640 Iris Avenue Boulder, CO ^$ 5,950,000

640 Iris Avenue

^$ 5,950,000

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New Construction

640 Iris Avenue

Boulder, CO, 80304

^$ 5,950,000

Bedrooms4 Baths4.1 Sq 5,226

Monthly Estimate*

^$ 37,120

Listed by The Agency - Boulder

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Single Family Home for sale in Boulder, CO

for $5,950,000 with 4 bedrooms and 4 full baths, 1 half bath. This 5,226 square foot home was built in 2024 on a lot size of 0.22.

MOVE RIGHT IN! A new standard of luxury awaits in Newlands. Designed by the visionaries at Mosaic Architects this stunning residence is where bold design meets effortless elegance. Set on a sprawling 9,000+ SF lot, every detail of this home is intentional. The WOW factor begins the moment you head inside! The dramatic two story foyer with its striking stair hall welcomes you and entices you through the open concept living areas where THREE sets of Marvin collapsible doors open to create a seamless integration of indoor an outdoor living. White oak floors anchor the spaces while custom cabinetry, a huge pantry, a timeless palette, and top of the line appliances provide the backdrop for culinary creations as well as quick weeknight suppers. The outdoor veranda offers tons of shade in summer months to relax and read a book as well as multiple eating and conversation areas for creating memories and laughter well into the evening. The open-concept layout adapts to your lifestyle, offering comfort, flow, and refined functionality at every turn. You'll be hard pressed to find a home with more soft filtered light throughout. The Owner's Retreat with soaring ceilings and a huge patio, steam shower, and custom cabinetry with under lit vanities provide the perfect sanctuary to unwind every evening and awaken each morning. Two additional en suite bedrooms and a bonus flex room complete the upper level. Even the lower level seamlessly integrates into the home with open stair hall, high ceilings, and a large feature media wall with 81" television and under cabinet lighting. A 4th bedroom and optional 5th bedroom flex exercise room completes your experience that leaves you feeling inspired and at peace. Why settle for a dated remodel or wait 3 years to build new when you can have it all now! Brand new, intelligently crafted, and move-in ready? This is your Nirvana in Newlands. LIVE BOLDER, LOVE BOULDER!

Single Family Active

Price

^$ 5,950,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 9,641

Style

Contemporary

Lot Size

0.22

Year Built

2024

Town/City

Boulder

County/Region

Boulder

MLS | Web ID

IR1042850

Features

Interior

Interior Amenities Jack & Jill Bathroom Kitchen Island Open Floorplan Pantry Vaulted Ceiling(s) Walk-In Closet(s)

Basement Full Sump Pump

Flooring Tile Wood

Fireplace Features Gas Living Room

Basement (Y/N) Y

Window Features Double Pane Windows

Above Grade Finished Area 3360

Half Baths 1

3/4 Baths 1

Laundry Features In Unit

Total Bedrooms 4

Below Grade Finished Area 1659

Main Level Bedrooms 0

Main Level Bathrooms 1

Total Baths 5

General

Sewer Public Sewer

Heating Radiant

Cooling Central Air

Utilities Cable Available Electricity Available Internet Access (Wired) Natural Gas Available

Possession See Remarks

Roof Metal

Appliances Dishwasher Disposal Double Oven Dryer Oven Refrigerator Washer

Zoning RL-1

Garage Spaces 2

Patio/Porch Features Deck Patio

Architectural Style Contemporary

Security Features Fire Sprinkler System Smoke Detector(s)

Construction Materials Brick Stucco Frame

Exclusions Any staging items

Year Built 2024

View Mountain(s)

Levels Two

Property Subtype Single Family Residence

Tax Year 2024

Ownership Builder

County Boulder

Property Type Residential

HOA N

Attached Garage Y

Subdivision Name Newlands

Facing Direction South

Possible Use Residential

Full Baths 3

Status Active

High School Boulder

City Boulder

High School District Boulder Valley RE 2

Lot Size Square Feet 9741

Listing Terms Cash Conventional

Elementary School Foothill

Tax Annual Amount 9641

Middle/Junior High School Casey

Property Condition New Construction

Concessions No

Structure Type House

Standard Status Active

Occupancy Type Vacant

Elementary School District Boulder Valley RE 2

Ownership Type Partnership

Exterior

Exterior Amenities Balcony

Fencing Partial

Parking Features Oversized

Lot Features Level Sprinklers In Front

Water Source Public

Total Parking 2

Building Area Total 5226

Lot Size Acres 0.22

Road Surface Type Paved

Road Frontage Type Public

Other Equipment Satellite Dish

Internal Only

Street Number 1 640

* Excluded Features

List By

The Agency - Boulder

Broker

(720) 394-1997

Phone

Affordability Calculator

$37,924

Per Month

Monthly Principal & Interest: $37,120
Monthly Property Taxes: $803
Monthly Home Insurance: --

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Down Payment

Loan Term

Interest Rate

Yearly Property Taxes

Yearly Home Insurance

Default based on a 30-year fixed rate of 6.375% 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.

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Nearby

Trends
Schools

Single family listings in Boulder, CO

Average List Price ^$2,493,570

Percent of Sale Price 58%

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
10/24/2025	$5,950,000	-8.46%	Price Down
9/4/2025	$6,500,000		Listed Price

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640 Iris Avenue, Boulder, CO, 80304 is a Single Family Home for sale at $5,950,000 with 5,226 sqft and a lot size of 0.22. 640 Iris Avenue has 4 bedrooms, 4.1 baths, and was built in 2024. 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 6.375% 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.

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 12/8/2025.

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.

The information contained in this publication is subject to change without notice. REcolorado. MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. REcolorado. SHALL NOT BE LIABLE FOR ERRORS CONTAINED HEREIN OR FOR ANY DAMAGES IN CONNECTION WITH THE FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL.

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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640 Iris Avenue

Single Family Home for sale in Boulder, CO

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