Adams County property record for 3899 E 133rd Cir, Thornton, CO 80241 · Last verified February 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 3 Baths |
| Year Built | Built 1979 |
| Square Footage | 1,889 sqft Living Area |
| Lot Size | 8,276 sqft (0.189 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $207,000 (2007) |
| Tax Bill | $1,341.00 (2025) |
| Primary APN | R0015657 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Plumbing Fixtures | 12 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Building Area | 1,889 sqft Living Area |
| 1st Floor | 1,234 sqft 1st Floor |
| 2nd Floor | 651 sqft 2nd Floor |
| Basement Area | 684 sqft Basement |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1979 |
|---|---|
| Architectural Style | Split Level Style |
| Exterior Material | Brick/Stone (Brick and/or Stone) Exterior |
| Construction Type | Frame Construction |
| Roof Construction | Gable Roof Construction |
| Roof Material | Wood Shingle Roof |
| Lot Area | 8,276 sqft (0.189 acres) |
| Depth X Width | 124 ft x 65 ft Depth x Width |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 520 sqft Garage |
| Deck Area | 400 sqft Deck |
|---|---|
| Patio Area | 400 sqft Patio |
| Porch | Porch |
| Porch Area | 388 sqft Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air Heating |
| Account Number | R0015657 |
|---|---|
| Old Parcel Number | 157325112011 |
| Street Address | 3899 E 133RD CIR |
| City | THORNTON |
| State | CO |
| Zip | 80241-1455 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | SUB:SUMMIT GROVE BLK:8 LOT:39 |
| Legal Range | 68W |
| Legal Township | 01S |
| Legal Section | 25 |
| Legal Quarter | NE |
| Legal Subdivision | SUMMIT GROVE |
| Legal Block | 8 |
| Legal Lot Number | 39 |
| Jurisdiction | ADAMS CO |
| Minor Civil Division | WEST ADAMS |
| Census Blockgroup | 5 |
| Census Block | 5002 |
| Census Tract | 8545 |
Source: Adams County records · APN R0015657
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 | 3899 E 133RD CIR, DENVER, CO 80241-1455 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Oct 27, 2017 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Sep 01, 2020 | Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Dec 09, 2019 | Deed of Trust, Mortgage · Line of Credit KEYBANK USA |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 2007000091881 |
| Record Refreshed | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ADAMS CO |
| Property Address | 3899 E 133RD CIR, THORNTON, CO 80241-1455 |
| Transaction Type | Mortgage |
| Record Updated | Oct 21, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000094919 |
|---|---|
| Date | Oct 27, 2017 |
| Instrument | 2017000094919 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | TROY, MI 48083 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Nov 01, 2047 |
| Rate Type | Adjustable Rate |
|---|---|
| Adjustable | Document includes a rider for adjustable-rate mortgage with a specific rate change date. |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ADAMS CO |
| Property Address | 3899 E 133RD CIR, THORNTON, CO 80241-1455 |
| Transaction Type | Mortgage |
| Record Updated | Oct 21, 2022 |
| Name | Verified Name |
|---|
| Document Number | 0000086293 |
|---|---|
| Date | Sep 01, 2020 |
| Instrument | 2020000086293 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Address | PONTIAC, MI 48341 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Sep 01, 2050 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ADAMS CO |
| Property Address | 3899 E 133RD CIR, THORNTON, CO 80241-1455 |
| Document Number | 0000008664 |
| Instrument Date | Dec 09, 2019 |
| Transaction Type | Mortgage |
| Record Updated | Feb 11, 2020 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Address | 3899 E 133RD CIR THORNTON CO 802411455, THORNTON, CO 80241-1455 |
| Document Number | 0000008664 |
|---|---|
| Date | Jan 28, 2020 |
| Instrument | 8664 |
| Name | KEYBANK USA |
|---|---|
| Type | Bank |
| Address | BROOKLYN, OH 44144 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jan 27, 2050 |
| Rate Type | Adjustable Rate |
|---|
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 | $1,341.00 (-66.72%) | $31,630 (-14.37%) Land $6,880 Building $24,750 | $506,000 (-7.33%) Land $110,000 Building $396,000 |
| 2023 | $4,030.00 (+7.64%) | $36,940 (+8.68%) Land $6,900 Building $30,040 | $546,000 (+11.65%) Land $102,000 Building $444,000 |
| 2022 | $3,744.00 | $33,990 Land $14,180 Building $19,810 | $489,029 Land $204,000 Building $285,029 |
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