2811 21st St, Boulder, CO 80304
OFF MARKET

$1,097,200

Trulia Estimate
  • 4 Beds
  • 2 Baths
  • 1,859 sqft (on 0.25 acres)

2811 21st St, Boulder, CO 80304

Old North Boulder
Est. Refi. Payment $6,406/mo*
Refinance Your Home
Currently Off Market - Sold Oct 31, 1995 for $215,000

Home Value

Trulia Estimate
$1.1M
Since last month
Increased$3K (+0.2%)
Since last year
Increased$73K (+7.2%)
Since last sale
Increased$879K (+409%)
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 +54% in the last 10 years
MonthEstimated value
2026
September 2026$1.09M
August 2026$1.1M
July 2026$1.09M
June 2026$1.1M
May 2026$1.1M
April 2026$1.08M
March 2026$1.06M
February 2026$1.01M
January 2026$972K
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
2851 20th St, Boulder, CO
0.06
Single-Family Home
$1,017,800
04/24/26
3
1.5
1,806
2800 19th St, Boulder, CO
0.11
Single-Family Home
$940,000
08/06/26
3
2
1,256
2250 Floral Dr, Boulder, CO
0.23
Single-Family Home
$1,035,000
12/12/25
4
2
2,080
2901 Lorraine Court, Boulder, CO
0.21
Single-Family Home
$898,000
06/22/26
4
2
1,354
2961 Lorraine Ct, Boulder, CO
0.16
Single-Family Home
$985,000
05/29/26
3
1.5
1,551
2283 Nicholl St E, Boulder, CO
0.15
Single-Family Home
$1,470,000
12/17/25
4
2.5
1,916
2283 Nicholl St, Boulder, CO
0.15
Single-Family Home
$1,470,000
12/18/25
4
2.5
1,648
2085 Alpine Dr, Boulder, CO
0.20
Single-Family Home
$1,695,000
12/03/25
4
2
2,167
2910 19th St, Boulder, CO
0.08
Single-Family Home
$1,150,000
09/09/26
3
2.5
1,348
2880 19th St, Boulder, CO
0.09
Single-Family Home
$769,000
10/17/25
3
1
1,394

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
2831 20th St, Boulder, CO 80304
0.05
$1,333,000
4
2.5
2,209
Off Market
2851 20th St, Boulder, CO 80304
0.06
$1,017,800
3
1.5
1,806
Recently Sold
2910 19th St, Boulder, CO 80304
0.08
$1,150,000
3
2.5
1,348
Recently Sold
1950 Edgewood Drive, Boulder, CO 80304
0.10
$890,000
3
1
1,259
For Sale
2880 19th St, Boulder, CO 80304
0.09
$762,900
3
1
1,394
Off Market
2243 Nicholl St W, Boulder, CO 80304
0.08
$1,210,300
4
2
1,675
Off Market
2800 19th St, Boulder, CO 80304
0.11
$940,000
3
2
1,256
Recently Sold
2865 19th St, Boulder, CO 80304
0.12
$1,295,000
4
2.5
2,508
Off Market
2035 Balsam Dr, Boulder, CO 80304
0.12
$3,403,200
4
4.5
4,390
Off Market
2212 Edgewood Dr, Boulder, CO 80304
0.11
$1,016,100
3
2
1,388
Off Market
1895 Balsam Ave, Boulder, CO 80304
0.14
$1,532,000
5
4.5
3,388
Off Market
2272 Nicholl St E, Boulder, CO 80304
0.12
$1,116,300
3
1
1,038
Off Market

Local Information

  • Map ViewExplore the area around 2811 21st St.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 1956
0.25 acre lot
1,859 sqft
$590/sqft
Garage

About this House

This single-family home is located at 2811 21st St, Boulder, CO. 2811 21st St is in the Old North Boulder neighborhood in Boulder, CO and in ZIP code 80304. This property has 4 bedrooms, 2 bathrooms and approximately 1,859 sqft of floor space. This property has a lot size of 10873 sqft and was built in 1956.
2811 21st St, Boulder, CO 80304 is a 4 bedroom, 2 bathroom, 1,859 sqft single-family home in Old North Boulder, built in 1956. It last sold for $215,000 on Oct 31, 1995. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,097,200, with a rent estimate of $4,059/month.

Home Details for 2811 21st St

Interior Features

Heating & Cooling
Heating: Forced AirHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 1
Interior Details
Number of Rooms: 8

Exterior Features

Exterior Home Features
Roof: AsphaltExterior: Stone
Parking & Garage
GarageParking: Carport, Garage

Property Information

Year Built
Year Built: 1956Year Updated: 1956
Property Type / Style
Property Type: Single Family HomeArchitecture: Ranch / Rambler

Community

Units in Building: 1

Lot Information

Lot Area: 10873 sqft

Price and Tax history

DateEventPrice
Oct 31, 1995
Source: N/A
Sold
$215,000
Oct 18, 1993
Source: N/A
Sold
$195,000

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

Old North Boulder
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Old North Boulder

At least 15 Trulia users voted on each feature.

  • 100 % Say it's dog friendly

  • 95 % Say there are sidewalks

  • 93 % Say there's wildlife

  • 91 % Say it's walkable to grocery stores

  • 90 % Say there's holiday spirit

  • 88 % Say it's walkable to restaurants

  • 88 % Say parking is easy

  • 83 % Say kids play outside

  • 79 % Say it's quiet

  • 78 % Say people would walk alone at night

  • 72 % Say yards are well-kept

  • 68 % Say neighbors are friendly

  • 62 % Say they plan to stay for at least 5 years

  • 55 % Say car is needed

  • 35 % Say streets are well-lit

  • 20 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.

LGBTQ Local Legal Protections

Frequently asked questions about 2811 21st St

  • What is 2811 21st St estimated to be worth?
    Trulia's estimated value for 2811 21st St in Boulder, CO is $1,097,200.
  • What is the price history for 2811 21st St?
    2811 21st St in Boulder, CO last sold for $215,000 in October 1995.
  • 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 2811 21st St?
    The lot at 2811 21st St in Boulder, CO is about 0.25 acres (10,873 sq ft).
  • Does 2811 21st St have a garage?
    Yes, 2811 21st St in Boulder, CO has a garage.

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Apartments for Rent

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Off Market Homes Near 2811 21st St

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