635 Alpine Ave, Boulder, CO 80304
Property image
Property image
OFF MARKET

$1,364,900

Trulia Estimate
  • 3 Beds
  • 2 Baths
  • 1,906 sqft

635 Alpine Ave, Boulder, CO 80304

Newlands
Est. Refi. Payment $7,965/mo*
Refinance Your Home
Currently Off Market - Sold May 23, 2025 for $1,000,000

Home Value

Trulia Estimate
$1.36M
Since last month
Increased$12K (+0.9%)
Since last year
Increased$49K (+3.7%)
Since last sale
Increased$380K (+38%)
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 +26% in the last 10 years
MonthEstimated value
2026
September 2026$1.38M
August 2026$1.37M
July 2026$1.37M
June 2026$1.43M
May 2026$1.44M
April 2026$1.42M
March 2026$1.42M
February 2026$1.39M
January 2026$1.33M
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
810 Alpine Ave, Boulder, CO
0.08
Single-Family Home
$1,255,000
06/30/26
3
2
1,700
653 Dewey Avenue, Boulder, CO
0.14
Single-Family Home
$1,600,000
06/01/26
3
2
1,800
826 Maxwell Avenue, Boulder, CO
0.31
Single-Family Home
$1,450,000
06/30/26
3
2
1,620
3075 5th St, Boulder, CO
0.37
Single-Family Home
$995,000
03/11/26
3
2
1,291
3150 5th Street, Boulder, CO
0.45
Single-Family Home
$1,000,000
04/20/26
3
2
1,836
2651 9th St, Boulder, CO
0.08
Single-Family Home
$960,000
04/28/26
4
3
1,968
3011 13th St, Boulder, CO
0.50
Single-Family Home
$1,080,000
09/09/26
3
2
1,549
2815 11th St, Boulder, CO
0.23
Single-Family Home
$1,595,000
03/05/26
4
3
2,070
3010 10th St, Boulder, CO
0.32
Single-Family Home
$1,400,000
06/01/26
2
2
2,020
405 Valley View Dr, Boulder, CO
0.21
Single-Family Home
$1,810,000
03/02/26
3
2.5
1,937

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
2725 8th St, Boulder, CO 80304
0.03
$1,956,000
8
6
2,832
For Sale
815 Alpine Ave #4, Boulder, CO 80304
0.05
$619,700
2
1
1,052
Off Market
815 Alpine Ave #5, Boulder, CO 80304
0.06
$651,300
2
1.5
1,052
Off Market
815 Alpine Ave #2, Boulder, CO 80304
0.05
$495,000
2
1
872
For Sale
2750 7th St, Boulder, CO 80304
0.04
$2,815,700
4
2.5
3,044
Off Market
2760 7th St, Boulder, CO 80304
0.05
$2,165,200
4
3
2,645
Off Market
780 Alpine Ave, Boulder, CO 80304
0.05
$930,000
-
-
-
Recently Sold
804 Alpine Ave, Boulder, CO 80304
0.06
$2,653,800
4
5
3,742
Off Market
618 Alpine Ave #4, Boulder, CO 80304
0.04
$776,500
2
1.5
1,170
Off Market
605 Alpine Ave, Boulder, CO 80304
0.04
$1,391,900
4
2
2,016
Off Market
810 Alpine Ave, Boulder, CO 80304
0.08
$1,255,000
3
2
1,700
Recently Sold

Local Information

  • Map ViewExplore the area around 635 Alpine Ave.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Single-Family Home
Built in 1909
1,906 sqft
$716/sqft
Garage

About this House

A rare and versatile opportunity in the heart of West Boulder's beloved Newlands neighborhood. Set on an expansive 8,400-square-foot lot, this duplex-zoned property directly borders North Boulder Park, offering an exceptional canvas for redevelopment or a custom home in one of the city's most sought-after enclaves. The existing cottage includes a welcoming wraparound front porch, hardwood floors, and a flexible walk-out lower level with a private entrance and second kitchen-ideal for rental income or multi-unit living as you plan your future project. The true value of this property lies in its unbeatable location. With North Boulder Park as your backyard, enjoy year-round recreation, from summer picnics and sports fields to groomed cross-country ski trails in winter. Just minutes away, you'll find Ideal Market, renowned dining, and the vibrant energy of Pearl Street, while nearby Mount Sanitas offers world-class hiking and outdoor adventure. An incredible setting, limitless potential, and a premier Boulder address-this is a rare opportunity to secure a coveted piece of real estate in one of the city's most desirable neighborhoods.
635 Alpine Ave, Boulder, CO 80304 is a 3 bedroom, 2 bathroom, 1,906 sqft single-family home in Newlands, built in 1909. It last sold for $1,000,000 on May 23, 2025 (13% below the $1,150,000 asking price). More recently, it was listed as a rental in July 2025 with an asking price of $5,250 per month. That rental listing was removed on August 2, 2025. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $1,364,900, with a rent estimate of $4,278/month.
Last check for updates: about 11 hours ago
Listed by The Zach Zeldner Team, (720) 480-7650
Compass - Boulder
Ethan Bullock, (303) 501-4959
Compass - Boulder
Bought with: The Zach Zeldner Team, (720) 480-7650, Compass - Boulder
Source: IRES as distributed by MLS GRID, MLS#1028307

Home Details for 635 Alpine Ave

Interior Features

Interior Details
Basement: Full,Partially Finished,Walk-Out AccessNumber of Rooms: 8Types of Rooms: Primary Bedroom, Bedroom 2, Bedroom 3, Dining Room, Family Room, Kitchen, Laundry, Living Room
Beds & Baths
Number of Bedrooms: 3Number of Bathrooms: 2Number of Bathrooms (full): 1Number of Bathrooms (three quarters): 1Number of Bathrooms (main level): 1
Dimensions and Layout
Living Area: 1906 Square Feet
Appliances & Utilities
Utilities: Natural Gas Available, Electricity AvailableAppliances: Electric Range, Refrigerator, Washer, Dryer, MicrowaveDryerMicrowaveRefrigeratorWasher
Heating & Cooling
Heating: Forced AirHas CoolingAir Conditioning: Ceiling Fan(s)Has HeatingHeating Fuel: Forced Air
Gas & Electric
Electric: XcelGas: XcelHas Electric on Property
Windows, Doors, Floors & Walls
Window: Window CoveringsFlooring: Wood
Levels, Entrance, & Accessibility
Stories: 2Levels: TwoFloors: Wood
View
No View

Exterior Features

Exterior Home Features
Roof: CompositionFencing: Fenced, Wood
Parking & Garage
Number of Garage Spaces: 1Number of Covered Spaces: 1Other Parking: DetachedNo CarportHas a GarageNo Attached GarageParking Spaces: 1Parking: Detached
Frontage
Not on Waterfront
Water & Sewer
Sewer: Public Sewer
Farm & Range
Does Not Include Irrigation Water Rights
Finished Area
Finished Area (above surface): 1906 Square Feet

Property Information

Year Built
Year Built: 1909
Property Type / Style
Property Type: ResidentialProperty Subtype: Mixed Use
Building
Construction Materials: Wood SidingNot a New ConstructionNot Attached Property
Property Information
Usage of Home: Single Family, Multi-FamilyNot Included in Sale: Seller's personal property.Parcel Number: R0005377

Price & Status

Price
List Price: $1,150,000

Active Status

MLS Status: Sold

Media

Location

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

Building

Building Area
Building Area: 1906 Square Feet

HOA

No HOA

Lot Information

Lot Area: 8414 sqft

Listing Info

Special Conditions: Private Owner

Offer

Listing Terms: Cash, Conventional

Energy

Energy Efficiency Features: Southern Exposure, Windows

Miscellaneous

BasementMls Number: 1028307Attribution Contact: 720-480-7650Above Grade Unfinished Area: 1906Activation Date: Thu Mar 13 2025Back On Market Date: Mon Apr 14 2025Showing Service Name: ShowingTime

Price and Tax history

DateEventPrice
Aug 2, 2025
Source: Zillow Rentals
ListingRemoved
$3,950
Jul 28, 2025
Source: Zillow Rentals
PriceChange
$3,950
Price decreased by 10%
Jul 15, 2025
Source: Zillow Rentals
PriceChange
$4,400
Price decreased by 11%
Jul 12, 2025
Source: Zillow Rentals
PriceChange
$4,950
Price decreased by 6%
Jul 10, 2025
Source: Zillow Rentals
Listed For Rent
$5,250

Market trends in Boulder

Last updated August 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
$904K
$6.67KMoM
Sale-to-List Price
98.2%
0.2%MoM
Price per sq ft
$489
$10MoM
Available listings
765
3MoM

Around this home

Neighborhood Overview

Newlands
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Newlands

At least 11 Trulia users voted on each feature.

  • 100 % Say there's holiday spirit

  • 100 % Say it's dog friendly

  • 94 % Say it's walkable to restaurants

  • 92 % Say parking is easy

  • 92 % Say yards are well-kept

  • 91 % Say it's walkable to grocery stores

  • 83 % Say there are sidewalks

  • 83 % Say kids play outside

  • 81 % Say people would walk alone at night

  • 77 % Say there's wildlife

  • 65 % Say neighbors are friendly

  • 64 % Say they plan to stay for at least 5 years

  • 61 % Say car is needed

  • 59 % Say it's quiet

  • 50 % Say streets are well-lit

  • 50 % Say there are community events

Sourced by Trulia users. Learn more about our methodology.
  • susanljosephs
    "The most sought after neighborhood in Boulder, great schools, access to mountain trails, friendly neighbors, hard to find property in this neighborhood."
    1
    Flag

LGBTQ Local Legal Protections

Based on information submitted to the MLS GRID as of 2026-09-22 01:23:03 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

Frequently asked questions about 635 Alpine Ave

  • What is 635 Alpine Ave estimated to be worth?
    Trulia's estimated value for 635 Alpine Ave in Boulder, CO is $1,364,900.
  • What is the price history for 635 Alpine Ave?
    635 Alpine Ave in Boulder, CO last sold for $1,000,000 in May 2025.
  • 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 $904K. That is up $6.67K from the prior month.
  • Does 635 Alpine Ave have air conditioning?
    Yes, 635 Alpine Ave in Boulder, CO has air conditioning.
  • Does 635 Alpine Ave have laundry facilities?
    Yes, 635 Alpine Ave in Boulder, CO has in-unit laundry.

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Apartments for Rent

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Off Market Homes Near 635 Alpine Ave

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