3370 4th St, Boulder, CO 80304
OFF MARKET

3370 4th St
Boulder, CO 80304

Juniper - Kalmia
  • 5 Beds
  • 5 Baths
  • 2,022 sqft (on 0.32 acres)

$4,614,000

Trulia Estimate
as of Aug 17, 2026
Est. Refi. Payment $25,760/mo*
Refinance Your Home

$4,614,000

Trulia Estimate
as of Aug 17, 2026
Est. Refi. Payment $25,760/mo*
Refinance Your Home
5 Beds
5 Baths
2,022 sqft
(on 0.32 acres)

Home Value

Trulia Estimate
$4.61M
Since last month
Decreased$4K (-0.1%)
Since last year
Increased$13K (+0.3%)
Since last sale
Increased$1M (+28.2%)
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 +155% in the last 10 years
MonthEstimated value
2026
August 2026$4.61M
July 2026$4.5M
June 2026$4.62M
May 2026$4.61M
April 2026$4.62M
March 2026$4.62M
February 2026$4.61M
January 2026$4.46M
2025
2024
2023
2022
2021
2020
2019
2018

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
440 Japonica Way, Boulder, CO
0.03
Single-Family Home
$8,500,000
07/02/26
5
4.5
5,244
600 Juniper Ave, Boulder, CO
0.12
Single-Family Home
$3,850,000
11/12/25
5
3
2,704
550 Iris Ave, Boulder, CO
0.10
Single-Family Home
$4,000,000
01/16/26
4
4
4,473
560 Iris Ave, Boulder, CO
0.11
Single-Family Home
$2,189,700
02/24/26
3
3
2,038
864 Iris Ave, Boulder, CO
0.29
Single-Family Home
$3,205,000
03/10/26
4
4
3,208
3555 4th St, Boulder, CO
0.12
Single-Family Home
$8,000,000
07/30/26
4
4.5
4,218
503 Hawthorn Ave, Boulder, CO
0.09
Single-Family Home
$5,150,000
06/12/26
6
5.5
5,670
640 Iris Ave, Boulder, CO
0.15
Single-Family Home
$5,250,000
06/30/26
4
4.5
5,226
865 Kalmia Ave, Boulder, CO
0.36
Single-Family Home
$2,950,000
04/29/26
5
3.5
4,220
3561 4th St, Boulder, CO
0.14
Single-Family Home
$2,050,000
03/06/26
4
3
3,879

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
410 Iris Ave, Boulder, CO 80304
0.05
$1,392,100
3
2
1,880
Off Market
440 Japonica Way, Boulder, CO 80304
0.03
$8,500,000
5
4.5
5,244
Recently Sold
503 Hawthorn Ave, Boulder, CO 80304
0.09
$5,150,000
6
5.5
5,670
Recently Sold
521 Hawthorn Ave, Boulder, CO 80304
0.10
$4,999,999
5
4.5
7,177
For Sale
550 Iris Ave, Boulder, CO 80304
0.10
$4,000,000
4
4
4,473
Recently Sold
560 Iris Ave, Boulder, CO 80304
0.11
$2,189,700
3
3
2,038
Recently Sold
423 Juniper Ave, Boulder, CO 80304
0.08
$5,251,700
5
4
4,597
Off Market
485 Grape Ave, Boulder, CO 80304
0.14
$1,559,300
3
2.5
2,088
Off Market
3421 4th St, Boulder, CO 80304
0.10
$6,800,000
6
4.5
5,198
For Sale
640 Iris Ave, Boulder, CO 80304
0.15
$5,250,000
4
4.5
5,226
Recently Sold
620 Juniper Ave, Boulder, CO 80304
0.14
$8,500,000
6
7.5
10,092
For Sale
290 Hawthorn Ave, Boulder, CO 80304
0.15
-
-
-
-
Off Market

Local Information

  • Map ViewExplore the area around 3370 4th St.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
2017
Lot Size
0.32 acres
Living Area
2,022 sqft
Price/Sqft
$2,282
Parking
Garage

About this House

This single-family home is located at 3370 4th St, Boulder, CO. 3370 4th St is in the Juniper - Kalmia neighborhood in Boulder, CO and in ZIP code 80304. This property has 5 bedrooms, 5 bathrooms and approximately 2,022 sqft of floor space. This property has a lot size of 0.32 acres and was built in 2017.
3370 4th St, Boulder, CO 80304 is a 5 bedroom, 5 bathroom, 2,022 sqft single-family home in Juniper - Kalmia, built in 2017. It last sold for $3,600,000 on Nov 7, 2018. It is currently off market. The Trulia Estimate is $4,614,000, with a rent estimate of $7,615/month.

Home Details for 3370 4th St

Interior Features

Interior Details
BasementNumber of Rooms: 9
Heating & Cooling
Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 1

Exterior Features

Exterior Home Features
Roof: OtherExterior: Shingle, Wood
Parking & Garage
GarageParking: Garage Attached

Property Information

Year Built
Year Built: 2017
Property Type / Style
Property Type: Single Family HomeArchitecture: Ranch / Rambler

Lot Information

Lot Area: 0.32 acres

Price and Tax history

DateEventPrice
Nov 7, 2018
Source: N/A
Sold
$3,600,000
Feb 23, 1995
Source: N/A
Sold
$302,500

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

Juniper - Kalmia
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Juniper - Kalmia

At least 2 Trulia users voted on each feature.

  • 100 % Say parking is easy

  • 100 % Say there are community events

  • 100 % Say it's dog friendly

  • 100 % Say there's holiday spirit

  • 100 % Say people would walk alone at night

  • 100 % Say it's quiet

  • 100 % Say there's wildlife

  • 80 % Say it's walkable to grocery stores

  • 77 % Say neighbors are friendly

  • 75 % Say kids play outside

  • 71 % Say yards are well-kept

  • 67 % Say it's walkable to restaurants

  • 40 % Say there are sidewalks

  • 33 % Say streets are well-lit

Sourced by Trulia users. Learn more about our methodology.
  • Megan La Grave
    "Fantastic neighborhood for all ages and pets! Come walk it sometime and see for yourself. Close to the trails "
    0
    Flag
  • Trulia User
    "A close knit neighborhood and desirable area of Boulder at the foot of the mountains. You are as likely to get a wave as you are to see wildlife walking down the middle of the street."
    1
    Flag

LGBTQ Local Legal Protections

Apartments for Rent

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Homes for sale near 3370 4th St

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Off Market Homes Near 3370 4th St

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Frequently asked questions about 3370 4th St

  • What is 3370 4th St estimated to be worth?
    Trulia's estimated value for 3370 4th St in Boulder, CO is $4,614,000.
  • What is the price history for 3370 4th St?
    3370 4th St in Boulder, CO last sold for $3,600,000 in November 2018.
  • 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 3370 4th St have air conditioning?
    Yes, 3370 4th St in Boulder, CO has air conditioning.
  • How big is the lot at 3370 4th St?
    The lot at 3370 4th St in Boulder, CO is about 0.32 acres (13,747 sq ft).