Boulder County property record for 818 Riverside Dr, Lyons, CO 80540 · Last verified June 2026
| Property Type | Residential > Single Family > Home |
|---|---|
| Bedrooms | 3 Beds |
| Bathrooms | 2.75 Baths |
| Architecture Style | A-Frame |
| Year Built | Built 1970 |
| Square Footage | 2,489 sqft Living Area |
| Lot Size | 42,607 sqft (0.978 acres) |
| Garage | Detached, 280 sqft |
| Last Sale | $925,000 (2023) |
| Primary APN | 1321-03-0-00-011 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Partial Baths | 1 Partial Baths |
| Total Rooms | 9 Rooms |
| Building Area | 2,489 sqft Living Area |
| Gross Area | 2,678 sqft Gross Area |
| 1st Floor | 2,282 sqft 1st Floor |
| Upper Floors | 144 sqft Upper Floors |
| Basement Area | 252 sqft Basement |
| Finished Basement | 63 sqft Finished |
| Unfinished Basement | 189 sqft Unfinished |
| Stories | 2 Stories |
| Interior Structure | Paneling Interior Structure |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | A-Frame Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Roof Material | Metal Roof |
| Lot Area | 42,607 sqft (0.978 acres) |
| Garage Type | Detached Garage |
| Garage Area | 280 sqft Garage |
| Total Buildings | 3 Total Buildings |
| Patio Area | 270 sqft Patio |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0053536 |
|---|---|
| Street Address | 818 RIVERSIDE DR |
| City | LYONS |
| State | CO |
| Zip | 80540 |
| Property Usage | Residential Property Usage |
| Type | Residential > Single Family > Home |
| Legal Description | TR IN NE 1/4 NW 1/4 LESS TRS SOLD 03-2N-72 1.11 ACS M/L 3 IMPS |
| Legal Range | 72 |
| Legal Township | 2N |
| Legal Section | 03 |
| Legal Subdivision | TR, NBR 961 ST VRAIN AREA |
| Legal Tract | IN |
| Legal Block | 1 |
| Legal Lot Number | 3 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | UPPER ST. VRAIN |
| Census Blockgroup | 1 |
| Census Block | 1046 |
| Census Tract | 13602 |
Source: Boulder County records · APN 1321-03-0-00-011
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 | PO BOX 356, LYONS, CO 80540-0356 |
| Owner Type | Owner is a Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jan 30, 2023 · Amount on Record |
| Deed Sale | Jan 30, 2023 · Amount on Record |
| Prior Sale | Aug 24, 1967 |
| Deed Doc Number | 20233995781 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Jan 30, 2023 |
| Property Address | 818 RIVERSIDE DR, LYONS, CO 80540 |
| Document Number | 0003995781 |
| Instrument Date | Jan 23, 2023 |
| Instrument | 3995781 |
| Transaction Type | Transfer |
| Record Updated | Feb 06, 2023 |
| Title Company | HERITAGE TITLE CO |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $92.50 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 818 RIVERSIDE DR, LYONS, CO 80540 |
| Document Number | 0003995782 |
|---|---|
| Date | Jan 30, 2023 |
| Instrument | 3995782 |
| Name | WEINBERG SERVICING LLC |
|---|---|
| Type | Non-Lending Institution |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 37 Months |
| Due | Feb 01, 2026 |
| Document Number | 0003995783 |
|---|---|
| Date | Jan 30, 2023 |
| Instrument | 3995783 |
| Name | PAUL PRYMAK |
|---|---|
| Type | Private Party |
| Address | 1895 GOLDEN EAGLE CT, BROOMFIELD, CO 80020 |
| Type | Commercial Mortgage |
|---|---|
| Amount | Amount Recorded |
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 | $38,123 (+1.81%) Land $5,386 Building $32,737 | $560,627 (-6.42%) Land $79,200 Building $481,427 | |
| 2025 | $3,675.00 (+31.16%) | $37,444 (+4.83%) Land $4,950 Building $32,494 | $599,100 (+12.38%) Land $79,200 Building $519,900 |
| 2023 | $2,802.00 (+5.38%) | $35,718 (+23.62%) Land $4,610 Building $31,108 | $533,096 (+28.23%) Land $68,800 Building $464,296 |
| 2022 | $2,659.00 | $28,893 Land $4,740 Building $24,153 | $415,730 Land $68,200 Building $347,530 |
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