Boulder County property record for 911 Riverside Dr, Lyons, CO 80540 · Last verified June 2026
| Property Type | Public Works > Federal Property (Exempt) |
|---|---|
| Lot Size | 317 acres |
| Primary APN | 1321-03-0-00-017 |
|---|---|
| Alternative APNs |
|
| Lot Area | 13,843,655 sqft |
|---|
| Account Number | R0089620 |
|---|---|
| Street Address | 911 RIVERSIDE DR |
| City | LYONS |
| State | CO |
| Zip | 80540-8987 |
| Property Usage | Land which may be one of the following: Public spaces (i.e. parks and beaches), public buildings (i.e. schools, hospitals, courthouse), public services (i.e. water treatment, electrical grid/product, dams) Property Usage |
| Type | Public Works > Federal Property (Exempt) |
| Legal Description | N 1/2 NE 1/4 & SW 1/4 NE 1/4 & SE 1/4 & S 1/2 SW 1/4 3-2N-72 TOTAL 319.22 AC M/L |
| Legal Range | 72 |
| Legal Township | 2N |
| Legal Section | 03 |
| Legal Subdivision | TR, NBR 961 ST VRAIN AREA |
| Legal Block | 1 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | UPPER ST. VRAIN |
| Census Blockgroup | 1 |
| Census Block | 1047 |
| Census Tract | 13602 |
Source: Boulder County records · APN 1321-03-0-00-017
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 | Company Name on File |
|---|---|
| Owner Type | Owner is a Company |
| Deed Names | Verified Name on Deed |
|---|---|
| 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 |
| Unified School District | St. Vrain Valley School District RE 1J (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $17,891,172 (-3.7%) Land $17,891,172 | $68,812,200 (-) Land $68,812,200 | |
| 2025 | Additional exemption filed | $18,579,294 (+96.06%) Land $18,579,294 | $68,812,200 (+102.59%) Land $68,812,200 |
| 2023 | Additional exemption filed | $9,476,563 Land $9,476,563 | $33,966,177 Land $33,966,177 |
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