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12337 Rosemary StreetThornton, CO 80602

For Sale

$719,900

Smart Buyer Rebate $7,199

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.

Listed by Jon-Simon Marquez

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License #55047719

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Realty Athletica LLC

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720-641-1959

Last updated November 15, 2025

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Source: REcolorado #3067097

Listing Facts

  • TypeSingle-family
  • NeighborhoodThornton
  • Bedrooms4
  • Bathrooms3
  • Days on Prevu4
  • HOA/Maint. Fees$78/month
  • Taxes$4,215/year
  • Size2,491 sqft
  • Price per sqft$289

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Air Conditioning
  • Parking

Location

Mortgage Calculator

Listing History

11/15/2025
Listed by Realty Athletica LLC
$719,900

Property Details for 12337 Rosemary Street

Association

Amenities

  • Association Amenities: Park, Tennis Court(s), Trail(s)

Fees

  • Association Fee: $78.00 Monthly
  • Association Fee Includes: Snow Removal, Trash

General

  • Association Name: Advance HOA

Exterior

Construction

  • Roof: Composition
  • Structure Type: House
  • Window Features: Double Pane Windows
  • Year Built: 2012
  • Construction Materials: Concrete, Frame, Stone
  • Exterior Features: Private Yard, Rain Gutters

Features

  • Fencing: Full
  • Patio And Porch Features: Covered, Deck, Front Porch
  • Road Frontage Type: Public

Measurements

  • Building Area Total: 3,650
  • Lot Features: Landscaped, Sprinklers In Front, Sprinklers In Rear
  • Lot Size Acres: 0.18
  • Lot Size Area: 7,700
  • Lot Size Square Feet: 7,700
  • Lot Size Units: Square Feet

Financial

Taxes

  • Parcel Number: R0163663
  • Tax Annual Amount: $4,215.00
  • Tax Year: 2024

Interior

Features

  • Appliances: Dishwasher, Disposal, Double Oven, Dryer, Microwave, Refrigerator, Washer
  • Fireplace Features: Family Room, Gas, Gas Log
  • Fireplaces Total: 1
  • Flooring: Carpet, Tile, Vinyl
  • Interior Features: Ceiling Fan(s), Eat-in Kitchen, Five Piece Bath, Granite Counters, Kitchen Island, Open Floorplan, Pantry, Quartz Counters, Smoke Free, Walk-In Closet(s)
  • Spa Features: Bath

Measurements

  • Living Area: 2,491

Rooms

  • Basement: Sump Pump, Unfinished
  • Has Basement: Yes
  • Bathrooms Full: 2
  • Bathrooms Half: 1
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 4
  • Main Level Bathrooms: 1

Other

General

  • Exclusions: Seller's personal property.

Location

  • Subdivision Name: King Ranch Estates

Parking

Parking

  • Attached Garage: Yes
  • Garage Spaces: 3
  • Parking Features: Concrete
  • Parking Total: 3

Schools

Elementary School

  • Elementary School: Brantner
  • Elementary School District: School District 27-J

High School

  • High School: Riverdale Ridge
  • High School District: School District 27-J

Middle or Junior School

  • Middle Or Junior School: Roger Quist
  • Middle Or Junior School District: School District 27-J

Utilities

Equipment

  • Cooling: Central Air
  • Heating: Forced Air, Natural Gas, Solar
  • Sewer: Public Sewer
  • Utilities: Cable Available, Electricity Available, Natural Gas Connected
  • Water Source: Public

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Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.