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$5,995,000
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Property Description
This brand new net-zero Newlands masterpiece features breathtaking designer interiors and professionally landscaped grounds. Brought to you by Brown Development Group, this 5,893SF showplace embraces contemporary opulence with hardwood floors, Ann Sacks tile, premium fixtures and oversized windows that frame exquisite natural light. The thoughtfully designed indoor-outdoor layout begins with a foyer flanked by a study and formal dining room. Ahead, the living room is anchored by a gas fireplace and a wall of glass doors that open to a west-facing patio. Chefs will delight in the gourmet open kitchen where custom cabinetry surrounds state-of-the-art appliances by Sub-Zero, Wolf and Miele. Greet the day in the breakfast room, and enjoy the convenience of large storage and butler's pantries. A powder room and a mudroom/laundry room complete the main floor. Outside, the northeastern deck welcomes your next barbecue with a Lynx outdoor kitchen. The home's lavish accommodations begin on the upper level, where the owner's suite boasts a private balcony, fireplace, walk-in closet, and en suite spa bathroom. Three secondary suites enjoy roomy closets, private bathrooms and easy access to the expansive upper deck. A second laundry room adds convenience to this floor. Retreat to the lower level to explore an oversized family room, powder room and a wet bar. The spacious fitness room opens to an attached bath with a steam shower and built-in sauna. A secondary bedroom suite on this floor is perfect for guests or staff. An attached garage and wide driveway add generous off-street parking, while a 17.2kW solar system and -1 HERS Index Score ensure efficient year-round comfort and considerable cost savings in this magazine-worthy residence. This superb Newlands location is just minutes from North Boulder Park, excellent restaurants, Ideal Market, Boulder's legendary trail system as well as North Boulder, Downtown Boulder and Pearl Street amenities.
Full Property Details
Full Property Details for 515 Alpine Ave.
General
- Price: $5,995,000
- Taxes: $33,531 (2024)
- Status: Active
- Type: Single Family
- Source: IRES
- MLS ID: 1042948
- Updated: 12/17/2025
- Added to Site: 133 day(s) ago
Interior
- Interior Features: Eat-In Kitchen, Separate Dining Room, Cathedral Ceiling(s), Open Floorplan, Walk-In Closet(s), Sauna, Wet Bar, Kitchen Island
- Fireplace: Yes
- Fireplace(s): Living Room
- Appliances: No Inclusions
- Flooring: Wood
Rooms
Bathrooms
- Total Bathrooms: 8
- Full Bathrooms: 2
- 3/4 Bathrooms: 4
- Half Bathrooms: 2
- Basement Baths: 1
Bedrooms
- Total Bedrooms: 5
Exterior
- Exterior Features: Sprinkler System, Balcony
- Porch/Patio/Deck: Patio, Deck
Parking
- Garage: Yes
- Attached garage: Yes
- Garage Spaces: 2
- Garage Description: Attached
Location
- Area: Boulder
- County: Boulder
- Subdivision: Newlands
School Information
- School District: Boulder Valley Dist RE2
- Elementary School: Foothill
- Middle School: Casey
- High School: Boulder
Heating & Cooling
- Cooling Type: Central Air, Wall/Window Unit(s)
- Heating Type: Forced Air
Utilities
- Gas: Yes
- Gas: Xcel
- Water: City
- Utility Description: Natural Gas Available, Electricity Available
Structural Information
- Architectural Style: Contemporary
- Builder: Brown Development Group
- Construction: Stucco
- Exterior Const.: Stucco
- Basement: Yes
- Basement Desc.: Full
- Roof: Composition
- Square Feet: 5,893
- Sq. Ft. Source: Plans
- Living Area: 5,893 Sq. Ft.
- Year Built: 2025
Lot Features
- Property View: Hills, Plains View
- Lot Size (Acres): 0.23
- Lot Size (Sq. Ft.): 9,848
- Fence: Yes
- Potential Use: Single-Family
- Zoning: RES
- Fencing (Description): Fenced
Green Features
- Energy Efficient: High Efficiency Furnace
Financial Considerations
- Tax Amount: $33,531
- Tax Year: 2024
- Terms: Cash, Conventional
Disclosures and Reports
- Special Conditions: Private Owner
- Property ID: R0002519
Listed by Compass - Boulder (303) 487-5472
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Schools
Schools serving 515 Alpine Ave.
School District:Boulder Valley School District Re-2
| Name | Grades | Distance |
|---|---|---|
Foothill Elementary School 1001 Hawthorn Avenue, Boulder, CO 80304 | K-5 | 0.8 mi |
Casey Middle School 1301 High Street, Boulder, CO 80304 | 6-8 | 0.5 mi |
Boulder High School 1604 Arapahoe Avenue, Boulder, CO 80302 | 9-12 | 1.2 mi |
Disclaimer:
School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 515 Alpine Ave.
Date
Details
Price
Change
Source
9/05/2025
Listed
$5,995,000
408.07%
MLS
11/27/2023
Sold
$1,179,950
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 515 Alpine Ave.
Year
Property Taxes
Change
Tax Assessment
Change
2024
$33,531
342%
$381,533
316%
2023
$7,594
63%
$91,623
83%
2022
$4,646
5%
$50,033
-3%
2021
$4,431
—
$51,473
3%
2021
$4,431
74%
$50,050
37%
2018
$2,544
3%
$36,540
—
2017
$2,464
28%
$36,540
21%
2016
$1,929
6%
$30,248
—
2015
$1,827
-32%
$30,248
-23%
2014
$2,703
-26%
$39,402
-21%
2019
$3,677
39%
$50,050
27%
2013
$2,644
—
$39,402
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 515 Alpine Ave.
515 Alpine Ave, Boulder, CO 80304 (MLS# 1042948) is a Single Family property with 5 bedrooms, 2 full bathrooms and 6 partial bathrooms. 515 Alpine Ave is currently listed for $5,995,000 and was received on September 04, 2025. Want to learn more about 515 Alpine Ave? Do you have questions about finding other Single Family real estate for sale in Boulder? You can browse all Boulder real estate or contact a Coldwell Banker agent to request more information.

