Boulder County property record for 3133 Riverside Dr, Lyons, CO 80540 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 2 Baths |
| Year Built | Built 1965 |
| Square Footage | 1,528 sqft Living Area |
| Lot Size | 12,891 sqft (0.296 acres) |
| Occupancy | Owner Occupied |
| Last Sale | $120,000 (1991) |
| Tax Bill | $2,343.00 (2025) |
| Primary APN | 1321-09-0-06-004 |
|---|---|
| Alternative APNs |
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| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,528 sqft Living Area |
| Gross Area | 2,280 sqft Gross Area |
| 1st Floor | 1,528 sqft 1st Floor |
| Basement Area | 512 sqft Basement |
| Stories | 1 Stories |
| Interior Structure | Paneling Interior Structure |
| Year Built | Built 1920 |
|---|---|
| Effective Year Built | Effective 1965 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Lot Area | 12,891 sqft (0.296 acres) |
| Deck Area | 264 sqft Deck |
| Porch | Enclosed Porch |
| Porch Area | 240 sqft Porch |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0053655 |
|---|---|
| Street Address | 3133 RIVERSIDE DR |
| City | LYONS |
| State | CO |
| Zip | 80540-8973 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOTS 13-14 BLK 1 HEATHERMEADE 3 2ND PLAT |
| Legal Range | 72 |
| Legal Township | 2N |
| Legal Section | 09 |
| Legal Subdivision | HEATHERMEADE 3 - MT |
| Legal Block | 1 |
| Legal Lot Number | 13 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | UPPER ST. VRAIN |
| Census Blockgroup | 1 |
| Census Block | 1047 |
| Census Tract | 13602 |
Source: Boulder County records · APN 1321-09-0-06-004
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 | 3133 RIVERSIDE DR, LYONS, CO 80540-8973 |
| Occupancy | Owner Occupied |
| Owner Type | Owner is an Individual, Couple or Unincorporated Entity |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 19911084054 |
| 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, not market price estimates; both are a fraction of this property's market value.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $32,772 (+8.8%) Land $2,720 Building $30,052 | $481,936 (-) Land $40,000 Building $441,936 | |
| 2025 | $2,343.00 (+12%) | $30,121 (-12.2%) Land $2,500 Building $27,621 | $481,936 (-5.88%) Land $40,000 Building $441,936 |
| 2023 | $2,092.00 (+8.39%) | $34,307 (+22.85%) Land $2,291 Building $32,016 | $512,046 (+27.43%) Land $34,200 Building $477,846 |
| 2022 | $1,930.00 | $27,927 Land $2,349 Building $25,578 | $401,832 Land $33,800 Building $368,032 |
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