303 21st St, Boulder, CO 80302
OFF MARKET

303 21st St
Boulder, CO 80302

East Chautauqua
  • 3 Beds
  • 3 Baths
  • 1,295 sqft

$1,395,100

Trulia Estimate
as of Aug 4, 2026
Est. Refi. Payment $7,878/mo*
Refinance Your Home

$1,395,100

Trulia Estimate
as of Aug 4, 2026
Est. Refi. Payment $7,878/mo*
Refinance Your Home
3 Beds
3 Baths
1,295 sqft

Local Information

  • Map ViewExplore the area around 303 21st St.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1971
Living Area
1,295 sqft
Price/Sqft
$1,077
Parking
Garage

About this House

This single-family home is located at 303 21st St, Boulder, CO. 303 21st St is in the East Chautauqua neighborhood in Boulder, CO and in ZIP code 80302. This property has 3 bedrooms, 3 bathrooms and approximately 1,295 sqft of floor space. This property has a lot size of 9032 sqft and was built in 1971.
303 21st St, Boulder, CO 80302 is a 3 bedroom, 3 bathroom, 1,295 sqft single-family home in East Chautauqua, built in 1971. It is currently off market. The Trulia Estimate is $1,395,100, with a rent estimate of $4,411/month.

Home Details for 303 21st St

Interior Features

Interior Details
BasementNumber of Rooms: 6
Heating & Cooling
Heating: Other, OtherHeating Fuel: Other

Exterior Features

Exterior Home Features
Roof: AsphaltDeckExterior: Shingle, Stone, Wood
Parking & Garage
GarageParking: Garage Attached

Property Information

Year Built
Year Built: 1971Year Updated: 1978
Property Type / Style
Property Type: Single Family HomeArchitecture: split level

Community

Units in Building: 1

Lot Information

Lot Area: 9032 sqft

Market trends in Boulder

Last updated June 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$891K
$60.83KMoM
Sale-to-List Price
98.2%
0.4%MoM
Price per sq ft
$503
$2MoM
Available listings
778
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Property Tax and Assessment

Year2025
Tax$7,878
Assessment$1,584,500
Home facts updated by county records

Comparable Sales for 303 21st St

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
419 22nd St, Boulder, CO
0.10
Single-Family Home
$1,232,000
12/04/25
4
2
1,494
360 20th St, Boulder, CO
0.04
Single-Family Home
$1,115,000
08/15/25
4
2
2,308
370 20th St, Boulder, CO
0.05
Single-Family Home
$1,325,000
03/31/26
5
3
2,700
1625 Mariposa Ave, Boulder, CO
0.30
Single-Family Home
$2,500,000
07/20/26
3
2.5
2,340
2030 Columbine Ave, Boulder, CO
0.17
Single-Family Home
$1,526,000
06/03/26
4
3
2,641
1930 Columbine Avenue, Boulder, CO
0.18
Single-Family Home
$1,425,000
04/08/26
4
3
3,131
1995 Dartmouth Ave, Boulder, CO
0.51
Single-Family Home
$1,600,000
02/17/26
3
3
1,615
2110 Baseline Rd, Boulder, CO
0.23
Single-Family Home
$850,000
09/08/25
2
2
1,157
1512 Mariposa Ave, Boulder, CO
0.34
Single-Family Home
$1,025,000
09/26/25
3
2
2,023
2207 Bluebell Ave, Boulder, CO
0.13
Single-Family Home
$1,535,000
01/08/26
4
2
3,432

Nearby homes

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Assigned Schools

These are the assigned schools for 303 21st St.
View nearby schools on GreatSchools
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

Neighborhood Overview

East Chautauqua
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about East Chautauqua

At least 10 Trulia users voted on each feature.

  • 100 % Say there are sidewalks

  • 83 % Say people would walk alone at night

  • 83 % Say it's dog friendly

  • 77 % Say there's wildlife

  • 71 % Say there's holiday spirit

  • 67 % Say it's walkable to restaurants

  • 67 % Say yards are well-kept

  • 67 % Say parking is easy

  • 64 % Say streets are well-lit

  • 60 % Say car is needed

  • 54 % Say neighbors are friendly

  • 50 % Say they plan to stay for at least 5 years

  • 50 % Say it's quiet

  • 44 % Say kids play outside

  • 43 % Say there are community events

  • 33 % Say it's walkable to grocery stores

Sourced by Trulia users. Learn more about our methodology.
  • Chris O
    "I drive 18 miles towards Denver and / or hit DIA 1 time per week. Proximity to Baseline and 36 is awesome as I don’t have to deal with Boulder traffic. Great neighborhood"
    0
    Flag
  • Francie A.
    "Proximity without congestion"
    0
    Flag

LGBTQ Local Legal Protections

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Homes for sale near 303 21st St

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Off Market Homes Near 303 21st St

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