Boulder County property record for 451 4th Ave, Lyons, CO 80540 · Last verified June 2026
| Property Type | Other > Exempt (Full or Partial) |
|---|---|
| Bathrooms | 4.5 Baths |
| Year Built | Built 2018 |
| Lot Size | 19,276 sqft (0.443 acres) |
| Primary APN | 1203-18-4-48-002 |
|---|---|
| Alternative APN |
|
| Full Baths | 4.5 Baths |
|---|---|
| Partial Baths | 3 Partial Baths |
| Stories | 1 Stories |
| Year Built | Built 2018 |
|---|---|
| Effective Year Built | Effective 2018 |
| Construction Type | Frame Construction |
| Roof Material | Asphalt Roof |
| Lot Area | 19,276 sqft (0.443 acres) |
| Cooling System | HVAC Cooling |
|---|---|
| Heating System | Forced Air with Air Conditioning Heating |
| Account Number | R0609648 |
|---|---|
| Street Address | 451 4TH AVE |
| City | LYONS |
| State | CO |
| Zip | 80540-5058 |
| Property Usage | Other Property Usage |
| Type | Other > Exempt (Full or Partial) |
| Legal Description | LOT 2 LYONS MUNICIPAL CENTER |
| Legal Range | 70 |
| Legal Township | 3N |
| Legal Section | 18 |
| Legal Subdivision | LYONS MUNICIPAL CENTER |
| Legal Block | 3 |
| Legal Lot Number | 2 |
| Jurisdiction | BOULDER CO |
| Minor Civil Division | LONGMONT |
| Census Blockgroup | 3 |
| Census Block | 3013 |
| Census Tract | 13601 |
Source: Boulder County records · APN 1203-18-4-48-002
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 | Individual Owner on File |
|---|---|
| Mailing Address | PO BOX 49, LYONS, CO 80540-0049 |
| Owner Type | Owner is a Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Record Refreshed | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 451 4TH AVE, LYONS, CO 80540 |
| Document Number | 0003850172 |
| Instrument Date | Dec 23, 2020 |
| Transaction Type | Mortgage |
| Record Updated | Feb 10, 2021 |
| Title Company | NOT AVAILABLE |
| Name | Verified Name |
|---|---|
| Relationship | Company |
| Document Number | 0003850172 |
|---|---|
| Date | Jan 13, 2021 |
| Instrument | 3850172 |
| Name | MISCELLANEOUS GOVT AGCY |
|---|---|
| Address | 1325 PEARL ST, BOULDER, CO 80302-5247 |
| Amount | Amount Recorded |
|---|
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 and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $307,580 (-3.7%) Land $52,000 Building $255,580 | $1,183,000 (-) Land $200,000 Building $983,000 | |
| 2025 | Additional exemption filed | $319,410 (-3.23%) Land $54,000 Building $265,410 | $1,183,000 (-) Land $200,000 Building $983,000 |
| 2023 | Additional exemption filed | $330,057 Land $55,800 Building $274,257 | $1,183,000 Land $200,000 Building $983,000 |
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