Adams County property record for 300 E 128th Ave, Thornton, CO 80241 · Last verified February 2026
| Property Type | Commercial > Office > Professional Building (Legal, Insurance, Real Estate, Business) |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1 Baths |
| Architecture Style | Other |
| Year Built | Built 2002 |
| Square Footage | 4,680 sqft Total Area |
| Lot Size | 24,394 sqft (0.56 acres) |
| Last Sale | $1,550,000 (2024) |
| Tax Bill | $15,324.00 (2025) |
| Primary APN | R0112048 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Baths |
| Plumbing Fixtures | 6 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Building Area | 4,680 sqft Total Area |
| Upper Floors | 1,560 sqft Upper Floors |
| Basement Area | 1,560 sqft Basement |
| Stories | 1 Stories |
| Year Built | Built 1964 |
|---|---|
| Effective Year Built | Effective 2002 |
| Architectural Style | Other Style |
| Fire Resistance Class | Buildings having wood or wood and steel frames. |
| Roof Construction | Gable Roof Construction |
| Lot Area | 24,394 sqft (0.56 acres) |
| Cooling System | HVAC Cooling |
|---|---|
| Heating System | HVAC Heating |
| Account Number | R0112048 |
|---|---|
| Old Parcel Number | 157334011001 |
| Street Address | 300 E 128TH AVE |
| City | THORNTON |
| State | CO |
| Zip | 80241-2427 |
| Property Usage | Commercial Property Usage |
| Type | Commercial > Office > Professional Building (Legal, Insurance, Real Estate, Business) |
| Legal Description | SUB:CARR SUBDIVISION LOT:1 |
| Legal Range | 68W |
| Legal Township | 01S |
| Legal Section | 34 |
| Legal Quarter | SE |
| Legal Subdivision | CARR SUBDIVISION |
| Legal Lot Number | 1 |
| Jurisdiction | ADAMS CO |
| Minor Civil Division | WEST ADAMS |
| Census Blockgroup | 3 |
| Census Block | 3003 |
| Census Tract | 8555 |
Source: Adams County records · APN R0112048
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 Owner on File |
|---|---|
| Mailing Address | 1440 28TH ST STE 2, 2, BOULDER, CO 80303-1030 |
| Owner Type | Owner is a Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 2024000045441 |
| Record Refreshed | 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 is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $15,324.00 (-47.7%) | $361,390 (+35.89%) Land $65,860 Building $295,530 | $1,338,480 (+40.42%) Land $243,936 Building $1,094,544 |
| 2023 | $29,298.00 (+22.84%) | $265,940 (+22.82%) Land $68,060 Building $197,880 | $953,200 (+27.66%) Land $243,936 Building $709,264 |
| 2022 | $23,851.00 | $216,520 Land $139,920 Building $76,600 | $746,653 Land $482,506 Building $264,147 |
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