Boulder County property record for 864 Riverside Dr, Lyons, CO 80540 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 1.5 Baths |
| Year Built | Built 1975 |
| Square Footage | 1,541 sqft Living Area |
| Lot Size | 8,284 sqft (0.19 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $45,000 (1992) |
| Tax Bill | $2,108.00 (2025) |
| Primary APN | 1321-03-0-00-012 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 4 Rooms |
| Building Area | 1,541 sqft Living Area |
| 1st Floor | 1,047 sqft 1st Floor |
| Upper Floors | 494 sqft Upper Floors |
| Stories | 2 Stories |
| Interior Structure | Paneling Interior Structure |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1975 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Lot Area | 8,284 sqft (0.19 acres) |
| Deck Area | 368 sqft Deck |
| Porch | Porch |
| Porch Area | 16 sqft Porch |
| Account Number | R0053617 |
|---|---|
| Street Address | 864 RIVERSIDE DR |
| City | LYONS |
| State | CO |
| Zip | 80540-8985 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | .03 AC NE 1/4 NW 1/4 & .17 ACS NE 1/4 NW 1/4 3-2N-72 TOTAL .20 ACS 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 | 1044 |
| Census Tract | 13602 |
Source: Boulder County records · APN 1321-03-0-00-012
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 Name on File |
|---|---|
| Mailing Address | 864 RIVERSIDE DR, LYONS, CO 80540-8985 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Apr 30, 1992 · Amount on Record |
| Deed Sale | Apr 30, 1992 · Amount on Record |
| Prior Sale | Aug 04, 1965 |
| Deed Doc Number | 19921181036 |
| 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 | $30,165 (+8.8%) Land $2,217 Building $27,948 | $443,600 (-) Land $32,600 Building $411,000 | |
| 2025 | $2,108.00 (+10.25%) | $27,726 (-14.02%) Land $2,038 Building $25,688 | $443,600 (-7.83%) Land $32,600 Building $411,000 |
| 2023 | $1,912.00 (+9.13%) | $32,247 (+24.06%) Land $1,883 Building $30,364 | $481,300 (+28.69%) Land $28,100 Building $453,200 |
| 2022 | $1,752.00 | $25,993 Land $1,932 Building $24,061 | $374,000 Land $27,800 Building $346,200 |
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