Google street view image for 1850 Folsom St #310, Boulder, CO 80302

Off market sep 1985 for $108K

$535,457

Est. refi paymentEst. refi $743/mo

•

1.5 ba

•

1,357

sq ft

1850 Folsom St #310, Boulder, CO 80302

About this home

1850 Folsom St #310 is a 1,357 square foot condo with 2 bedrooms and 1.5 bathrooms. - it last sold on September 24, 1985 for $108,800. Based on Redfin's Boulder data, we estimate the home's value is $535,457.

CondoProperty Type

1971Year Built

$395Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$535,457

$427K since sold in September 1985$18K since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 12.7% higher than the average sale price ($475K) of 5 comparable homes.

SOLD SEP 10, 2026
$665,000
A
2 beds2 baths1,277 sq ft
1850 Folsom St #1005, Boulder, CO 80302
SOLD SEP 2, 2026
$389,000
B
2 beds2 baths1,059 sq ft
2227 Canyon Blvd Unit 212A, Boulder, CO 80302
SOLD SEP 15, 2026
$399,000
C
2 beds1 bath930 sq ft
2227 Canyon Blvd Unit 155B, Boulder, CO 80302
SOLD OCT 2, 2026
$499,000
D
2 beds2 baths905 sq ft
1830 22nd St #15, Boulder, CO 80302
Listing provided by metrolistCO
SOLD APR 29, 2026
$423,000
E
2 beds2 baths1,056 sq ft
1842 Canyon Blvd #202, Boulder, CO 80302
Listing provided by metrolistCO

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Earn from this home

Sell

$502,637

Est. take-home

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Est. cash available

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Rent

$3,491/mo

Redfin rental estimate

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Market trends in 80302, CO

Last updated September 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-list price

96.0%

+0.7% MoM

Median sale price

$1.1M

$26K MoM

Avg. days on market

68d

5 days MoM

Recently sold homes

8 MoM

New listings for sale

NEW 17 HRS AGO
$600,000
3 beds1 bath2,000 sq ft
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Patrick Laurienti • Real Broker, LLC DBA Real
COMING SOON
$975,000
3 beds3 baths3,333 sq ft
199 Deer Trail Cir, Boulder, CO 80302
Jenny Oliveira Getting • WK Real Estate
$3,450,000
4 beds6 baths5,527 sq ft
2881 N Lakeridge Trl, Boulder, CO 80302
The Bernardi Group • Coldwell Banker Realty 14
$900,000
2 beds1 bath1,282 sq ft
377 Pearl St #5, Boulder, CO 80302
LISTED BY REDFIN
$575,000
3 beds2 baths1,600 sq ft
247 Switzerland Park Rd, Boulder, CO 80302
Redfin Corporation
OPEN SAT, 12PM TO 2PM
$2,395,000
4 beds3 baths3,555 sq ft
1345 Pine St #1, Boulder, CO 80302
$180,559
1 bed1 bath738 sq ft
2510 Taft Dr #302, Boulder, CO 80302
Yam Poudel • eXp Realty, LLC
$750,000
1 bed1 bath650 sq ft
1707 Walnut St #302, Boulder, CO 80302
3D & VIDEO TOUR
$10,400,000
5 beds6.5 baths8,479 sq ft
470 Weaver Dr, Boulder, CO 80302
VIDEO TOUR
$1,750,000
3 beds1.5 baths1,234 sq ft
1327 Weaver Dr Unit & 1443, Boulder, CO 80302
See all

Provided by Redfin

Sale history for 1850 Folsom St #310

Year

Property tax

Land + Additions

Assessment*

2025

$2,701 (−2.2%)

$34,581

2024

$2,761 (+1.8%)

$34,581

2023

$2,713 (+16.8%)

$38,114

2022

$2,323 (+4.9%)

$41,799

2021

$2,216 (−11.4%)

$31,970

2020

$2,502 (+1.6%)

$32,890

2019

$2,464 (+13.8%)

$35,893

2018

$2,165 (+3.2%)

$35,893

2017

$2,097 (−7.5%)

$32,170

2016

$2,267 (+5.6%)

$32,170

2015

$2,147 (+23.0%)

$26,196

2014

$1,745 (+2.2%)

$20,298

2013

$1,707 (−2.5%)

$20,298

2012

$1,750 (+0.9%)

$20,298

2011

$1,735 (+3.1%)

$20,895

2010

$1,683 (+7.1%)

$20,895

2009

$1,571

$20,820

Tax history for 1850 Folsom St #310

Year

Property tax

Land + Additions

Assessment*

2025

$2,701 (−2.2%)

$34,581

2024

$2,761 (+1.8%)

$34,581

2023

$2,713 (+16.8%)

$38,114

2022

$2,323 (+4.9%)

$41,799

2021

$2,216 (−11.4%)

$31,970

2020

$2,502 (+1.6%)

$32,890

2019

$2,464 (+13.8%)

$35,893

2018

$2,165 (+3.2%)

$35,893

2017

$2,097 (−7.5%)

$32,170

2016

$2,267 (+5.6%)

$32,170

2015

$2,147 (+23.0%)

$26,196

2014

$1,745 (+2.2%)

$20,298

2013

$1,707 (−2.5%)

$20,298

2012

$1,750 (+0.9%)

$20,298

2011

$1,735 (+3.1%)

$20,895

2010

$1,683 (+7.1%)

$20,895

2009

$1,571

$20,820

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning

BR-1

Business-Regional 1 District

Business centers of the Boulder Valley, containing a wide range of retail and commercial operations, including the largest regional-scale businesses, which serve outlying residential development; and where the goals of the Boulder Urban Renewal Plan are implemented.

Permitted uses

Include but are not limited to:

Religious facility
Bank
General retail
Infrastructure
Public service
Educational/school
Museum / gallery
Recreation
Veterinary clinic
Park & open space

Property details

Interior

Bathroom Information
# of Full Baths: 1
# of 1/2 Baths: 1

Heating & Cooling
Heating Type: Forced Air

Room Information
# of Rooms: 4

Exterior

Exterior Information
Physical Condition: Average
Building Style Type: Condominium
Construction Type: Masonry
Building Construction Quality: Average
Exterior Wall: Brick Veneer
Building Type: Condo Apartment

Property Information
Subdivision Name: HORIZON WEST CONDOS AMD 2
Living Sq. Ft: 1,357
Ground Floor Sq. Ft: 1,357
Building Sq. Ft: 1,357
# of Stories: 1
Stories Type: 1
Legal Description: UNIT 310 & UND .00971 INT GCE HORIZON WEST CONDOS AMENDED 2

Parking & Garage Information
Parking Type: Carport
Garage/Parking Sq. Ft: 162
Garage / Carport Type: Carport

Lot Information
# of Buildings: 1
Land Sq. Ft: 117,444
Municipality Name: BOULDER
Acres: 2.6961
County Use Description: CONDOMINIUM

Financial

Assessor Information
Assessment Year: 2025
Tax Area: RE2-BLDR-NCWD-UDFC

Public facts

Beds: 2
Baths: 1.5
Sq. Ft.: 1,357
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1971
Year Renovated: 1971
County: Boulder County
APN: R0076381

Home facts updated by county records on Sep 2, 2026

About this building

4 for sale

1850 Folsom St Boulder, CO, 80302

See photos & sale trends

Photo via 411 listing

Units for sale


601	$450,000	1 bed	1 bath	993 sq ft
402	$490,000	1 bed	1 bath	801 sq ft
411	$479,000	2 beds	2 baths	1357 sq ft
1010	$525,000	2 beds	2 baths	1357 sq ft

Around this home

Schools

Whittier Elementary School

Public K-5 • Assigned • 0.4mi

6/10

Casey Middle School

Public 6-8 • Assigned • 1.0mi

5/10

Boulder High School

Public 9-12 • Assigned • 0.9mi

9/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

2/10 Fire Factor

0.00% chance of being in a wildfire in next 30 years

3/10 Heat Factor

7 days above 91° expected this year, 18 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

2/10 Air Factor

2 unhealthy days expected this year, 2 days in 30 years

Provided by First Street

Historical weather

Boulder, CO • 80302

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 10.5 hours in June and 6 hours in December, placing it above the U.S. average for solar exposure.

10.5 hrs

6 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$509,000 – $616,000

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New listings for sale in 80302

NEW 17 HRS AGO

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Listing provided by REColorado as Distributed by MLS Grid

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Listing provided by REColorado as Distributed by MLS Grid

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Listing provided by REColorado as Distributed by MLS Grid

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Listing provided by REColorado as Distributed by MLS Grid

OPEN SAT, 12PM TO 2PM3D WALKTHROUGH

$2,395,000

4 beds3 baths3,555 sq ft

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$180,559

1 bed1 bath738 sq ft

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Listing provided by REColorado as Distributed by MLS Grid

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3D & VIDEO TOUR

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Home values near 1850 Folsom St #310

Data from public records.

Address	Redfin Estimate
1850 Folsom Street #201, Boulder, CO 1 Beds \| 1 Baths \| 993 Sq. Ft.	$433,263
1850 Folsom Street #411, Boulder, CO 2 Beds \| 2 Baths \| 1357 Sq. Ft.	$466,818

Address	Redfin Estimate
1850 Folsom Street #505, Boulder, CO 2 Beds \| 2 Baths \| 1277 Sq. Ft.	$502,019
1850 Folsom Street #602, Boulder, CO 1 Beds \| 1 Baths \| 801 Sq. Ft.	$430,947

Address	Redfin Estimate
1850 Folsom Street #503, Boulder, CO 1 Beds \| 1 Baths \| 801 Sq. Ft.	$396,983
1850 Folsom Street #601, Boulder, CO 1 Beds \| 1 Baths \| 993 Sq. Ft.	—

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 80302, CO

Sale history for 1850 Folsom St #310

Tax history for 1850 Folsom St #310

Zoning

Property details

About this building

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 80302

Home values near 1850 Folsom St #310

More real estate resources