Boulder County property record for 343 Main St, Lyons, CO 80540 · Last verified June 2026
| Property Type | Vacant Land > Commercial |
|---|---|
| Bedrooms | 1 Beds |
| Bathrooms | 1 Baths |
| Year Built | Built 1963 |
| Square Footage | 666 sqft Living Area |
| Lot Size | 6,270 sqft (0.144 acres) |
| Garage | Detached, 638 sqft |
| Last Sale | $45,200 (2021) |
| Tax Bill | $18,657.00 (2025) |
| Primary APN | 1203-18-4-12-004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 1 Beds |
|---|---|
| Full Baths | 1 Baths |
| Total Rooms | 3 Rooms |
| Building Area | 666 sqft Living Area |
| Gross Area | 1,172 sqft Gross Area |
| 1st Floor | 666 sqft 1st Floor |
| Basement Area | 506 sqft Basement |
| Stories | 1 Stories |
| Interior Structure | Plaster Interior Structure |
| Year Built | Built 1945 |
|---|---|
| Effective Year Built | Effective 1963 |
| Architectural Style | Ranch Style |
| Exterior Material | Wood Shingle Exterior |
| Construction Type | Frame Construction |
| Lot Area | 6,270 sqft (0.144 acres) |
| Garage Type | Detached Garage |
| Garage Area | 638 sqft Garage |
| Patio Area | 60 sqft Patio |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Account Number | R0050327 |
|---|---|
| Street Address | 343 MAIN ST |
| City | LYONS |
| State | CO |
| Zip | 80540-5042 |
| Property Usage | Commercial Property Usage |
| Type | Vacant Land > Commercial |
| Legal Description | LOT 9 LESS 10 FT ALLEY & LESS W 3 FT DRIVEWAY BLK 26 LYONS |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | LYONS - LY |
| Legal Block | 26 |
| Legal Lot Number | 9 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 3 |
| Census Block | 3011 |
| Census Tract | 13601 |
Source: Boulder County records · APN 1203-18-4-12-004
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 | Company Name on File |
|---|---|
| Mailing Address | 15433 MOSSROCK CT, LONGMONT, CO 80503-9180 |
| Owner Type | Owner is a Company |
| Date | Document |
|---|---|
| Aug 10, 2021 | Personal Representative Deed, Transfer FNTG-NCS COLORADO |
| Aug 10, 2021 | Special Warranty Deed, Transfer FNTG-NCS COLORADO, FNTG NCS COLORADO |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 10, 2021 · Amount on Record |
| Deed Sale | Aug 10, 2021 · Amount on Record |
| Prior Sale | Aug 10, 2021 · Amount on Record |
| Deed Doc Number | 20213905900 |
| Record Refreshed | Sep 20, 2026 |
| Document Type | Personal Representative Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Aug 10, 2021 |
| Property Address | 343 MAIN ST, LYONS, CO 80540-5042 |
| Document Number | 0003905900 |
| Instrument Date | Aug 08, 2021 |
| Instrument | 3905900 |
| Transaction Type | Transfer |
| Record Updated | Feb 27, 2024 |
| Title Company | FNTG-NCS COLORADO |
| Amount | Amount Recorded |
|---|---|
| Tax | $4.52 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 74 COUNTY RD 69, LYONS, CO 80540-8826 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Aug 10, 2021 |
| Property Address | 343 MAIN ST, LYONS, CO 80540-5042 |
| Document Number | 0003905899 |
| Instrument Date | Aug 08, 2021 |
| Instrument | 3905899 |
| Transaction Type | Transfer |
| Record Updated | Feb 27, 2024 |
| Title Company | FNTG-NCS COLORADO, FNTG NCS COLORADO |
| Amount | Amount Recorded |
|---|---|
| Tax | $45.20 |
| Amount Accuracy | Rounded Values by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 74 COUNTY RD 69, LYONS, CO 80540-8826 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Lyons Town |
| 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 | $139,620 (-3.7%) Land $139,620 | $537,000 (-) Land $537,000 | |
| 2025 | $18,657.00 (+25.66%) | $144,990 (+383.59%) Land $144,990 | $537,000 (+2%) Land $537,000 |
| 2024 | $14,847.00 (+381.26%) | ||
| 2023 | $3,085.00 (+14.22%) | $29,982 (+36.82%) Land $3,437 Building $26,545 | $447,500 (+41.93%) Land $51,300 Building $396,200 |
| 2022 | $2,701.00 | $21,913 Land $3,169 Building $18,744 | $315,300 Land $45,600 Building $269,700 |
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