3155 20th St, Boulder, CO 80304
OFF MARKET

3155 20th St
Boulder, CO 80304

Old North Boulder
  • 3 Beds
  • 2 Baths
  • 1,269 sqft

$1,208,600

Trulia Estimate
as of May 28, 2026
Est. Refi. Payment $6,562/mo*
Refinance Your Home

$1,208,600

Trulia Estimate
as of May 28, 2026
Est. Refi. Payment $6,562/mo*
Refinance Your Home
3 Beds
2 Baths
1,269 sqft

Local Information

Map showing home location
© Google
-- mins to
Commute Destination

Description

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!
This property is off market, which means it's not currently listed for sale or rent on Trulia. This may be different from what's available on other websites or public sources.

Home Highlights

Parking
Garage
Outdoor
No Info
A/C
Heating & Cooling
HOA
None
Price/Sqft
No Info
Listed
No Info

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 History for 3155 20th St

DatePriceEventSource
01/03/2011$479,500Sold
N/A
11/20/2010$479,500PriceChange
Agent Provided
10/23/2010$489,900Listed For SaleAgent Provided
02/27/2004$365,000Sold
N/A
07/18/2001$345,000Sold
N/A
12/27/1996$182,000Sold
N/A
06/24/1994$179,820Sold
N/A
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Property Tax and Assessment

Year2025
Tax$7,400
Assessment$1,370,700
Home facts updated by county records

Comparable Sales for 3155 20th St

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
3125 20th St, Boulder, CO
0.05
Single-Family Home
$975,000
06/23/25
3
1.5
1,536
1820 Forest Ave, Boulder, CO
0.11
Single-Family Home
$1,299,900
03/05/26
3
2
1,493
2025 Grape Ave, Boulder, CO
0.15
Single-Family Home
$1,185,000
07/21/25
3
1.5
1,794
2901 Lorraine Court, Boulder, CO
0.36
Single-Family Home
$775,000
11/18/25
4
2
1,354
1412 Elder Ave, Boulder, CO
0.37
Single-Family Home
$800,000
04/17/26
3
2
1,529
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
3090 17th St, Boulder, CO
0.19
Single-Family Home
$1,205,000
06/12/25
4
2
2,111
2880 19th St, Boulder, CO
0.34
Single-Family Home
$769,000
10/17/25
3
1
1,394
2250 Floral Dr, Boulder, CO
0.31
Single-Family Home
$1,035,000
12/12/25
4
2
2,080

Nearby homes

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Assigned Schools

These are the assigned schools for 3155 20th St.
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The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

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

Apartments for Rent

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Homes for sale near 3155 20th St

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Off Market Homes Near 3155 20th St

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Homes for rent near 3155 20th St

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3155 20th St, Boulder, CO 80304 is a 3 bedroom, 2 bathroom, 1,269 sqft single-family home built in 1957. 3155 20th St is located in Old North Boulder, Boulder. This property is not currently available for sale. 3155 20th St was last sold on Jan 3, 2011 for $479,500. The current Trulia Estimate for 3155 20th St is $1,208,600.