A rare and versatile opportunity in the heart of West Boulder's beloved Newlands neighborhood. Set on an expansive 8,400-square-foot lot, this duplex-zoned property directly borders North Boulder Park, offering an exceptional canvas for redevelopment or a custom home in one of the city's most sought-after enclaves. The existing cottage includes a welcoming wraparound front porch, hardwood floors, and a flexible walk-out lower level with a private entrance and second kitchen-ideal for rental income or multi-unit living as you plan your future project. The true value of this property lies in its unbeatable location. With North Boulder Park as your backyard, enjoy year-round recreation, from summer picnics and sports fields to groomed cross-country ski trails in winter. Just minutes away, you'll find Ideal Market, renowned dining, and the vibrant energy of Pearl Street, while nearby Mount Sanitas offers world-class hiking and outdoor adventure. An incredible setting, limitless potential, and a premier Boulder address-this is a rare opportunity to secure a coveted piece of real estate in one of the city's most desirable neighborhoods.
Sold
$1,000,000
635 Alpine Ave, Boulder, CO 80304
3beds
1,906sqft
Residential-Detached, Residential
Built in 1909
8,414 sqft lot
$1,000,000 Zestimate®
$525/sqft
$-- HOA
What's special
Zillow last checked: 7 hours ago
Listing updated: May 23, 2025 at 08:39am
Listed by:
The Zach Zeldner Team 720-480-7650,
Compass - Boulder,
Ethan Bullock 303-501-4959,
Compass - Boulder
Bought with:
The Zach Zeldner Team
Compass - Boulder
Source: IRES,MLS#: 1028307

Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 3
- Bathrooms: 2
- Full bathrooms: 1
- 3/4 bathrooms: 1
- Main level bedrooms: 2
Primary bedroom
- Area: 108
- Dimensions: 9 x 12
Bedroom 2
- Area: 81
- Dimensions: 9 x 9
Bedroom 3
- Area: 153
- Dimensions: 17 x 9
Dining room
- Area: 120
- Dimensions: 10 x 12
Family room
- Area: 121
- Dimensions: 11 x 11
Kitchen
- Area: 80
- Dimensions: 10 x 8
Living room
- Area: 143
- Dimensions: 11 x 13
Heating
- Forced Air
Cooling
- Ceiling Fan(s)
Appliances
- Included: Electric Range/Oven, Refrigerator, Washer, Dryer, Microwave
- Laundry: Main Level
Features
- In-Law Floorplan, Separate Dining Room
- Flooring: Wood, Wood Floors, Vinyl
- Windows: Window Coverings, Double Pane Windows
- Basement: Full,Walk-Out Access
Interior area
- Total structure area: 1,906
- Total interior livable area: 1,906 sqft
- Finished area above ground: 1,906
- Finished area below ground: 0
Property
Parking
- Total spaces: 1
- Parking features: Garage
- Garage spaces: 1
- Details: Garage Type: Detached
Features
- Levels: Two
- Stories: 2
- Fencing: Fenced,Wood
Lot
- Size: 8,414 sqft
- Features: Corner Lot, Abuts Park
Details
- Parcel number: R0005377
- Zoning: RES
- Special conditions: Private Owner
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Residential-Detached, Residential
Materials
- Wood Siding
- Roof: Composition
Condition
- Not New, Previously Owned
- New construction: No
- Year built: 1909
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
Green energy
- Energy efficient items: Southern Exposure
Community & neighborhood
Location
- Region: Boulder
- Subdivision: Newlands
Other
Other facts
- Listing terms: Cash,Conventional
Services availability

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