Google street view image for 4120 Baseline Rd, Boulder, CO 80303

Off market may 1996 for $270K

$992,518

Est. refi paymentEst. refi $1,826/mo

•

2 ba

•

2,018

sq ft

4120 Baseline Rd, Boulder, CO 80303

About this home

4120 Baseline Rd is a 2,018 square foot house on a 0.8 acre lot with 4 bedrooms and 2 bathrooms. - it last sold on May 08, 1996 for $270,000. Based on Redfin's Boulder data, we estimate the home's value is $992,518.

Single-familyProperty Type

1956Year Built

0.8 acresLot Size

$492Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$992,518

$723K since sold in May 1996$3,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 8.8% lower than the average sale price ($1.09M) of 6 comparable homes.

SOLD SEP 11, 2026
$1,200,000
A
3 beds2 baths2,120 sq ft
5161 Laurel Ave, Boulder, CO 80303
Listing provided by metrolistCO
SOLD OCT 30, 2026
$1,175,000
B
4 beds2 baths2,414 sq ft
5140 Sioux Dr, Boulder, CO 80303
SOLD SEP 30, 2026
$990,000
C
3 beds2 baths2,482 sq ft
405 S 44th St, Boulder, CO 80305
SOLD SEP 30, 2026
$765,000
D
4 beds2 baths1,323 sq ft
730 35th St, Boulder, CO 80303
Listing provided by metrolistCO
SOLD OCT 29, 2026
$1,175,000
E
5 beds3 baths2,512 sq ft
4350 Comanche Dr, Boulder, CO 80303
SOLD NOV 2, 2026
$1,226,000
F
3 beds2 baths2,088 sq ft
245 30th St, Boulder, CO 80305

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Earn from this home

Sell

$933,463

Est. take-home

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Est. cash available

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Rent

$3,271/mo

Redfin rental estimate

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Market trends in 80303, CO

Last updated October 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-list price

98.2%

+0.3% MoM

Median sale price

$661K

$194 MoM

Avg. days on market

60d

2 days MoM

Recently sold homes

10 MoM

New listings for sale

$1,095,000
5 beds2.5 baths2,464 sq ft
4405 Osage Dr, Boulder, CO 80303
$270,000
1 bed1 bath766 sq ft
500 Mohawk Dr #202, Boulder, CO 80303
3D WALKTHROUGH
$975,000
4 beds2 baths1,969 sq ft
4713 Mckinley Dr, Boulder, CO 80303
$1,390,000
4 beds3 baths2,697 sq ft
4370 Comanche Dr, Boulder, CO 80303
Amy Drost • Housing Helpers of Colorado, LLC
$599,000
2 beds2 baths1,241 sq ft
2800 Sundown Ln #106, Boulder, CO 80303
$925,000
3 beds2 baths1,974 sq ft
1520 Patton Dr, Boulder, CO 80303
$339,000
1 bed1 bath706 sq ft
5550 Stonewall Pl #31, Boulder, CO 80303
$339,900
2 beds1 bath903 sq ft
500 Mohawk Dr #309, Boulder, CO 80303
3D WALKTHROUGH
$2,100,000
5 beds3.5 baths3,486 sq ft
6539 Stearns Ave, Boulder, CO 80303
3D WALKTHROUGH
$750,000
3 beds2 baths1,932 sq ft
3590 Madison Ave, Boulder, CO 80303
Kati Harken • Keller Williams DTC
See all

Provided by Redfin

Sale history for 4120 Baseline Rd

Year

Property tax

Land + Additions

Assessment*

2025

$5,669 (−1.8%)

$59,136 + $6,571

$65,707

2024

$5,774 (+1.8%)

$59,136 + $6,571

$65,707

2023

$5,674 (+20.6%)

$64,791 + $7,609

$72,400

2022

$4,703 (+4.9%)

$68,477 + $7,609

$76,086

2021

$4,485 (+8.6%)

$51,835 + $5,759

$57,594

2020

$4,131 (−11.7%)

$53,327 + $5,925

$59,252

2019

$4,680 (+0.3%)

$43,687 + $10,918

$54,605

2018

$4,666 (+3.2%)

$43,687 + $10,918

$54,605

2017

$4,520 (+11.7%)

$43,056 + $10,764

$53,820

2016

$4,048 (+5.6%)

$43,056 + $10,764

$53,820

2015

$3,833 (+13.8%)

$37,412 + $9,353

$46,765

2014

$3,369 (+2.2%)

$18,626 + $20,569

$39,195

2013

$3,296 (−1.2%)

$18,626 + $20,569

$39,195

2012

$3,334 (+0.9%)

$18,626 + $20,569

$39,195

2011

$3,305 (+0.5%)

$27,860 + $11,940

$39,800

2010

$3,287 (+7.1%)

$27,860 + $11,940

$39,800

2009

$3,069

$31,120 + $9,550

$40,670

Tax history for 4120 Baseline Rd

Year

Property tax

Land + Additions

Assessment*

2025

$5,669 (−1.8%)

$59,136 + $6,571

$65,707

2024

$5,774 (+1.8%)

$59,136 + $6,571

$65,707

2023

$5,674 (+20.6%)

$64,791 + $7,609

$72,400

2022

$4,703 (+4.9%)

$68,477 + $7,609

$76,086

2021

$4,485 (+8.6%)

$51,835 + $5,759

$57,594

2020

$4,131 (−11.7%)

$53,327 + $5,925

$59,252

2019

$4,680 (+0.3%)

$43,687 + $10,918

$54,605

2018

$4,666 (+3.2%)

$43,687 + $10,918

$54,605

2017

$4,520 (+11.7%)

$43,056 + $10,764

$53,820

2016

$4,048 (+5.6%)

$43,056 + $10,764

$53,820

2015

$3,833 (+13.8%)

$37,412 + $9,353

$46,765

2014

$3,369 (+2.2%)

$18,626 + $20,569

$39,195

2013

$3,296 (−1.2%)

$18,626 + $20,569

$39,195

2012

$3,334 (+0.9%)

$18,626 + $20,569

$39,195

2011

$3,305 (+0.5%)

$27,860 + $11,940

$39,800

2010

$3,287 (+7.1%)

$27,860 + $11,940

$39,800

2009

$3,069

$31,120 + $9,550

$40,670

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

Zoning and permits

Zoning
Permits

Residential-Estate District

Primarily single-family detached dwelling units with some duplexes and attached dwelling units at low to very low residential densities.

Permitted uses

Include but are not limited to:

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

Property details

Interior

Bathroom Information
# of Full Baths: 1
# of 3/4 Baths: 1

Heating & Cooling
Heating Type: Forced Air

Room Information
# of Rooms: 9

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Ranch
Construction Type: Masonry
Building Construction Quality: Good
Exterior Wall: Brick Veneer
Building Type: Single Family

Property Information
Living Sq. Ft: 2,018
Ground Floor Sq. Ft: 2,018
Building Sq. Ft: 2,714
# of Stories: 1
Stories Type: 1
Legal Description: TRACT 2141 LESS ST 5-1S-70 PER DEED 1050796 07/03/90 BCR

Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 696
Garage / Carport Type: Attached

Lot Information
# of Buildings: 1
Land Sq. Ft: 35,043
Municipality Name: BOULDER
Acres: 0.8045
County Use Description: 1 FAMILY RESID

Financial

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

Public facts

Beds: 4
Baths: 2.0
Sq. Ft.: 2,018
Stories: 1.0
Lot Size: 0.8 acres
Style: Single Family Residential
Year Built: 1956
Year Renovated: 1963
County: Boulder County
APN: R0013918

Home facts updated by county records on Sep 2, 2026

Around this home

Schools

K - 12
Preschool & daycare

Eisenhower Elementary School

Public PreK-5 • Assigned • 0.7mi

10/10

Manhattan Middle School Of The Arts And Academics

Public 6-8 • Assigned • 0.8mi

9/10

Fairview High School

Public 9-12 • Assigned • 1.8mi

10/10

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

2% 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

4/10 Air Factor

4 unhealthy days expected this year, 5 days in 30 years

Provided by First Street

Historical weather

Boulder, CO • 80303

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 10.4 hours in June and 6.1 hours in December, placing it above the U.S. average for solar exposure.

10.4 hrs

6.1 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$943,000 – $1.14M

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New listings for sale in 80303

$1,095,000

5 beds2.5 baths2,464 sq ft

4405 Osage Dr, Boulder, CO 80303

Flatiron views • Expansive backyard • Huge fenced yard

$270,000

1 bed1 bath766 sq ft

500 Mohawk Dr #202, Boulder, CO 80303

Flatiron views • Indoor pool • Garage

3D WALKTHROUGH

$975,000

4 beds2 baths1,969 sq ft

4713 Mckinley Dr, Boulder, CO 80303

Updated home • Renovated kitchen • Remodeled bathroom

$1,390,000

4 beds3 baths2,697 sq ft

4370 Comanche Dr, Boulder, CO 80303

Mountain views • No hoa • Modern kitchen

Listing provided by REColorado as Distributed by MLS Grid

$599,000

2 beds2 baths1,241 sq ft

2800 Sundown Ln #106, Boulder, CO 80303

Updated flooring • Back patio space • In-unit laundry

$925,000

3 beds2 baths1,974 sq ft

1520 Patton Dr, Boulder, CO 80303

Ranch-style home • Stainless appliances • Spacious deck

$339,000

1 bed1 bath706 sq ft

5550 Stonewall Pl #31, Boulder, CO 80303

Flatirons views • Detached garage • Private park

$339,900

2 beds1 bath903 sq ft

500 Mohawk Dr #309, Boulder, CO 80303

Indoor pool • Fitness center • Dedicated storage

3D WALKTHROUGH

$2,100,000

5 beds3.5 baths3,486 sq ft

6539 Stearns Ave, Boulder, CO 80303

Wrap-around deck • 0.33 acre lot • 2 garage spots

Home values near 4120 Baseline Rd

Data from public records.

Address	Redfin Estimate
4190 Baseline Road, Boulder, CO 3 Beds \| 2.5 Baths \| 1912 Sq. Ft.	$1,193,564
605 Meadowbrook Drive, Boulder, CO 4 Beds \| 2.5 Baths \| 2825 Sq. Ft.	$1,472,351
4130 Gilpin Drive, Boulder, CO 3 Beds \| 1.5 Baths \| 1435 Sq. Ft.	$735,788
4120 Gilpin Drive, Boulder, CO 4 Beds \| 2 Baths \| 1909 Sq. Ft.	$853,711
4145 Gilpin Drive, Boulder, CO 3 Beds \| 2 Baths \| 1224 Sq. Ft.	$750,031
4085 Gilpin Drive, Boulder, CO 3 Beds \| 1.5 Baths \| 1008 Sq. Ft.	$634,011
665 Meadowbrook Drive, Boulder, CO 5 Beds \| 3 Baths \| 3007 Sq. Ft.	$1,399,981

Address	Redfin Estimate
4090 Baseline Road, Boulder, CO 4 Beds \| 5 Baths \| 3705 Sq. Ft.	$1,308,684
635 Meadowbrook Drive, Boulder, CO 3 Beds \| 2.5 Baths \| 2430 Sq. Ft.	$1,289,693
4140 Hunt Court, Boulder, CO 4 Beds \| 3 Baths \| 2494 Sq. Ft.	$1,061,294
4160 Hunt Court, Boulder, CO 4 Beds \| 2 Baths \| 1788 Sq. Ft.	$848,388
4185 Pinon Drive, Boulder, CO 3 Beds \| 3 Baths \| 2702 Sq. Ft.	$1,459,870
4005 Gilpin Drive, Boulder, CO 3 Beds \| 5 Baths \| 1949 Sq. Ft.	$834,401
636 Meadowbrook Drive, Boulder, CO 3 Beds \| 3 Baths \| 1960 Sq. Ft.	$1,268,031

Address	Redfin Estimate
4150 Baseline Road, Boulder, CO 3 Beds \| 2.5 Baths \| 2782 Sq. Ft.	$1,357,621
715 Gilpin Drive, Boulder, CO 5 Beds \| 3 Baths \| 2208 Sq. Ft.	$873,046
4035 Gilpin Drive, Boulder, CO 3 Beds \| 2 Baths \| 1610 Sq. Ft.	$736,498
4125 Gilpin Drive, Boulder, CO 5 Beds \| 3 Baths \| 2146 Sq. Ft.	$933,826
4055 Gilpin Drive, Boulder, CO 5 Beds \| 2 Baths \| 2016 Sq. Ft.	$811,086
4080 Pinon Drive, Boulder, CO 4 Beds \| 4.5 Baths \| 4949 Sq. Ft.	$2,481,815
4055 Pinon Drive, Boulder, CO 4 Beds \| 2.5 Baths \| 3310 Sq. Ft.	$1,480,814

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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 80303, CO

Sale history for 4120 Baseline Rd

Tax history for 4120 Baseline Rd

Zoning and permits

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 80303

Home values near 4120 Baseline Rd

More real estate resources