770 6th Street Boulder, CO ^$ 4,750,000

770 6th Street

^$ 4,750,000

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Recently Listed

770 6th Street

Boulder, CO, 80302

^$ 4,750,000

Bedrooms4 Baths3.1 Sq 3,871

Monthly Estimate*

^$ 29,247

Listed by milehimodern - Boulder

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Single Family Home for sale in Boulder, CO

for $4,750,000 with 4 bedrooms and 3 full baths, 1 half bath. This 3,871 square foot home was built in 1978 on a lot size of 0.34.

Offered for the first time in its history, this architecturally iconic Lower Chautauqua residence is a rare fusion of art, design and nature set just one block from the Chautauqua Meadow. Built in 1978 and inspired by the timeless modernism of Mies van der Rohe and the bold color sensibilities of Luis Barragan, this home remains strikingly ahead of its time. Floor-to-ceiling windows and sliding glass doors create a seamless dialogue between the open-concept interiors and the surrounding landscape of towering pines, rock gardens and mature water-wise landscaping across a remarkable 15,000-square-foot lot. The dramatic living room is anchored by custom wood-paneled ceilings, a sculptural concrete fireplace and west-facing patio access beneath old-growth trees. The kitchen features two islands and opens to a rock garden and views to the north. A serene upper-level primary suite captures breathtaking Flatirons and Flagstaff Mountain views from a private deck, while additional bedrooms, a lower-level guest retreat and an atrium-style studio rec room provide exceptional versatility. A bonsai rock garden borders the property from the sidewalk and provides privacy from the street. Completing the property is an alley-accessed two-car garage in one of Boulder's most coveted settings.this is an amazing home,

Single Family Active

Price

^$ 4,750,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 20,019

Style

Contemporary

Lot Size

0.34

Year Built

1978

Town/City

Boulder

County/Region

Boulder

MLS | Web ID

IR1059851

Features

Interior

Interior Amenities Eat-in Kitchen Kitchen Island Open Floorplan Pantry

Flooring Tile Wood

Fireplace Features Living Room

Basement (Y/N) Y

Window Features Double Pane Windows

Above Grade Finished Area 2813

Half Baths 1

3/4 Baths 0

Laundry Features In Unit

Total Bedrooms 4

Below Grade Finished Area 1058

Main Level Bedrooms 2

Main Level Bathrooms 2

Total Baths 4

General

Sewer Public Sewer

Heating Forced Air

Cooling Ceiling Fan(s)

Utilities Electricity Available Natural Gas Available

Possession Closing/DOD

Roof Other

Appliances Disposal Double Oven Dryer Oven Self Cleaning Oven Washer

Zoning RES

Garage Spaces 2

Patio/Porch Features Deck Patio

Architectural Style Contemporary

Security Features Smoke Detector(s)

Construction Materials Stucco

Exclusions Seller's personal property + all staging items

Year Built 1978

View Mountain(s)

Levels Two

Property Subtype Single Family Residence

Tax Year 2025

Ownership Individual

County Boulder

Property Type Residential

HOA N

Attached Garage Y

Subdivision Name Chautauqua Heights

Facing Direction West

Possible Use Residential

Full Baths 3

Status Active

High School Boulder

City Boulder

High School District Boulder Valley RE 2

Lot Size Square Feet 15026

Listing Terms Cash Conventional

Elementary School Flatirons

Tax Annual Amount 20019

Middle/Junior High School Manhattan

Concessions No

Structure Type House

Standard Status Active

Occupancy Type Owner

Elementary School District Boulder Valley RE 2

Exterior

Exterior Amenities Balcony

Fencing Partial

Water Source Public

Total Parking 2

Building Area Total 3871

Lot Size Acres 0.34

Road Surface Type Alley Paved Paved

Road Frontage Type Public

Internal Only

Street Number 1 770

* Excluded Features

List By

Milehimodern - Boulder

Broker

(303) 818-7500

Phone

Affordability Calculator

$30,915

Per Month

Monthly Principal & Interest: $29,247
Monthly Property Taxes: $1,668
Monthly Home Insurance: --

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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 ^$2,528,267

Percent of Sale Price 47%

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.

1956937 Elementary School

1957357 Middle School

Boulder High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
5/22/2026	$4,750,000		Listed Price

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770 6th Street, Boulder, CO, 80302 is a Single Family Home for sale at $4,750,000 with 3,871 sqft and a lot size of 0.34. 770 6th Street has 4 bedrooms, 3.1 baths, and was built in 1978. The property's zip code is 80302 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 6/1/2026.

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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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770 6th Street

Single Family Home for sale in Boulder, CO

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