Adams County property record for 3900 E 99th Ln, Thornton, CO 80229
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 1,846 sqft · built 1992 |
| Lot Size | 0.2 acres (8,712 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $190,000 (Oct 2006) |
| Tax Bill | $1,285 (2025) |
| Deeds & Mortgages | Mar 2019 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | R0040335 |
| Primary APN | R0040335 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Plumbing Fixtures | 12 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,846 sqft Living Area |
| 1st Floor Area | 903 sqft |
| 2nd Floor Area | 943 sqft |
| Basement Area | 573 sqft |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1992 |
|---|---|
| Architectural Style | Other |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 8,712 sqft (0.2 acres) |
| Lot Dimensions | 93 ft deep x 92 ft wide |
| Garage Type | Attached |
| Garage Area | 442 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air |
| Account Number | R0040335 |
|---|---|
| Old Parcel Number | 171913406003 |
| Street Address | 3900 E 99TH LN |
| City | THORNTON |
| State | CO |
| Zip | 80229-2847 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUB:NORTH HILLS FILING NUMBER ONE SUBD BLK:18 LOT:3 |
| Legal Range | 68W |
| Legal Township | 02S |
| Legal Section | 13 |
| Legal Quarter | SW |
| Legal Subdivision | NORTH HILLS FILING NUMBER ONE SUBD |
| Legal Block | 18 |
| Legal Lot Number | 3 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 9207 |
Source: Adams County records, as of February 9, 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 Record |
|---|---|
| Mailing Address | 3900 E 99TH LN, THORNTON, CO 80229-2847 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 12, 2006 · Amount on Record |
| Deed Sale | Oct 12, 2006 · Amount on Record |
| Prior Sale | Oct 12, 2006 · Amount on Record |
| Deed Document Number | 0000989440 |
| Last Transfer Date | Mar 1, 2019 |
| Transfer Doc | 0000015168 |
| Record Updated | Jun 8, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ADAMS CO |
| Recording Date | Mar 1, 2019 |
| Property Address | 3900 E 99TH LN, THORNTON, CO 80229-2847 |
| Document Number | 0000015168 |
| Instrument Date | Feb 27, 2019 |
| Instrument | 15168 |
| Transaction Type | Transfer |
| Record Updated | Mar 11, 2019 |
| Title Company | HOMESTEAD TITLE AND ESCROW, HOMESTEAD TITLE & ESCROW |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 3900 E 99TH LN THORNTON CO 802292847, THORNTON, CO 80229-2847 |
| Document Number | 15169 |
|---|---|
| Date | Mar 1, 2019 |
| Instrument | 15169 |
| Name | CALIBER HM LOANS |
|---|---|
| Type | Funding / Finance Company |
| Address | COPPELL, TX 75019 |
| Amount | Amount Recorded |
|---|---|
| Term | 360 Months |
| Due | Feb 28, 2049 |
Source: Adams County assessment roll, as of August 25, 2025
| Type | Name |
|---|---|
| State | Colorado |
| County | Adams County |
| Municipality | Thornton City |
| Unified School District | Mapleton School District 1 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,285.00 (-64.57%) | $30,320 (-17.45%) Land $5,630 Building $24,690 | $485,000 (-10.68%) Land $90,000 Building $395,000 |
| 2023 | $3,627.00 (+10.61%) | $36,730 (+11.64%) Land $5,750 Building $30,980 | $543,000 (+14.72%) Land $85,000 Building $458,000 |
| 2022 | $3,279.00 | $32,900 Land $11,820 Building $21,080 | $473,332 Land $170,000 Building $303,332 |
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.
Source: FEMA National Flood Hazard Layer, effective October 2, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CITY OF THORNTON serves 226,465 people · EPA ID CO0101150 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Jul 2024 |
| Lead | 2 ppb (2025) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 3 last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 791 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| Rise Broadband Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Aerux Broadband, T-Mobile.
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