3121 4th St, Boulder, CO 80304
OFF MARKET

3121 4th St
Boulder, CO 80304

Newlands
  • 2 Beds
  • 2 Baths
  • 936 sqft

$1,031,600

Trulia Estimate
as of Aug 22, 2026
Est. Refi. Payment $5,753/mo*
Refinance Your Home

$1,031,600

Trulia Estimate
as of Aug 22, 2026
Est. Refi. Payment $5,753/mo*
Refinance Your Home
2 Beds
2 Baths
936 sqft

Home Value

Trulia Estimate
$1.03M
Since last month
$200 (0%)
Since last year
Increased$8K (+0.8%)
Since last sale
Increased$717K (+231.2%)
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 +27% in the last 10 years
MonthEstimated value
2026
August 2026$1.03M
July 2026$1.03M
June 2026$1.07M
May 2026$1.06M
April 2026$1.05M
March 2026$1.03M
February 2026$1.03M
January 2026$1.01M
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
3075 5th St, Boulder, CO
0.09
Single-Family Home
$995,000
03/11/26
3
2
1,291
3150 5th Street, Boulder, CO
0.10
Single-Family Home
$1,000,000
04/20/26
3
2
1,836
3005 6th St, Boulder, CO
0.19
Single-Family Home
$1,000,000
05/22/26
2
1
671
300 Forest Ave, Boulder, CO
0.09
Single-Family Home
$1,583,000
06/11/26
3
2
2,080
2843 4th St, Boulder, CO
0.28
Single-Family Home
$1,000,000
04/07/26
2
1
1,122
3134 10th St, Boulder, CO
0.41
Single-Family Home
$1,260,000
10/08/25
2
2
1,674
3010 10th St, Boulder, CO
0.43
Single-Family Home
$1,400,000
06/01/26
2
2
2,020
3217 Broadway St, Boulder, CO
0.52
Single-Family Home
$820,000
08/11/26
2
1
1,059
740 Hawthorn Ave, Boulder, CO
0.34
Single-Family Home
$1,085,000
09/05/25
2
1
837
3133 5th St, Boulder, CO
0.07
Single-Family Home
$2,215,000
08/05/26
3
2
2,104

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
3131 4th St, Boulder, CO 80304
0.01
$1,717,300
3
2
1,854
Off Market
3115 3rd St, Boulder, CO 80304
0.07
$2,760,000
5
3.5
2,344
For Sale
3123 3rd St, Boulder, CO 80304
0.06
$2,975,000
4
3.5
3,215
For Sale
3075 5th St, Boulder, CO 80304
0.09
$995,000
3
2
1,291
Recently Sold
3033 3rd St, Boulder, CO 80304
0.11
$1,995,000
-
-
-
For Sale
3133 5th St, Boulder, CO 80304
0.07
$2,215,000
3
2
2,104
Recently Sold
300 Forest Ave, Boulder, CO 80304
0.09
$1,583,000
3
2
2,080
Recently Sold
3060 5th St, Boulder, CO 80304
0.13
$2,839,700
4
4.5
4,678
Off Market
3132 5th St, Boulder, CO 80304
0.10
$3,991,600
5
5
6,215
Off Market
3015 3rd St, Boulder, CO 80304
0.15
$4,250,000
6
8.5
9,667
Recently Sold
3150 5th Street, Boulder, CO 80304
0.10
$1,000,000
3
2
1,836
Recently Sold
3182 5th St, Boulder, CO 80304
0.12
$4,649,400
4
3.5
4,656
Off Market

Local Information

  • Map ViewExplore the area around 3121 4th St.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1956
Living Area
936 sqft
Price/Sqft
$1,102
Parking
Garage

About this House

This single-family home is located at 3121 4th St, Boulder, CO. 3121 4th St is in the Newlands neighborhood in Boulder, CO and in ZIP code 80304. This property has 2 bedrooms, 2 bathrooms and approximately 936 sqft of floor space. This property has a lot size of 6176 sqft and was built in 1956.
3121 4th St, Boulder, CO 80304 is a 2 bedroom, 2 bathroom, 936 sqft single-family home in Newlands, built in 1956. It last sold for $310,000 on Jun 2, 1999. It is currently off market. The Trulia Estimate is $1,031,600, with a rent estimate of $3,258/month.

Home Details for 3121 4th St

Interior Features

Interior Details
BasementNumber of Rooms: 5
Heating & Cooling
Heating: Forced AirHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 1

Property Information

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

Exterior Features

Exterior Home Features
Exterior: Stucco
Parking & Garage
GarageParking: Garage Attached

Community

Units in Building: 1

Lot Information

Lot Area: 6176 sqft

Price and Tax history

DateEventPrice
Jun 2, 1999
Source: N/A
Sold
$310,000

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

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."
    1
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 3121 4th St

  • What is 3121 4th St estimated to be worth?
    Trulia's estimated value for 3121 4th St in Boulder, CO is $1,031,600.
  • What is the price history for 3121 4th St?
    3121 4th St in Boulder, CO last sold for $310,000 in June 1999.
  • 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.
  • How big is the lot at 3121 4th St?
    The lot at 3121 4th St in Boulder, CO is about 0.14 acres (6,176 sq ft).
  • Does 3121 4th St have a garage?
    Yes, 3121 4th St in Boulder, CO has a garage.

Explore by feature - Pet Friendly

289 pet-friendly rentals in Boulder, CO

Explore by feature - Garage

222 rentals with a garage in Boulder, CO

Explore by feature - Air Conditioning

444 rentals with air conditioning in Boulder, CO

Explore by feature - Pool

263 rentals with a pool in Boulder, CO

Explore by feature - Washer/dryer

616 rentals with a washer/dryer in Boulder, CO

Explore by feature - Outdoor Space

89 rentals with an outdoor space in Boulder, CO

Apartments for Rent

Skip to last item
Skip to first item

Off Market Homes Near 3121 4th St

Skip to last item
Skip to first item

Homes for sale near 3121 4th St

Skip to last item
Skip to first item
Skip to last item
  • Results are loading
Skip to first item