1661 Alpine Ave, Boulder, CO 80304
OFF MARKET

1661 Alpine Ave
Boulder, CO 80304

Old North Boulder
  • 4 Beds
  • 3 Baths
  • 1,640 sqft (on 3.14 acres)

$7,554,800

Trulia Estimate
as of Aug 25, 2026
Est. Refi. Payment $41,534/mo*
Refinance Your Home

$7,554,800

Trulia Estimate
as of Aug 25, 2026
Est. Refi. Payment $41,534/mo*
Refinance Your Home
4 Beds
3 Baths
1,640 sqft
(on 3.14 acres)

Home Value

Trulia Estimate
$7.55M
Since last month
Increased$1M (+17.2%)
Since last year
Increased$3M (+61.8%)
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 +202% in the last 10 years
MonthEstimated value
2026
August 2026$7.8M
July 2026$6.66M
June 2026$7.34M
April 2026$7.59M
March 2026$8.65M
February 2026$7.48M
January 2026$9.28M
2025
2024
2023
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
1557 North St, Boulder, CO
0.09
Single-Family Home
$1,157,500
02/03/26
3
2
1,440
2283 Nicholl St, Boulder, CO
0.43
Single-Family Home
$1,470,000
12/18/25
4
2.5
1,648
1414 Elder Avenue, Boulder, CO
0.27
Single-Family Home
$1,302,600
08/10/26
3
3
2,228
2800 19th St, Boulder, CO
0.19
Single-Family Home
$940,000
08/06/26
3
2
1,256
1526 Sunset Blvd, Boulder, CO
0.20
Single-Family Home
$2,150,000
08/11/26
3
2
2,436
2283 Nicholl St E, Boulder, CO
0.43
Single-Family Home
$1,470,000
12/17/25
4
2.5
1,916
2851 20th St, Boulder, CO
0.25
Single-Family Home
$1,017,800
04/24/26
3
1.5
1,806
2815 11th St, Boulder, CO
0.43
Single-Family Home
$1,595,000
03/05/26
4
3
2,070
1836 Mapleton Ave, Boulder, CO
0.31
Single-Family Home
$2,100,000
09/22/25
3
3
2,210
2085 Balsam Dr, Boulder, CO
0.38
Single-Family Home
$3,875,000
05/04/26
4
3
3,878

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
2700 15th St, Boulder, CO 80304
0.05
$3,145,900
5
3.5
4,125
Off Market
1600 Alpine Ave, Boulder, CO 80304
0.05
$1,079,800
3
1
1,009
Off Market
1503 Balsam Ave, Boulder, CO 80304
0.07
$1,151,400
3
2
1,965
Off Market
1557 North St, Boulder, CO 80304
0.09
$1,157,500
3
2
1,440
Recently Sold
1709 Alpine Ave #6, Boulder, CO 80304
0.07
$909,800
2
2.5
1,512
Off Market
1434 Balsam Ave #(set back), Boulder, CO 80304
0.11
$2,629,700
6
5.5
4,764
Off Market
2834 15th St, Boulder, CO 80304
0.10
$3,689,000
5
4.5
4,423
Off Market
1430 Balsam Avenue, Boulder, CO 80304
0.12
$2,508,600
5
4
4,641
Off Market
1666 North St, Boulder, CO 80304
0.09
$1,281,000
2
1
1,113
Off Market
1626 North St, Boulder, CO 80304
0.10
$1,589,600
3
2
1,980
Off Market
1431 Balsam Ave, Boulder, CO 80304
0.12
$1,605,500
3
2
2,351
Off Market
2870 15th St, Boulder, CO 80304
0.11
$1,367,900
4
2
3,073
Off Market

Local Information

  • Map ViewExplore the area around 1661 Alpine Ave.
  • Schools1 Preschool School1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
1985
Lot Size
3.14 acres
Living Area
1,640 sqft
Price/Sqft
$4,607
Parking
Garage

About this House

This single-family home is located at 1661 Alpine Ave, Boulder, CO. 1661 Alpine Ave is in the Old North Boulder neighborhood in Boulder, CO and in ZIP code 80304. This property has 4 bedrooms, 3 bathrooms and approximately 1,640 sqft of floor space. This property has a lot size of 3.14 acres and was built in 1985.
1661 Alpine Ave, Boulder, CO 80304 is a 4 bedroom, 3 bathroom, 1,640 sqft single-family home in Old North Boulder, built in 1985. It is currently off market. The Trulia Estimate is $7,554,800, with a rent estimate of $4,442/month.

Home Details for 1661 Alpine Ave

Exterior Features

Exterior Home Features
Roof: AsphaltExterior: Stone
Parking & Garage
GarageParking: Garage Attached

Property Information

Year Built
Year Built: 1985
Property Type / Style
Property Type: Single Family Home

Interior Features

Interior Details
Number of Rooms: 8

Lot Information

Lot Area: 3.14 acres

Price and Tax history

YearProperty taxTax assessment
2025Unavailable
$19,829,100
Home facts updated by county records

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

Old North Boulder
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Old North Boulder

At least 15 Trulia users voted on each feature.

  • 100 % Say it's dog friendly

  • 95 % Say there are sidewalks

  • 93 % Say there's wildlife

  • 91 % Say it's walkable to grocery stores

  • 90 % Say there's holiday spirit

  • 88 % Say it's walkable to restaurants

  • 88 % Say parking is easy

  • 83 % Say kids play outside

  • 79 % Say it's quiet

  • 78 % Say people would walk alone at night

  • 72 % Say yards are well-kept

  • 68 % Say neighbors are friendly

  • 62 % Say they plan to stay for at least 5 years

  • 55 % Say car is needed

  • 35 % Say streets are well-lit

  • 20 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.

LGBTQ Local Legal Protections

Frequently asked questions about 1661 Alpine Ave

  • What is 1661 Alpine Ave estimated to be worth?
    Trulia's estimated value for 1661 Alpine Ave in Boulder, CO is $7,554,800.
  • 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.
  • What do residents say about the Old North Boulder neighborhood?
    Residents describe the Old North Boulder neighborhood in Boulder, CO as dog-friendly, pedestrian-friendly, and walkable to grocery stores. See recently sold homes in Old North Boulder, Boulder.
  • How big is the lot at 1661 Alpine Ave?
    The lot at 1661 Alpine Ave in Boulder, CO is about 3.1 acres.
  • Does 1661 Alpine Ave have a garage?
    Yes, 1661 Alpine Ave in Boulder, CO has a garage.

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Apartments for Rent

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Off Market Homes Near 1661 Alpine Ave

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