3181 9th Street Boulder, CO ^$ 4,199,000

3181 9th Street

^$ 4,199,000

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3181 9th Street

Boulder, CO, 80304

^$ 4,199,000

Bedrooms6 Baths5.1 Sq 5,465

Monthly Estimate*

^$ 25,854

Listed by milehimodern - Boulder

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Single Family Home for sale in Boulder, CO

for $4,199,000 with 6 bedrooms and 5 full baths, 1 half bath. This 5,465 square foot home was built in 2008 on a lot size of 0.18.

Set in one of Newlands' most sought-after locations, 3181 9th Street is a timeless expression of craftsmanship, scale, and setting. Positioned on an oversized lot with desirable alley access, this property offers a sense of space and versatility that is increasingly hard to find, complete with a detached two-car garage and a beautifully finished studio above. Built in 2008 with a meticulous attention to detail, the home showcases enduring quality at every turn. Rich trimwork, crown molding, and thoughtfully integrated built-ins create a sense of quiet sophistication, while traditional finishes - including Carrara marble accents and top-of-the-line appliances - lend a refined, yet approachable elegance. The open floor plan is both functional and inviting, designed for seamless flow between living, dining, and kitchen spaces. Five spacious bedrooms and six bathrooms provide flexibility for a variety of lifestyles, while the fully finished basement expands the home's livable footprint. A charming white picket fence frames the front yard while the backyard unfolds as a private haven, complete with mature trees, privacy fencing, and a serene patio setting designed for relaxed gatherings or quiet moments. All of this is set within a highly sought-after Newlands location - just minutes from the neighborhood Foothills elementary school, North Boulder Park, the recreation center, and miles of trails at Mt. Sanitas Open Space.

Single Family Active

Price

^$ 4,199,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 21,491

Style

Denver Square

Lot Size

0.18

Year Built

2008

Town/City

Boulder

County/Region

Boulder

MLS | Web ID

IR1057317

Features

Interior

Interior Amenities Eat-in Kitchen Five Piece Bath In-Law Floorplan Jack & Jill Bathroom Kitchen Island Open Floorplan Pantry Walk-In Closet(s)

Basement Full

Flooring Tile Wood

Total Fireplaces 0

Basement (Y/N) Y

Window Features Double Pane Windows Window Coverings

Above Grade Finished Area 3721

Half Baths 1

3/4 Baths 3

Laundry Features In Unit

Total Bedrooms 6

Below Grade Finished Area 1744

Main Level Bedrooms 0

Main Level Bathrooms 1

Total Baths 6

General

Sewer Public Sewer

Heating Radiant

Cooling Evaporative Cooling

Utilities Cable Available Electricity Available Natural Gas Available

Possession Closing/DOD

Roof Composition

Appliances Dishwasher Disposal Dryer Microwave Oven Refrigerator Self Cleaning Oven Washer

Zoning RES

Garage Spaces 2

Patio/Porch Features Deck Patio

Architectural Style Denver Square

Security Features Smoke Detector(s)

Construction Materials Frame Wood Siding

Exclusions Seller's personal property + staging items.

Year Built 2008

View Mountain(s)

Levels Two

Property Subtype Single Family Residence

Tax Year 2025

Ownership Individual

County Boulder

Property Type Residential

HOA N

Subdivision Name Newlands

Facing Direction East

Possible Use Residential

Full Baths 2

Status Active

Directions On the West side of 9th between Evergreen and Forest

High School Boulder

City Boulder

High School District Boulder Valley RE 2

Lot Size Square Feet 7870

Listing Terms Cash Conventional

Elementary School Foothill

Tax Annual Amount 21491

Middle/Junior High School Casey

Concessions No

Virtual Tour https://longs-peak-media.aryeo.com/videos/019db2c0-7f2a-70ab-9c4b-d7bbddacdfd3

Structure Type House

Standard Status Active

Occupancy Type Owner

Elementary School District Boulder Valley RE 2

Exterior

Exterior Amenities Gas Grill

Fencing Fenced

Parking Features Oversized

Lot Features Level Sprinklers In Front

Water Source Public

Total Parking 2

Building Area Total 5465

Lot Size Acres 0.18

Road Surface Type Alley Paved Paved

Road Frontage Type Public

Internal Only

Street Number 1 3181

* Excluded Features

List By

Milehimodern - Boulder

Broker

(303) 489-0309

Phone

Affordability Calculator

$27,645

Per Month

Monthly Principal & Interest: $25,854
Monthly Property Taxes: $1,791
Monthly Home Insurance: --

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Down Payment

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Yearly Home Insurance

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 40%

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
4/23/2026	$4,199,000		Listed Price

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3181 9th Street, Boulder, CO, 80304 is a Single Family Home for sale at $4,199,000 with 5,465 sqft and a lot size of 0.18. 3181 9th Street has 6 bedrooms, 5.1 baths, and was built in 2008. 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 5/18/2026.

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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3181 9th Street

Single Family Home for sale in Boulder, CO

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