2237 4th Street
Boulder, CO, 80302 $ 3,490,000
Bedrooms4 Baths4.1 Sq 3,950 Monthly Estimate*
$ 24,105
for $3,490,000 with 4 bedrooms and 4 full baths, 1 half bath. This 3,950 square foot home was built in 2003 on a lot size of 0.17.
Experience elevated Boulder living in this extraordinary Mapleton Hill residence, where sophisticated design, modern luxury, and an incredible connection to the outdoors come together beautifully. Light and bright throughout, expansive windows fill the home with natural light while capturing beautiful views from nearly every level. The sprawling open-concept kitchen is truly the heart of the home, featuring custom Tharp cabinetry, stunning Cristallo stone countertops, an oversized island, premium Forno appliances, wine fridge, and an expansive walk-in pantry. New 8-inch European French Oak flooring flows throughout, complemented by curated lighting and a striking custom metal staircase. An elevator provides convenient access to all three levels. The primary suite is a private retreat with dual walk-in closets, a private deck with gorgeous views, and a stunning spa-inspired bath featuring sleek modern finishes, abundant natural light, and views that create a peaceful escape. Three additional light-filled bedrooms offer wonderful space for family and guests, while a dedicated main-floor office provides the perfect work-from-home setting. The walk-out lower level is designed for wellness and entertaining with a private gym, custom sauna, steam shower, and versatile media room or optional additional bedroom. Outside, a private garden oasis backs directly to Sunshine Canyon Creek, creating a serene setting rarely found this close to downtown. Complete with a custom paver driveway, 4-car garage, all-new mechanical systems under warranty, and Class 4 impact-resistant roof. Just a five-minute walk to downtown Boulder and moments from world-class hiking trails, this remarkable home offers the best of Boulder living—luxury, views, nature, and walkability.
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FeaturesGeneralLiving Area 3950
Sewer Public Sewer
Heating Forced Air
Cooling Central Air
Roof Composition
Appliances Bar Fridge Dishwasher Disposal Refrigerator Self Cleaning Oven
Zoning SR
Garage Spaces 4
Patio/Porch Features Deck Patio
Architectural Style Contemporary
Construction Materials Frame Stone
Year Built 2003
View Mountain(s)
Levels Two
Property Subtype Single Family Residence
Parcel Number R0502234
County Boulder
Property Type Residential
HOA N
Attached Garage Y
Subdivision Name Mapleton
Facing Direction East
Full Baths 2
High School Boulder
City Boulder
Senior Community Y/N N
High School District Boulder Valley RE 2
Lot Size Units Square Feet
Lot Size Square Feet 7198
Carport Spaces 0
Elementary School Whittier Int'l
Property Attached Y/N N
Tax Annual Amount 24852
Middle/Junior High School Casey
Virtual Tour https://www.zillow.com/view-imx/4b259855-5788-4659-aa94-e9910ba87a20?initialViewType=pano
Standard Status Active
Middle/Junior School District Boulder Valley RE 2
Elementary School District Boulder Valley RE 2
Freehold IDX
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InteriorInterior Amenities Ceiling Fan(s) Eat-in Kitchen Five Piece Bath Kitchen Island Open Floorplan Pantry Sauna Smoke Free Vaulted Ceiling(s) Walk-In Closet(s)
Basement Full Walk-Out Access
Flooring Carpet Tile Wood
Total Fireplaces 1
Fireplace Features Great Room
Half Baths 1
1/4 Baths 0
3/4 Baths 2
Total Bedrooms 4
Total Baths 5
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ExteriorExterior Amenities Balcony
Parking Features Oversized Tandem
Lot Features Rolling Slope Sprinklers In Front
Water Source Public
Lot Size Area 7198
Lot Size Acres 0.17
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* Excluded FeaturesList Bytrent.stringari@gmail.com,719-371-3305Contact
Affordability Calculator
- Monthly Principal & Interest
- $24,105
- Monthly Property Taxes
- $2,071
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 7.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save NearbySingle family listings in Boulder, CO
Average List Price $2,235,424
Percent of Sale Price 36%
About Boulder, CO 102,151 Population
6% Since 2002
$ 65,436 Median Income
31.88 Median Age
18% Households with Children
Trends Information provided by ATTOM Data Solutions.
3043878 Elementary School
1955678 Middle School
Boulder High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 10/16/2026 | $3,490,000 | -5.03% | Price Down |
| 10/7/2026 | $3,675,000 | -2.00% | Price Down |
| 9/10/2026 | $3,750,000 | -3.82% | Price Down |
| 8/27/2026 | $3,899,000 | | Listed Price |