423 Juniper Ave, Boulder, CO 80304
Property image
Property image
OFF MARKET

$5,172,600

Trulia Estimate
  • 5 Beds
  • 4 Baths
  • 4,156 sqft (on 0.64 acres)

423 Juniper Ave, Boulder, CO 80304

Juniper - Kalmia
Est. Refi. Payment $30,030/mo*
Refinance Your Home
Currently Off Market - Sold Oct 5, 2023 for $5,250,000

Home Value

Trulia Estimate
$5.17M
Since last month
Increased$5K (+0.1%)
Since last year
Increased$95K (+1.9%)
Since last sale
Decreased$61K (-1.2%)
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 +103% in the last 10 years
MonthEstimated value
2026
October 2026$5.19M
October 2026$5.19M
September 2026$5.18M
August 2026$5.2M
July 2026$5.21M
June 2026$5.32M
May 2026$5.24M
April 2026$5.27M
March 2026$5.18M
February 2026$5.17M
January 2026$4.99M
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
600 Juniper Ave, Boulder, CO
0.12
Single-Family Home
$3,850,000
11/12/25
5
3
2,704
503 Kalmia Ave, Boulder, CO
0.15
Single-Family Home
$3,438,500
05/26/26
4
3.5
5,381
3555 4th St, Boulder, CO
0.06
Single-Family Home
$8,000,000
07/30/26
4
4.5
4,218
440 Japonica Way, Boulder, CO
0.07
Single-Family Home
$8,500,000
07/02/26
5
4.5
5,244
550 Iris Ave, Boulder, CO
0.16
Single-Family Home
$4,000,000
01/16/26
4
4
4,473
865 Kalmia Ave, Boulder, CO
0.30
Single-Family Home
$2,950,000
04/29/26
5
3.5
4,220
640 Iris Ave, Boulder, CO
0.19
Single-Family Home
$5,250,000
06/30/26
4
4.5
5,226
3561 4th St, Boulder, CO
0.06
Single-Family Home
$2,050,000
03/06/26
4
3
3,879
255 Linden Dr, Boulder, CO
0.33
Single-Family Home
$2,275,000
07/10/26
5
4
3,071
503 Hawthorn Ave, Boulder, CO
0.17
Single-Family Home
$5,150,000
06/12/26
6
5.5
5,670

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
3460 4th St, Boulder, CO 80304
0.02
$1,854,000
3
3
2,300
Off Market
443 Juniper Ave, Boulder, CO 80304
0.02
$6,600,600
1
1
1,871
Off Market
3490 4th St, Boulder, CO 80304
0.03
$1,836,900
5
3
3,050
Off Market
403 Juniper Ave, Boulder, CO 80304
0.03
$1,682,200
3
2
1,363
Off Market
473 Juniper Ave, Boulder, CO 80304
0.04
$2,568,400
4
2
2,733
Off Market
3500 4th St, Boulder, CO 80304
0.04
$3,525,500
6
4.5
6,244
Off Market
450 Juniper Ave, Boulder, CO 80304
0.05
$1,558,900
4
2
1,816
Off Market
460 Kalmia Ave, Boulder, CO 80304
0.05
-
-
-
-
Off Market
470 Juniper Ave, Boulder, CO 80304
0.05
$3,211,800
5
3.5
4,131
Off Market
535 Jack Pine Ct, Boulder, CO 80304
0.05
$3,349,100
4
5
3,900
Off Market
402 Juniper Ave, Boulder, CO 80304
0.05
$4,609,200
5
6
5,181
Off Market
3433 4th St, Boulder, CO 80304
0.05
$1,307,500
2
1
1,140
Off Market
3433 4th St, Boulder, CO 80304
0.05
$932,400
1
1
420
Off Market
525 Jack Pine Ct, Boulder, CO 80304
0.06
$1,925,200
4
3
2,853
Off Market
3550 4th St, Boulder, CO 80304
0.06
$4,083,600
3
3
2,269
Off Market
515 Juniper Ave, Boulder, CO 80304
0.06
$2,711,600
3
1
2,553
Off Market
3555 4th St, Boulder, CO 80304
0.06
$8,000,000
4
4.5
4,218
Recently Sold
3561 4th St, Boulder, CO 80304
0.06
$2,050,000
4
3
3,879
Recently Sold
440 Juniper Ave, Boulder, CO 80304
0.06
$3,764,400
4
4
3,766
Off Market
480 Kalmia Ave, Boulder, CO 80304
0.06
$4,816,800
4
6
3,953
Off Market

Local Information

  • Map ViewExplore the area around 423 Juniper Ave.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 1967
0.64 acre lot
4,156 sqft
$1,245/sqft
Garage

About this House

What's unique:Designer fixturesDetached garageExquisite walk-in showerCustom lighting fixturesLavish en-suite bathroomAmple entertainment spaces
Located on the coveted West end of Juniper Ave, on a half-acre lot, 423 Juniper is a stunning farmhouse that has recently been remodeled and expanded. Features include four bedrooms, a main floor home office, four bathrooms, and a custom patio with pergola, outdoor kitchen, fireplace and water feature, plus a three car garage w/ finished space above. Elegant designer finishes combined with a perfect layout, an amazing custom patio, & a half-acre lot in one of Boulder's most desirable locations.
423 Juniper Ave, Boulder, CO 80304 is a 5 bedroom, 4 bathroom, 4,156 sqft single-family home in Juniper - Kalmia, built in 1967. It last sold for $5,250,000 on Oct 5, 2023. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $5,172,600.

Home Details for 423 Juniper Ave

Interior Features

Interior Details
BasementNumber of Rooms: 11
Heating & Cooling
Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air
Levels, Entrance, & Accessibility
Stories: 2

Exterior Features

Exterior Home Features
Roof: AsphaltDeckExterior: Stone
Parking & Garage
GarageParking: Carport, Garage Detached

Property Information

Year Built
Year Built: 1967Year Updated: 2010
Property Type / Style
Property Type: Single Family HomeArchitecture: split level

Community

Units in Building: 1

Lot Information

Lot Area: 0.64 acres

Price and Tax history

DateEventPrice
Oct 5, 2023
Source: IRES as distributed by MLS GRID #994698
Sold
$5,250,000
Aug 23, 2023
Source: IRES as distributed by MLS GRID #994698
Listed For Sale
$5,500,000
Oct 10, 2018
Source: IRES as distributed by MLS GRID #861191
Sold
$3,575,000
Sep 5, 2018
Source: Agent Provided
Listed For Sale
$3,700,000
May 12, 2012
Source: N/A
Sold
$1,685,000

Market trends in Boulder

Last updated September 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$899K
$5.42KMoM
Sale-to-List Price
97.8%
0.4%MoM
Price per sq ft
$494
$4MoM
Available listings
747
22MoM
Sourced by Trulia Market Trends

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

Frequently asked questions about 423 Juniper Ave

  • What is 423 Juniper Ave estimated to be worth?
    Trulia's estimated value for 423 Juniper Ave in Boulder, CO is $5,172,600.
  • What is the price history for 423 Juniper Ave?
    423 Juniper Ave in Boulder, CO last sold for $5,250,000 in October 2023.
  • Is Boulder a buyer's or seller's market?
    Boulder is currently a buyer's market, based on recent for-sale activity.
  • What's the median sale price in Boulder?
    The median sale price in Boulder is $899K. That is down $5.42K from the prior month.
  • Does 423 Juniper Ave have air conditioning?
    Yes, 423 Juniper Ave in Boulder, CO has air conditioning.
  • How big is the lot at 423 Juniper Ave?
    The lot at 423 Juniper Ave in Boulder, CO is about 0.64 acres (27,756 sq ft).

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Apartments for Rent

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Off Market Homes Near 423 Juniper Ave

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