Adams County property record for 3907 E 133rd Ct, Thornton, CO 80241
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 1,889 sqft · built 1979 |
| Lot Size | 0.242 acres (10,556 sqft) |
| Owner | Individual Name on File |
| Last Sale | $475,000 (Aug 2025) |
| Tax Bill | $1,336 (2025) |
| Deeds & Mortgages | Nov 2020 Mortgage Mar 2018 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 1573-25-1-11-009 |
| Primary APN | 1573-25-1-11-009 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Plumbing Fixtures | 12 Plumbing Fixtures |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 1,889 sqft Living Area |
| Gross Area | 3,093 sqft |
| 1st Floor Area | 1,234 sqft |
| 2nd Floor Area | 655 sqft |
| Basement Area | 684 sqft |
| Interior Walls | Wallboard/Drywall |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Split Level |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Wood Shingle |
| Lot Area | 10,556 sqft (0.242 acres) |
| Lot Dimensions | 116 ft deep x 91 ft wide |
| View / Lot | Open Space |
| Garage Type | Attached |
| Garage Area | 520 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 273 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0015640 |
|---|---|
| Street Address | 3907 E 133RD CT |
| City | THORNTON |
| State | CO |
| Zip | 80241-1443 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUB:SUMMIT GROVE BLK:8 LOT:23 |
| Legal Range | 68W |
| Legal Township | 01S |
| Legal Section | 25 |
| Legal Quarter | 1 |
| Legal Subdivision | SUMMIT GROVE |
| Legal Block | 8 |
| Legal Lot Number | 23 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 5 |
| Census Block | 5002 |
| Census Tract | 8545 |
Source: Adams County records · APN 1573-25-1-11-009
Assessment roll updated January 21, 2026 · Last verified June 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 |
|---|---|
| Mailing Address | 3907 E 133RD CT, THORNTON, CO 80241-1443 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Nov 13, 2020 | Deed of Trust, Mortgage · Conventional Mortgage BELLCO CU |
| Mar 03, 2018 | Deed of Trust, Mortgage · Line of Credit BELLCO CU |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 25, 2025 · Amount on Record |
| Deed Sale | Aug 25, 2025 · Amount on Record |
| Prior Sale | Aug 03, 2000 · Amount on Record |
| Deed Document Number | 202549005 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ADAMS CO |
| Property Address | 3907 E 133RD CT, THORNTON, CO 80241-1443 |
| Transaction Type | Mortgage |
| Record Updated | Feb 05, 2021 |
| Title Company | LAND TITLE GUARANTEE |
| Name | Verified Name |
|---|
| Document Number | 0000118154 |
|---|---|
| Date | Nov 13, 2020 |
| Instrument | 2020000118154 |
| Name | BELLCO CU |
|---|---|
| Type | Credit Union |
| Address | GLEN BURNIE, MD 21060 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 181 Months |
| Due | Dec 01, 2035 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | ADAMS CO |
| Property Address | 3907 E 133RD CT, THORNTON, CO 80241-1443 |
| Document Number | 0000019529 |
| Instrument Date | Mar 03, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Mar 20, 2018 |
| Name | Verified Name |
|---|---|
| Address | 3907 E 133RD CT THORNTON CO 802411443, THORNTON, CO 80241-1443 |
| Document Number | 0000019529 |
|---|---|
| Date | Mar 08, 2018 |
| Instrument | 19529 |
| Name | BELLCO CU |
|---|---|
| Type | Credit Union |
| Address | GREENWOOD, CO 80111 |
| Type | Line of Credit |
|---|---|
| Amount | Amount Recorded |
| Term | 240 Months |
| Due | Mar 07, 2038 |
| Rate Type | Adjustable Rate |
|---|
Source: Adams County records · Assessment roll updated January 21, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Adams County |
| Municipality | Thornton City |
| Unified School District | Adams 12 Five Star Schools (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 | $1,336.00 (-60.41%) | $34,270 (-5.67%) Land $7,480 Building $26,790 | $504,000 (-6.15%) Land $110,000 Building $394,000 |
| 2024 | $3,375.00 (-14.84%) | ||
| 2023 | $3,963.00 (+9.17%) | $36,330 (+10.22%) Land $6,900 Building $29,430 | $537,000 (+13.24%) Land $102,000 Building $435,000 |
| 2022 | $3,630.00 | $32,960 Land $14,180 Building $18,780 | $474,228 Land $204,000 Building $270,228 |
Source: FEMA National Flood Hazard Layer as of October 2, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| JAB Wireless Fixed Wireless | 500 / 100 |
| Verizon Fixed Wireless | 300 / 20 |
| Lumen Technologies DSL | 140 / 20 |
May also be available: AT&T.
Based on FCC filings for 771 locations within half a mile of this property.
5G (outdoors only) and 4G LTE
Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | CITY OF THORNTON serves 226,465 people |
|---|---|
| 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.
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