Boulder County property record for 517 5th Ave, Lyons, CO 80540 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 1 Baths |
| Architecture Style | Ranch |
| Year Built | Built 1950 |
| Square Footage | 704 sqft Living Area |
| Lot Size | 7,921 sqft (0.182 acres) |
| Last Sale | $45,000 (1987) |
| Tax Bill | $2,988.00 (2025) |
| Primary APN | 1203-18-4-14-006 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 4 Rooms |
| Building Area | 704 sqft Living Area |
| Gross Area | 791 sqft Gross Area |
| 1st Floor | 704 sqft 1st Floor |
| Stories | 1 Stories |
| Interior Structure | Wallboard/Drywall Interior Structure |
| Year Built | Built 1903 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 7,921 sqft (0.182 acres) |
| Total Buildings | 2 Total Buildings |
|---|---|
| Shed | 1 Shed |
| Porch | Enclosed Porch |
| Porch Area | 87 sqft Porch |
| Heating System | Gravity Heating |
|---|
| Account Number | R0050164 |
|---|---|
| Street Address | 517 5TH AVE |
| City | LYONS |
| State | CO |
| Zip | 80540-5033 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 5 BLK 40 LYONS |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | LYONS - LY |
| Legal Block | 40 |
| Legal Lot Number | 5 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 2 |
| Census Block | 2037 |
| Census Tract | 13601 |
Source: Boulder County records · APN 1203-18-4-14-006
Assessment roll updated June 15, 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 Owner on File |
|---|---|
| Mailing Address | PO BOX 885, LYONS, CO 80540-0885 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 1987891906 |
| Last Transfer Date | Sep 19, 1997 |
| Transfer Doc | 0001735897 |
| Record Refreshed | Sep 20, 2026 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 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 | $23,898 (+8.8%) Land $4,189 Building $19,709 | $351,437 (-) Land $61,600 Building $289,837 | |
| 2025 | $2,988.00 (-0.76%) | $21,965 (-25.17%) Land $3,850 Building $18,115 | $351,437 (-19.78%) Land $61,600 Building $289,837 |
| 2023 | $3,011.00 (+9.85%) | $29,353 (+31.98%) Land $3,672 Building $25,681 | $438,100 (+36.91%) Land $54,800 Building $383,300 |
| 2022 | $2,741.00 | $22,240 Land $3,378 Building $18,862 | $320,000 Land $48,600 Building $271,400 |
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