12337 Rosemary Street Thornton, CO ^$ 719,900

12337 Rosemary Street

^$ 719,900

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12337 Rosemary Street

Thornton, CO, 80602

^$ 719,900

Bedrooms4 Baths2.1 Sq 3,650

Monthly Estimate*

^$ 4,491

Listed by Realty Athletica LLC

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Single Family Home for sale in Thornton, CO

for $719,900 with 4 bedrooms and 2 full baths, 1 half bath. This 3,650 square foot home was built in 2012 on a lot size of 0.18.

Welcome home to this beautifully updated 4-bedroom, 3-bath residence in the sought-after King Ranch Estates neighborhood of Thornton. Thoughtful upgrades throughout blend comfort, style, and energy efficiency. Enjoy relaxing mornings on the covered front porch or evenings on the backyard deck overlooking the landscaped yard with mature plants and a storage shed. Step inside to find new carpet throughout, luxury vinyl plank on the main level, and an open-concept layout filled with natural light. The kitchen features stainless-steel appliances, granite counters, a center island, pantry, and eat-in dining area—perfect for gatherings. Just off the kitchen is a convenient built-in desk/work nook connecting to the 3-car garage. The family room’s gas fireplace adds a cozy touch on cool Colorado nights. Upstairs, the spacious primary suite offers a quartzite-finished 5-piece bath and an expanded closet with custom organizers. Three additional bedrooms and a full bath complete the upper level, while the garden-level basement provides room to expand, with great light for a future gym or media space. Recent updates include a new roof and screens (1 year), exterior paint (2021), high-efficiency furnace, and paid solar system for lower energy bills. Located near scenic King Ranch Park, Platte Trail, and Riverdale Regional Park, and just 30 minutes to downtown Denver or the airport. Includes a Zillow 3D Tour for a closer look! Seller offering a 2-1 interest rate buy-down incentive—terms negotiable with acceptable offer. Contact listing agent for details.

Single Family Active

Price

^$ 719,900

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 4,215

Style

House

Lot Size

0.18

Year Built

2012

Town/City

Thornton

County/Region

Adams

MLS | Web ID

3067097

Features

Interior

Interior Amenities Ceiling Fan(s) Eat-in Kitchen Five Piece Bath Granite Counters Kitchen Island Open Floorplan Pantry Quartz Counters Smoke Free Walk-In Closet(s)

Basement Sump Pump Unfinished

Flooring Carpet Tile Vinyl

Total Fireplaces 1

Fireplace Features Family Room Gas Gas Log

Basement (Y/N) Y

Window Features Double Pane Windows

Above Grade Finished Area 2491

Half Baths 1

1/4 Baths 0

3/4 Baths 0

Total Bedrooms 4

Below Grade Finished Area 0

Main Level Bedrooms 0

Main Level Bathrooms 1

Total Baths 3

General

Sewer Public Sewer

Heating Forced Air Natural Gas Solar

Cooling Central Air

Utilities Cable Available Electricity Available Natural Gas Connected

Possession Closing/DOD

Roof Composition

Appliances Dishwasher Disposal Double Oven Dryer Microwave Refrigerator Washer

HOA Fee 78

Garage Spaces 3

Association Fee Includes Snow Removal Trash

Patio/Porch Features Covered Deck Front Porch

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

Construction Materials Concrete Frame Stone

Exclusions Seller's personal property.

Year Built 2012

Levels Two

Property Subtype Single Family Residence

Tax Year 2024

Ownership Individual

Assoc Fee Paid Per Monthly

County Adams

Property Type Residential

Association Amenities Park Tennis Court(s) Trail(s)

HOA Y

Attached Garage Y

Subdivision Name King Ranch Estates

Full Baths 2

Status Active

High School Riverdale Ridge

City Thornton

Association Name Advance HOA

Senior Community Y/N N

High School District School District 27-J

Lot Size Units Square Feet

Lot Size Square Feet 7700

Carport Spaces 0

Listing Terms Cash Conventional FHA VA Loan

Spa Features Bath

Elementary School Brantner

Tax Annual Amount 4215

Middle/Junior High School Roger Quist

Virtual Tour https://www.zillow.com/view-imx/b52666fa-27f4-404f-9343-4120cea269ff?initialViewType=pano

Structure Type House

Standard Status Active

Occupancy Type Owner

Middle/Junior School District School District 27-J

Elementary School District School District 27-J

Exterior

Exterior Amenities Private Yard Rain Gutters

Fencing Full

Parking Features Concrete

Lot Features Landscaped Sprinklers In Front Sprinklers In Rear

Water Source Public

Total Parking 3

Lot Size Area 7700

Building Area Total 3650

Lot Size Acres 0.18

Road Surface Type Paved

Road Frontage Type Public

Road Responsibility Public Maintained Road

Internal Only

Street Number 1 12337

* Excluded Features

List By

Realty Athletica Llc

Broker

(720) 641-1959

Phone

Affordability Calculator

$4,842

Per Month

Monthly Principal & Interest: $4,491
Monthly Property Taxes: $351
Monthly Home Insurance: --

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Down Payment

Loan Term

Interest Rate

Yearly Property Taxes

Yearly Home Insurance

Default based on a 30-year fixed rate of 6.375% 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 ^$551,821

Percent of Sale Price 23%

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
11/15/2025	$719,900		Listed Price

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12337 Rosemary Street, Thornton, CO, 80602 is a Single Family Home for sale at $719,900 with 3,650 sqft and a lot size of 0.18. 12337 Rosemary Street has 4 bedrooms, 2.1 baths, and was built in 2012. 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 6.375% 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 12/7/2025.

This publication is designed to provide information with regard to the subject matter covered. It is displayed with the understanding that the publisher and authors are not engaged in rendering real estate, legal, accounting, tax, or other professional services and that the publisher and authors are not offering such advice in this publication. If real estate, legal, or other expert assistance is required, the services of a competent, professional person should be sought.

The information contained in this publication is subject to change without notice. REcolorado. MAKES NO WARRANTY OF ANY KIND WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. REcolorado. SHALL NOT BE LIABLE FOR ERRORS CONTAINED HEREIN OR FOR ANY DAMAGES IN CONNECTION WITH THE FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL.

PUBLISHER’S NOTICE: All real estate advertised herein is subject to the Federal Fair Housing Act and the Colorado Fair Housing Act, which Acts make it illegal to make or publish any advertisement that indicates any preference, limitation, or discrimination based on race, color, religion, sex, handicap, familial status, or national origin.

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12337 Rosemary Street

Single Family Home for sale in Thornton, CO

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