Movoto Real Estate
Sold on 02/20/2026

450 S 40th St, Boulder, CO 80305

  • $975,000

    Last sold 02/20/2026 after 106 Days

  • 5

    bed

  • 3

    bath

  • 2,660

    Sqft ($367/Sqft)

House not for sale
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About 450 S 40th St

Property type House
Neighborhood
Year built 1956
HOA fee $0/month
Lot size 6,970 Sqft
Parking 1 garage spaces
Property description
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
Listing Agent - Lex Campaldini
Listing Agent Contact: Lex.Campaldini@redfin.com, 720-660-9491
Listing Office - Redfin Corporation
Source: IRESMLS mls logo
MLS#4297182 • last updated 5 months ago
Movoto checked IRESMLS for data 6 minutes ago
Overview
Cooling/AC Central Air
Heating Forced Air
Levels/Style One
MLS # 4297182
Type Residential
Status Sold
SubType Single Family Residence
Living Area 2660
Lot Size (Acres) 0.16
Annual Tax 6496
Interior
# Three-Quarter Baths 1
Total # of Bathrooms 3
# Full Baths 2
Total # of Bedrooms 5
Basement Partially Finished, Walk-Out Access, Radon Test Available
Fireplace Desc Two Or More, Living Room, Basement
Window Features Window Coverings
Interior Features Bay Or Bow Window
Exterior
Roof Composition
Construction Brick, Wood Siding
Exterior Features Sprinkler System
Patio & Porch Patio
Lot Features Deciduous Trees, Gutters
Amenities / Utilities
Green Features: Energy Efficiency Windows, Thermostat
Utilities Natural Gas Available, Electricity Available, Cable Available
Sewer/ Septic Public Sewer
Water Source City
Appliances Dishwasher, Refrigerator, Washer, Dryer, Microwave, Fire Alarm
Location
View Mountain(s)
County Boulder
Subdivision Martin Acres
Middle School Manhattan
High School District Boulder Valley Dist RE2
We are not permitted to show value estimates for this property.
  • Feb 2026
    mls logo MLS # 4297182
  • Feb 23, 2026 Sold
    $975,000
  • Feb 20, 2026 Sold
    $975,000 (-4.9%)
  • Jan 16, 2026 Active
  • Jan 16, 2026 Pending
  • Nov 6, 2025 Listed
    $1,025,000
  • Nov 6, 2025 Listed
    $1,025,000 (+5.9%)
  • Feb 2026
    Public Records
  • Feb 23, 2026 Sold
    $975,000
  • Nov 2021
    mls logo MLS # 953485
  • Nov 19, 2021 Sold
    $967,500
  • Oct 19, 2021 Listed
    $949,500 (+29.2%)
  • Nov 2021
    mls logo MLS # IR953485
  • Nov 19, 2021 Sold
    $967,500 (+1.9%)
  • Oct 22, 2021 Active
  • Oct 19, 2021 Listed
    $949,500
  • Jun 2017
    Public Records
  • Jun 15, 2017 Sold
    $735,000
  • Jun 2017
    mls logo MLS # 9694233
  • Jun 13, 2017 Sold
    $735,000
  • May 10, 2017 Under Contract
  • May 3, 2017 Listed
    $745,000
  • Jun 2017
    mls logo MLS # 818700
  • Jun 13, 2017 Sold
    $735,000 (-1.3%)
  • May 3, 2017 Listed
    $745,000 (+58.5%)
  • May 2010
    Public Records
  • May 17, 2010 Sold
    $470,000
  • 450 S 40th St
    $975K
  • Martin Acres
    $997K +15% y/y
  • 80305
    $920K -21% y/y
  • Boulder
    $1.04M -29% y/y
No chart available
Statistics calculated by Movoto
Est. value Bed/bath Sqft mi
440 S 40th St, Boulder, CO 80305 $1,069,000 5/2 1,400 0.01
460 S 40th St, Boulder, CO 80305 $1,064,000 3/2 1,411 0.01
445 S 41st St, Boulder, CO 80305 $994,000 3/1 1,400 0.02
445 S 40th St, Boulder, CO 80305 $963,000 4/1 1,152 0.02
430 S 40th St, Boulder, CO 80305 $1,091,000 4/3 1,400 0.03
470 S 40th St, Boulder, CO 80305 $993,000 6/1 1,400 0.03
435 S 41st St, Boulder, CO 80305 $1,020,000 3/1 1,400 0.03
455 S 41st St, Boulder, CO 80305 $1,037,000 5/1 1,400 0.03

Estimated values are based on public record data and automated valuation models. Values are not guaranteed and may not reflect current market conditions.

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10/10
Source: GreatSchools.org © 2026. All rights reserved.

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