Google street view image for 9873 Cook St, Thornton, CO 80229

Off market jan 1999 for $114K

$362,836

Est. refi paymentEst. refi $926/mo

•

1 ba

•

861

sq ft

9873 Cook St, Thornton, CO 80229

About this home

9873 Cook St is a 861 square foot house on a 0.25 acre lot with 2 bedrooms and 1 bathroom. - it last sold on January 05, 1999 for $114,000. Based on Redfin's Thornton data, we estimate the home's value is $362,836.

Single-familyProperty Type

1984Year Built

0.25 acresLot Size

$421Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$362,836

$249K since sold in January 1999$3,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 13.2% lower than the average sale price ($418K) of 6 comparable homes.

SOLD SEP 4, 2026
$300,000
A
3 beds1 bath1,070 sq ft
9748 Clayton Cir, Thornton, CO 80229
Listing provided by metrolistCO
SOLD OCT 2, 2026
$399,000
B
3 beds1 bath1,108 sq ft
9775 Fillmore St, Thornton, CO 80229
Listing provided by metrolistCO
SOLD JUN 29, 2026
$402,000
C
3 beds2 baths1,296 sq ft
3143 E 96th Pl, Thornton, CO 80229
Listing provided by metrolistCO
SOLD MAY 13, 2026
$440,000
D
3 beds2 baths1,711 sq ft
9843 Cook St, Thornton, CO 80229
Listing provided by metrolistCO
SOLD APR 20, 2026
$471,000
E
3 beds2 baths1,268 sq ft
9885 Madison St, Thornton, CO 80229
Listing provided by metrolistCO
SOLD SEP 8, 2026
$495,000
F
3 beds2 baths1,268 sq ft
9806 Madison St, Thornton, CO 80229
Listing provided by metrolistCO

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Earn from this home

Sell

$328,924

Est. take-home

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Est. cash available

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Rent

$2,139/mo

Redfin rental estimate

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Market trends in 80229, CO

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

99.8%

0.1% MoM

Median sale price

$435K

$10K MoM

Avg. days on market

39d

12 days MoM

Recently sold homes

112

0 MoM

New listings for sale

OPEN SAT, 11AM TO 12PM
$247,500
3 beds3 baths1,764 sq ft
2467 Rainbow Dr #38, Thornton, CO 80229
Megan Freedle • Freedle and Associates LLC
COMING SOON
2259 Coronado Pkwy N Unit C, Denver, CO 80229
$265,000
2 beds2 baths1,440 sq ft
2259 Coronado Pkwy N Unit C, Denver, CO 80229
Todd Welch • RE/MAX Alliance
FOR SALE BY OWNER
$75,000
2 beds1 bath— sq ft
2837 E 93rd Pl, Thornton, CO 80229
3D WALKTHROUGH
$415,000
2 beds2 baths1,335 sq ft
10334 Adams Pl, Thornton, CO 80229
Kristen Miller • A Perfect Location Realty
3D WALKTHROUGH
$234,000
1 bed1 bath600 sq ft
8813 Colorado Blvd #207, Thornton, CO 80229
Michelle Williams • HomeSmart
$269,000
3 beds2 baths1,505 sq ft
8450 Adams Way, Denver, CO 80229
$530,000
3 beds2 baths1,602 sq ft
9640 Clermont Ln, Thornton, CO 80229
Tracy Reed • Colorado Homes of Distinction
3D WALKTHROUGH
$225,000
1 bed1 bath640 sq ft
8230 Washington St #20, Denver, CO 80229
Pamala Carter • West and Main Homes Inc
$309,870
2 beds2 baths1,147 sq ft
3281 E 103rd Pl #1403, Thornton, CO 80229
Jordan Schwartz • Engel & Volkers Denver
$475,000
4 beds2 baths1,632 sq ft
8470 Franklin Dr, Denver, CO 80229
Nicole Dingle • Century 21 Signature Realty, Inc
See all

Provided by Redfin

Sale history for 9873 Cook St

Year

Property tax

Land + Additions

Assessment*

2025

$2,466 (+6.1%)

$6,120 + $19,920

$26,040

2024

$2,325 (+0.8%)

$5,310 + $20,940

$26,250

2023

$2,305 (+4.7%)

$5,310 + $20,940

$26,250

2022

$2,202 (+6.0%)

$5,910 + $16,180

$22,090

2021

$2,078 (+18.0%)

$6,080 + $16,650

$22,730

2020

$1,761 (−0.6%)

$6,080 + $12,840

$18,920

2019

$1,770 (+10.7%)

$6,080 + $12,840

$18,920

2018

$1,599 (+2.1%)

$5,760 + $10,320

$16,080

2017

$1,566 (+46.3%)

$5,760 + $10,320

$16,080

2016

$1,071 (+14.3%)

$5,760 + $10,320

$16,080

2015

$937 (+26.3%)

$3,180 + $7,600

$10,780

2014

$742 (+1.4%)

$3,180 + $7,600

$10,780

2013

$732 (−7.9%)

$2,310 + $5,990

$8,300

2012

$794 (+0.3%)

$2,550 + $6,760

$9,310

2011

$792 (+4.3%)

$2,550 + $6,760

$9,310

2010

$759 (+4.4%)

$2,550 + $6,760

$9,310

2009

$728

$2,470 + $6,470

$8,940

Tax history for 9873 Cook St

Year

Property tax

Land + Additions

Assessment*

2025

$2,466 (+6.1%)

$6,120 + $19,920

$26,040

2024

$2,325 (+0.8%)

$5,310 + $20,940

$26,250

2023

$2,305 (+4.7%)

$5,310 + $20,940

$26,250

2022

$2,202 (+6.0%)

$5,910 + $16,180

$22,090

2021

$2,078 (+18.0%)

$6,080 + $16,650

$22,730

2020

$1,761 (−0.6%)

$6,080 + $12,840

$18,920

2019

$1,770 (+10.7%)

$6,080 + $12,840

$18,920

2018

$1,599 (+2.1%)

$5,760 + $10,320

$16,080

2017

$1,566 (+46.3%)

$5,760 + $10,320

$16,080

2016

$1,071 (+14.3%)

$5,760 + $10,320

$16,080

2015

$937 (+26.3%)

$3,180 + $7,600

$10,780

2014

$742 (+1.4%)

$3,180 + $7,600

$10,780

2013

$732 (−7.9%)

$2,310 + $5,990

$8,300

2012

$794 (+0.3%)

$2,550 + $6,760

$9,310

2011

$792 (+4.3%)

$2,550 + $6,760

$9,310

2010

$759 (+4.4%)

$2,550 + $6,760

$9,310

2009

$728

$2,470 + $6,470

$8,940

*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

SFD

Single-Family Detached District

The Comprehensive Plan calls for the development of low density residential areas within the city. One of the main forms of low density residential development is the individual single-family home on its own lot. The Single-Family Detached District provides for the development and protection of this type of development. A variety of different lot sizes and housing forms are appropriate in this district depending on its location within the community and its relationship to adjacent areas. Specific lot configurations and architectural styles within this district shall be determined through the platting process and the development permit review process.

Permitted uses

Include but are not limited to:

Garden center
Housing-Group
Housing-Single unit
Infrastructure
Park & open space

Sep 28, 2010 • Final

Residential miscellaneous

Remove and replace the roof with Owens Corning thirty-year duration shingles.

Roofing

May 4, 1998 • Final

Plumbing

Replace a water heater.

Plumbing

Water heater

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Interior

Heating & Cooling
Air Conditioning Type: Central
Heating Type: Forced Air

Room Information
# of Rooms: 4

Exterior

Exterior Information
Physical Condition: Average
Foundation Type: Concrete
Building Style Type: Ranch
Construction Type: Frame
Building Construction Quality: Average
Exterior Wall: Frame Siding
Roof Shape Type: Gable
Building Type: Residential

Property Information
Subdivision Name: NORTH HILLS FILING ONE SUB
Living Sq. Ft: 861
Adjusted Gross Sq. Ft: 861
Ground Floor Sq. Ft: 861
Building Sq. Ft: 1,260
# of Stories: 1
Legal Description: SUB:NORTH HILLS FILING NUMBER ONE SUBD BLK:7 LOT:12

Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 399
Garage / Carport Type: Attached

Lot Information
# of Buildings: 1
Land Sq. Ft: 10,934
Legal Lot Number: 12
Legal Block Number: 7
Acres: 0.251
Depth Footage: 154
Front Footage: 71
County Use Description: SINGLE FAMILY RESID

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 2
Baths: 1.0
Sq. Ft.: 861
Stories: 1.0
Lot Size: 0.25 acres
Style: Single Family Residential
Year Built: 1984
Year Renovated: 1984
County: Adams County
APN: R0040423

Home facts updated by county records on Oct 9, 2026

Around this home

Schools

Explore Elementary School

Public PreK-8 • Assigned • 0.7mi

3/10

York International

Public K-12 • Assigned • 0.9mi

4/10

Academy High School

Public 9-12 • Assigned • 1.3mi

3/10

Mapleton Expeditionary School Of The Arts

Public 9-12 • Assigned • 1.3mi

2/10

Mapleton Early College High School

Public 9-12 • Assigned • 1.3mi

4/10

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

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

3/10 Heat Factor

7 days above 93° expected this year, 19 days in 30 years

2/10 Wind Factor

Minor risk of severe winds over next 30 years

4/10 Air Factor

5 unhealthy days expected this year, 7 days in 30 years

Provided by First Street

Historical weather

Thornton, CO • 80229

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

10.5 hrs

6.1 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$345,000 – $418,000

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New listings for sale in 80229

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3D WALKTHROUGH

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3D WALKTHROUGH

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Listing provided by REColorado as Distributed by MLS Grid

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New led lights • Under-mount sinks • 3,977 sq ft lot

$530,000

3 beds2 baths1,602 sq ft

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3D WALKTHROUGH

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Home values near 9873 Cook St

Data from public records.

Address	Redfin Estimate
9833 Cook St, Thornton, CO 3 Beds \| 2 Baths \| 1268 Sq. Ft.	$465,308
9863 Cook St, Thornton, CO 3 Beds \| 1 Baths \| 1236 Sq. Ft.	$402,809

Address	Redfin Estimate
9894 Cook St, Thornton, CO 3 Beds \| 2 Baths \| 1271 Sq. Ft.	$436,121
9843 Cook St, Thornton, CO 3 Beds \| 2 Baths \| 1711 Sq. Ft.	$504,686

Address	Redfin Estimate
9883 Cook St, Thornton, CO 3 Beds \| 2 Baths \| 1236 Sq. Ft.	$420,542
9853 Cook St, Thornton, CO 3 Beds \| 2 Baths \| 1524 Sq. Ft.	$466,637

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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 80229, CO

Sale history for 9873 Cook St

Tax history for 9873 Cook St

Zoning and permits

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 80229

Home values near 9873 Cook St

More real estate resources