Adams County property record for 12430 First St, Thornton, CO 80241
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,228 sqft · built 1949 |
| Lot Size | 0.359 acres (15,625 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $832 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1573-35-1-05-028 |
| Primary APN | 1573-35-1-05-028 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Plumbing Fixtures | 6 Plumbing Fixtures |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,228 sqft Living Area |
| Gross Area | 2,188 sqft |
| 1st Floor Area | 1,228 sqft |
| Basement Area | 960 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1949 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Type | Gable |
| Roof Material | Composition Shingle |
| Lot Area | 15,625 sqft (0.359 acres) |
| Lot Dimensions | 125 ft deep x 125 ft wide |
| View / Lot | Excess Land |
| Garage Type | Detached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0025251 |
|---|---|
| Street Address | 12430 FIRST ST |
| City | THORNTON |
| State | CO |
| Zip | 80241-3823 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SUB:EASTLAKE BLK:3 DESC: LOTS 25 TO 29 INC |
| Legal Range | 68W |
| Legal Township | 01S |
| Legal Section | 35 |
| Legal Quarter | 1 |
| Legal Subdivision | EASTLAKE |
| Legal Block | 3 |
| Legal Lot Number | 25-29 |
| Jurisdiction | ADAMS CO |
| Township / Civil Division | WEST ADAMS |
| Census Block Group | 3 |
| Census Block | 3022 |
| Census Tract | 8555 |
Source: Adams County records, as of January 21, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | PO BOX 132, EASTLAKE, CO 80614-0132 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Transfer Date | May 2, 1994 |
| Transfer Doc | 0001243353 |
| 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 | Adams 12 Five Star Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $832.00 (-61.66%) | $28,150 (-10.52%) Land $9,080 Building $19,070 | $414,000 (-10.97%) Land $133,500 Building $280,500 |
| 2024 | $2,170.00 (-36.75%) | ||
| 2023 | $3,431.00 (-8.02%) | $31,460 (-7.09%) Land $9,030 Building $22,430 | $465,000 (-4.55%) Land $133,500 Building $331,500 |
| 2022 | $3,730.00 | $33,860 Land $17,100 Building $16,760 | $487,146 Land $246,000 Building $241,146 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective October 2, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 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 |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 97% of the US · lower than 98.8% 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 410 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Rise Broadband Fixed Wireless | 300 / 60 |
| Verizon Fixed Wireless | 300 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: CenturyLink.
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