Boulder County property record for 1051 4th Ave, Lyons, CO 80540 · Last verified July 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 4 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1995 |
| Square Footage | 1,880 sqft Living Area |
| Lot Size | 10,368 sqft (0.238 acres) |
| Garage | Attached, 360 sqft |
| Last Sale | $320,000 (2012) |
| Tax Bill | $5,296.00 (2025) |
| Primary APN | 1203-18-1-04-010 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 9 Rooms |
| Building Area | 1,880 sqft Living Area |
| Gross Area | 2,240 sqft Gross Area |
| 1st Floor | 1,120 sqft 1st Floor |
| Basement Area | 760 sqft Basement |
| Finished Basement | 760 sqft Finished |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1993 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Modular Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 10,368 sqft (0.238 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 360 sqft Garage |
| Deck Area | 150 sqft Deck |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0084382 |
|---|---|
| Street Address | 1051 4TH AVE |
| City | LYONS |
| State | CO |
| Zip | 80540 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 10 BLK 7 NORTONVILLE |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | NORTONVILLE - LY |
| Legal Block | 7 |
| Legal Lot Number | 10 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 2 |
| Census Block | 2031 |
| Census Tract | 13601 |
Source: Boulder County records · APN 1203-18-1-04-010
Assessment roll updated June 15, 2026 · Last verified July 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Owner on File |
|---|---|
| Mailing Address | PO BOX 11, LYONS, CO 80540-0011 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 20123265779 |
| Prior Transfer Date | Jan 15, 2004 |
| Prior Transfer Doc | 0002549873 |
| Record Refreshed | Sep 20, 2026 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Lyons Town |
| Unified School District | St. Vrain Valley School District RE 1J (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 |
|---|---|---|---|
| 2026 | $42,350 (+8.8%) Land $5,372 Building $36,978 | $622,800 (-) Land $79,000 Building $543,800 | |
| 2025 | $5,296.00 (+6.84%) | $38,926 (-15.27%) Land $4,938 Building $33,988 | $622,800 (-9.17%) Land $79,000 Building $543,800 |
| 2023 | $4,957.00 (+24.74%) | $45,942 (+42.53%) Land $4,583 Building $41,359 | $685,700 (+47.84%) Land $68,400 Building $617,300 |
| 2022 | $3,974.00 | $32,234 Land $4,198 Building $28,036 | $463,800 Land $60,400 Building $403,400 |
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