3123 3rd Street Boulder, CO ^$ 3,475,000

3123 3rd Street

^$ 3,475,000

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3123 3rd Street

Boulder, CO, 80304

^$ 3,475,000

Bedrooms4 Baths3.1 Sq 3,215

Monthly Estimate*

^$ 21,396

Listed by Compass - Boulder

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Single Family Home for sale in Boulder, CO

for $3,475,000 with 4 bedrooms and 3 full baths, 1 half bath. This 3,215 square foot home was built in 2010 on a lot size of 0.17.

Experience urban sophistication at the base of Mt. Sanitas in this stunning custom-built green home. Located in the highly sought-after Newlands neighborhood, this residence features a striking modern facade and bright, open living spaces designed to celebrate its premier location. Backing directly to protected open space, the property offers a rare personal sanctuary with world-class trail access right outside your back door. The interior is defined by high-quality finishes, gleaming hardwood floors, and thoughtfully placed oversized windows that flood the home with natural light while showcasing serene treetop views. The heart of the home is the upper level, where a chef-inspired open kitchen, dining area, and living room merge into a singular expansive space with spectacular views that transition effortlessly to the tranquil outdoor setting. The top-floor living areas offer a unique treehouse feel, opening seamlessly to a large deck and buff sandstone patios for high-end indoor-outdoor entertaining. In the backyard, the Silver Lake Ditch meanders through the patio and yard space, creating a soothing natural soundtrack that transitions beautifully into the foothills. The primary suite serves as a spa-inspired retreat with a five-piece bath and steam shower, while a dedicated rec room provides custom built-ins and an integrated television for relaxation. While the home feels remarkably private, it is perfectly positioned near Boulder's most popular hotspots. You are just steps from the Goat Trailhead and a short stroll from the expansive North Boulder Park. Convenience is at your fingertips with the Ideal Market shopping center nearby, home to local favorites like Santos, Sweet Cow Ice Cream, and Beleza Coffee. Plus, the iconic dining and shopping of the Pearl Street Mall are only minutes away, offering the ultimate Boulder lifestyle.

Single Family Active

Price

^$ 3,475,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 17,667

Style

Contemporary

Lot Size

0.17

Year Built

2010

Town/City

Boulder

County/Region

Boulder

MLS | Web ID

IR1057033

Features

Interior

Interior Amenities Eat-in Kitchen Kitchen Island Open Floorplan Walk-In Closet(s)

Basement None

Flooring Wood

Fireplace Features Gas Living Room

Basement (Y/N) N

Window Features Double Pane Windows Window Coverings

Above Grade Finished Area 3215

Half Baths 1

3/4 Baths 0

Total Bedrooms 4

Below Grade Finished Area 0

Main Level Bedrooms 3

Main Level Bathrooms 2

Total Baths 4

General

Sewer Public Sewer

Heating Radiant

Utilities Cable Available Electricity Available Natural Gas Available

Roof Membrane

Appliances Bar Fridge Dishwasher Disposal Dryer Microwave Oven Refrigerator Washer

Zoning Res

Garage Spaces 2

Patio/Porch Features Deck Patio

Architectural Style Contemporary

Construction Materials Stone Stucco

Exclusions Seller's personal property

Year Built 2010

View City Mountain(s)

Levels Three Or More

Property Subtype Single Family Residence

Tax Year 2025

Ownership Individual

County Boulder

Property Type Residential

HOA N

Attached Garage Y

Subdivision Name Newlands

Possible Use Residential

Full Baths 3

Status Active

Directions west on Evergreen to 3rd st. Right on 3rd to the property on the west side of 3rd.

High School Boulder

City Boulder

High School District Boulder Valley RE 2

Lot Size Square Feet 7295

Listing Terms Cash Conventional

Elementary School Foothill

Tax Annual Amount 17667

Middle/Junior High School Casey

Concessions No

Structure Type House

Standard Status Active

Occupancy Type Owner

Elementary School District Boulder Valley RE 2

Exterior

Exterior Amenities Balcony

Vegetation Wooded

Lot Features Open Space Rolling Slope

Water Source Public

Total Parking 2

Building Area Total 3215

Lot Size Acres 0.17

Road Surface Type Paved

Road Frontage Type Public

Internal Only

Street Number 1 3123

* Excluded Features

List By

Compass - Boulder

Broker

(720) 339-5033

Phone

Affordability Calculator

$22,868

Per Month

Monthly Principal & Interest: $21,396
Monthly Property Taxes: $1,472
Monthly Home Insurance: --

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Down Payment

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Default based on a 30-year fixed rate of 6.25% 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.

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Nearby

Trends
Schools

Single family listings in Boulder, CO

Average List Price ^$2,529,919

Percent of Sale Price 27%

About Boulder, CO

102,151 Population

6% Since 2002

^$65,436 Median Income

31.88 Median Age

18% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

1955676 Elementary School

1955678 Middle School

Boulder High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
4/21/2026	$3,475,000		Listed Price

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3123 3rd Street, Boulder, CO, 80304 is a Single Family Home for sale at $3,475,000 with 3,215 sqft and a lot size of 0.17. 3123 3rd Street has 4 bedrooms, 3.1 baths, and was built in 2010. The property's zip code is 80304 which is in Boulder, CO

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.25% 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.

The data relating to real estate on this web site comes in part from the Internet Data eXchange (IDX) Program of the REcolorado. Real estate listings held by firms other than Weichert Realtors are marked with the IDX logo and detailed information about them includes the Listing Broker’s Firm Name.

The information being provided is for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Data is updated as of 5/19/2026.

This publication is designed to provide information with regard to the subject matter covered. It is displayed with the understanding that the publisher and authors are not engaged in rendering real estate, legal, accounting, tax, or other professional services and that the publisher and authors are not offering such advice in this publication. If real estate, legal, or other expert assistance is required, the services of a competent, professional person should be sought.

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PUBLISHER’S NOTICE: All real estate advertised herein is subject to the Federal Fair Housing Act and the Colorado Fair Housing Act, which Acts make it illegal to make or publish any advertisement that indicates any preference, limitation, or discrimination based on race, color, religion, sex, handicap, familial status, or national origin.

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3123 3rd Street

Single Family Home for sale in Boulder, CO

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