Adams County property record for 3800 E 99th Ln, Thornton, CO 80229 · Last verified February 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 4 Baths |
| Year Built | Built 2015 |
| Square Footage | 2,171 sqft Living Area |
| Lot Size | 7,841 sqft (0.18 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $329,000 (2017) |
| Tax Bill | $1,479.00 (2025) |
| Primary APN | R0040381 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 4 Baths |
| Plumbing Fixtures | 17 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Building Area | 2,171 sqft Living Area |
| 1st Floor | 966 sqft 1st Floor |
| 2nd Floor | 851 sqft 2nd Floor |
| Basement Area | 620 sqft Basement |
| Stories | 2 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Fireplace | Fireplace |
| Fireplaces | 1 Fireplaces |
| Year Built | Built 1992 |
|---|---|
| Effective Year Built | Effective 2015 |
| 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 | 7,841 sqft (0.18 acres) |
| Depth X Width | 98 ft x 78 ft Depth x Width |
| Parking Spaces | 2 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 420 sqft Garage |
| Deck Area | 266 sqft Deck |
| Patio Area | 266 sqft Patio |
| Porch | Porch |
| Cooling System | Central Cooling |
|---|---|
| Heating System | Forced Air Heating |
| Account Number | R0040381 |
|---|---|
| Old Parcel Number | 171913408016 |
| Street Address | 3800 E 99TH LN |
| City | THORNTON |
| State | CO |
| Zip | 80229-2845 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | SUB:NORTH HILLS FILING NUMBER ONE SUBD BLK:4 LOT:6 |
| 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 | 6 |
| Jurisdiction | ADAMS CO |
| Minor Civil Division | WEST ADAMS |
| Census Blockgroup | 1 |
| Census Block | 1003 |
| Census Tract | 9207 |
Source: Adams County records · APN R0040381
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 Name on File |
|---|---|
| Co-owner | Verified Secondary Owner |
| Mailing Address | 3800 E 99TH LN, THORNTON, CO 80229-2845 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Date | Document |
|---|---|
| Jun 26, 2020 | Intrafamily Transfer, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE |
| Jul 25, 2019 | Quit Claim Deed, Transfer · Conventional Mortgage QUICKEN LNS |
| Feb 22, 2017 | Warranty Deed, Transfer · Federal Housing Administration (FHA) Mortgage FAIRWAY INDEPENDENT MORTGAGE CORP |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Feb 22, 2017 · Amount on Record |
| Deed Sale | Feb 22, 2017 · Amount on Record |
| Prior Sale | Jul 25, 2019 |
| Deed Doc Number | 0000016103 |
| Last Transfer Date | Jun 26, 2020 |
| Transfer Doc | 0000058405 |
| Record Refreshed | Jun 08, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | ADAMS CO |
| Recording Date | Jun 26, 2020 |
| Property Address | 3800 E 99TH LN, THORNTON, CO 80229-2845 |
| Document Number | 0000058405 |
| Instrument Date | Jun 16, 2020 |
| Instrument | 2020000058405 |
| Transaction Type | Transfer |
| Record Updated | Jan 27, 2022 |
| Title Company | TIAGO NATIONAL TITLE LLC |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Zero or No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 3800 E 99TH LN, THORNTON, CO 80229-2845 |
| Document Number | 0000058406 |
|---|---|
| Date | Jun 26, 2020 |
| Instrument | 2020000058406 |
| Name | UNITED WHOLESALE MORTGAGE |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jul 01, 2050 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ADAMS CO |
| Recording Date | Jul 25, 2019 |
| Property Address | 3800 E 99TH LN, THORNTON, CO 80229-2845 |
| Document Number | 0000059036 |
| Instrument Date | Jul 16, 2019 |
| Instrument | 59036 |
| Transaction Type | Transfer |
| Record Updated | Aug 01, 2019 |
| Title Company | COMMERCE TITLE COMPANY, COMMERCE TITLE CO. |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Separate Estate/Property |
| Address | 3800 E 99TH LN THORNTON CO 802292845, THORNTON, CO 80229-2845 |
| Document Number | 59037 |
|---|---|
| Date | Jul 25, 2019 |
| Instrument | 59037 |
| Name | QUICKEN LNS |
|---|---|
| Type | Funding / Finance Company |
| Address | DETROIT, MI 48226-1906 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Jul 24, 2049 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | ADAMS CO |
| Recording Date | Feb 22, 2017 |
| Property Address | 3800 E 99TH LN, THORNTON, CO 80229-2845 |
| Document Number | 0000016103 |
| Instrument Date | Feb 17, 2017 |
| Instrument | 2017000016103 |
| Transaction Type | Transfer |
| Record Updated | Jan 27, 2022 |
| Title Company | FIDELITY NATIONAL TITLE |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $32.90 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Name | Verified Name |
|---|---|
| Address | 00000 |
| Document Number | 0000016104 |
|---|---|
| Date | Feb 22, 2017 |
| Instrument | 2017000016104 |
| Name | FAIRWAY INDEPENDENT MORTGAGE CORP |
|---|---|
| Type | Mortgage Company |
| Type | Federal Housing Administration (FHA) Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Mar 01, 2047 |
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 | $1,479.00 (-64.34%) | $34,880 (-16.97%) Land $5,630 Building $29,250 | $558,000 (-10.14%) Land $90,000 Building $468,000 |
| 2023 | $4,148.00 (+17.87%) | $42,010 (+18.97%) Land $5,750 Building $36,260 | $621,000 (+22.26%) Land $85,000 Building $536,000 |
| 2022 | $3,519.00 | $35,310 Land $11,820 Building $23,490 | $507,939 Land $170,000 Building $337,939 |
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