Adams County property record for 5501 E 121st Pl, Thornton, CO 80241 · Last verified February 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 2 ba · 1,407 sqft · built 1995 |
| Lot Size | 0.16 acres (6,970 sqft) |
| Owner | Individual Name on File |
| Last Sale | $126,920 (Jan 1996) |
| Tax Bill | $1,046 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | R0012148 |
| Primary APN | R0012148 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 11 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,407 sqft Living Area |
| 1st Floor Area | 1,407 sqft |
| Basement Area | 910 sqft |
| Interior Walls | Wallboard/Drywall |
| Fireplace | Fireplace |
| Year Built | Built 1995 |
|---|---|
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 6,970 sqft (0.16 acres) |
| Lot Dimensions | 117 ft deep x 60 ft wide |
| Garage Type | Attached |
| Garage Area | 380 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 135 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air |
| Account Number | R0012148 |
|---|---|
| Old Parcel Number | 157131412016 |
| Street Address | 5501 E 121ST PL |
| City | THORNTON |
| State | CO |
| Zip | 80241-3258 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUB:CONCORD FILING NO 1 BLK:19 LOT:16 |
| Legal Range | 67W |
| Legal Township | 01S |
| Legal Section | 31 |
| Legal Quarter | NE |
| Legal Subdivision | CONCORD FILING NO 1 |
| Legal Block | 19 |
| Legal Lot Number | 16 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 1 |
| Census Block | 1001 |
| Census Tract | 8547 |
Source: Adams County records · APN R0012148
Assessment roll updated August 25, 2025 · Last verified February 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 5501 E 121ST PL, THORNTON, CO 80241-3258 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 29, 1996 · Amount on Record |
| Deed Sale | Jan 29, 1996 · Amount on Record |
| Deed Document Number | 00142277 |
| Deed Book / Page | 4671 / 083 |
| Record Updated | Jun 08, 2026 |
Source: Adams County records · Assessment roll updated August 25, 2025 · Last verified February 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Adams County |
| Municipality | Thornton City |
| Unified School District | Adams 12 Five Star Schools (PK - 12) |
Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,046.00 (-73.56%) | $24,690 (-31.91%) Land $4,990 Building $19,700 | $495,000 (-7.65%) Land $100,000 Building $395,000 |
| 2023 | $3,956.00 (+13.45%) | $36,260 (+14.53%) Land $6,090 Building $30,170 | $536,000 (+17.7%) Land $90,000 Building $446,000 |
| 2022 | $3,487.00 | $31,660 Land $12,240 Building $19,420 | $455,414 Land $176,000 Building $279,414 |
Source: FEMA National Flood Hazard Layer, Adams County (08001C), updated October 2, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 820 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Lumen Technologies | Fiber | 8,000 / 8,000 |
| Xfinity | Cable | 2,000 / 250 |
| JAB Wireless | Fixed Wireless (unlicensed) | 300 / 60 |
| Verizon | Fixed Wireless | 300 / 20 |
May also be available at this address: T-Mobile USA, Ting Fiber, BIF IV Intrepid HoldCo, AT&T, Lumen Technologies. Availability varies by address; speeds are provider-advertised maximums, not measured.
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