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Sign Up NowProperty Report for 3685 E 121St Ave, Thornton, CO 80241
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Property Details
- Property Address 3685 E 121St Ave, Thornton, CO 80241
- County Adams
- Parcel ID R0161412
- Legal description SUB:THORNTON RIDGE FILING #1 AMENDMENT #1 BLK:1 LOT:1-A
- School district Northglenn-Thornton School District 12
- Acreage 4.51
- Property class Office
- Zoning Subscribe
- Square footage 757
- Year built 2005
- Bedrooms
- Bathrooms
About the Property
3685 E 121St Ave is a office in the city of Thornton, CO 80241. Located in the Northglenn-Thornton School District 12, which resides in Adams County, CO and built in 2005. This Office sits on a 196,630 sq ft lot and features 757 sq ft of living space.
The most recent property tax for 3685 E 121St Ave was $122,674. This property was last sold on September 28, 2021.
Property Info
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Flood
Legal
- SUB:THORNTON RIDGE FILING #1 AMENDMENT #1 BLK:1 LOT:1-A
- Classification PROFESSIONAL BUILDING (LEGAL, INSURANCE, REAL ESTATE, BUSINESS)
- County ADAMS
- FIPS 08001
- Civil Division WEST ADAMS
- Census 080010085.552000
- Parcel ID R0161412
- Neighborhood THORNTON RIDGE FILING #1 AMENDMENT #1
- Tract 0
- Secondary School District N/A
- Primary School District Northglenn-Thornton School District 12
Ownership
Land
- Acres 4.51
- Square Feet 196,630
Building
- Units N/A
- Year Built 2005
- Effective Year Built N/A
- Stories 2
- # Fireplaces N/A
- Garage/Carport 484 sq.ft.
Utilities
- Cooling Central
- Heating Forced Air
Interior
- Square Footage
- Living Area 757
- Total Rooms N/A
- Bedrooms N/A
- Total Bathrooms N/A
- Full Bathrooms N/A
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Start Free TrialThornton Residential Market Stats
Median Sale Price
$535,000
-7% YoY
Median Price/sq ft.
$289
Adams County Median Sale Price
$535,000
-7% YoY
See more Real Estate Trends for Thornton including home values, types of properties sold and transaction volumes.
Taxes and Assessments for 3685 E 121St Ave, Thornton
| Tax Year | Taxes | Tax Assesed Value | Exemptions |
|---|---|---|---|
| 2024 | $122,674 (-6.1%) | $1,185,740 (-30.3%) | |
| 2023 | $130,633 (+4%) | $1,700,360 (+49.1%) | |
| 2022 | $125,607 (+9.7%) | $1,140,220 (+10.1%) | |
| 2021 | |||
| 2020 | |||
| 2019 | |||
| 2018 |
Sales History for 3685 E 121St Ave, Thornton
The most recent sale on 3685 E 121St Ave took place on Sep 24, 2021 and recorded on Sep 28, 2021.
Sign up for full access to the complete sales history including potential flips, distressed sales and buyer and seller data.
| Sale Date | Recorded Date | Buyer(s) | Seller(s) | Price | Document ID |
|---|---|---|---|---|---|
Recently Sold Comparables
These are nearby recently sold properties that are similar to this property, base on available data.
| Address | Distance | SqFt | Sale Date | Price | $/SqFt |
|---|---|---|---|---|---|
| 11284 CLAUDE CT | 1.43 mi | 850 | 09/04/2025 | $465,000 | $547 |
| 641 E 104TH PL | 2.84 mi | 850 | 08/28/2025 | $500,000 | $588 |
| 10759 CARROL LN | 2.65 mi | 850 | 08/20/2025 | $460,000 | $541 |
Our Property Reports contain multiple Automated Valuation Models showing low, median, and high values along with confidence scores.
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Nearby Cities
- 1. Thornton
- 2. Henderson
- 3. Broomfield
- 4. Brighton
- 5. Westminster
- 6. Commerce City
Various data sets have been provided by a third party or government source and are subject to change and possible errors. Depending on location and source, data may be missing or not available. Information is deemed reliable but not guaranteed to be accurate, up-to-date, or complete. Buyers, investors, and others are responsible for verifying the accuracy of all information.