Adams County property record for 3780 E 99th Ln, Thornton, CO 80229 · Last verified February 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1992 |
| Square Footage | 1,454 sqft Living Area |
| Lot Size | 6,970 sqft (0.16 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $172,000 (2000) |
| Tax Bill | $1,166.00 (2025) |
| Primary APN | R0040382 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Plumbing Fixtures | 9 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Building Area | 1,454 sqft Living Area |
| 1st Floor | 762 sqft 1st Floor |
| 2nd Floor | 692 sqft 2nd Floor |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1992 |
|---|---|
| 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 | 6,970 sqft (0.16 acres) |
| Depth X Width | 100 ft x 70 ft Depth x Width |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 420 sqft Garage |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air Heating |
| Account Number | R0040382 |
|---|---|
| Old Parcel Number | 171913408017 |
| Street Address | 3780 E 99TH LN |
| City | THORNTON |
| State | CO |
| Zip | 80229-2843 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | SUB:NORTH HILLS FILING NUMBER ONE SUBD BLK:4 LOT:5 |
| Legal Range | 68W |
| Legal Township | 02S |
| Legal Section | 13 |
| Legal Quarter | SW |
| Legal Subdivision | NORTH HILLS FILING NUMBER ONE SUBD |
| Legal Block | 4 |
| Legal Lot Number | 5 |
| Jurisdiction | ADAMS CO |
| Minor Civil Division | WEST ADAMS |
| Census Blockgroup | 1 |
| Census Block | 1003 |
| Census Tract | 9207 |
Source: Adams County records · APN R0040382
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 | 2 Individuals Owners |
|---|---|
| Mailing Address | 3780 E 99TH LN, THORNTON, CO 80229-2843 |
| Occupancy | Owner Occupied |
| Date | Document |
|---|---|
| Aug 02, 2019 | Deed of Trust, Mortgage · Line of Credit US BANK NA |
| Nov 20, 2020 | Deed of Trust, Mortgage · Line of Credit US BANK NA |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 00645832 |
| Deed Book / Page | 6051 / 649 |
| Record Refreshed | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ADAMS CO |
| Property Address | 3780 E 99TH LN, THORNTON, CO 80229-2843 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | SOLIDIFI US INC |
| Name | Verified Name |
|---|
| Document Number | 0000061877 |
|---|---|
| Date | Aug 02, 2019 |
| Instrument | 2019000061877 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45202 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 357 Months |
| Due | May 15, 2049 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly (Revolving credit lines are monthly unless stated otherwise). |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ADAMS CO |
| Property Address | 3780 E 99TH LN, THORNTON, CO 80229-2843 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | RADIAN SETTLEMENT SERVICES |
| Name | Verified Name |
|---|
| Document Number | 0000121589 |
|---|---|
| Date | Nov 20, 2020 |
| Instrument | 2020000121589 |
| Name | US BANK NA |
|---|---|
| Type | Bank |
| Address | CINCINNATI, OH 45202 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Nov 01, 2040 |
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, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,166.00 (-64.38%) | $27,510 (-17.01%) Land $5,630 Building $21,880 | $440,000 (-10.2%) Land $90,000 Building $350,000 |
| 2023 | $3,273.00 (+9.94%) | $33,150 (+10.98%) Land $5,750 Building $27,400 | $490,000 (+14.02%) Land $85,000 Building $405,000 |
| 2022 | $2,977.00 | $29,870 Land $11,820 Building $18,050 | $429,767 Land $170,000 Building $259,767 |
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