450 S 40th Street Boulder, CO ^$ 1,025,000

450 S 40th Street

^$ 1,025,000

Back to search

450 S 40th Street

Boulder, CO, 80305

^$ 1,025,000

Bedrooms5 Baths3.0 Sq 2,800

Monthly Estimate*

^$ 6,395

Listed by Redfin Corporation

450 S 40th Street, Boulder, CO 80305 - Image 1

450 S 40th Street, Boulder, CO 80305 - Image 2

450 S 40th Street, Boulder, CO 80305 - Image 3

450 S 40th Street, Boulder, CO 80305 - Image 4

450 S 40th Street, Boulder, CO 80305 - Image 5

450 S 40th Street, Boulder, CO 80305 - Image 6

450 S 40th Street, Boulder, CO 80305 - Image 7

450 S 40th Street, Boulder, CO 80305 - Image 8

450 S 40th Street, Boulder, CO 80305 - Image 9

450 S 40th Street, Boulder, CO 80305 - Image 10

450 S 40th Street, Boulder, CO 80305 - Image 11

450 S 40th Street, Boulder, CO 80305 - Image 12

450 S 40th Street, Boulder, CO 80305 - Image 13

450 S 40th Street, Boulder, CO 80305 - Image 14

450 S 40th Street, Boulder, CO 80305 - Image 15

450 S 40th Street, Boulder, CO 80305 - Image 16

450 S 40th Street, Boulder, CO 80305 - Image 17

450 S 40th Street, Boulder, CO 80305 - Image 18

450 S 40th Street, Boulder, CO 80305 - Image 19

450 S 40th Street, Boulder, CO 80305 - Image 20

450 S 40th Street, Boulder, CO 80305 - Image 21

450 S 40th Street, Boulder, CO 80305 - Image 22

450 S 40th Street, Boulder, CO 80305 - Image 23

450 S 40th Street, Boulder, CO 80305 - Image 24

450 S 40th Street, Boulder, CO 80305 - Image 25

450 S 40th Street, Boulder, CO 80305 - Image 26

450 S 40th Street, Boulder, CO 80305 - Image 27

450 S 40th Street, Boulder, CO 80305 - Image 28

450 S 40th Street, Boulder, CO 80305 - Image 29

450 S 40th Street, Boulder, CO 80305 - Image 30

450 S 40th Street, Boulder, CO 80305 - Image 31

450 S 40th Street, Boulder, CO 80305 - Image 32

450 S 40th Street, Boulder, CO 80305 - Image 33

450 S 40th Street, Boulder, CO 80305 - Image 34

450 S 40th Street, Boulder, CO 80305 - Image 35

450 S 40th Street, Boulder, CO 80305 - Image 36

View a Virtual Tour

Single Family Home for sale in Boulder, CO

for $1,025,000 with 5 bedrooms and 3 full baths. This 2,800 square foot home was built in 1956 on a lot size of 0.16.

Martin Acres gem with Flatiron views! Love where you live in this ideally located Martin Acres home where the Flatirons steal the show and convenience is second to none. Step inside and find an easy open flow between the living, dining, and kitchen areas. A rare wood-burning fireplace adds warmth and character while the bay window in the dining room perfectly frames those iconic mountain views. The kitchen shines with newer appliances and a stylish backsplash, ideal for casual mornings or entertaining friends. On the main level you will find three comfortable bedrooms, including a primary suite enhanced with updated lighting and a private bathroom. Downstairs, the spacious finished basement is a true bonus for movie nights, a game room, or space for guests. The second wood-burning fireplace adds cozy charm while two additional non-conforming bedrooms expand your options for a home office or studio. Recent updates include new gutters and a new basement escape window about three years old, offering peace of mind. Outside, a mature tree provides a shady retreat in the private backyard, perfect for quiet afternoons or casual gatherings. You will love the ease of getting around with Table Mesa shopping, dining, and transit just minutes away and a lovely neighborhood park an easy stroll from your front door. This is a rare opportunity in sought-after Martin Acres, a home with great bones, an unbeatable location, and that easy South Boulder lifestyle everyone is after. Experience the views, embrace the lifestyle, and make this Martin Acres gem your own!

Single Family Active

Price

^$ 1,025,000

Bedrooms

Full Bath

Property Type

Single Family

Taxes

^$ 6,496

Style

House

Lot Size

0.16

Year Built

1956

Town/City

Boulder

County/Region

Boulder

MLS | Web ID

4297182

Features

Interior

Interior Amenities Granite Counters Primary Suite Smoke Free Sound System

Basement Bath/Stubbed Exterior Entry Finished Interior Entry

Flooring Carpet Tile Wood

Furnished Y/N Unfurnished

Total Fireplaces 2

Fireplace Features Basement Living Room

Common Walls No Common Walls

Basement (Y/N) Y

Window Features Bay Window(s) Double Pane Windows Window Coverings

Above Grade Finished Area 1400

Half Baths 0

1/4 Baths 0

3/4 Baths 1

Total Bedrooms 5

Below Grade Finished Area 1260

Main Level Bedrooms 3

Main Level Bathrooms 2

Total Baths 3

General

Sewer Public Sewer

Heating Forced Air Natural Gas

Cooling Central Air

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

Possession Closing/DOD

Roof Composition

Appliances Dishwasher Dryer Microwave Oven Refrigerator Washer

Garage Spaces 1

Patio/Porch Features Patio

Security Features Carbon Monoxide Detector(s) Radon Detector Smoke Detector(s) Video Doorbell

Construction Materials Brick Wood Siding

Exclusions None

Pets Allowed Yes

Year Built 1956

View Mountain(s)

Levels One

Property Subtype Single Family Residence

Tax Year 2024

Ownership Corporation/Trust

County Boulder

Property Type Residential

HOA N

Attached Garage Y

Energy Efficient Thermostat

Subdivision Name Martin Acres

Full Baths 2

Status Active

High School Fairview

City Boulder

Senior Community Y/N N

High School District Boulder Valley RE 2

Lot Size Units Square Feet

Lot Size Square Feet 6913

Carport Spaces 0

Listing Terms Cash Conventional FHA VA Loan

Elementary School Creekside

Tax Annual Amount 6496

Middle/Junior High School Manhattan

Virtual Tour https://my.matterport.com/show/?m=9SdtKmvEse4&mls=1

Structure Type House

Standard Status Active

Occupancy Type Vacant

Middle/Junior School District Boulder Valley RE 2

Elementary School District Boulder Valley RE 2

Exterior

Exterior Amenities Private Yard Rain Gutters

Parking Features Exterior Access Door Lighted Storage

Lot Features Many Trees Near Public Transit Sprinklers In Front Sprinklers In Rear

Water Source Public

Total Parking 2

Lot Size Area 6913

Building Area Total 2800

Lot Size Acres 0.16

Horse Y/N N

Internal Only

Street Number 1 450

* Excluded Features

List By

Redfin Corporation

Broker

(720) 660-9491

Phone

Affordability Calculator

$6,936

Per Month

Monthly Principal & Interest: $6,395
Monthly Property Taxes: $541
Monthly Home Insurance: --

Set your offer price

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.

Learn more about how to save

Discover how much house you can afford

Your dream home may be within reach.

Learn More about how to save

THE TIME TO SELL IS NOW! What's my home worth?

Nearby

Trends
Schools

Single family listings in Boulder, CO

Average List Price ^$2,608,936

Percent of Sale Price 155%

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.

1957865 Elementary School

1957357 Middle School

Fairview High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
11/6/2025	$1,025,000		Listed Price

Map

More homes like this one

homes for you

See all

450 S 40th Street, Boulder, CO, 80305 is a Single Family Home for sale at $1,025,000 with 2,800 sqft and a lot size of 0.16. 450 S 40th Street has 5 bedrooms, 3.0 baths, and was built in 1956. The property's zip code is 80305 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 12/10/2025.

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.

REcolorado. will not knowingly accept any advertising for real estate that is in violation of the law. All persons are hereby informed that all dwellings advertised are available on an equal opportunity basis.

ALL RIGHTS RESERVED WORLDWIDE. No part of this publication may be reproduced, adapted, translated, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. The information contained herein including but not limited to all text, photographs, digital images, virtual tours, may be seeded and monitored for protection and tracking.

*Full Name

*Email

*Phone

I am interested in financing options

Get more info

By submitting the form, you agree that Weichert^® may contact you via phone or text about your inquiry, which may involve the use of automated means. You are not required to consent as a condition of purchasing any property, goods or services. For any other information please read our privacy policy.

Get more info

Looking for an Associate?

Already Working with an Associate?

450 S 40th Street

Single Family Home for sale in Boulder, CO

Affordability Calculator

Map

More homes like this one

Get more info about this home