Adams County property record for 3540 E 99th Ln, Thornton, CO 80229
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 2,106 sqft · built 1986 |
| Lot Size | 0.185 acres (8,064 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $115,900 (Sep 2008) |
| Tax Bill | $1,179 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1719-13-4-01-019 |
| Primary APN | 1719-13-4-01-019 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 8 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 2,106 sqft Living Area |
| Gross Area | 2,505 sqft |
| 1st Floor Area | 858 sqft |
| 2nd Floor Area | 648 sqft |
| Basement Area | 600 sqft |
| Finished Basement | 600 sqft |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1986 |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 8,064 sqft (0.185 acres) |
| Lot Dimensions | 112 ft deep x 72 ft wide |
| Garage Type | Attached |
| Garage Area | 399 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Open Slab |
| Porch Area | 76 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0040228 |
|---|---|
| Street Address | 3540 E 99TH LN |
| City | THORNTON |
| State | CO |
| Zip | 80229-2813 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUB:NORTH HILLS FILING NUMBER ONE SUBD BLK:2 LOT:7 |
| Legal Range | 68W |
| Legal Township | 02S |
| Legal Section | 13 |
| Legal Quarter | 4 |
| Legal Subdivision | NORTH HILLS FILING NUMBER ONE SUBD |
| Legal Block | 2 |
| Legal Lot Number | 7 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 1 |
| Census Block | 1011 |
| Census Tract | 9207 |
Source: Adams County records, as of May 22, 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 | 2409 E 148TH DR, THORNTON, CO 80602-7335 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Sep 4, 2008 · Amount on Record |
| Deed Sale | Sep 4, 2008 · Amount on Record |
| Prior Sale | May 6, 2008 |
| Deed Document Number | 200870884 |
| Prior Transfer Date | Apr 11, 2005 |
| Prior Transfer Doc | 0000417660 |
| Record Updated | Oct 29, 2026 |
Source: Adams County assessment roll, as of January 21, 2026
| 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 | $1,179.00 (-57.62%) | $30,260 (-9.07%) Land $6,120 Building $24,140 | $445,000 (-9.55%) Land $90,000 Building $355,000 |
| 2024 | $2,782.00 (-15.34%) | ||
| 2023 | $3,286.00 (+6.86%) | $33,280 (+7.88%) Land $5,750 Building $27,530 | $492,000 (+10.86%) Land $85,000 Building $407,000 |
| 2022 | $3,075.00 | $30,850 Land $11,820 Building $19,030 | $443,806 Land $170,000 Building $273,806 |
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 | Low lower than 99.1% of the US · lower than 99.6% of Colorado |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 631 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 | 140 / 20 |
| Rise Broadband Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Aerux Broadband.
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