12684 Ulster Street Thornton, CO ^$ 689,000

12684 Ulster Street

^$ 689,000

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Recently Listed

12684 Ulster Street

Thornton, CO, 80602

^$ 689,000

Bedrooms4 Baths3.1 Sq 3,153

Monthly Estimate*

^$ 4,242

Listed by Carlson Associates

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Single Family Home for sale in Thornton, CO

for $689,000 with 4 bedrooms and 3 full baths, 1 half bath. This 3,153 square foot home was built in 2020 on a lot size of 0.15.

Exceptional former model ranch paired home showcasing premium upgrades and designer finishes throughout. The thoughtfully crafted floor plan features 2 main-floor bedrooms. The primary bedroom features a spacious bathroom that includes a walk-in shower. Through the bathroom you will find the impressive walk-in closet. The second bedroom is also an ensuite providing privacy and comfort. The kitchen is beautifully finished with quartz countertops, tile backsplash, stainless steel appliances and a large island. The kitchen, eating area and living room provide an open feel with plenty of natural light and views out the windows. This area also gives way to a secluded deck that looks out to the east and to the open space that surrounds the back of the property. The well designed walkout basement adds 2 additional bedrooms, one of which has its own bathroom with a walk-in shower and walk-in closet. The large living area in the basement, which includes a small sink, counter space and a gas fireplace, is ideal for entertaining or extended living arrangements. The finished lower level expands the living space while maintaining comfort and functionality. A rare opportunity to own a beautifully appointed, move-in-ready home with the convenience of low-maintenance living.

Single Family Active

Price

^$ 689,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 6,491

Style

Contemporary

Lot Size

0.15

Year Built

2020

Town/City

Thornton

County/Region

Adams

MLS | Web ID

8332881

Features

Interior

Interior Amenities Eat-in Kitchen Five Piece Bath High Ceilings Kitchen Island Open Floorplan Primary Suite Quartz Counters Smoke Free Walk-In Closet(s)

Basement Exterior Entry Finished Full Sump Pump Walk-Out Access

Flooring Carpet

Total Fireplaces 1

Fireplace Features Basement

Common Walls 1 Common Wall

Basement (Y/N) Y

Window Features Window Coverings

Above Grade Finished Area 1647

Half Baths 1

1/4 Baths 0

3/4 Baths 2

Laundry Features Sink In Unit

Total Bedrooms 4

Below Grade Finished Area 1218

Main Level Bedrooms 2

Main Level Bathrooms 3

Total Baths 4

General

Sewer Public Sewer

Heating Forced Air

Cooling Central Air

Possession Closing/DOD

Roof Composition

Appliances Cooktop Dishwasher Disposal Microwave Oven Refrigerator Sump Pump Washer

HOA Fee 309.5

Garage Spaces 2

Association Fee Includes Maintenance Grounds Recycling Snow Removal Trash

Patio/Porch Features Deck

Architectural Style Contemporary

Security Features Carbon Monoxide Detector(s) Smoke Detector(s)

Construction Materials Frame

Exclusions all personal property

Year Built 2020

Levels One

Property Subtype Single Family Residence

Tax Year 2025

Ownership Individual

Assoc Fee Paid Per Monthly

County Adams

Property Type Residential

HOA Y

Attached Garage Y

Subdivision Name Riverdale Ranch

Full Baths 1

Status Active

Directions 128th Ave to Ulster St south to property on east side of street

High School Riverdale Ridge

City Thornton

Association Name Riverdale Ranch

Senior Community Y/N N

High School District School District 27-J

Lot Size Units Acres

Lot Size Square Feet 6534

Carport Spaces 0

Listing Terms 1031 Exchange Cash Conventional FHA VA Loan

Elementary School Brantner

Tax Annual Amount 6491

Middle/Junior High School Roger Quist

Structure Type Duplex

Builder Name Boulder Creek Neighborhoods

Standard Status Active

Occupancy Type Owner

Middle/Junior School District School District 27-J

Elementary School District School District 27-J

Exterior

Water Source Public

Total Parking 2

Lot Size Area 0.15

Building Area Total 3153

Lot Size Acres 0.15

Internal Only

Street Number 1 12684

* Excluded Features

List By

Carlson Associates

Broker

(303) 921-9754

Phone

Affordability Calculator

$4,783

Per Month

Monthly Principal & Interest: $4,242
Monthly Property Taxes: $541
Monthly Home Insurance: --

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Down Payment

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Yearly Home Insurance

Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Nearby

Trends
Schools

Single family listings in Thornton, CO

Average List Price ^$560,423

Percent of Sale Price 19%

About Thornton, CO

138,525 Population

63% Since 2002

^$69,805 Median Income

34.87 Median Age

40% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

893883 Elementary School

2394888 Middle School

Riverdale Ridge High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
5/20/2026	$689,000		Listed Price

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12684 Ulster Street, Thornton, CO, 80602 is a Single Family Home for sale at $689,000 with 3,153 sqft and a lot size of 0.15. 12684 Ulster Street has 4 bedrooms, 3.1 baths, and was built in 2020. The property's zip code is 80602 which is in Thornton, CO

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

The data relating to real estate on this web site comes in part from the Internet Data eXchange (IDX) Program of the REcolorado. Real estate listings held by firms other than Weichert Realtors are marked with the IDX logo and detailed information about them includes the Listing Broker’s Firm Name.

The information being provided is for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Data is updated as of 5/21/2026.

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12684 Ulster Street

Single Family Home for sale in Thornton, CO

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