Google street view image for 4120 Riverside Ave, Boulder, CO 80304

Off market aug 2025 for $1M

$1,176,633

Est. refi paymentEst. refi $6,799/mo

•

3 ba

•

1,969

sq ft

4120 Riverside Ave, Boulder, CO 80304

About this home

Single-familyProperty Type

3,302 sq ftLot Size

$598Est. Price/Sq.Ft.

1 garage spacesParking

Listed by Oisin Down • Kentwood Real Estate Cherry Creek

Bought with Oisin Down • Kentwood Real Estate Cherry Creek

Redfin checked: a few seconds ago

•Source:REColorado as Distributed by MLS Grid #5315888

Listing provided courtesy of Metrolist,Inc. (REColorado)

Redfin Estimate

$1,176,633

$171K since sold in August 2025$3,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 17.8% lower than the average sale price ($1.43M) of 6 comparable homes.

SOLD MAY 11, 2026
$1,405,000
A
4 beds3 baths2,407 sq ft
1152 Orange Pl, Boulder, CO 80304
SOLD APR 15, 2026
$1,750,000
B
3 beds3 baths2,766 sq ft
3930 Newport Ln, Boulder, CO 80304
SOLD JUN 15, 2026
$1,445,000
C
3 beds3 baths2,072 sq ft
3856 14th St, Boulder, CO 80304
SOLD SEP 25, 2026
$1,265,000
D
3 beds2.5 baths1,993 sq ft
1422 Yaupon Ave, Boulder, CO 80304
SOLD APR 24, 2026
$1,535,000
E
4 beds3.5 baths2,616 sq ft
3877 15th St, Boulder, CO 80304
SOLD OCT 10, 2025
$1,190,000
F
3 beds2.5 baths1,336 sq ft
758 Cottage Ln, Boulder, CO 80304

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Earn from this home

Sell

$318,010

Est. take-home

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Est. cash available

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Rent

$4,498/mo

Redfin rental estimate

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Market trends in 80304, CO

Last updated September 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-List Price

97.4%

+0.1% MoM

Median sale price

$1.3M

$110K MoM

Avg. days on market

63d

8 days MoM

Recently sold homes

103

15 MoM

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See all

Provided by Redfin

Sale history for 4120 Riverside Ave

Date

Event

Price

REColorado as Distributed by MLS Grid #5315888

Aug 21, 2025

Sold

$1,006,000

$511/sq ft

Aug 21, 2025

Listed

$1,006,000

$511/sq ft

IRES as Distributed by MLS Grid #814536

May 2, 2017

Sold

$825,000

$419/sq ft

Mar 24, 2017

Contingent

—

Mar 22, 2017

Listed

$760,000

$386/sq ft

+16

Public Remarks

Come home to this sun filled North Boulder house with open floor plan modern kitchen dining deck wood stove and large bedrooms with balconies. 3rd floor bedroom can be a work out area and additional television area. Downstairs is a private living area with 2nd laundry and walkout to private yard backing to lush HOA pocket park, picnic gazebo, and play ground. Large storage area above garage. Excellent location near Luck's Market, Skip Bus, and steps to Wonderland Lake.

IRES as Distributed by MLS Grid #747026

Oct 14, 2014

Sold

$575,000

$292/sq ft

Sep 16, 2014

Pending

—

Sep 13, 2014

Listed

$575,000

$292/sq ft

IRES as Distributed by MLS Grid #468332

Nov 28, 2005

Sold

$434,000

$220/sq ft

Oct 3, 2005

Listed

$444,900

$226/sq ft

Public Records

Jan 6, 1993

Sold

$167,500

$85/sq ft

Public Records

Apr 6, 1987

Sold

$94,900

$48/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$6,724 (−0.4%)

$30,644 + $39,025

$69,669

2024

$6,748 (+1.8%)

$30,644 + $39,025

$69,669

2023

$6,631 (+15.2%)

$28,823 + $47,959

$76,782

2022

$5,756 (+4.9%)

$32,508 + $47,959

$80,467

2021

$5,488 (+16.0%)

$26,431 + $35,549

$61,980

2020

$4,731 (+1.6%)

$27,191 + $36,572

$63,763

2019

$4,658 (+18.3%)

$25,740 + $28,607

$54,347

2018

$3,936 (+3.2%)

$25,740 + $28,607

$54,347

2017

$3,813 (+5.8%)

$18,144 + $27,259

$45,403

2016

$3,604 (+5.6%)

$18,144 + $27,259

$45,403

2015

$3,413 (+14.9%)

$16,636 + $25,002

$41,638

2014

$2,971 (+2.2%)

$15,602 + $18,961

$34,563

2013

$2,906 (+0.9%)

$15,602 + $18,961

$34,563

2012

$2,881 (+0.9%)

$15,602 + $18,961

$34,563

2011

$2,855 (−4.6%)

$11,701 + $22,686

$34,387

2010

$2,992 (+7.1%)

$11,701 + $22,686

$34,387

2009

$2,794

$18,710 + $18,310

$37,020

Tax history for 4120 Riverside Ave

Year

Property tax

Land + Additions

Assessment*

2025

$6,724 (−0.4%)

$30,644 + $39,025

$69,669

2024

$6,748 (+1.8%)

$30,644 + $39,025

$69,669

2023

$6,631 (+15.2%)

$28,823 + $47,959

$76,782

2022

$5,756 (+4.9%)

$32,508 + $47,959

$80,467

2021

$5,488 (+16.0%)

$26,431 + $35,549

$61,980

2020

$4,731 (+1.6%)

$27,191 + $36,572

$63,763

2019

$4,658 (+18.3%)

$25,740 + $28,607

$54,347

2018

$3,936 (+3.2%)

$25,740 + $28,607

$54,347

2017

$3,813 (+5.8%)

$18,144 + $27,259

$45,403

2016

$3,604 (+5.6%)

$18,144 + $27,259

$45,403

2015

$3,413 (+14.9%)

$16,636 + $25,002

$41,638

2014

$2,971 (+2.2%)

$15,602 + $18,961

$34,563

2013

$2,906 (+0.9%)

$15,602 + $18,961

$34,563

2012

$2,881 (+0.9%)

$15,602 + $18,961

$34,563

2011

$2,855 (−4.6%)

$11,701 + $22,686

$34,387

2010

$2,992 (+7.1%)

$11,701 + $22,686

$34,387

2009

$2,794

$18,710 + $18,310

$37,020

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

Public record

Public record
Zoning

Beds

Baths

Stories

—

Lot width

—

Lot depth

—

Lot size

3,302 Sq. Ft.

Year renovated

1990

Sq. Ft.

1,969

Year built

1982

Style

Single Family Residential

County

Boulder County

APN

R0087570

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 2, 2026.

RL-2

Residential-Low 2 District

Medium density residential areas primarily used for small-lot residential development, including without limitation, duplexes, triplexes, or townhouses, where each unit generally has direct access at ground level.

Permitted uses

Include but are not limited to:

Religious facility
Housing-Single unit
Housing-Multiple units
Educational/school
Recreation
Agriculture-Cropland
Park & open space

Property details

Parking

Parking/Garage Information
Parking Total: 2
Off Street Spaces: 1
Garage Spaces: 1

Interior

Bedroom Information
Bedrooms Total: 2

Bathroom Information
Bathrooms Total Integer: 3

Exterior

Building Information
Building Area Total: 1,969
Structure Type: House

Property Information
Property Type: Residential
Property Sub Type: Single Family Residence
Property Unattached
Living Area: 1,969
Above Grade Finished Area: 1,393
Below Grade Finished Area: 576
Common Walls: No Common Walls

Lot Information
Lot Size Square Feet: 3,302
Lot Size Acres: 0.08

Financial

Tax Information
Tax Annual Amount: $6,748
Tax Year: 2024
Parcel Number: R0087570

Location

HOA Information
Has Association
Association Fee: $900
Association Fee Frequency: Annually
Association Fee Annual: $900
Association Fee Total Annual: $900

Public facts

Beds: 2
Baths: 3.0
Sq. Ft.: 1,969
Stories: —
Lot Size: 3,302 square feet
Style: Single Family Residential
Year Built: 1982
Year Renovated: 1990
County: Boulder County
APN: R0087570

Home facts updated by county records on Sep 2, 2026

Around this home

Schools

Crest View Elementary School

Public K-5 • Assigned • 0.4mi

9/10

Centennial Middle School

Public 6-8 • Assigned • 0.7mi

6/10

Boulder High School

Public 9-12 • Assigned • 2.5mi

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

4/10 Fire Factor

3% chance of being in a wildfire in next 30 years

3/10 Heat Factor

7 days above 92° expected this year, 17 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 • 80304

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

$1.12M – $1.35M

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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

FOR SALE BY OWNER

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Home values near 4120 Riverside Ave

Data from public records.

Address	Redfin Estimate
4135 Riverside Avenue, Boulder, CO 3 Beds \| 2 Baths \| 1644 Sq. Ft.	$794,704
4106 Riverside Avenue, Boulder, CO 3 Beds \| 2 Baths \| 2050 Sq. Ft.	$948,561

Address	Redfin Estimate
4130 Riverside Avenue, Boulder, CO 4 Beds \| 2 Baths \| 2448 Sq. Ft.	$1,138,873
4170 Riverside Avenue, Boulder, CO 2 Beds \| 2 Baths \| 1152 Sq. Ft.	$874,530

Address	Redfin Estimate
4110 Riverside Avenue, Boulder, CO 4 Beds \| 2 Baths \| 2110 Sq. Ft.	$1,072,059
4160 Riverside Avenue, Boulder, CO 3 Beds \| 2 Baths \| 2000 Sq. Ft.	$928,894

Property information provided by REColorado as Distributed by MLS Grid .

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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 80304, CO

Sale history for 4120 Riverside Ave

Tax history for 4120 Riverside Ave

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 80304

Home values near 4120 Riverside Ave

More real estate resources