Check Availability
$5,995,000
● House - For Sale

515 Alpine Ave

Boulder, CO 80304
bedrooms
5 Beds
bathrooms
2 Baths, 2 Half Baths
square feet
5,893 Ft²
$32,231
Est. Monthly
0.23%
Cap Rate

About This Property

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.
Unit Size
5,893 Ft²
Days on Market
-
Land Size
0.23 acres
Price per sqft
$1,017
Property Type
House
Property Taxes
$2,794
HOA Dues
-
Year Built
1900

Listed By

Patrick Brown
Compass - Boulder

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Last updated: 2 years ago (IRES MLS #1042948)

Price History

Date / Event Date Event Price
Sep 4, 2025 Listed by Coldwell Banker Realty 02 $5,995,000
Listed by Coldwell Banker Realty 02
Nov 30, 2023 Sold
Sold
Apr 10, 2023 Listed by Coldwell Banker Realty 02 $1,275,000
Listed by Coldwell Banker Realty 02

Property Highlights

Garage
Air Conditioning
Fireplace
Parking Details
Has Garage
Attached Garage
Garage Spaces: 2
Interior Details
Half Bathrooms: 2
Full Bathrooms: 2
Interior Features: Eat-in Kitchen, Open Floorplan, Walk-In Closet(s), Sauna, Wet Bar, Kitchen Island, Study Area, Separate Dining Room, Cathedral/Vaulted Ceilings
Flooring Type: Wood Floors
Laundry Features: Main Level
Has Fireplace
Fireplace Features: Living Room
Basement: Full
Exterior Details
Square Footage: 5893
Square Footage Source: $0
Property Condition: Under Construction
Architectural Style: Contemporary/Modern
Year Built: 2025
Builder Name: Brown Development Group
Building Area Total: 3449
Levels: Two
Construction Materials: Stucco
Patio and Porch Features: Patio, Deck
Lot Features: Lawn Sprinkler System
Lot Size Area: 9848
Lot Size Units: Square Feet
Lot Size Acres: 0.23
Lot Size Square Feet: 9848
Water Source: City Water, City of Boulder
Financial Details
Tax Annual Amount: $33,531
Utilities Details
Cooling Type: Central Air, Wall/Window Unit(s)
Heating Type: Forced Air

Building Info

Overview

    General

  • Year Built: 1900
  • Effective Year Built: 1950
  • Building Count: 1
  • Total Rooms: 5
  • Bedroom Count: 3
  • Bathroom Count: 1
  • Full Bathrooms: 1
  • Partial Bathrooms: 1
  • Building Condition: 2
  • Building Quality: 10
  • Construction Type: 6
  • Building Style: 2
  • Exterior Walls Type: 16
  • Interior Walls Type: 6
  • Roof Shape Type: 0
  • Roof Cover Type: 0
  • Floor Count: 200
  • Living Units: 1
  • Floor Cover: 0
  • Basement Type: 0
  • Basement Area: 0
  • Garage Type: 0
  • Parking Space Count: 0
  • Patio Type: 59
  • Porch Type: 77
  • Pool Type: 0

    Dimensions

  • Lot Size Square Feet: 9,848
  • Total Building Area: 932
  • Gross Building Area: 1,012
  • Building Area: 932
  • Building Area Measurement: L

    Heating and Cooling

  • Air Conditioning: 0
  • Heating: 7
  • Heated Square Feet: 932
  • Heating Fuel Type: 0

    Utilities

  • Sewer System: 0
  • Water Service: 0

Building

  • Building Type: 0
  • Property Class: R
  • Subdivision: NEWLANDS - BO
  • Land Acres: 0000000226
  • Standard Land Use Code: 1001
  • County Land Use Code: 1112
  • Legal Description 1: W 65 FT OF LOTS 17-22 BLK 36 NEWLANDS

Neighborhood

  • School District Name: Boulder Valley School District RE-2
  • Census Tract: 012101

Geography

  • Assessors Map Reference: B17-E
  • Account Number: R0002519
  • Parcel: R0002519
  • Block: 36
  • Lot: 17
  • Meridian: SEC 25 TWN 1N RNG 71
  • Municipality: BOULDER
  • Latitude: 40.0257
  • Longitude: -105.29

    Address

  • Full Address: 515 Alpine Ave
  • Address - House Number: 515
  • Address - Street Name: Alpine
  • Address - Suffix Type: Ave
  • State: CO
  • City Name: Boulder
  • Carrier Code: C073
  • 4-Digit Zip Code: 3210
  • Zip Code: 80304

Valuation

    Tax

  • Tax Year: 2022
  • Tax Amount: $464,626
  • Tax Rate Code Area: 00-010

    Appraisal Valuation

  • Standard Deviation: 0.0674
  • Valuation Date: Jan 17, 2024
  • Confidence Score: 96
  • Final Value: 1,198,579
  • High Value: 1,279,377
  • Low Value: 1,117,782

    Market Valuation

  • Market Total Value: $1,681,965
  • Market Land Value: $1,681,965

    Assessments Valuation

  • Assessed Year: 2023
  • Assessed Total Value: $113,785
  • Assessed Land Value: $113,785

    Sales

  • Current Sale Contract Date: Nov 27, 2023
  • Current Sale Recording Date: Nov 30, 2023
  • Current Sale Price:
  • Current Sale Document Type: 54
  • Current Sale Input Document Number: 4029846
Data used for valuation calculations is provided by RealtyHop, and other third party sources

Comparables

Unit
Status
Type
Beds
Baths
ft²
Price/ft²
Asking Price
Listed On
Closing Price
Sold On
HOA + Taxes

About Central Boulder


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Frequently Asked Questions

When was property at 515 Alpine Avenue built and last sold?
The property at 515 Alpine Avenue was built in 1900 and last sold on Nov 27, 2023 for $1,180,000.
How much is this home worth?
The estimated value of the home located at 515 Alpine Avenue is $6,054,950.
What are some comparable homes to 515 Alpine Avenue?
There are currently no comparable homes to 515 Alpine Avenue.