Date
Details
Price
Change
Source
6/13/2017
Sold
$735,000
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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$1,025,000
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Property Description & Video
450 S 40th Street, Boulder, COVideo Tour of 450 S 40th Street, Boulder, CO.
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!
Full Property Details
Full Property Details for 450 S 40th St
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General
- Price: $1,025,000
- Taxes: $6,496 (2024)
- Status: Active
- Type: Single Family
- Source: MetroList_Colorado
- MLS ID: 4297182
- Updated: 11/6/2025
- Added to Site: 71 day(s) ago
Interior
- Interior Features: Granite Counters, Primary Suite, Smoke Free, Sound System
- Fireplace: Yes
- Number of Fireplaces: 2
- Fireplace(s): Basement, Living Room, Basement, Living Room, Basement, Living Room
- Appliances: Dishwasher, Dryer, Microwave, Oven, Refrigerator, Washer
- Furnishings: Unfurnished
- Flooring: Carpet, Tile, Wood
Rooms
Bathrooms
- Total Bathrooms: 3
- Full Bathrooms: 2
- 3/4 Bathrooms: 1
- Main Floor Baths: 2
- Basement Baths: 1
Bedrooms
- Total Bedrooms: 5
- Bedrooms Main: 3
Additional Information
- Security/Safety: Carbon Monoxide Detector(s), Radon Detector, Smoke Detector(s), Video Doorbell
Exterior
- Exterior Features: Private Yard, Rain Gutters
- Porch/Patio/Deck: Patio
Parking
- Garage: Yes
- Garage Spaces: 1
- Total Spaces: 2
- Parking Features: Exterior Access Door, Lighted, Storage
Location
- County: Boulder
- Subdivision: Martin Acres
School Information
- Elem School District: Boulder Valley RE 2
- Midd School District: Boulder Valley RE 2
- High School District: Boulder Valley RE 2
- Elementary School: Creekside
- Middle School: Manhattan
- High School: Fairview
Community
- Pets Allowed: Yes
Heating & Cooling
- Cooling Type: Central Air
- Heating Type: Forced Air, Natural Gas
Utilities
- Gas: Yes
- Sewer: Public Sewer
- Water: Public
- Utility Description: Cable Available, Electricity Connected, Internet Access (Wired), Natural Gas Connected, Phone Available
Structural Information
- Structure Type: House
- Construction: Brick, Wood Siding
- Basement: Yes
- Basement Desc.: Bath/Stubbed, Exterior Entry, Finished, Interior Entry
- Roof: Composition
- Common Walls: No Common Walls
- Windows: Bay Window(s), Double Pane Windows, Window Coverings
- Square Feet: 2,800
- Sq. Ft. Source: Public Records
- Living Area: 2,660 Sq. Ft.
- Year Built: 1956
Lot Features
- Property View: Mountain(s)
- Mountain views: Yes
- Lot Size (Acres): 0.16
- Lot Size (Sq. Ft.): 6,913
- Lot Features: Many Trees, Near Public Transit, Sprinklers In Front, Sprinklers In Rear
Green Features
- Energy Efficient: Thermostat
Financial Considerations
- Tax Amount: $6,496
- Tax Year: 2024
- Terms: Cash, Conventional, FHA, VA Loan
Disclosures and Reports
- Ownership: Corporation/Trust
- Special Conditions: None
- Legal Description: LOT 18 BLK 6 MARTIN ACRES 2
- Exclusions: None
- Property ID: R0009548
Listed by Redfin Corporation
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Listing agents
— 450 S 40th St —
Redfin Corporation
Redfin Corporation
Lex.Campaldini@redfin.com,720-660-9491
NMLS#: 1598647Get Pre-Approved Today
Schools
Schools serving 450 S 40th St
School District:Boulder Valley School District Re-2
| Name | Grades | Distance |
|---|---|---|
Creekside Elementary School At Martin Park 3740 Martin Drive, Boulder, CO 80305 | K-5 | 0.3 mi |
Manhattan Middle School Of The Arts And Academics 290 Manhattan Drive, Boulder, CO 80303 | 6-8 | 1.2 mi |
Fairview High School 1515 Greenbriar Boulevard, Boulder, CO 80305 | 9-12 | 1 mi |
Disclaimer:
School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 450 S 40th St
Tax History
Tax History for 450 S 40th St
Year
Property Taxes
Change
Tax Assessment
Change
2024
$6,496
2%
$73,017
-5%
2023
$6,381
23%
$76,701
28%
2021
$5,170
-6%
$60,067
3%
2022
$5,497
6%
$58,387
2%
2021
$5,170
20%
$57,064
15%
2018
$4,314
3%
$49,752
—
2017
$4,179
-15%
$49,752
-13%
2019
$4,891
25%
$57,064
26%
2016
$3,915
6%
$45,229
—
2015
$3,708
17%
$45,229
23%
2014
$3,166
2%
$36,823
—
2013
$3,096
—
$36,823
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 450 S 40th St
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450 S 40th Street, Boulder, CO 80305 (MLS# 4297182) is a Single Family property with 5 bedrooms, 2 full bathrooms and 1 partial bathroom. 450 S 40th Street is currently listed for $1,025,000 and was received on November 06, 2025. Want to learn more about 450 S 40th Street? Do you have questions about finding other Single Family real estate for sale in Boulder? You can browse all Boulder real estate or contact a Coldwell Banker agent to request more information.