Adams County property record for 3640 E 89th Ave, Thornton, CO 80229 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2.5 Baths |
| Year Built | Built 1977 |
| Square Footage | 1,410 sqft Living Area |
| Lot Size | 7,000 sqft (0.161 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $185,900 (2014) |
| Tax Bill | $2,457.00 (2024) |
| Primary APN | 1719-24-4-17-013 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Partial Baths | 1 Partial Baths |
| Plumbing Fixtures | 11 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Building Area | 1,410 sqft Living Area |
| Gross Area | 1,850 sqft Gross Area |
| Basement Area | 352 sqft Basement |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1977 |
| 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 | 7,000 sqft (0.161 acres) |
| Depth X Width | 100 ft x 70 ft Depth x Width |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 440 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Account Number | R0054651 |
|---|---|
| Street Address | 3640 E 89TH AVE |
| City | THORNTON |
| State | CO |
| Zip | 80229-4084 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | SUB:THORNTON VALLEY EAST #4 RESUBD LOT:39 |
| Legal Range | 68W |
| Legal Township | 02S |
| Legal Section | 24 |
| Legal Quarter | 4 |
| Legal Subdivision | THORNTON VALLEY EAST #4 RESUBD |
| Legal Lot Number | 39 |
| Jurisdiction | ADAMS CO |
| Minor Civil Division | WEST ADAMS |
| Census Blockgroup | 2 |
| Census Block | 2027 |
| Census Tract | 9104 |
Source: Adams County records · APN 1719-24-4-17-013
Assessment roll updated January 21, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individuals Owners |
|---|---|
| Mailing Address | 3640 E 89TH AVE, THORNTON, CO 80229-4084 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 201470840 |
| Prior Transfer Date | Dec 29, 2009 |
| Prior Transfer Doc | 0000096120 |
| Record Refreshed | Sep 20, 2026 |
Source: Adams County records · Assessment roll updated January 21, 2026 · Last verified July 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, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,089.00 (-55.68%) | $27,950 (-6.3%) Land $6,120 Building $21,830 | $411,000 (-6.8%) Land $90,000 Building $321,000 |
| 2024 | $2,457.00 (-16.57%) | ||
| 2023 | $2,945.00 (+5.56%) | $29,830 (+6.57%) Land $5,610 Building $24,220 | $441,000 (+9.53%) Land $83,000 Building $358,000 |
| 2022 | $2,790.00 | $27,990 Land $11,540 Building $16,450 | $402,636 Land $166,000 Building $236,636 |
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