SOUTH BOULDER NET ZERO ENERGY HOME - ENJOY SAVINGS & INCOME POTENTIAL! Save thousands of dollars in energy bills in this stunning, award-winning home designed / built by a solar energy expert. Solar PV panels provide home's (free) electricity & solar thermal panels produce home's 150 degree (free) hot water. Passive solar design heats the home with free heat from the winter sun. (Radiant floor system serves as a backup.) Well-designed roof overhangs provide summer shade & cooling (backed up w/ energy-efficient evaporative cooling). Nice natural daylighting permeates the home.There's big income potential at this property w/ the Sundance Film Festival moving to Boulder: The entire house has a Boulder rental license. Or, use the private first floor for short-term rental income, or easily convert it into an ADU for long-term rental income. First floor features 2 bedrooms, a bathroom, a wet bar / kitchenette, and soundproof 'flex room' - a home theater, music rehearsal room, workout studio, or 5th bedroom. 2nd floor features spacious vaulted ceilings above an open floorplan living room/kitchen, 2 generous bedrooms, and another bathroom. A huge 300 sq ft 2nd floor deck provides breathtaking Flatirons views. Enchanting Santa Fe interior architecture features curves, arches, built-in's, custom tile, & natural wood doors & cabinets. Hand-made wood trim for windows, doors & baseboards. Custom accent lighting throughout. Superb insulation & windows = quiet, comfy living. Attached two-car carport protects vehicles. 3 backyard storage sheds / workshops & garden boxes complete this magical home in a great location near trails & amenities! *Awards from City of Boulder, Boulder County, & Colorado Renewable Energy Society.*
For sale
$1,495,000
265 31st St, Boulder, CO 80305
4beds
2,349sqft
Est.:
Residential-Detached, Residential
Built in 1985
7,148 Square Feet Lot
$1,434,200 Zestimate®
$636/sqft
$-- HOA
What's special
Santa fe interior architectureGarden boxesBackyard storage shedsFlatirons viewsNatural daylightingRadiant floor systemCustom tile
- 24 days
- on Zillow |
- 894 |
- 38 |
Zillow last checked: 7 hours ago
Listing updated: May 28, 2025 at 06:04am
Listed by:
Dunbar Hardy 303-733-5335,
Porchlight RE Group-Boulder
Source: IRES,MLS#: 1033175

Travel times
Tour with a buyer’s agent
Tour with a buyer’s agent
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 2
- Full bathrooms: 1
- 3/4 bathrooms: 1
- Main level bedrooms: 2
Primary bedroom
- Area: 169
- Dimensions: 13 x 13
Bedroom 2
- Area: 143
- Dimensions: 13 x 11
Bedroom 3
- Area: 120
- Dimensions: 12 x 10
Bedroom 4
- Area: 99
- Dimensions: 11 x 9
Dining room
- Area: 72
- Dimensions: 9 x 8
Family room
- Area: 345
- Dimensions: 23 x 15
Kitchen
- Area: 99
- Dimensions: 11 x 9
Living room
- Area: 234
- Dimensions: 18 x 13
Heating
- Hot Water, Wood Stove, Zoned, Radiant, 2 or More Heat Sources
Cooling
- Evaporative Cooling, Ceiling Fan(s)
Appliances
- Included: Electric Range/Oven, Dishwasher, Refrigerator, Bar Fridge, Washer, Dryer, Disposal
- Laundry: Washer/Dryer Hookups
Features
- High Speed Internet, Eat-in Kitchen, Cathedral/Vaulted Ceilings, Open Floorplan, Walk-In Closet(s), Wet Bar, Kitchen Island, Sunroom, Sun Space, Open Floor Plan, Walk-in Closet, Media Room
- Flooring: Carpet
- Windows: Window Coverings, Sunroom, Double Pane Windows
- Basement: None,Crawl Space,Retrofit for Radon
- Has fireplace: Yes
- Fireplace features: Living Room
Interior area
- Total structure area: 2,349
- Total interior livable area: 2,349 sqft
- Finished area above ground: 2,349
- Finished area below ground: 0
Property
Parking
- Total spaces: 2
- Parking features: Garage, Carport
- Garage spaces: 2
- Has carport: Yes
- Details: Garage Type: Carport
Accessibility
- Accessibility features: Level Lot, Level Drive, Main Floor Bath, Accessible Bedroom
Features
- Levels: Two
- Stories: 2
- Patio & porch: Deck
- Exterior features: Balcony
- Fencing: Partial,Fenced
- Has view: Yes
- View description: Hills, City
Lot
- Size: 7,148 Square Feet
- Features: Curbs, Gutters, Sidewalks, Level, Within City Limits
Details
- Additional structures: Storage
- Parcel number: R0001860
- Zoning: RES
- Special conditions: Private Owner
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Contemporary/Modern
- Property subtype: Residential-Detached, Residential
Materials
- Wood/Frame
- Roof: Composition
Condition
- Not New, Previously Owned
- New construction: No
- Year built: 1985
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, Cable Available, Trash: Western Disposal
Green energy
- Energy efficient items: Southern Exposure
- Water conservation: Solar Domestic Hot Water, Efficient Hot Water Distribution
Community & HOA
Community
- Subdivision: Highland Park 1
HOA
- Has HOA: No
Location
- Region: Boulder
Financial & listing details
- Price per square foot: $636/sqft
- Tax assessed value: $945,600
- Annual tax amount: $5,244
- Date on market: 5/6/2025
- Listing terms: Cash,Conventional
- Exclusions: Seller's Personal Possessions And Staging Items
- Electric utility on property: Yes
- Road surface type: Paved, Concrete
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