Boulder County property record for 319 Riverside Dr, Lyons, CO 80540 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 2 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1958 |
| Square Footage | 884 sqft Living Area |
| Lot Size | 11,539 sqft (0.265 acres) |
| Garage | Attached, 240 sqft |
| Last Sale | $42,000 (1977) |
| Tax Bill | $2,303.00 (2025) |
| Primary APN | 1199-34-4-13-003 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 4 Rooms |
| Building Area | 884 sqft Living Area |
| Gross Area | 1,124 sqft Gross Area |
| 1st Floor | 884 sqft 1st Floor |
| Stories | 1 Stories |
| Interior Structure | Paneling Interior Structure |
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Lot Area | 11,539 sqft (0.265 acres) |
| Parking Spaces | 1 Parking Spaces |
| Garage Type | Attached Garage |
| Garage Area | 240 sqft Garage |
| Deck Area | 280 sqft Deck |
| Porch | Porch |
| Porch Area | 20 sqft Porch |
| Account Number | R0053584 |
|---|---|
| Street Address | 319 RIVERSIDE DR |
| City | LYONS |
| State | CO |
| Zip | 80540-8990 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | LOT 6 LESS ELY 8 FT BLK 1 RIVERSIDE O C HERDNER |
| Legal Range | 72 |
| Legal Township | 3N |
| Legal Section | 34 |
| Legal Subdivision | RIVERSIDE O C HERDNER - MT |
| Legal Block | 1 |
| Legal Lot Number | 6 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | UPPER ST. VRAIN |
| Census Blockgroup | 1 |
| Census Block | 1045 |
| Census Tract | 13602 |
Source: Boulder County records · APN 1199-34-4-13-003
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 |
|---|---|
| Mailing Address | 8185 E 128TH PL, THORNTON, CO 80602-8553 |
| Owner Type | Owner is a Company |
| Vesting | Trustor/Debtor (Borrower in Default/Foreclosure On Trustee's Deed) |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 1977242839 |
| Last Transfer Date | Jun 24, 2005 |
| Transfer Doc | 0002704634 |
| 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 | $25,527 (+8.8%) Land $2,550 Building $22,977 | $375,400 (-) Land $37,500 Building $337,900 | |
| 2025 | $2,303.00 (+13.23%) | $23,463 (-12.91%) Land $2,344 Building $21,119 | $375,400 (-6.64%) Land $37,500 Building $337,900 |
| 2023 | $2,034.00 (+2.83%) | $26,941 (+25.33%) Land $2,171 Building $24,770 | $402,100 (+3%) Land $32,400 Building $369,700 |
| 2022 | $1,978.00 | $21,496 Land $2,224 Building $19,272 | $309,300 Land $32,000 Building $277,300 |
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