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3991 E 121st AvenueThornton, CO 80241

For Sale

$1,400,000

Smart Buyer Rebate $14,000

Prime 4-Unit Townhome Investment Opportunity

Multifamily gem in the heart of Thornton! These well-maintained 4-units within the Thornton Ridge townhome complex offers a balanced mix of spacious layouts and strong rental performance, ideal for both seasoned investors and newcomers seeking reliable cash flow.

Property Breakdown:
4 units: 2 bed / 1.5 bath townhomes
Current rents: $2,100-$2,400 per month
Cap rate: 5-6%, with potential upside through light updates and rent optimization
Strong rental history: Consistent occupancy and long-term tenants. Seller can provide full rental history and detailed income documentation

Each home features comfortable living spaces, well maintained finishes in varying levels of updates, and private outdoor areas.

Whether you’re looking to expand your portfolio or enter the Denver metro multifamily market, this portfolio offers immediate cash flow, proven stability, and future growth potential.

Current Rents: $2,100-$2,400/month
Cap Rate: 5-6%
Financials: Full rent roll and income verification available upon request

Listed by Kayla Schmitz

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License #55041895

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Compass - Denver

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303-249-4118

Last updated July 31, 2026

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Source: REcolorado #4732768

Listing Facts

  • TypeMulti-family
  • NeighborhoodThornton
  • Bedrooms2
  • Bathrooms2
  • Days on Prevu170
  • HOA/Maint. Fees$245/month
  • Taxes$2,438/year
  • Size1,244 sqft
  • Price per sqft$1,125

Amenities

  • Private Outdoor Space
  • Air Conditioning
  • Parking

Location

Mortgage Calculator

Listing History

07/30/2026
Price Decreased
$1,400,000
03/18/2026
Price Decreased
$1,950,000
02/11/2026
Price Increased
$2,340,000
02/11/2026
Listed by Compass - Denver
$390,000

Property Details for 3991 E 121st Avenue

Association

Fees

  • Association Fee: $245.00 Monthly

General

  • Association Name: Thornton Ridge Townhomes

Exterior

Construction

  • Property Attached: Yes
  • Roof: Composition
  • Structure Type: Quadruplex
  • Year Built: 1997
  • Common Walls: 2+ Common Walls
  • Construction Materials: Frame

Features

  • Patio And Porch Features: Deck

Measurements

  • Building Area Total: 1,884

Financial

Residential Income

  • Cap Rate: 6.0
  • Operating Expense Includes: Association, Maintenance, Other

Taxes

  • Parcel Number: R0026161
  • Tax Annual Amount: $2,438.00
  • Tax Year: 2024

Interior

Measurements

  • Living Area: 1,244

Rooms

  • Basement: Unfinished
  • Has Basement: Yes
  • Bathrooms Total Integer: 2
  • Bedrooms Total: 2

Other

General

  • Exclusions: Tenant and seller personal property

Location

  • Subdivision Name: Thornton Ridge Filing

Parking

Parking

  • Attached Garage: Yes
  • Garage Spaces: 1
  • Parking Total: 1

Schools

Elementary School

  • Elementary School: Stellar
  • Elementary School District: Adams 12 5 Star Schl

High School

  • High School: Mountain Range
  • High School District: Adams 12 5 Star Schl

Middle or Junior School

  • Middle Or Junior School: Century
  • Middle Or Junior School District: Adams 12 5 Star Schl

Utilities

Equipment

  • Cooling: Central Air
  • Heating: Forced Air
  • Laundry Features: In Unit
  • Sewer: Public Sewer
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this multi-family home have?

There are 2 bedrooms and 2 bathrooms in this multi-family home at 3991 E 121st Avenue.

What schools are nearby to 3991 E 121st Avenue?

Nearby schools include the Stellar Elementary School, Century Middle School, and Mountain Range High School.

Does this multi-family home have parking?

Yes, there is 1 parking space available for 3991 E 121st Avenue.

What are the annual taxes for 3991 E 121st Avenue?

Annual taxes for this multi-family home are estimated at $2,438.

How does 3991 E 121st Avenue compare to other multi-family homes in Thornton?

This multi-family home is listed 28% below the average price for multi-family homes in Thornton and has been on the market for 101 more days than the typical home in this area.

What building or home owners association is the multi-family home part of?

This multi-family home is part of the Thornton Ridge Townhomes home owners association.

What is the square footage on this multi-family home?

According to the MLS, this listing is 1,244 sqft.

3991 E 121st Avenue is a 2-bedroom, 2-bath multi-family home for sale in Thornton CO 80241. On Prevu for 170 days at $1,400,000. This includes a recent price decrease of $550,000. This home features 1,244 square feet of living space, located in Thornton. The median listing price for multi-family homes in this area is $499,900. Nearby schools include Stellar Elementary School, Century Middle School, and Mountain Range High School. Property amenities include private outdoor space, air conditioning, and parking. Browse more multi-family home listings in Colorado.

The content relating to real estate for sale in this Web site comes in part from the Internet Data eXchange ("IDX") program of METROLIST, INC., DBA RECOLORADO® Real estate listings held by brokers other than Prevu are marked with the IDX Logo. This information is being provided for the consumers' personal, non-commercial use and may not be used for any other purpose. All information subject to change and should be independently verified.

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.