640 S 42nd St, Boulder, CO 80305
OFF MARKET

$793,400

Trulia Estimate
  • 3 Beds
  • 2 Baths
  • 1,367 sqft

640 S 42nd St, Boulder, CO 80305

Majestic Heights
Est. Refi. Payment $4,652/mo*
Refinance Your Home
Currently Off Market - Sold Nov 12, 2025 for $800,000

Home Value

Trulia Estimate
$793K
Since last month
Increased$4K (+0.5%)
Since last year
Decreased$16K (-1.9%)
Since last sale
Decreased$5K (-0.7%)
Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.

Trulia Estimate

The of this home's value increased by +29% in the last 10 years
MonthEstimated value
2026
September 2026$795K
August 2026$793K
July 2026$791K
June 2026$798K
May 2026$799K
April 2026$800K
March 2026$813K
February 2026$801K
January 2026$801K
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016

Comparable sales

These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.
Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
620 S 41st St, Boulder, CO
0.06
Single-Family Home
$750,000
06/18/26
3
1.5
1,426
530 S 46th St, Boulder, CO
0.22
Single-Family Home
$884,000
11/05/25
3
2
1,426
450 S 41st St #A, Boulder, CO
0.18
Single-Family Home
$1,095,000
03/16/26
3
2
1,400
620 S 42nd St, Boulder, CO
0.03
Single-Family Home
$942,000
06/15/26
4
2
2,236
210 S 39th St, Boulder, CO
0.41
Single-Family Home
$1,002,568
03/12/26
3
1.5
1,402
4400 Brookfield Drive, Boulder, CO
0.31
Single-Family Home
$950,000
07/08/26
4
2
1,620
245 S 39th St, Boulder, CO
0.40
Single-Family Home
$716,832
12/22/25
3
2
1,152
405 S 43rd Street, Boulder, CO
0.20
Single-Family Home
$850,000
04/24/26
5
2
2,162
4260 Whitney Place, Boulder, CO
0.27
Single-Family Home
$1,055,000
09/04/26
4
2
1,796

Nearby home prices

Get a sense of expected prices in the area by checking the value of nearby homes.
Address
Distance
Price
Bed
Bath
Sqft
Status
620 S 42nd St, Boulder, CO 80305
0.03
$942,000
4
2
2,236
Recently Sold
615 S 42nd St, Boulder, CO 80305
0.04
$1,320,000
5
3
2,228
Recently Sold
550 S 42nd St, Boulder, CO 80305
0.06
$1,279,300
4
2.5
1,906
Off Market
620 S 41st St, Boulder, CO 80305
0.06
$750,000
3
1.5
1,426
Recently Sold
560 S 41st St, Boulder, CO 80305
0.07
$1,255,300
3
2
2,273
Off Market
640 S 44th St, Boulder, CO 80305
0.10
$1,129,700
5
2
2,430
Off Market
760 S 42nd St, Boulder, CO 80305
0.10
$893,000
3
2.5
2,478
Off Market
750 S 41st St, Boulder, CO 80305
0.10
$851,500
3
1.5
1,426
Off Market
505 S 43rd Street, Boulder, CO 80305
0.12
$851,300
4
2
1,929
Off Market
650 S 45th St, Boulder, CO 80305
0.15
$986,900
5
2.5
2,632
Off Market
630 S 45th St, Boulder, CO 80305
0.15
$873,300
5
2
2,214
Off Market
465 S 42nd St, Boulder, CO 80305
0.15
$1,006,600
5
3
2,800
Off Market

Local Information

  • Map ViewExplore the area around 640 S 42nd St.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 1959
1,367 sqft
$580/sqft
Garage

About this House

This single-family home is located at 640 S 42nd St, Boulder, CO. 640 S 42nd St is in the Majestic Heights neighborhood in Boulder, CO and in ZIP code 80305. This property has 3 bedrooms, 2 bathrooms and approximately 1,367 sqft of floor space. This property has a lot size of 7115 sqft and was built in 1959.
640 S 42nd St, Boulder, CO 80305 is a 3 bedroom, 2 bathroom, 1,367 sqft single-family home in Majestic Heights, built in 1959. It last sold for $800,000 on Nov 12, 2025. More recently, it was listed as a rental in October 2023 with an asking price of $2,900 per month. That rental listing was removed on October 27, 2023. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $793,400, with a rent estimate of $2,833/month.

Home Details for 640 S 42nd St

Interior Features

Interior Details
BasementNumber of Rooms: 6
Heating & Cooling
Heating: Forced AirHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 1

Exterior Features

Exterior Home Features
Roof: AsphaltExterior: Stone
Parking & Garage
GarageParking: Garage Attached

Property Information

Year Built
Year Built: 1959Year Updated: 1961
Property Type / Style
Property Type: Single Family HomeArchitecture: Ranch / Rambler

Community

Units in Building: 1

Lot Information

Lot Area: 7115 sqft

Price and Tax history

DateEventPrice
Nov 12, 2025
Source: N/A
Sold
$800,000
Oct 27, 2023
Source: Zillow Rentals
ListingRemoved
Oct 21, 2023
Source: Zillow Rentals
Listed For Rent
$2,900

Market trends in Boulder

Last updated August 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$904K
$6.67KMoM
Sale-to-List Price
98.2%
0.2%MoM
Price per sq ft
$489
$10MoM
Available listings
765
3MoM

Around this home

Neighborhood Overview

Majestic Heights
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Majestic Heights

  • Elliott H.
    "Great place to live and raise a family. Perfect location for access to open space and mountain parks. "
    0
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 640 S 42nd St

  • What is 640 S 42nd St estimated to be worth?
    Trulia's estimated value for 640 S 42nd St in Boulder, CO is $793,400.
  • What is the price history for 640 S 42nd St?
    640 S 42nd St in Boulder, CO last sold for $800,000 in November 2025.
  • Is Boulder a buyer's or seller's market?
    Boulder is currently a balanced market, based on recent for-sale activity.
  • What's the median sale price in Boulder?
    The median sale price in Boulder is $904K. That is up $6.67K from the prior month.
  • How big is the lot at 640 S 42nd St?
    The lot at 640 S 42nd St in Boulder, CO is about 0.16 acres (7,115 sq ft).
  • Does 640 S 42nd St have a garage?
    Yes, 640 S 42nd St in Boulder, CO has a garage.

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Apartments for Rent

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Off Market Homes Near 640 S 42nd St

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