770 Union Ave, Boulder, CO 80304
Property image
Property image
OFF MARKET

$3,115,500

Trulia Estimate
  • 5 Beds
  • 5 Baths
  • 5,826 sqft (on 0.27 acres)

770 Union Ave, Boulder, CO 80304

North Wonderland
Est. Refi. Payment $17,369/mo*
Refinance Your Home
Currently Off Market - Sold Mar 25, 2019 for $2,370,000

Home Value

Trulia Estimate
$3.12M
Since last month
Decreased$39K (-1.2%)
Since last year
Decreased$8K (-0.2%)
Since last sale
Increased$745K (+31.4%)
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 +40% in the last 10 years
MonthEstimated value
2026
August 2026$3.11M
July 2026$3.15M
June 2026$3.16M
May 2026$3.13M
April 2026$3.12M
March 2026$3.1M
February 2026$3.02M
January 2026$2.91M
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
990 Utica Circle, Boulder, CO
0.27
Single-Family Home
$2,800,000
10/28/25
5
4.5
5,179
468 Locust Pl, Boulder, CO
0.13
Single-Family Home
$1,784,280
09/30/25
5
3
4,248
1095 Redwood Ave, Boulder, CO
0.38
Single-Family Home
$4,300,000
02/27/26
5
5
4,959
700 Yellow Pine Avenue, Boulder, CO
0.49
Single-Family Home
$2,500,000
12/15/25
4
4.5
4,805
3917 Orchard Ct, Boulder, CO
0.50
Single-Family Home
$2,420,000
08/07/26
4
4
4,719
1111 Utica Cir, Boulder, CO
0.30
Single-Family Home
$1,500,000
07/24/26
5
3.5
3,170
950 Quince Ave #A, Boulder, CO
0.43
Single-Family Home
$2,300,000
10/14/25
5
4
2,793
4818 6th St, Boulder, CO
0.65
Single-Family Home
$1,850,000
06/05/26
4
4.5
5,456
4796 6th St, Boulder, CO
0.62
Single-Family Home
$2,250,000
05/26/26
5
3.5
4,047
995 Quince Ave, Boulder, CO
0.39
Single-Family Home
$1,820,000
07/14/26
4
4
3,794

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
725 Union Ave, Boulder, CO 80304
0.03
$1,134,000
4
3
2,194
Off Market
625 Utica Ave, Boulder, CO 80304
0.03
$2,824,800
5
3.5
4,854
Off Market
564 Locust Pl, Boulder, CO 80304
0.05
$1,667,400
4
3.5
3,177
Off Market
805 Union Avenue, Boulder, CO 80304
0.07
$1,090,900
3
2
1,200
Off Market
547 Utica Ave, Boulder, CO 80304
0.07
$1,035,600
3
2
1,614
Off Market
563 Locust Pl, Boulder, CO 80304
0.08
$2,569,200
5
4.5
4,135
Off Market
735 Utica Ave, Boulder, CO 80304
0.06
$3,067,700
4
4
4,178
Off Market
700 Utica Avenue, Boulder, CO 80304
0.07
$6,895,000
4
3.5
4,578
For Sale
476 Locust Pl, Boulder, CO 80304
0.11
$1,826,100
4
3.5
2,713
Off Market
548 Utica Ct, Boulder, CO 80304
0.10
$3,586,700
4
2.5
4,424
Off Market
470 Utica Ave, Boulder, CO 80304
0.11
$3,880,400
5
4.5
5,207
Off Market
468 Locust Pl, Boulder, CO 80304
0.13
$1,768,800
5
3
4,248
Off Market

Local Information

  • Map ViewExplore the area around 770 Union Ave.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

Home Highlights

Property Type
Single-Family Home
Year Built
2001
Lot Size
0.27 acres
Living Area
5,826 sqft
Price/Sqft
$535
Parking
Garage

About this House

Live with nature in this green built home with walls of windows, amazing outdoor spaces, park-like backyard & fantastic layout boasting light filled spaces, generously sized rooms & stylish, eco friendly finishes. Enjoy a lifestyle of walking/biking to EVERYTHING in this coveted neighborhood surrounded on 3 sides by open space including Wonderland Lake & Foothills Park - a few blocks to Lucky's market & dozens of great shops, restaurants & schools. See DOCs for details (geothermal & more!)
770 Union Ave, Boulder, CO 80304 is a 5 bedroom, 5 bathroom, 5,826 sqft single-family home in North Wonderland, built in 2001. It last sold for $2,370,000 on Mar 25, 2019. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $3,115,500, with a rent estimate of $7,919/month.

Home Details for 770 Union Ave

Interior Features

Interior Details
BasementNumber of Rooms: 10
Heating & Cooling
Heating: RadiantAir ConditioningCooling System: CentralHeating Fuel: Radiant
Levels, Entrance, & Accessibility
Stories: 3

Exterior Features

Exterior Home Features
Roof: MetalDeckExterior: Stucco
Parking & Garage
GarageParking: Garage Attached

Property Information

Year Built
Year Built: 2001Year Updated: 2003
Property Type / Style
Property Type: Single Family HomeArchitecture: split level

Community

Units in Building: 1

Lot Information

Lot Area: 0.27 acres

Price and Tax history

DateEventPrice
Mar 25, 2019
Source: IRES as distributed by MLS GRID #875692
Sold
$2,370,000
Jun 27, 2017
Source: Agent Provided
ListingRemoved
$2,195,000
Apr 20, 2017
Source: Agent Provided
Listed For Sale
$2,195,000
Jul 19, 2012
Source: IRES as distributed by MLS GRID #679361
Sold
$1,600,000
May 1, 2012
Source: Agent Provided
PriceChange
$1,695,000
Price increased by 6%

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

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

What Locals Say about North Wonderland

  • Azeljo
    "The Skip stops often and is quick ride to downtown pearl street mall or connect to the main bus stop which goes anywhere."
    3
    Flag
  • Azeljo
    "Great location nestled among a lake, mountains and a gorgeous park. Short walk to the grocery store, cafes."
    0
    Flag
  • Jan K.
    "I enjoy the quietness, closeness to nature, friendly neighbors. I appreciate the quality of nearby grocery store with abundance of organic food & quality meat & poultry. Several coffee shops within walking distance. Waldorf Elementary & High School, Foothills Community Park, Wonderland Lake, and City of Boulder Open Space all within a short distance. RTD, the public bus, runs about every 10 minutes from various stops on Broadway. Bus to downtown & to University of Colorado & to Denver International Airport. Northwest Boulder is a fabulous area to live in. My house has continued to increase in value. This area is strong in this economy."
    1
    Flag

LGBTQ Local Legal Protections

Frequently asked questions about 770 Union Ave

  • What is 770 Union Ave estimated to be worth?
    Trulia's estimated value for 770 Union Ave in Boulder, CO is $3,115,500.
  • What is the price history for 770 Union Ave?
    770 Union Ave in Boulder, CO last sold for $2,370,000 in March 2019.
  • 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 770 Union Ave have air conditioning?
    Yes, 770 Union Ave in Boulder, CO has air conditioning.
  • How big is the lot at 770 Union Ave?
    The lot at 770 Union Ave in Boulder, CO is about 0.27 acres (11,784 sq ft).

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