Google street view image for 8199 Welby Rd #3905, Thornton, CO 80229

Off market

$303,351

•

3 ba

•

1,260

sq ft

8199 Welby Rd #3905, Thornton, CO 80229

About this home

8199 Welby Rd #3905 is a 1,260 square foot condo with 3 bedrooms and 3 bathrooms. Based on Redfin's Thornton data, we estimate the home's value is $303,351.

CondoProperty Type

1998Year Built

$241Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$303,351

$5,000 since September

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 6.3% lower than the average sale price ($324K) of 6 comparable homes.

SOLD AUG 31, 2026
$335,000
A
3 beds3 baths1,260 sq ft
8199 Welby Rd #1704, Thornton, CO 80229
Real Broker, LLC DBA Real
BOUGHT WITH REDFIN SEP 21, 2026
$299,000
B
3 beds3 baths1,148 sq ft
8199 Welby Rd #2201, Denver, CO 80229
Coldwell Banker Realty 24
SOLD AUG 27, 2026
$349,000
C
3 beds3 baths1,288 sq ft
9040 Gale Blvd #2, Thornton, CO 80260
Guide Real Estate
SOLD JUL 15, 2026
$329,000
D
2 beds3 baths1,408 sq ft
8199 Welby Rd #3302, Denver, CO 80229
MB Metro Real Estate Group
SOLD AUG 26, 2026
$315,000
E
3 beds3 baths1,288 sq ft
9138 Gale Blvd #2, Thornton, CO 80260
Hackett Homes
SOLD SEP 24, 2026
$315,000
F
2 beds3 baths1,248 sq ft
9068 Gale Blvd #1, Thornton, CO 80260
Sierra Vista Realty LLC

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Earn from this home

Sell

$283,854

Est. take-home

List your home with Redfin and save $3,034

Rent

$2,636/mo

Redfin rental estimate

List your home for rent

Market trends in 80229, CO

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

100.0%

0.0% MoM

Median sale price

$430K

$186 MoM

Avg. days on market

28d

7 days MoM

Recently sold homes

109

2 MoM

New listings for sale

OPEN SUN, 10AM TO 2PM
$300,000
2 beds3 baths1,088 sq ft
8199 Welby Rd #1102, Denver, CO 80229
Yvette Yzaguirre • Keller Williams Avenues Realty
$83,000
3 beds2 baths1,120 sq ft
5435 Riverdale Ave #36, Denver, CO 80229
Magdalena Tarango • Metro 21 Real Estate Group
$610,000
3 beds3 baths2,965 sq ft
2901 E 102nd Pl, Thornton, CO 80229
Erika Heredia • Resident Realty North Metro LLC
3D WALKTHROUGH
$325,000
3 beds3 baths1,398 sq ft
4970 Homestead Pl, Thornton, CO 80229
Thaddeus Robison • Rocky Mountain Real Estate Inc
3D WALKTHROUGH
$490,000
3 beds2 baths3,513 sq ft
9548 Dahlia Ln, Thornton, CO 80229
Alex Johnson • Atlas Real Estate Group
$185,000
1 bed1 bath778 sq ft
8760 Corona St #101, Denver, CO 80229
Bryan Smith • Resident Realty Colorado
3D WALKTHROUGH
$365,000
2 beds3 baths1,274 sq ft
9752 Ash Ln, Thornton, CO 80229
Alexander Saldana • Denver Property Team
$360,000
3 beds2 baths1,176 sq ft
9211 Lillian Ln, Thornton, CO 80229
Andy Bedard • 1 Percent Lists Front Range Realty
$90,000
3 beds2 baths1,216 sq ft
5102 E 96th Dr #156, Denver, CO 80229
Ivan Lujan • HomeSmart Realty
3D & VIDEO TOUR
$439,750
3 beds2 baths1,250 sq ft
1590 Oak Pl, Thornton, CO 80229
Jose "Pepe" Laguna • HomeSmart
See all

Provided by Redfin

Sale history for 8199 Welby Rd #3905

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

Year

Property tax

Land + Additions

Assessment*

2025

$1,632 (+17.4%)

$4,830 + $18,020

$22,850

2024

$1,390 (+0.6%)

$3,440 + $18,880

$22,320

2023

$1,382 (+10.3%)

$3,440 + $18,880

$22,320

2022

$1,253 (+6.2%)

$3,340 + $15,230

$18,570

2021

$1,179 (+12.6%)

$3,430 + $15,670

$19,100

2020

$1,047 (−0.4%)

$3,430 + $14,160

$17,590

2019

$1,052 (+33.7%)

$3,430 + $14,160

$17,590

2018

$787 (+1.8%)

$660 + $13,910

$14,570

2017

$772 (−32.6%)

$660 + $13,910

$14,570

2016

$1,146 (+13.1%)

$660 + $13,910

$14,570

2015

$1,013 (+70.0%)

$730 + $9,990

$10,720

2014

$596 (+1.3%)

$730 + $9,990

$10,720

2013

$588 (−18.2%)

$730 + $5,390

$6,120

2012

$719 (+5.4%)

$730 + $6,600

$7,330

2011

$682 (+6.4%)

$730 + $6,600

$7,330

2010

$641 (+8.9%)

$730 + $6,600

$7,330

2009

$589

$2,310 + $4,580

$6,890

Tax history for 8199 Welby Rd #3905

Year

Property tax

Land + Additions

Assessment*

2025

$1,632 (+17.4%)

$4,830 + $18,020

$22,850

2024

$1,390 (+0.6%)

$3,440 + $18,880

$22,320

2023

$1,382 (+10.3%)

$3,440 + $18,880

$22,320

2022

$1,253 (+6.2%)

$3,340 + $15,230

$18,570

2021

$1,179 (+12.6%)

$3,430 + $15,670

$19,100

2020

$1,047 (−0.4%)

$3,430 + $14,160

$17,590

2019

$1,052 (+33.7%)

$3,430 + $14,160

$17,590

2018

$787 (+1.8%)

$660 + $13,910

$14,570

2017

$772 (−32.6%)

$660 + $13,910

$14,570

2016

$1,146 (+13.1%)

$660 + $13,910

$14,570

2015

$1,013 (+70.0%)

$730 + $9,990

$10,720

2014

$596 (+1.3%)

$730 + $9,990

$10,720

2013

$588 (−18.2%)

$730 + $5,390

$6,120

2012

$719 (+5.4%)

$730 + $6,600

$7,330

2011

$682 (+6.4%)

$730 + $6,600

$7,330

2010

$641 (+8.9%)

$730 + $6,600

$7,330

2009

$589

$2,310 + $4,580

$6,890

*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 I 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 I CONDOMINIUMS UNIT:3905 DESC:BLDG 39

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: 2,673
Legal Lot Number: 3905
Acres: 0.0614
Zoning Code: R-4
County Use Description: CONDOMINIUM

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 3
Baths: 3.0
Sq. Ft.: 1,260
Stories: 1.0
Lot Size: —
Style: Condo/Co-op
Year Built: 1998
Year Renovated: 1998
County: Adams County
APN: R0116082

Home facts updated by county records on Oct 1, 2026

About this building

5 for sale

8199 Welby Rd, Denver, CO 80229

See photos & sale trends

Photo via 8199 Welby Rd #101

Units for sale


1406	$274,000	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
1102	$300,000	2 beds	3 baths	1088 sq ft
4301	$325,000	2 beds	3 baths	1148 sq ft

Around this home

Schools

Monterey Community School

Public K-8 • Assigned • 0.2mi

2/10

Mapleton Early College High School

Public 9-12 • Assigned • 0.6mi

4/10

Achieve Academy

Public PreK-8 • Assigned • 1.0mi

2/10

York International

Public K-12 • Assigned • 1.2mi

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

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

$289,000 – $349,000

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Nearby similar homes

OPEN SUN, 10AM TO 2PM3D WALKTHROUGH

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8199 Welby Rd #1102, Denver, CO 80229

Yvette Yzaguirre • Keller Williams Avenues Realty

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Amanda DiVito Parle • Real Broker, LLC DBA Real

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JC Denver Home Team • Keller Williams Realty Urban Elite

$199,900

2 beds1 bath900 sq ft

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Erick Ibarra • Guide Real Estate

$310,000

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Shallana Baillargeon • Compass - Denver

New listings for sale in 80229

OPEN SUN, 10AM TO 2PM3D WALKTHROUGH

$300,000

2 beds3 baths1,088 sq ft

8199 Welby Rd #1102, Denver, CO 80229

Yvette Yzaguirre • Keller Williams Avenues Realty

$83,000

3 beds2 baths1,120 sq ft

5435 Riverdale Ave #36, Denver, CO 80229

Magdalena Tarango • Metro 21 Real Estate Group

$610,000

3 beds3 baths2,965 sq ft

2901 E 102nd Pl, Thornton, CO 80229

Erika Heredia • Resident Realty North Metro LLC

3D WALKTHROUGH

$325,000

3 beds3 baths1,398 sq ft

4970 Homestead Pl, Thornton, CO 80229

Thaddeus Robison • Rocky Mountain Real Estate Inc

3D WALKTHROUGH

$490,000

3 beds2 baths3,513 sq ft

9548 Dahlia Ln, Thornton, CO 80229

Alex Johnson • Atlas Real Estate Group

$185,000

1 bed1 bath778 sq ft

8760 Corona St #101, Denver, CO 80229

Bryan Smith • Resident Realty Colorado

3D WALKTHROUGH

$365,000

2 beds3 baths1,274 sq ft

9752 Ash Ln, Thornton, CO 80229

Alexander Saldana • Denver Property Team

$360,000

3 beds2 baths1,176 sq ft

9211 Lillian Ln, Thornton, CO 80229

Andy Bedard • 1 Percent Lists Front Range Realty

$90,000

3 beds2 baths1,216 sq ft

5102 E 96th Dr #156, Denver, CO 80229

Ivan Lujan • HomeSmart Realty

Home values near 8199 Welby Rd #3905

Data from public records.

Address	Redfin Estimate
8199 Welby Rd Apartment 4004, Denver, CO 3 Beds \| 3 Baths \| 1260 Sq. Ft.	$399,237
8199 Welby Rd Apartment 4006, Denver, CO 2 Beds \| 2.5 Baths \| 1088 Sq. Ft.	$297,670

Address	Redfin Estimate
8199 Welby Rd Apartment 3903, Thornton, CO 2 Beds \| 2.5 Baths \| 1088 Sq. Ft.	$303,585
8199 Welby Rd Apartment 4007, Denver, CO 2 Beds \| 3 Baths \| 1088 Sq. Ft.	$298,341

Address	Redfin Estimate
8199 Welby Rd Apartment 2803, Thornton, CO 3 Beds \| 3 Baths \| 1260 Sq. Ft.	$289,538
8199 Welby Rd Apartment 1203, Denver, CO 2 Beds \| 2.5 Baths \| 1088 Sq. Ft.	$304,031

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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 8199 Welby Rd #3905

Tax history for 8199 Welby Rd #3905

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 #3905

More real estate resources