft |
07/09/2018 07/09/18 | Sold | $2,875,000 | -10.2% | $594 / Sq Ft |
06/09/2018 06/09/18 | Pending | -- | -- | -- |
02/20/2018 02/20/18 | For Sale | $3,200,000 | -- | $661 / Sq Ft |
Purchase History
Date | Type | Sale Price | Title Company |
---|---|---|---|
Warranty Deed | $3,025,000 | First American Title | |
Warranty Deed | $2,875,000 | Heritage Title Co | |
Warranty Deed | $1,130,000 | None Available | |
Warranty Deed | $1,130,000 | None Available | |
Interfamily Deed Transfer | -- | None Available | |
Warranty Deed | $1,145,000 | First Colorado Title | |
Warranty Deed | $917,000 | Land Title Guarantee Company | |
Interfamily Deed Transfer | -- | -- |
Mortgage History
Date | Status | Loan Amount | Loan Type |
---|---|---|---|
Previous Owner | $1,000,000 | Commercial | |
Previous Owner | $841,000 | New Conventional | |
Previous Owner | $877,000 | New Conventional | |
Previous Owner | $904,000 | New Conventional | |
Previous Owner | $801,500 | Purchase Money Mortgage | |
Previous Owner | $733,600 | New Conventional | |
Previous Owner | $610,000 | Fannie Mae Freddie Mac |
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Source: IRES MLS
MLS Number: 1039841

APN: 1461241-00-039
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