Adams County property record for 3660 E 99th Way, Thornton, CO 80229
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 1,537 sqft · built 1986 |
| Lot Size | 0.176 acres (7,644 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $127,000 (Oct 2008) |
| Tax Bill | $834 (2025) |
| Deeds & Mortgages | Dec 2020 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1719-13-4-13-001 |
| Primary APN | 1719-13-4-13-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 6 Plumbing Fixtures |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,537 sqft Living Area |
| Gross Area | 2,284 sqft |
| 1st Floor Area | 902 sqft |
| Basement Area | 850 sqft |
| Finished Basement | 635 sqft |
| Unfinished Basement | 215 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1986 |
|---|---|
| Effective Year Built | Effective 1986 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 7,644 sqft (0.176 acres) |
| Lot Dimensions | 98 ft deep x 78 ft wide |
| Garage Type | Attached |
| Garage Area | 532 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Slab |
| Porch Area | 192 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0040491 |
|---|---|
| Street Address | 3660 E 99TH WAY |
| City | THORNTON |
| State | CO |
| Zip | 80229-2850 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUB:NORTH HILLS FILING NUMBER ONE SUBD BLK:10 LOT:9 |
| Legal Range | 68W |
| Legal Township | 02S |
| Legal Section | 13 |
| Legal Quarter | 4 |
| Legal Subdivision | NORTH HILLS FILING NUMBER ONE SUBD |
| Legal Block | 10 |
| Legal Lot Number | 9 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 9207 |
Source: Adams County records, as of January 21, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 3660 E 99TH WAY, THORNTON, CO 80229-2850 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Oct 22, 2008 · Amount on Record |
| Deed Sale | Oct 22, 2008 · Amount on Record |
| Prior Sale | Aug 29, 2008 |
| Deed Document Number | 200883593 |
| Last Transfer Date | Mar 26, 2016 |
| Transfer Doc | 0000025637 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ADAMS CO |
| Property Address | 3660 E 99TH WAY, THORNTON, CO 80229-2850 |
| Transaction Type | Mortgage |
| Record Updated | Jul 26, 2022 |
| Title Company | HOMESTEAD TITLE & ESCROW |
| Name | Verified Name |
|---|
| Document Number | 0000132083 |
|---|---|
| Date | Dec 16, 2020 |
| Instrument | 2020000132083 |
| Name | PENNYMAC LOAN SERVICES LLC |
|---|---|
| Type | Mortgage Company |
| Address | WESTLAKE VILLAGE, CA 91361 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 1, 2051 |
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 | $834.00 (-55.73%) | $28,220 (-7.51%) Land $6,120 Building $22,100 | $415,000 (-7.98%) Land $90,000 Building $325,000 |
| 2024 | $1,884.00 (-37.45%) | ||
| 2023 | $3,012.00 (+5.68%) | $30,510 (+6.68%) Land $5,750 Building $24,760 | $451,000 (+9.63%) Land $85,000 Building $366,000 |
| 2022 | $2,850.00 | $28,600 Land $11,820 Building $16,780 | $411,371 Land $170,000 Building $241,371 |
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 98% of the US · lower than 99.2% of Colorado |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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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