Boulder County property record for 507 Riverside Dr, Lyons, CO 80540 · Last verified June 2026
| Property Type | Vacant Land > Uncategorized |
|---|---|
| Bedrooms | 1 Beds |
| Bathrooms | 1.5 Baths |
| Architecture Style | A-Frame |
| Year Built | Built 1960 |
| Square Footage | 570 sqft Living Area |
| Lot Size | 4,778 sqft (0.11 acres) |
| Last Sale | $85,000 (2025) |
| Tax Bill | $47.00 (2025) |
| Primary APN | 1199-34-3-00-018 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 1 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 3 Rooms |
| Building Area | 570 sqft Living Area |
| 1st Floor | 240 sqft 1st Floor |
| Upper Floors | 330 sqft Upper Floors |
| Year Built | Built 1929 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Exterior |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 4,778 sqft (0.11 acres) |
| Porch | Porch |
| Porch Area | 90 sqft Porch |
| Heating System | Floor/Wall Furnace Heating |
|---|
| Account Number | R0053487 |
|---|---|
| Street Address | 507 RIVERSIDE DR |
| City | LYONS |
| State | CO |
| Zip | 80540-8974 |
| Property Usage | Vacant Land Property Usage |
| Type | Vacant Land > Uncategorized |
| Legal Description | .11 ACS S & E OF OLD HY 7 TR 2 34-3N-72 |
| Legal Range | 72 |
| Legal Township | 3N |
| Legal Section | 34 |
| Legal Subdivision | TR, NBR 961 ST VRAIN AREA |
| Legal Tract | 2 |
| 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 1199-34-3-00-018
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 478 RIVERSIDE DR, LYONS, CO 80540-8963 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Vesting | Joint Tenants |
| Date | Document |
|---|---|
| Jun 12, 2025 | Special Warranty Deed, Transfer |
| May 11, 2017 | Warranty Deed, Transfer |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jun 12, 2025 · Amount on Record |
| Deed Sale | Jun 12, 2025 · Amount on Record |
| Prior Sale | Jul 25, 2003 · Amount on Record |
| Deed Doc Number | 20254091128 |
| Prior Transfer Date | Nov 06, 2006 |
| Prior Transfer Doc | 0002816437 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jun 12, 2025 |
| Property Address | 507 RIVERSIDE DR, LYONS, CO 80540-8974 |
| Document Number | 0004091128 |
| Instrument Date | Jun 12, 2025 |
| Instrument | 4091128 |
| Transaction Type | Transfer |
| Record Updated | Feb 09, 2026 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Zero or No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|---|
| Address | PO BOX 471, BOULDER, CO 80306-0471 |
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenant/Joint Tenant w/ Right Of Survivorship |
| Address | 478 RIVERSIDE DR, LYONS, CO 80540-8963 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | May 11, 2017 |
| Property Address | 507 RIVERSIDE DR, LYONS, CO 80540-8974 |
| Document Number | 0003591825 |
| Instrument Date | May 11, 2017 |
| Instrument | 3591825 |
| Transaction Type | Transfer |
| Record Updated | May 25, 2017 |
| Amount | Amount Recorded |
|---|---|
| Tax | $8.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Address | PO BOX 471 BOULDER CO 803060471, BOULDER, CO 80306-0471 |
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 is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $902 (-3.74%) Land $902 | $3,470 (-) Land $3,470 | |
| 2025 | $47.00 | $937 (-36.69%) Land $937 | $3,470 (-84.29%) Land $3,470 |
| 2023 | Additional exemption filed | $1,480 (+33.09%) Land $1,480 | $22,083 (+38.02%) Land $22,083 |
| 2022 | Additional exemption filed | $1,112 Land $1,112 | $16,000 Land $16,000 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures