Adams County property record for 3421 E 99th Way, Thornton, CO 80229 · Last verified February 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1981 |
| Square Footage | 1,595 sqft Living Area |
| Lot Size | 9,583 sqft (0.219 acres) |
| Garage | Attached, 525 sqft |
| Occupancy | Owner Occupied |
| Tax Bill | $887.00 (2025) |
| Primary APN | R0040218 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Building Area | 1,595 sqft Living Area |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Fireplace | Fireplace |
| Year Built | Built 1981 |
|---|---|
| Architectural Style | Split Level Style |
| Exterior Material | Aluminum/Vinyl Exterior |
| Construction Type | Frame Construction |
| Roof Construction | Gable Roof Construction |
| Roof Material | Composition Shingle Roof |
| Lot Area | 9,583 sqft (0.219 acres) |
| Depth X Width | 132 ft x 73 ft Depth x Width |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 525 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | HVAC Heating |
| Account Number | R0040218 |
|---|---|
| Old Parcel Number | 171913401009 |
| Street Address | 3421 E 99TH WAY |
| City | THORNTON |
| State | CO |
| Zip | 80229-2802 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | SUB:NORTH HILLS FILING NUMBER ONE SUBD BLK:1 LOT:7 |
| Legal Range | 68W |
| Legal Township | 02S |
| Legal Section | 13 |
| Legal Quarter | SW |
| Legal Subdivision | NORTH HILLS FILING NUMBER ONE SUBD |
| Legal Block | 1 |
| Legal Lot Number | 7 |
| Jurisdiction | ADAMS CO |
| Minor Civil Division | WEST ADAMS |
| Census Blockgroup | 1 |
| Census Block | 1011 |
| Census Tract | 9207 |
Source: Adams County records · APN R0040218
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 | 3421 E 99TH WAY, THORNTON, CO 80229-2802 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 56137 |
| 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 | Mapleton School District 1 (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $887.00 (-72.56%) | $20,940 (-36.04%) Land $4,330 Building $16,610 | $435,000 (-10.12%) Land $90,000 Building $345,000 |
| 2023 | $3,232.00 (+6.63%) | $32,740 (+7.66%) Land $5,750 Building $26,990 | $484,000 (+10.64%) Land $85,000 Building $399,000 |
| 2022 | $3,031.00 | $30,410 Land $11,820 Building $18,590 | $437,458 Land $170,000 Building $267,458 |
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