Google street view image for 8199 Welby Rd #3603, Thornton, CO 80229

Off market

$299,497

•

3 ba

•

1,260

sq ft

8199 Welby Rd #3603, Thornton, CO 80229

About this home

8199 Welby Rd #3603 is a 1,260 square foot condo with 2 bedrooms and 3 bathrooms. Based on Redfin's Thornton data, we estimate the home's value is $299,497.

CondoProperty Type

1999Year Built

$238Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$299,497

$2,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.8% lower than the average sale price ($315K) of 6 comparable homes.

SOLD JUL 15, 2026
$329,000
A
2 beds3 baths1,408 sq ft
8199 Welby Rd #3302, Denver, CO 80229
Listing provided by metrolistCO
SOLD SEP 24, 2026
$315,000
B
2 beds3 baths1,248 sq ft
9068 Gale Blvd #1, Thornton, CO 80260
Listing provided by metrolistCO
SOLD JUL 31, 2026
$323,000
C
2 beds3 baths1,248 sq ft
9184 Gale Blvd #1, Thornton, CO 80260
Listing provided by metrolistCO
SOLD AUG 3, 2026
$305,000
D
2 beds3 baths1,088 sq ft
8199 Welby Rd #1104, Thornton, CO 80229
Listing provided by metrolistCO
SOLD AUG 31, 2026
$335,000
E
3 beds3 baths1,260 sq ft
8199 Welby Rd #1704, Thornton, CO 80229
Listing provided by metrolistCO
SOLD SEP 24, 2026
$281,000
F
2 beds2 baths1,223 sq ft
3242 E 103rd Dr #611, Thornton, CO 80229

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Earn from this home

Sell

$280,221

Est. take-home

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Rent

$2,485/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

NEW 19 HRS AGO
$98,600
3 beds2 baths1,450 sq ft
1616 E 78th Ave #135, Denver, CO 80229
Lorna Gonzalez • The Grossnickle Group
OPEN TODAY, 1PM TO 4PM
$525,000
4 beds2 baths1,594 sq ft
9536 Saint Paul St, Thornton, CO 80229
Brenda Aguilera • eXp Realty, LLC
OPEN NOV 14, 11AM TO 2PM
$610,000
3 beds3 baths3,286 sq ft
9400 Yucca Way, Thornton, CO 80229
Neelam Shrestha • RE/MAX Northwest Inc
$299,900
5 beds2 baths2,508 sq ft
8461 Corona St, Denver, CO 80229
Corey Lee Clark • Market Place Realty
$475,000
4 beds2 baths1,976 sq ft
9334 Bellaire St, Thornton, CO 80229
Kyley Ross • Workman & Associates
$65,000
3 beds2 baths1,056 sq ft
4211 E 100th Ave #465, Thornton, CO 80229
Alejandra Delacruz • A Realty Inc.
3D WALKTHROUGH
$265,000
2 beds2 baths1,440 sq ft
2259 Coronado Pkwy N Unit C, Denver, CO 80229
Todd Welch • RE/MAX Alliance
COMING SOON
$240,000
2 beds1 bath960 sq ft
2569 Devonshire Ct #71, Denver, CO 80229
Karlee Warren • LIV Sotheby's International Realty
$247,500
3 beds3 baths1,764 sq ft
2467 Rainbow Dr #38, Thornton, CO 80229
Megan Freedle • Freedle and Associates LLC
FOR SALE BY OWNER
$75,000
2 beds1 bath— sq ft
2837 E 93rd Pl, Thornton, CO 80229
See all

Provided by Redfin

Sale history for 8199 Welby Rd #3603

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2025

$2,262 (+16.6%)

$4,830 + $17,410

$22,240

2024

$1,941 (+0.7%)

$3,440 + $17,630

$21,070

2023

$1,928 (−2.1%)

$3,440 + $17,630

$21,070

2022

$1,970 (+6.2%)

$3,340 + $14,930

$18,270

2021

$1,854 (+5.6%)

$3,430 + $15,360

$18,790

2020

$1,756 (−0.4%)

$3,430 + $14,080

$17,510

2019

$1,764 (+18.9%)

$3,430 + $14,080

$17,510

2018

$1,483 (+1.8%)

$660 + $13,240

$13,900

2017

$1,457 (+29.4%)

$660 + $13,240

$13,900

2016

$1,126 (+13.2%)

$660 + $13,530

$14,190

2015

$995 (+66.9%)

$730 + $9,800

$10,530

2014

$596 (+1.3%)

$730 + $9,800

$10,530

2013

$588 (−19.9%)

$730 + $5,390

$6,120

2012

$734 (+5.3%)

$730 + $6,760

$7,490

2011

$697 (+6.9%)

$730 + $6,760

$7,490

2010

$652 (+8.9%)

$730 + $6,760

$7,490

2009

$599

$2,310 + $4,700

$7,010

Tax history for 8199 Welby Rd #3603

Year

Property tax

Land + Additions

Assessment*

2025

$2,262 (+16.6%)

$4,830 + $17,410

$22,240

2024

$1,941 (+0.7%)

$3,440 + $17,630

$21,070

2023

$1,928 (−2.1%)

$3,440 + $17,630

$21,070

2022

$1,970 (+6.2%)

$3,340 + $14,930

$18,270

2021

$1,854 (+5.6%)

$3,430 + $15,360

$18,790

2020

$1,756 (−0.4%)

$3,430 + $14,080

$17,510

2019

$1,764 (+18.9%)

$3,430 + $14,080

$17,510

2018

$1,483 (+1.8%)

$660 + $13,240

$13,900

2017

$1,457 (+29.4%)

$660 + $13,240

$13,900

2016

$1,126 (+13.2%)

$660 + $13,530

$14,190

2015

$995 (+66.9%)

$730 + $9,800

$10,530

2014

$596 (+1.3%)

$730 + $9,800

$10,530

2013

$588 (−19.9%)

$730 + $5,390

$6,120

2012

$734 (+5.3%)

$730 + $6,760

$7,490

2011

$697 (+6.9%)

$730 + $6,760

$7,490

2010

$652 (+8.9%)

$730 + $6,760

$7,490

2009

$599

$2,310 + $4,700

$7,010

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

Zoning

R-4

Residential High Density District

The purpose of the Residential-4 District is to provide a high-density district that allows 3 or more single-family attached residences on a single lot.

Permitted uses

Include but are not limited to:

Housing-Group
Housing-Multiple units
Zoo / nature facility / aquarium
Recreation
Agriculture-Cropland
Park & open space

Property details

Interior

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

Fireplace Information
# of Fireplaces: 1
Fireplace Type: Gas/Log
Has Fireplace

Room Information
# of Rooms: 6

Exterior

Exterior Information
Physical Condition: Average
Construction Type: Frame
Building Construction Quality: Average
Exterior Wall: Frame Siding
Roof Shape Type: Gable
Building Type: Multi Family Condo

Property Information
Subdivision Name: WELBY HILL CONDO
Living Sq. Ft: 1,260
Adjusted Gross Sq. Ft: 1,260
Ground Floor Sq. Ft: 1,260
Building Sq. Ft: 1,620
# of Stories: 1
Legal Description: CONDO: WELBY HILL CONDOMINIUMS UNIT:3603 DESC:BLDG 36

Parking & Garage Information
Parking Type: Built-In Garage
Garage/Parking Sq. Ft: 360
Garage / Carport Type: Built In

Lot Information
# of Buildings: 1
Land Sq. Ft: 2,385
Legal Lot Number: 3603
Acres: 0.0548
Zoning Code: R-4
County Use Description: CONDOMINIUM

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 2
Baths: 3.0
Sq. Ft.: 1,260
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1999
Year Renovated: 1999
County: Adams County
APN: R0119815

Home facts updated by county records on Oct 9, 2026

About this building

4 for sale

8199 Welby Rd, Denver, CO 80229

See photos & sale trends

Photo via 8199 Welby Rd #101

Units for sale


1406	$269,000	2 beds	2 baths	924 sq ft
703	$280,000	2 beds	1 bath	928 sq ft
1403	$280,000	2 beds	2 baths	924 sq ft
4301	$314,500	2 beds	3 baths	1148 sq ft

Around this home

Schools

K - 12
Preschool & daycare

Monterey Community School

Public K-8 • Assigned • 0.2mi

2/10

Mapleton Early College High School

Public 9-12 • Assigned • 0.7mi

4/10

Achieve Academy

Public PreK-8 • Assigned • 1.0mi

2/10

Meadow Community School

Public PreK-8 • Assigned • 1.2mi

2/10

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

5/10 Air Factor

9 unhealthy days expected this year, 10 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

$285,000 – $345,000

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New listings for sale in 80229

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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 NOV 14, 11AM TO 2PM3D WALKTHROUGH

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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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Updated finishes • Finished basement • Covered patio

Listing provided by REColorado as Distributed by MLS Grid

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2 parking spots • Built 2017

Listing provided by REColorado as Distributed by MLS Grid

3D WALKTHROUGH

$265,000

2 beds2 baths1,440 sq ft

2259 Coronado Pkwy N Unit C, Denver, CO 80229

$466 HOA • Garage • Built 1980

Listing provided by REColorado as Distributed by MLS Grid

COMING SOON

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Home values near 8199 Welby Rd #3603

Data from public records.

Address	Redfin Estimate
8199 Welby Road Unit 4003, Thornton, CO 2 Beds \| 3 Baths \| 1088 Sq. Ft.	$292,574
8199 Welby Road Unit 4005, Thornton, CO 2 Beds \| 2.5 Baths \| 1260 Sq. Ft.	$294,720
8199 Welby Road Unit 504D, Denver, CO 2 Beds \| 2 Baths \| 952 Sq. Ft.	—
8199 Welby Road Unit 3604, Thornton, CO 2 Beds \| 2.5 Baths \| 1088 Sq. Ft.	$296,624
8199 Welby Road Unit 3605, Thornton, CO 2 Beds \| 3 Baths \| 1148 Sq. Ft.	$295,898
8199 Welby Road Unit 4502, Thornton, CO 2 Beds \| 3 Baths \| 1088 Sq. Ft.	$296,681
8199 Welby Road Unit 4402, Thornton, CO 2 Beds \| 3 Baths \| 1088 Sq. Ft.	$296,139

Address	Redfin Estimate
8199 Welby Road Unit 2903, Denver, CO 3 Beds \| 3 Baths \| 1260 Sq. Ft.	$294,835
8199 Welby Road Unit 4008, Thornton, CO 2 Beds \| 2.5 Baths \| 1148 Sq. Ft.	$299,045
8199 Welby Road Unit 3005, Thornton, CO 2 Beds \| 3 Baths \| 1148 Sq. Ft.	$297,606
8199 Welby Road Unit 3002, Thornton, CO 2 Beds \| 2.5 Baths \| 1088 Sq. Ft.	$294,155
8199 Welby Road Unit 4504, Thornton, CO 3 Beds \| 2.5 Baths \| 1260 Sq. Ft.	$305,747
8199 Welby Road Unit 4205, Thornton, CO 2 Beds \| 3 Baths \| 1260 Sq. Ft.	$300,113
8199 Welby Road Unit 4107, Thornton, CO 2 Beds \| 3 Baths \| 1088 Sq. Ft.	$313,375

Address	Redfin Estimate
8199 Welby Road Unit 2902, Thornton, CO 2 Beds \| 2.5 Baths \| 1088 Sq. Ft.	$296,953
8199 Welby Road Unit 1307, Denver, CO 2 Beds \| 3 Baths \| 1376 Sq. Ft.	$303,710
8199 Welby Road Unit 3602, Thornton, CO 2 Beds \| 3 Baths \| 1088 Sq. Ft.	$301,419
8199 Welby Road Unit 3003, Thornton, CO 2 Beds \| 3 Baths \| 1260 Sq. Ft.	$288,828
8199 Welby Road Unit 4501, Thornton, CO 2 Beds \| 3 Baths \| 1148 Sq. Ft.	$285,506
8199 Welby Road Unit 4204, Denver, CO 3 Beds \| 3 Baths \| 1260 Sq. Ft.	$315,404
8199 Welby Road Unit 4102, Thornton, CO 2 Beds \| 3 Baths \| 1088 Sq. Ft.	$292,508

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About this home

Redfin Estimate

Earn from this home

Market trends in 80229, CO

Sale history for 8199 Welby Rd #3603

Tax history for 8199 Welby Rd #3603

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 80229

Home values near 8199 Welby Rd #3603

More real estate resources