




3991 E 121st Avenue, Thornton, CO, 80241
About This Home
Prime 5-Unit Townhome Investment Opportunity Multifamily gem in the heart of Thornton! This well-maintained 6-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: 5 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
Getting Around
Schools
Construction
Condition
- Year built: 1997
Materials
- Roof: Composition
- Construction materials: Frame
Type & Style
- Home type: MultiFamily
- Property subType: Quadruplex
Interior
Appliances
- Laundry features: In Unit
Basement
- Has basement: Yes
- Basement: Unfinished
Bedrooms & Bathrooms
- Bedrooms: 2
- Bathrooms: 2
Features
- Finished area below ground: 0
- Finished area above ground: 1,244
- Common walls with other units/homes: 2+ Common Walls
Heating & Cooling
- Heating features: Forced Air
- Cooling features: Central Air
Interior Area
- Total structure area: 1,884
- Total interior livable area: 1,884 sqft
Property
Details
- Parcel number: R0026161
- Attached to another structure: Yes
- Special condition: Standard
- Exclusions: Tenant And Seller Personal Property
Features
- Levels: Two
- Stories: 2
- Patio & porch: Deck
Parking
- Total spaces: 1
- Parking features: Garage - Attached
- Has garage: Yes
- Attached garage spaces: 1
- Covered spaces: 1
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Hail
- Cold Wave
- Winter Weather
- Lightning
- Strong Wind
- Tornado
How This Home’s Risks Compare
FEMA Declared Disasters Across Colorado Counties
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $7,079 | $84,948 |
| Home Insurance * | $803 | $9,636 |
| Property Taxes | $770 | $9,240 |
| Electricity | $186 | $2,232 |
| Total | $8,838 | $106,056 |
Income You'd Need if You Spent...
Colorado FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
Price History
| Date | Event | Price |
|---|---|---|
| 2026-03-18 | Price change | $1,950,000 |
| 2026-02-11 | Listed for sale | $2,340,000 |
