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450 S 40th StreetBoulder, CO 80305

For Sale

$1,025,000

Smart Buyer Rebate $10,250

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!

Listed by Lex Campaldini

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License #55041278

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Redfin Corporation

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720-660-9491

Listed by James Ayala

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License #049405

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Redfin Corporation

Last updated November 06, 2025

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Source: REcolorado #4297182

Listing Facts

  • TypeSingle-family
  • NeighborhoodMartin Acres
  • Bedrooms5
  • Bathrooms3
  • Days on Prevu39
  • Taxes$6,496/year
  • Size2,660 sqft
  • Price per sqft$385

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Pets Allowed
  • Air Conditioning
  • Parking

Location

Mortgage Calculator

Listing History

11/06/2025
Listed by Redfin Corporation
$1,025,000

Property Details for 450 S 40th Street

Association

Amenities

  • Pets Allowed: Yes

Exterior

Construction

  • Roof: Composition
  • Structure Type: House
  • Window Features: Bay Window(s), Double Pane Windows, Window Coverings
  • Year Built: 1956
  • Common Walls: No Common Walls
  • Construction Materials: Brick, Wood Siding
  • Exterior Features: Private Yard, Rain Gutters

Features

  • Patio And Porch Features: Patio
  • View: Mountain(s)

Measurements

  • Building Area Total: 2,800
  • Lot Features: Many Trees, Near Public Transit, Sprinklers In Front, Sprinklers In Rear
  • Lot Size Acres: 0.16
  • Lot Size Area: 6,913
  • Lot Size Square Feet: 6,913
  • Lot Size Units: Square Feet

Financial

Taxes

  • Parcel Number: R0009548
  • Tax Annual Amount: $6,496.00
  • Tax Year: 2024

Interior

Features

  • Appliances: Dishwasher, Dryer, Microwave, Oven, Refrigerator, Washer
  • Fireplace Features: Basement, Living Room
  • Fireplaces Total: 2
  • Flooring: Carpet, Tile, Wood
  • Interior Features: Granite Counters, Primary Suite, Smoke Free, Sound System

Measurements

  • Living Area: 2,660

Rooms

  • Basement: Bath/Stubbed, Exterior Entry, Finished, Interior Entry
  • Has Basement: Yes
  • Bathrooms Full: 2
  • Bathrooms Three Quarter: 1
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 5
  • Main Level Bathrooms: 2
  • Main Level Bedrooms: 3

Other

Environmental

  • Green Energy Efficient: Thermostat

Location

  • Subdivision Name: Martin Acres

Parking

Parking

  • Attached Garage: Yes
  • Garage Spaces: 1
  • Parking Features: Exterior Access Door, Lighted, Storage
  • Parking Total: 2

Schools

Elementary School

  • Elementary School: Creekside
  • Elementary School District: Boulder Valley RE 2

High School

  • High School: Fairview
  • High School District: Boulder Valley RE 2

Middle or Junior School

  • Middle Or Junior School: Manhattan
  • Middle Or Junior School District: Boulder Valley RE 2

Utilities

Equipment

  • Cooling: Central Air
  • Heating: Forced Air, Natural Gas
  • Sewer: Public Sewer
  • Utilities: Cable Available, Electricity Connected, Internet Access (Wired), Natural Gas Connected, Phone Available
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 5 bedrooms and 3 bathrooms in this single-family home at 450 S 40th Street.

What schools are nearby to 450 S 40th Street?

Nearby schools include the Creekside Elementary School, Manhattan Middle School, and Fairview High School.

Does this single-family home have parking?

Yes, there is 1 parking space available for 450 S 40th Street.

What are the annual taxes for 450 S 40th Street?

Annual taxes for this single-family home are estimated at $6,496.

How does 450 S 40th Street compare to other single-family homes in Martin Acres?

This single-family home is listed 3% above the average price for single-family homes in Martin Acres and has been on the market for 8 more days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 2,660 sqft.

450 S 40th Street is a 5-bedroom, 3-bath single-family home for sale in Boulder CO 80305. Available on Prevu for 39 days at $1,025,000. This home features 2,660 square feet of living space, located in Boulder. The median listing price for single-family homes in this area is $893,000. Nearby schools include Creekside Elementary School, Manhattan Middle School, and Fairview High School. The home offers private outdoor space, dishwasher, pets allowed, air conditioning, parking, and washer/dryer. Browse more single-family home listings in Boulder.

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Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.