3663 4th St, Boulder, CO 80304
OFF MARKET

3663 4th St
Boulder, CO 80304

Juniper - Kalmia
  • 6 Beds
  • 5 Baths
  • 9,530 sqft (on 5.40 acres)

$11,391,100

Trulia Estimate
as of Jun 12, 2026

$11,391,100

Trulia Estimate
as of Jun 12, 2026
6 Beds
5 Baths
9,530 sqft
(on 5.40 acres)

Local Information

Map showing home location
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-- mins to
Commute Destination

Description

This single-family home is located at 3663 4th St, Boulder, CO. 3663 4th St is in the Juniper - Kalmia neighborhood in Boulder, CO and in ZIP code 80304. This property has 6 bedrooms, 5 bathrooms and approximately 9,530 sqft of floor space. This property has a lot size of 5.40 acres and was built in 1995.
This property is off market, which means it's not currently listed for sale or rent on Trulia. This may be different from what's available on other websites or public sources.

Home Highlights

Parking
Garage
Outdoor
Deck
A/C
Heating & Cooling
HOA
None
Price/Sqft
No Info
Listed
Less than a day ago

Home Details for 3663 4th St

Interior Features

Interior Details
BasementNumber of Rooms: 14
Heating & Cooling
Heating: Forced AirAir ConditioningCooling System: CentralHeating Fuel: Forced Air

Exterior Features

Exterior Home Features
Roof: TileDeckExterior: Stucco, Brick
Parking & Garage
GarageParking: Garage Attached

Property Information

Year Built
Year Built: 1995Year Updated: 1995
Property Type / Style
Property Type: Single Family HomeArchitecture: split level

Community

Units in Building: 1

Lot Information

Lot Area: 5.40 acres

Market trends in Boulder

Last updated May 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$955K
$13.33KMoM
Sale-to-List Price
97.9%
1.0%MoM
Price per sq ft
$503
$12MoM
Available listings
775
41MoM
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Property Tax and Assessment

Year2025
Tax$85,247
Assessment$14,992,300
Home facts updated by county records

Homeowner tools

Estimated monthly rent$6,498/mo
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Homes for rent near 3663 4th St

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Comparable Sales for 3663 4th St

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
503 Kalmia Ave, Boulder, CO
0.14
Single-Family Home
$3,438,500
05/26/26
4
3.5
5,381
3627 Broadway St, Boulder, CO
0.49
Single-Family Home
$7,300,000
08/25/25
6
5.5
6,942
700 Linden Ave, Boulder, CO
0.26
Single-Family Home
$3,700,000
08/01/25
4
3
5,244
3561 4th St, Boulder, CO
0.11
Single-Family Home
$2,050,000
03/06/26
4
3
3,879
865 Kalmia Ave, Boulder, CO
0.34
Single-Family Home
$2,950,000
04/29/26
5
3.5
4,220
550 Iris Ave, Boulder, CO
0.32
Single-Family Home
$4,000,000
01/16/26
4
4
4,473
1107 Juniper Ave, Boulder, CO
0.47
Single-Family Home
$3,580,000
07/18/25
5
5.5
5,058
3747 Mountain Laurel Pl, Boulder, CO
0.52
Single-Family Home
$3,320,000
01/20/26
5
6
6,951
600 Juniper Ave, Boulder, CO
0.27
Single-Family Home
$3,850,000
11/12/25
5
3
2,704
3132 5th St, Boulder, CO
0.58
Single-Family Home
$4,050,000
08/15/25
5
5
6,215

Nearby homes

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Assigned Schools

These are the assigned schools for 3663 4th St.
View nearby schools on GreatSchools
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

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 3663 4th St

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Off Market Homes Near 3663 4th St

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3663 4th St, Boulder, CO 80304 is a 6 bedroom, 5 bathroom, 9,530 sqft single-family home built in 1995. 3663 4th St is located in Juniper - Kalmia, Boulder. This property is not currently available for sale. The current Trulia Estimate for 3663 4th St is $11,391,100.