3121 6th St, Boulder, CO 80304
OFF MARKET

3121 6th St
Boulder, CO 80304

Newlands
  • 3 Beds
  • 1 Bath
  • 3,118 sqft

$2,673,000

Trulia Estimate
as of Aug 17, 2026
Est. Refi. Payment $14,955/mo*
Refinance Your Home

$2,673,000

Trulia Estimate
as of Aug 17, 2026
Est. Refi. Payment $14,955/mo*
Refinance Your Home
3 Beds
1 Bath
3,118 sqft

Home Value

Trulia Estimate
$2.67M
Since last month
Decreased$160K (-5.6%)
Since last year
Decreased$133K (-4.8%)
Since last sale
Increased$2M (+411.6%)
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 +37% in the last 10 years
MonthEstimated value
2026
August 2026$2.67M
July 2026$2.72M
June 2026$2.83M
May 2026$2.83M
April 2026$2.73M
March 2026$2.76M
February 2026$2.72M
January 2026$2.64M
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 5th Street, Boulder, CO
0.04
Single-Family Home
$1,000,000
04/20/26
3
2
1,836
3075 5th St, Boulder, CO
0.10
Single-Family Home
$995,000
03/11/26
3
2
1,291
300 Forest Ave, Boulder, CO
0.17
Single-Family Home
$1,583,000
06/11/26
3
2
2,080
315 Evergreen Ave, Boulder, CO
0.15
Single-Family Home
$1,620,000
07/22/26
3
3
2,538
3056 8th Street, Boulder, CO
0.18
Single-Family Home
$2,000,000
04/30/26
4
2
2,697
3005 6th St, Boulder, CO
0.15
Single-Family Home
$1,000,000
05/22/26
2
1
671
2843 4th St, Boulder, CO
0.31
Single-Family Home
$1,000,000
04/07/26
2
1
1,122
3133 5th St, Boulder, CO
0.06
Single-Family Home
$2,215,000
08/05/26
3
2
2,104
3217 Broadway St, Boulder, CO
0.39
Single-Family Home
$820,000
08/11/26
2
1
1,059
3180 6th St, Boulder, CO
0.07
Single-Family Home
$1,400,000
08/03/26
5
3
1,768

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
3151 6th St, Boulder, CO 80304
0.03
$2,290,800
6
4.5
4,801
Off Market
3161 7th St, Boulder, CO 80304
0.07
$2,067,900
3
2.5
2,101
Off Market
3120 6th St, Boulder, CO 80304
0.04
$1,615,700
4
3
2,852
Off Market
3150 5th Street, Boulder, CO 80304
0.04
$1,000,000
3
2
1,836
Recently Sold
3132 5th St, Boulder, CO 80304
0.03
$3,991,600
5
5
6,215
Off Market
3182 5th St, Boulder, CO 80304
0.07
$4,649,400
4
3.5
4,656
Off Market
3084 6th St, Boulder, CO 80304
0.07
$2,081,300
2
2
2,144
Off Market
3211 7th St, Boulder, CO 80304
0.12
$2,363,900
4
3.5
2,920
Off Market
3133 5th St, Boulder, CO 80304
0.06
$2,215,000
3
2
2,104
Recently Sold
3219 7th St, Boulder, CO 80304
0.13
$2,118,700
3
2
3,358
Off Market
3147 8th St, Boulder, CO 80304
0.13
$1,344,100
3
1
1,248
Off Market
3135 8th St, Boulder, CO 80304
0.12
$1,733,100
3
2
1,793
Off Market

Local Information

  • Map ViewExplore the area around 3121 6th St.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1949
Living Area
3,118 sqft
Price/Sqft
$857
Parking
Garage

About this House

Build your dream home on this pleasant site--or remodel/expand. Located on one of the most desirable blocks in upscale Newlands, surrounded by million dollar homes, against the foothills in Bldr. Great location between Forest & Evergreen only a couple of blocks away from N. Boulder Park & mtn trailheads. Lot is 50X125. Postcard views of the Flatirons & Sanitas. Alley access; back yard faces west. Beautiful mature trees. Small bungalow built in 1949 needs work, sold as-is. Showings begin 4/24/09.
3121 6th St, Boulder, CO 80304 is a 3 bedroom, 1 bathroom, 3,118 sqft single-family home in Newlands, built in 1949. It last sold for $522,500 on Jul 31, 2009. It is currently off market. The Trulia Estimate is $2,673,000, with a rent estimate of $3,482/month.

Home Details for 3121 6th St

Interior Features

Interior Details
BasementNumber of Rooms: 11
Heating & Cooling
Heating: RadiantAir ConditioningCooling System: CentralHeating Fuel: Radiant
Levels, Entrance, & Accessibility
Stories: 1

Exterior Features

Exterior Home Features
Roof: AsphaltExterior: Stucco, Wood
Parking & Garage
GarageParking: Garage Detached

Property Information

Year Built
Year Built: 1949Year Updated: 2009
Property Type / Style
Property Type: Single Family HomeArchitecture: split level

Community

Units in Building: 1

Lot Information

Lot Area: 6225 sqft

Price and Tax history

DateEventPrice
Jul 31, 2009
Source: N/A
Sold
$522,500
May 22, 2009
Source: Agent Provided
PriceChange
$572,000
Price decreased by 3%
Apr 22, 2009
Source: Agent Provided
Listed For Sale
$589,000

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
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Around this home

Neighborhood Overview

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

What Locals Say about Newlands

At least 11 Trulia users voted on each feature.

  • 100 % Say there's holiday spirit

  • 100 % Say it's dog friendly

  • 94 % Say it's walkable to restaurants

  • 92 % Say parking is easy

  • 92 % Say yards are well-kept

  • 91 % Say it's walkable to grocery stores

  • 83 % Say there are sidewalks

  • 83 % Say kids play outside

  • 81 % Say people would walk alone at night

  • 77 % Say there's wildlife

  • 65 % Say neighbors are friendly

  • 64 % Say they plan to stay for at least 5 years

  • 61 % Say car is needed

  • 59 % Say it's quiet

  • 50 % Say streets are well-lit

  • 50 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • susanljosephs
    "The most sought after neighborhood in Boulder, great schools, access to mountain trails, friendly neighbors, hard to find property in this neighborhood."
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Homes for sale near 3121 6th St

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Off Market Homes Near 3121 6th St

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Frequently asked questions about 3121 6th St

  • What is 3121 6th St estimated to be worth?
    Trulia's estimated value for 3121 6th St in Boulder, CO is $2,673,000.
  • What is the price history for 3121 6th St?
    3121 6th St in Boulder, CO last sold for $522,500 in July 2009.
  • 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 3121 6th St have air conditioning?
    Yes, 3121 6th St in Boulder, CO has air conditioning.
  • How big is the lot at 3121 6th St?
    The lot at 3121 6th St in Boulder, CO is about 0.14 acres (6,225 sq ft).