Boulder County property record for 1645 Riverside Dr, Lyons, CO 80540 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 1 Baths |
| Architecture Style | Ranch |
| Year Built | Built 1941 |
| Square Footage | 1,185 sqft Living Area |
| Lot Size | 1.56 acres |
| Garage | Attached, 270 sqft |
| Tax Bill | $3,040.00 (2025) |
| Primary APN | 1321-04-0-00-025 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,185 sqft Living Area |
| Gross Area | 1,455 sqft Gross Area |
| 1st Floor | 1,185 sqft 1st Floor |
| Stories | 1 Stories |
| Interior Structure | Paneling Interior Structure |
| Year Built | Built 1941 |
|---|---|
| Effective Year Built | Effective 1941 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Lot Area | 68,250 sqft |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 270 sqft Garage |
| Patio Area | 549 sqft Patio |
| Heating System | Floor/Wall Furnace Heating |
|---|
| Account Number | R0053934 |
|---|---|
| Street Address | 1645 RIVERSIDE DR |
| City | LYONS |
| State | CO |
| Zip | 80540 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | 1.53 AC SE 1/4 SW 1/4 SEC 4 PER DEED 1086644 2/6/91 BCR |
| Legal Range | 72 |
| Legal Township | 2N |
| Legal Section | 04 |
| 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 1321-04-0-00-025
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 | 11262 QUIVAS LOOP, DENVER, CO 80234-2615 |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 19911086644 |
| Last Transfer Date | Nov 29, 2004 |
| Transfer Doc | 0002665519 |
| 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 | $33,701 (+8.8%) Land $5,957 Building $27,744 | $495,600 (-) Land $87,600 Building $408,000 | |
| 2025 | $3,040.00 (+34.45%) | $30,975 (+4.86%) Land $5,475 Building $25,500 | $495,600 (+12.41%) Land $87,600 Building $408,000 |
| 2023 | $2,261.00 (+8.39%) | $29,540 (+30.3%) Land $4,469 Building $25,071 | $440,900 (+35.16%) Land $66,700 Building $374,200 |
| 2022 | $2,086.00 | $22,671 Land $4,413 Building $18,258 | $326,200 Land $63,500 Building $262,700 |
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