3155 20th St, Boulder, CO 80304
OFF MARKET

$1,188,300

Trulia Estimate
  • 3 Beds
  • 2 Baths
  • 1,269 sqft

3155 20th St, Boulder, CO 80304

Old North Boulder
Est. Refi. Payment $6,596/mo*
Refinance Your Home
Currently Off Market - Sold Jan 3, 2011 for $479,500

Home Value

Trulia Estimate
$1.19M
Since last month
Decreased$8K (-0.6%)
Since last year
Increased$58K (+5.1%)
Since last sale
Increased$709K (+147.8%)
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 +46% in the last 10 years
MonthEstimated value
2026
August 2026$1.19M
July 2026$1.2M
June 2026$1.22M
May 2026$1.2M
April 2026$1.21M
March 2026$1.19M
February 2026$1.15M
January 2026$1.11M
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
3150 19th St, Boulder, CO
0.05
Single-Family Home
$783,000
08/07/26
3
1.5
1,095
1820 Forest Ave, Boulder, CO
0.11
Single-Family Home
$1,299,900
03/05/26
3
2
1,493
2800 19th St, Boulder, CO
0.39
Single-Family Home
$940,000
08/06/26
3
2
1,256
1412 Elder Ave, Boulder, CO
0.37
Single-Family Home
$800,000
04/17/26
3
2
1,529
2901 Lorraine Court, Boulder, CO
0.36
Single-Family Home
$898,000
06/22/26
4
2
1,354
2851 20th St, Boulder, CO
0.30
Single-Family Home
$1,017,800
04/24/26
3
1.5
1,806
2270 Grape Ave, Boulder, CO
0.25
Single-Family Home
$1,300,000
03/04/26
3
2
1,786
2961 Lorraine Ct, Boulder, CO
0.31
Single-Family Home
$985,000
05/29/26
3
1.5
1,551
1495 Chestnut Place, Boulder, CO
0.38
Single-Family Home
$1,125,000
06/23/26
3
2
1,107
1950 Edgewood Drive, Boulder, CO
0.40
Single-Family Home
$827,000
06/03/26
3
1
1,259

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
1930 Grape Ave, Boulder, CO 80304
0.08
$1,300,000
-
-
-
For Sale
3150 19th St, Boulder, CO 80304
0.05
$783,000
3
1.5
1,095
Recently Sold
3125 20th St, Boulder, CO 80304
0.05
-
3
1.5
1,536
Off Market
1920 Grape Ave, Boulder, CO 80304
0.09
$725,000
-
-
-
For Sale
2035 Glenwood Dr, Boulder, CO 80304
0.14
$2,251,200
4
3
2,817
Off Market
3255 20th St, Boulder, CO 80304
0.13
$2,000,000
4
4
3,291
For Sale
3205 19th St, Boulder, CO 80304
0.08
-
5
2.5
3,432
Off Market
3275 19th Street, Boulder, CO 80304
0.10
$1,800,000
5
3.5
3,127
Recently Sold
1920 Vista Dr, Boulder, CO 80304
0.13
-
5
3.5
3,416
Off Market
2025 Grape Ave, Boulder, CO 80304
0.15
-
3
1.5
1,794
Off Market
2055 Glenwood Dr, Boulder, CO 80304
0.16
-
3
2
1,684
Off Market
1980 Floral Drive, Boulder, CO 80304
0.10
$1,056,900
4
2
2,100
Off Market

Local Information

  • Map ViewExplore the area around 3155 20th 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
1957
Living Area
1,269 sqft
Price/Sqft
$936
Parking
Garage

About this House

Great ranch on huge (almost 10,000sf) lot with large, 2-car detached garage. The home features hardwood floors throughout, an open kitchen with new counters and floor, newly installed plantation shutters in living room and bedrooms, updated windows central air, newer furnace. Professionally landscaped front and back. Great downtown location is close to everything. Walk/bike to Ideal Shops, Radda, Frasca, or even Snarfs!
3155 20th St, Boulder, CO 80304 is a 3 bedroom, 2 bathroom, 1,269 sqft single-family home in Old North Boulder, built in 1957. It last sold for $479,500 on Jan 3, 2011. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,188,300, with a rent estimate of $3,496/month.

Home Details for 3155 20th St

Interior Features

Heating & Cooling
Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 1
Interior Details
Number of Rooms: 5

Exterior Features

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

Property Information

Year Built
Year Built: 1957Year Updated: 2006
Property Type / Style
Property Type: Single Family HomeArchitecture: Ranch / Rambler

Community

Units in Building: 1

Lot Information

Lot Area: 9688 sqft

Price and Tax history

DateEventPrice
Jan 3, 2011
Source: N/A
Sold
$479,500
Nov 20, 2010
Source: Agent Provided
PriceChange
$479,500
Price decreased by 2%
Oct 23, 2010
Source: Agent Provided
Listed For Sale
$489,900
Feb 27, 2004
Source: N/A
Sold
$365,000
Jul 18, 2001
Source: N/A
Sold
$345,000

Market trends in Boulder

Last updated July 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$897K
$10.37KMoM
Sale-to-List Price
98.4%
0.1%MoM
Price per sq ft
$499
$4MoM
Available listings
760
19MoM

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 3155 20th St

  • What is 3155 20th St estimated to be worth?
    Trulia's estimated value for 3155 20th St in Boulder, CO is $1,188,300.
  • What is the price history for 3155 20th St?
    3155 20th St in Boulder, CO last sold for $479,500 in January 2011.
  • 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 $897K. That is up $10.37K from the prior month.
  • Does 3155 20th St have air conditioning?
    Yes, 3155 20th St in Boulder, CO has air conditioning.
  • How big is the lot at 3155 20th St?
    The lot at 3155 20th St in Boulder, CO is about 0.22 acres (9,688 sq ft).

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Apartments for Rent

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Off Market Homes Near 3155 20th St

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