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

423 Juniper Ave
Boulder, CO 80304

Juniper - Kalmia
  • 5 Beds
  • 4 Baths
  • 4,597 sqft (on 0.64 acres)

$5,251,700

Trulia Estimate
as of Aug 18, 2026
Est. Refi. Payment $29,311/mo*
Refinance Your Home

$5,251,700

Trulia Estimate
as of Aug 18, 2026
Est. Refi. Payment $29,311/mo*
Refinance Your Home
5 Beds
4 Baths
4,597 sqft
(on 0.64 acres)

Home Value

Trulia Estimate
$5.25M
Since last month
Increased$40K (+0.8%)
Since last year
Decreased$12K (-0.2%)
Since last sale
Decreased$3K (-0.1%)
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 +108% in the last 10 years
MonthEstimated value
2026
August 2026$5.25M
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
503 Kalmia Ave, Boulder, CO
0.17
Single-Family Home
$3,438,500
05/26/26
4
3.5
5,381
3555 4th St, Boulder, CO
0.07
Single-Family Home
$8,000,000
07/30/26
4
4.5
4,218
440 Japonica Way, Boulder, CO
0.06
Single-Family Home
$8,500,000
07/02/26
5
4.5
5,244
550 Iris Ave, Boulder, CO
0.14
Single-Family Home
$4,000,000
01/16/26
4
4
4,473
640 Iris Ave, Boulder, CO
0.18
Single-Family Home
$5,250,000
06/30/26
4
4.5
5,226
503 Hawthorn Ave, Boulder, CO
0.16
Single-Family Home
$5,150,000
06/12/26
6
5.5
5,670
865 Kalmia Ave, Boulder, CO
0.31
Single-Family Home
$2,950,000
04/29/26
5
3.5
4,220
3561 4th St, Boulder, CO
0.07
Single-Family Home
$2,050,000
03/06/26
4
3
3,879
255 Linden Dr, Boulder, CO
0.34
Single-Family Home
$2,275,000
07/10/26
5
4
3,071

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
3561 4th St, Boulder, CO 80304
0.07
$2,050,000
4
3
3,879
Recently Sold
3555 4th St, Boulder, CO 80304
0.07
$8,000,000
4
4.5
4,218
Recently Sold
3535 4th St #(Set Back), Boulder, CO 80304
0.10
$3,726,200
3
2.5
4,606
Off Market
440 Japonica Way, Boulder, CO 80304
0.06
$8,500,000
5
4.5
5,244
Recently Sold
3421 4th St, Boulder, CO 80304
0.09
$6,800,000
6
4.5
5,198
For Sale
497 Kalmia Ave, Boulder, CO 80304
0.14
$5,995,000
5
4.5
5,964
For Sale
503 Kalmia Ave, Boulder, CO 80304
0.17
$3,438,500
4
3.5
5,381
Recently Sold
620 Juniper Ave, Boulder, CO 80304
0.13
$8,500,000
6
7.5
10,092
For Sale
410 Iris Ave, Boulder, CO 80304
0.13
$1,392,100
3
2
1,880
Off Market
550 Iris Ave, Boulder, CO 80304
0.14
$4,000,000
4
4
4,473
Recently Sold
560 Iris Ave, Boulder, CO 80304
0.15
$2,189,700
3
3
2,038
Recently Sold

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

Property Type
Single-Family Home
Year Built
1967
Lot Size
0.64 acres
Living Area
4,597 sqft
Price/Sqft
$1,142
Parking
Garage

About this House

Nestled on the West end of coveted Juniper Avenue, this exquisite home offers an unrivaled living experience with its impeccable design, ample entertainment spaces, and breathtaking features throughout. Step through the grand entrance and be greeted by an open floor plan that seamlessly connects the indoor and outdoor living areas. Sunlit rooms bathe the interior in natural light, highlighting the impeccable designer finishes that adorn every corner of this residence. Custom lighting fixtures add a touch of sophistication and ambiance, creating an inviting atmosphere throughout. A gourmet chef's kitchen takes center stage, featuring top-of-the-line appliances, premium cabinetry, and generous counter space for culinary enthusiasts to explore their creativity. Entertaining is elevated to an art form with this home's exceptional amenities. The outdoor kitchen creates an enchanting space for alfresco dining and entertaining. Discover the ultimate luxury in the primary suite, where indulgence knows no bounds. This sanctuary boasts a lavish en-suite bathroom with designer fixtures, a luxurious soaking tub, and an exquisite walk-in shower. The walk-in closet provides ample space for a vast wardrobe and ensures effortless organization. Every aspect of this home has been thoughtfully designed to accommodate modern living and entertainment needs. Detached garage with finished studio above. The 5th bedroom is on the main level and currently used as an office. Lot size includes an easement on the North end of the property starting at the back of the garage and extending to the Northern property line.
423 Juniper Ave, Boulder, CO 80304 is a 5 bedroom, 4 bathroom, 4,597 sqft single-family home in Juniper - Kalmia, built in 1967. It last sold for $5,250,000 on Oct 5, 2023 (5% below the $5,500,000 asking price). It is currently off market. The Trulia Estimate is $5,251,700, with a rent estimate of $7,822/month.

Home Details for 423 Juniper Ave

Interior Features

Interior Details
Basement: Partially FinishedNumber of Rooms: 10Types of Rooms: Primary Bedroom, Bedroom 2, Bedroom 3, Bedroom 4, Bedroom 5, Dining Room, Kitchen, Laundry, Living Room, Recreation Room
Beds & Baths
Number of Bedrooms: 5Number of Bathrooms: 4Number of Bathrooms (full): 3Number of Bathrooms (three quarters): 1Number of Bathrooms (main level): 1
Dimensions and Layout
Living Area: 4597 Square Feet
Appliances & Utilities
Utilities: Natural Gas Available, Electricity Available, Cable Available, Satellite AvailAppliances: Gas Range, Double Oven, Dishwasher, RefrigeratorDishwasherRefrigerator
Heating & Cooling
Heating: Forced AirHas HeatingHeating Fuel: Forced Air
Gas & Electric
Electric: XcelGas: XcelHas Electric on Property
Windows, Doors, Floors & Walls
Flooring: Wood
Levels, Entrance, & Accessibility
Stories: 2Levels: TwoFloors: Wood
View
Has a ViewView: Hills

Exterior Features

Exterior Home Features
Roof: CompositionPatio / Porch: DeckFencing: PartialExterior: Sprinkler SystemSprinkler System
Parking & Garage
Number of Garage Spaces: 3Number of Covered Spaces: 3Other Parking: DetachedNo CarportHas a GarageNo Attached GarageParking Spaces: 3Parking: Oversized
Frontage
Road Frontage: City StreetRoad Surface Type: AsphaltNot on Waterfront
Water & Sewer
Sewer: Public Sewer
Farm & Range
Does Not Include Irrigation Water Rights
Finished Area
Finished Area (above surface): 3337 Square Feet

Property Information

Year Built
Year Built: 1967
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family Residence
Building
Construction Materials: Frame, BrickNot a New ConstructionNot Attached Property
Property Information
Usage of Home: Single FamilyParcel Number: R0009000

Price & Status

Price
List Price: $5,500,000

Active Status

MLS Status: Sold

Location

Direction & Address
City: BoulderCommunity: Newlands
School Information
Elementary School: FoothillJr High / Middle School: CentennialHigh School: BoulderHigh School District: Boulder Valley Dist RE2

Building

Building Area
Building Area: 3337 Square Feet

HOA

No HOA

Lot Information

Lot Area: 0.64 acres

Listing Info

Special Conditions: Private Owner

Offer

Listing Terms: Cash, Conventional

Miscellaneous

BasementMls Number: 994698Attribution Contact: 720-577-5503Above Grade Unfinished Area: 3337Activation Date: Wed Aug 23 2023Showing Service Name: ShowingTime
Last check for updates: about 15 hours ago
Listed by Jay Hebb, (720) 577-5503
LATITUDE40 Real Estate Group
Bought with: Patricia Dessel, (303) 475-6097, Compass - Boulder
Source: IRES as distributed by MLS GRID, MLS#994698

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 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

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Homes for sale near 423 Juniper Ave

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Off Market Homes Near 423 Juniper Ave

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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 $5,251,700.
  • 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 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 423 Juniper Ave have laundry facilities?
    Yes, 423 Juniper Ave in Boulder, CO has laundry facilities.
  • 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).
Based on information submitted to the MLS GRID as of 2026-08-17 16:43:08 PDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Some IDX listings have been excluded from this website. Click here for more information